bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Mixed Ligand Complexes of Ruthenium(III)edta with Pyrimidines.
Authors: KHAN B. T. , ANNAPOORNA K.
Published: May 2016

Mixed ligand complexes of Ru(III)edta of the type (III), (IV), and (V) are synthesized by reaction of the Ru(III)edta complex (I) with cytosine (II), uracil, or 5‐aminouracil as shown for the example (III).
ChemInform Abstract: Synthesis, Spectroscopic, and Electrochemical Properties of Bis(2,2′‐bipyridyl)(3,3′‐dimethyl‐5,5′‐bis‐1,2,4‐triazole)ruthenium(II) Hexafluorophosphate.
Authors: FENNEMA B. D. J. R. , HAGE R. , HAASNOOT J. G. , REEDIJK J. , VOS J. G.
Published: May 2016

The new title complex (I) is obtained by reaction of dichlorobis(bipyridine)ruthenium with the triazole ligand in ethanol under reflux (40% yield).
ChemInform Abstract: Synthesis and Crystal Structures of the Dimetal Compounds (CoRh(CO)2(PPh3)(η4‐C4Me4)(η5‐C2B9H11)), (Rh2(CO)2(PPh3)2(η5‐C2B9H11)), and (RhIrH(.mu±sigma.:η5‐C2B9H10)(CO)3(PPh3)2).
Authors: FERNANDEZ J. R. , HELM G. F. , HOWARD J. A. K. , PILOTTI M. U. , STONE F. G. A.
Published: May 2016

The complex (V) is also obtained in an unusual reaction involving addition of BH3·THF to (III).
ChemInform Abstract: Metallacyclic Complexes. Part 4. Synthesis of Platinathietane‐3‐oxide Complexes, and the Single‐Crystal X‐Ray Structure of Cyclic (Pt(CH(COPh)S(O)CH(COPh))(PPh3)2)·2 CH2Cl2.
Authors: HENDERSON W. , KEMMITT R. D. W. , PROUSE L. J. S. , RUSSELL D. R.
Published: May 2016

The structure of the platinathietane‐3‐oxide complexes (IV), prepared as shown, is confirmed by the X‐ray analysis of the title complex (IVa) (space group P1, Z=2).
ChemInform Abstract: 1,4‐Bis(arylamino)‐5‐nitro‐(and 5‐amino‐)‐8‐hydroxyanthraquinones: Bluish‐Green Dyes for Synthetic Polymer Fibres.
Authors: PETERS A. T. , CHAO Y. C.
Published: May 2016

The 4‐anilino‐1,8‐dihydroxyanthraquinones (I) and (VII) are coupled with the anilines (II) in the presence of boric acid to give the title compounds (III) and (VIII).
ChemInform Abstract: Azo Disperse Dyes Derived from 3‐Amino‐7‐nitro‐2H‐1,2‐benzothiazine 1,1‐Dioxide.
Authors: RAJAGOPAL R. , SESHADRI S.
Published: May 2016

The sulfonamide (I) undergoes cyclocondensation with urea (II) to produce the benzothiazine (III) mentioned in the title.
ChemInform Abstract: Tritylation, Methoxymethylation, and Silylation of Allylic Hydroperoxides via Stannyl Peroxide Intermediates. Allylic Rearrangement of a Stannyl Peroxide.
Authors: HAYNES R. K. , VONWILLER S. C.
Published: May 2016

Stannylation of the hydroperoxide (I) with tributyltin methoxide (II) in diethyl ether gives the stannyl peroxide (III) which reacts with the chlorides (IVa) ‐ (IVc) or the silyl triflate (IVd) to produce the peroxides (V).
ChemInform Abstract: Novel Preparation of Vinylphosphonates, Vinylphosphinates, and Vinylphosphine Oxides via β‐Elimination of Nitrous Acid.
Authors: YAMASHITA M. , TAMADA Y. , IIDA A. , OSHIKAWA T.
Published: May 2016

Vinylphosphonates such as (IIa), (IIc) and vinylphosphine oxides such as (IIb) are prepared from the nitroethane derivatives (I) by base‐induced β‐elimination of nitrous acid.
ChemInform Abstract: Metabolic Products of Microorganisms. Part 256. Pyrrolams, New Pyrrolizidinones Produced by Streptomyces olivaceus.
Authors: GROTE R. , ZEECK A. , STUEMPFEL J. + , ZAEHNER H. +
Published: May 2016

The pyrrolams A to D (I)‐(III), biosynthetically produced by Streptomyces olivaceus, are discovered by chemical screening.
ChemInform Abstract: Synthetic Approaches Toward Mitomycins: Synthesis of the Decarbamoyloxymitomycin Derivative.
Authors: NAKAJIMA S. , YOSHIDA K. , MORI M. , BAN Y. , SHIBASAKI M.
Published: May 2016

The allylic carbamate (II), prepared from the benzazocinone derivative (I), undergoes intramolecular ring closure upon treatment with iodine to give the iodooxazolidinone (III).
ChemInform Abstract: An ab initio Characterization of the Tetraphosphorus Oxide P4O.
Authors: LOHR L. L.
Published: May 2016

Ab initio results are reported for three isomers of P4O as well as for a transition state.
ChemInform Abstract: Flexibility of the Zeolite RHO Framework. In situ X‐Ray and Neutron Powder Structural Characterization of Divalent Cation‐Exchanged Zeolite RHO.
Authors: CORBIN D. R. , ABRAMS L. , JONES G. A. , EDDY M. M. , HARRISON W. T. A. , STUCKY G. D. , COX D. E.
Published: May 2016

The influence of cation exchange in zeolite RHO on its structure is studied for various cations (Cd, Na, Tl, ND4, Rb, Li, Ag, Ba, Sr, Ca).
ChemInform Abstract: The Crystal Structure of Ta5B6.
Authors: BOLMGREN H. , LUNDSTROEM T. + , TERGENIUS L.‐E. , OKADA S. , HIGASHI I.
Published: May 2016

Single crystals of Ta5B6 are obtained by slow cooling of a solution of Ta and B in molten aluminum.
ChemInform Abstract: The Mechanism of Toughness of Doped Molybdenum Sheets
Authors: JIANG X. , JIN P.
Published: May 2016

is studied by SEM, TEM, EDAX, and measurements of the mechanical properties as a function of annealing temperature.
ChemInform Abstract: 17O, 31P and 183W NMR Spectra of Paramagnetic Complexes with the Heteropolytungstate Anion (Ln(PW11O39)2)11‐ and Their Constitution in Aqueous Solution (Ln: Rare Earth Element).
Authors: FEDOTOV M. A. , PERTSIKOV B. Z. , DANOVICH D. K.
Published: May 2016

The 31P NMR results obtained for complexes of Ln3+ (Ln: La, Ce‐Yb) with (PW11O39)7‐ ligands confirm the 1:2 composition corresponding to (Ln(PW11O39)2)11‐. The contact and dipolar contributions to the lanthanoid induced shift of ligand nuclei are estimated.
ChemInform Abstract: TiO2 and Bi2O3 Thin Film Oxygen Sensor Materials.
Authors: NICOLOSO N.
Published: May 2016

The electrical conductivity of polycrystalline TiO2 and Bi2O3 films deposited on sapphire substrates is measured as a function of film thickness, oxygen partial pressure and temperature.
ChemInform Abstract: Cocrystallization in Systems with Carnallite‐Type Double Salts.
Authors: BALAREW C. , TEPAVITCHAROVA S.
Published: May 2016

The solubility diagrams of the three systems shown in the scheme are investigated by applying the method for isothermal decrease of supersaturation.
ChemInform Abstract: Fluorogermanate(IV) Equilibria in Acid Media.
Authors: CIAVATTA L. , IULIANO M. , PORTO R. , VASCA E.
Published: May 2016

Potentiometric measurements with a fluoride ion‐sensitive electrode performed in acidic perchlorate solutions containing Ge(IV) and LiF or NaF show the presence of GeF4, Ge(OH)F4‐, GeF62‐, HGeF6‐, and a minor complex (probably Ge(OH)F2+).
ChemInform Abstract: Electrochemical Behavior of High Transition Temperature Superconducting Oxides.
Authors: OHKAWA K. , ITOH K. , FUJISHIMA A.
Published: May 2016

The stability of typical high‐Tc superconducting oxides such as (La0.98Sr0.02)2CuO4‐δ, YBa2Cu3O7‐δ, and Bi2Sr2CaCu2O8, is examined from chemical and electrochemical point of view.
ChemInform Abstract: Synthesis and Ion Exchange Properties of Sodium Stannosilicate: A Silver Selective Inorganic Ion Exchanger.
Authors: RAWAT J. P. , ANSARI A. A.
Published: May 2016

The title ion exchanger, synthesized by refluxing an 1:1 mixture of 0.1 M Na2SnO3·3 H2O solution and 0.1 M Na2SiO3·5 H2O solution for 24 h, may be described by the formula Nax(SnO2)y(SiO2)y·zH2O. The material, obtained as hard granules, is very stable at high temperatures.
ChemInform Abstract: Migration of Barium into Zeolite Channels from the Outer Surfaces of Zeolite Crystals
Authors: SANO T. , OKADO H. , SHOJI H. , IKAI S. , TAKAYA H.
Published: May 2016

is observed, when mixtures of ZSM‐5 zeolite and BaCO3 are heated at 600 °C in the absence or presence of steam.
ChemInform Abstract: Spontaneous Oxidation of Xenon to Xe(II) by Cationic Ag(II) in Anhydrous Hydrogen Fluoride Solutions.
Authors: ZEMVA B. , HAGIWARA R. , CASTEEL W. J. JUN. , LUTAR K. , JESIH A. , BARTLETT N.
Published: May 2016

Blue solutions prepared by dissolving AgF2 in anhydrous HF with AsF5 or BF3 oxidize Xe at ∼20 °C to produce the colorless solids (IV) and (VII) (for the reaction with AsF5 an overall yield is given in gram).
ChemInform Abstract: Addition Reactions of Diarylcarbenium Ions to 2‐Methyl‐1‐pentene: Kinetic Method and Reaction Mechanism.
Authors: MAYR H. , SCHNEIDER R. , SCHADE C. , BARTL J. , BEDERKE R.
Published: May 2016

Linear correlation is observed for the second‐order rate constants and the concentration of (II) and the carbenium ions derived from (I).
ChemInform Abstract: Kinetics of the Reactions of the p‐Methoxy‐Substituted Benzhydryl Cation with Various Alkenes and 1,3‐Dienes.
Authors: MAYR H. , SCHNEIDER R. , IRRGANG B. , SCHADE C.
Published: May 2016

The addition reaction shown in the preceding report is used to study the reactivity of the title ion toward a series of 20 alkenes and 10 dienes such as (I)‐(II) and (III), respectively.
ChemInform Abstract: Abnormal Products from Reformatsky Reaction of p‐Methoxyphenacyl Acetate.
Authors: BANERJEE A. K. , ACHARI B. , PAKRASHI S. C.
Published: May 2016

The Reformatsky reaction of the title compound (I) with the bromide (II) gives the expected products.
ChemInform Abstract: Inverse‐Electron‐Demand Diels‐Alder Reactions of Fischer Carbene Complexes: A New and Efficient Dihydrobenzene Synthesis via a Retrocycloaddition of Chromium Hexacarbonyl.
Authors: WANG S. L. B. , WULFF W. D.
Published: May 2016

Pyranylidene complexes of the type (III), for instance, are found to undergo facile inverse‐electron‐demand Diels‐Alder reactions with electron‐rich olefins such as (IV), (VI), (VIII) to give dihydrobenzenes such as (V), (VII), (IX).
ChemInform Abstract: Effective (4 + 2)Cycloaddition Procedure Under Adsorption on Chromatographic Sorbents.
Authors: VESELOVSKII V. V. , GYBIN A. S. , LOZANOVA A. V. , MOISEENKOV A. M. , SMIT V. A.
Published: May 2016

The dienes (I) and (VI) are coupled with the dienophiles (II) or (IV) in the presence of silica to give the cycloadducts (III), (V), and (VII) respectively.
ChemInform Abstract: Reactions of Oximes with Thianthrene Cation Radical in Nitrile Solvents. Cycloaddition to Form Oxadiazoles and Deoxygenation to Form Nitriles.
Authors: CHIOU S. , HOQUE A. K. M. M. , SHINE H. J.
Published: May 2016

Reaction of the aldoximes (I) with the thianthrene radical cation perchlorate (II) yields the parent aldehydes (IV), the corresponding nitriles (V), and in some case the oxadiazoles (VI) and (VII), formed by oxidative cycloaddition.
ChemInform Abstract: Base‐Promoted Ring‐Opening and Elimination of 4‐Chloro‐ and 4‐(Methylthio)azetidinones.
Authors: RAO S. N. , O'FERRALL R. A. M.
Published: May 2016

Base‐catalyzed ring cleavage of the azetidinones (I) and (IV) mentioned in the title leads to the formation of the enamino esters (III) in the case of the 4‐chloro derivatives (I), while the 4‐methylthio derivatives (IV) yield an additional product due to elimination of azide or tosylate and rearrangement.
ChemInform Abstract: Stereoselectivity of Sigmatropic Homodienyl (1,5)‐Hydrogen Migrations.
Authors: PEGG G. G. , MEEHAN G. V.
Published: May 2016

The stereoselectivity of the title process observed for (I) and (IVa) is best rationalized by a chair cyclohexane‐like transition state model.
ChemInform Abstract: Solvent and Structure Effects in the Photobromination of Benzyltrimethylsilanes. A Mechanistic Changeover from Hydrogen‐Atom Transfer to Electron Transfer.
Authors: BACIOCCHI E. , CRESCENZI M.
Published: May 2016

Whereas the photobromination of (I) in CCl4 or AcOH yields exclusively (II) (via H‐transfer), the same reaction in TFA/AcOH leads to benzyl bromide (III) as the main product (via electron transfer from (II) to Br·).
ChemInform Abstract: Palladium‐Catalyzed Cross‐Coupling Reaction of Aryl or Vinylic Triflates with Organoboron Compounds.
Authors: OH‐E T. , MIYAURA N. , SUZUKI A.
Published: May 2016

The triflates (I) and the 9‐substituted 9‐borabicyclo(3.3.1)nonanes (II) undergo cross‐coupling reaction in the presence of a Pd(II) catalyst to produce the alkene (IIIa) and the methyl carboxylates (IIIb).
ChemInform Abstract: Reaction of N‐Sulfonylimines with Methylenediamines.
Authors: ANIKIN O. V. , CHLENOV I. E. , TARTAKOVSKII V. A.
Published: May 2016

The N‐alkylsulfonylimines (II), generated in situ from the sulfamoyl chlorides (I), react with the diaminomethanes (III) to give the asymmetric sulfamides (IV) and/or (V) depending on the substituents.
ChemInform Abstract: Synthesis of Cyclobutanones by the Photolytic Reaction of Chromium Carbene Complexes with Olefins: Inter‐ and Intramolecular Reactions.
Authors: SOEDERBERG B. C. + , HEGEDUS L. S. , SIERRA M. A.
Published: May 2016

Photolytic reactions between a variety of chromium alkoxycarbene complexes such as (I) or (VII) and olefins such as (II) or cyclic conjugated dienes such as (V) in the presence of CO (III) give rise to cyclobutanones such as (IV), (VI), or (VIII) as strongly prevailing isomers.
ChemInform Abstract: BF3 Etherate‐Catalyzed Electrophilic Cyclization of Regular α‐Monoterpenols.
Authors: DRAGAN V. A. , VESELOVSKII V. V. , MOISEENKOV A. M.
Published: May 2016

Treatment of the terpene alcohols (I) with BF3 etherate results in the formation of the vinylcyclohexenes (II) and (III) and the fluorobicyclo(3.2.1)octane (IV).
ChemInform Abstract: Reactions of Polyfluoroalkanesulfenyl Chlorides with γ,δ‐Unsaturated Acids and Their Derivatives.
Authors: SIZOV A. YU. , LINEV V. V. , KONDRASHOV N. V. , KOLOMIETS A. F. , FOKIN A. V.
Published: May 2016

The norbornenecarboxylic acids (I) are coupled with the polyfluoroalkanesulfenyl chlorides (II) to give the lactones (III).
ChemInform Abstract: Synthesis of Unsaturated Tertiary Amines and α‐Allyl‐Substituted Ketones from Azomethines Using Metal Complex Catalysts.
Authors: IBRAGIMOV A. G. , MINSKER D. L. , MOROZOV A. B. , GALKIN E. M. , DZHEMILEV U. M. , TOLSTIKOV G. A.
Published: May 2016

The benzaldimine (I) reacts with ethylmagnesium bromide (II) to form the amide (III) which is coupled in situ with the bromides (IV) or the octadienyl ether (VI) to give the amines (V) and (VII).
ChemInform Abstract: Cleavage of Aldehyde Hydrazonium Iodides Under Mild Conditions. A Convenient Route to Chiral Nitriles of High Enantiomeric Purity.
Authors: MOORE J. S. , STUPP S. I.
Published: May 2016

Upon treatment of hydrazones such as the diastereomerically enriched (I) with excess methyl iodide followed by DBU‐promoted elimination reaction, the corresponding chiral nitriles such as (II) are obtained.
ChemInform Abstract: Sulfur‐Based Directed Benzylic Metalations: Lithiations of Alkylarenesulfonates.
Authors: ALO B. I. , FAMILONI O. B. , MARSAIS F. , QUEGUINER G.
Published: May 2016

Lithiation of toluenesulfonates (I), (XIII) occurs at the methyl group, as in (III).
ChemInform Abstract: n‐Pentenyl Glycosides as Mediators in the Asymmetric Synthesis of Monosubstituted Chiral Nonracemic Tetrahydrofurans and γ‐Lactones.
Authors: LLERA J. M. , LOPEZ J. C. , FRASER‐REID B.
Published: May 2016

The n‐pentenyl glycoside (I) is oxidatively hydrolyzed by NBS to form the furan (R)‐(II) with moderate enantiomeric excess.
ChemInform Abstract: Intramolecular Ring Opening Reactions of 2‐Oxetanones Leading to Tetrahydrofuran Ring Formation: A Lewis Acid Study.
Authors: MEAD K. T. , YANG H.‐L.
Published: May 2016

Treatment of (benzyloxy)propyl‐substituted 2‐oxetanones, e.g. (I), with Lewis acids results in ring opening of the oxetanone moiety.
ChemInform Abstract: Synthesis of Protected Indoles from N‐(tert‐Butoxycarbonyl)‐2‐alkylanilines.
Authors: CLARK R. D. , MUCHOWSKI J. M. , SOUCHET M. , REPKE D. B.
Published: May 2016

Consecutive treatment of the N‐(tert‐butoxycarbonyl)‐2‐alkylanilines (I) with sec‐butyllithium (II), N,N‐dimethylformamide (IV), and conc.
ChemInform Abstract: 2‐Substituted Benzimidazoles as Antiinflammatory Agents.
Authors: SINGH P. , HINGORANI L. L. , TRIVEDI G. K. , VORA J.
Published: May 2016

Condensation of o‐phenylenediamine with the corresponding arylalkanoic acids affords the title compounds (III)‐(VI) in high yields (80‐93%).
ChemInform Abstract: Regiospecific Thermal Rearrangements of 2‐Allyloxypyridine N‐Oxides.
Authors: ALKER D. , MAGESWARAN S. , OLLIS W. D. , SHAHRIARI‐ZAVAREH H.
Published: May 2016

The results from the rearrangement of the methylallyloxypyridine oxides (I) and (IIIa) are a revision of earlier work.
ChemInform Abstract: Selective Hydrogenation of 9‐Aminoacridine over Supported Noble Metal Catalysts.
Authors: SAKANISHI K. , MOCHIDA I. , OKAZAKI H. , SOEDA M.
Published: May 2016

The hydrogenation of 9‐aminoacridine (I) using noble metals such as Pd, Pt, Rh, or Ru on different carrier materials is investigated.
ChemInform Abstract: 1,4‐Dioxane‐2,3‐dithione, the First Cyclic Dithioxooxalate.
Authors: HARTKE K. , LINDENBLATT T.
Published: May 2016

2,3‐Dichloro‐1,4‐dioxane (I) is coupled with CS2 (II) and morpholine (III) to give the bisdithiocarbamate (IV).
ChemInform Abstract: Enamines. Part 48. 3,4‐Dihydroquinazolines from Enamines and S,S‐Dimethyl‐N‐(N‐arylbenzimidoyl)sulfimides.
Authors: ROSSI E. , STRADI R. , VISENTIN P.
Published: May 2016

Treatment of the sulfimide (I) with enamines such as (II) derived from ketones gives the title compounds (III).
ChemInform Abstract: Synthesis of Pyrido(1′,2′:1,2)imidazo(4,5‐b)quinoxaline Derivatives from 2‐Amino‐3‐chloroquinoxaline and Pyridines.
Authors: TOMODA H. , SAITO S. , SHIRAISHI S.
Published: May 2016

2‐Amino‐3‐chloroquinoxaline (I) reacts with pyridines such as (II) in DMF to form the pyridoimidazoquinoxalines (III).
ChemInform Abstract: Synthesis and Reactions of E‐1,4‐Bis(silyl)‐Substituted Enynes.
Authors: OHSHITA J. , FURUMORI K. , MATSUGUCHI A. , ISHIKAWA M.
Published: May 2016

The Rh(I)‐catalyzed dimerization of the silylated acetylene (I) yields the 1,4‐disilylbut‐1‐en‐3‐yne (II).
ChemInform Abstract: Synthesis of Organosilane‐Containing Fused Aromatic Rings by Diels‐Alder Reaction.
Authors: QIU H. , FENG S. , CHEN J. , DU Z.
Published: May 2016

The new compound (III) is prepared in the scope of a study of the syntheses of polyphenylsilanes, which are used as a high temp. stationary phase of gas chromatographs and additives of heat‐vulcanized silicone rubber.
ChemInform Abstract: Preparation of a New Class of C2‐Symmetric Chiral Phosphines: The First Asymmetric Staudinger Reaction.
Authors: WILSON S. R. , PASTERNAK A.
Published: May 2016

The dihydroxyhexane (I), prepared from 2,5‐hexanedione by asymmetric reduction with bakers' yeast, reacts with mesyl chloride (II) to produce the bismesylate (III).
ChemInform Abstract: 2,2,2‐Trifluoroethyl Aryl Tellurides, ArTeCH2CF3 and Their Derivatives Ar(CF3CH2)TeX2 (Ar = C6H5, p‐CH3C6H4; X = Cl, OCH2CF3): Preparation and Characterization.
Authors: SANDHU A. , SINGH S. , BHASIN K. K. , VERMA R. D.
Published: May 2016

Alkylation of the in situ formed sodium tellurides (II) with 2,2,2‐trifluoroethyl iodide (III) affords the fluoroalkyl tellurides (IV).
ChemInform Abstract: Polylithiumorganic Compounds. Part 12. Reductive Scission of a Cyclopropane σ‐Bond During the Action of Elemental Lithium on Cyclopropylacetylenes. A cis‐1,2‐Dilithioalkene as Intermediate.
Authors: MAERCKER A. , GIRRESER U.
Published: May 2016

The cis‐dilithioalkene (III) is stable in solution at ‐30 °C (trapping experiments with MeOD, (MeO)2SO2, and CO2 (IV) to give, e.g., (V)); above ‐30 °C cyclopropane‐bond cleavage occurs to give a linear intermediate which undergoes elimination of CH2=CH2 followed by deprotonation yielding finally trilithio compound (VI).
ChemInform Abstract: Synthesis and Structural Characterization of an Air‐Stable 17‐Electron Complex Containing the (Cr(NO))2+ Core.
Authors: SHIU K.‐B. , CHOU J. L. , WANG Y. , LEE G.‐H.
Published: May 2016

The paramagnetic monomer complex (IV) crystallizes in the space group P212121 with Z=4.
ChemInform Abstract: Synthesis and Reactivity of Ruthenium Complexes with Dibenzothiophene and Hexahydrodibenzothiophene Ligands: Models for Catalytic Hydrodesulfurization.
Authors: WANG C.‐M. J. , ANGELICI R. J.
Published: May 2016

As models for the adsorption of dibenzothiophene (II) and hexahydrodibenzothiophene on hydrodesulfurization catalysts, the complex (III), its hexahydrodibenzothiophene analogue (yield 65%), and the binuclear analogue (VI) (54%) are prepared.
ChemInform Abstract: Synthesis of Distamycin and Netropsin Analogs. Part 3. Biologically Active Analogs of Tris(m‐benzamido) Compound.
Authors: RAO K. E. , SASISEKHARAN V.
Published: May 2016

Starting from the acid chloride (III), an improved synthesis of the tris(m‐benzamido) compound (VII) and the syntheses of the novel analogs (VIII)‐(X) are achieved.
ChemInform Abstract: Convenient Synthesis of Mono and Cyclic Sulfates of Carbohydrates via Triflate Displacement.
Authors: LATIF F. , SHEKHANI M. S. , VOELTER W.
Published: May 2016

Monosulfates such as (III) and (V) and cyclic sulfates such as (VI) are prepared in order to test their biological activity.
ChemInform Abstract: A Novel Route to 1,4‐Anhydro Derivatives of β‐D‐Galactopyranose.
Authors: BULLOCK C. , HOUGH L. , RICHARDSON A. C.
Published: May 2016

The galactopyranose derivatives (I) react with sodium azide (II) to give the anhydro sugars (III) or (IV) mentioned in the title.
ChemInform Abstract: Synthesis of Cytochalasins: The Route to Sulfur‐Bridged (11)Cytochalasans.
Authors: VEDEJS E. , REID J. G. , RODGERS J. D. , WITTENBERGER S. J.
Published: May 2016

Key steps of the synthesis of the title compounds (IX) and (XI) include the highly selective Diels‐Alder addition reaction leading to (III), the generation and hetero‐Diels‐Alder trapping of the transient thioaldehyde (VI), and the conversion of the derived compound (VIII) into the sulfur‐bridged 11‐membered carbocycle (IX) (together with its 16‐epimer: 6% yield) via a 2,3‐sigmatropic rearrangement of an intermediate sulfonium ylide.
ChemInform Abstract: A Novel Ring‐Closure Strategy for the Carbapenems: The Total Synthesis of (+)‐Thienamycin.
Authors: HANESSIAN S. , DESILETS D. , BENNANI Y. L.
Published: May 2016

Starting with the commercially available optically active azetidinone (I), a total synthesis of (+)‐thienamycin (VI) is described.
ChemInform Abstract: A High‐Temperature Modification of Lead Diphosphate, Pb2P2O7.
Authors: BRUECKNER A. + , WORZALA H.
Published: May 2016

The thermal behavior of Pb2P2O7 is studied by in situ XRD.
ChemInform Abstract: Location, Ligancy, and Reducibility of Metal Ions in Zeolite Cages: Co and Pd in NaY.
Authors: ZHANG Z. , SACHTLER W. M.
Published: May 2016

Ion migration and reducibility of Co/NaY and (Co + Pd)/NaY after ion exchange of Co(NH3)63+ and Pd(NH3)42+ are investigated by using UV‐VIS diffuse reflectance spectroscopy, and temp.‐programmed reduction and oxidation.
ChemInform Abstract: Low‐Temperature Ion Conductivity of RbAg4I5.
Authors: PINKOWSKI A. , CHIERCHIE T. , LORENZ W. J.
Published: May 2016

Four‐probe conductivity data, obtained by impedance spectroscopy on α‐, β‐, and γ‐RbAg4I5 between 28 and 299 K, agree well with previous two‐probe σ data at temp. above the β‐γ phase transition temp. Tβ‐γ = 121.75 K. Between Tβ‐γ and T = 109 K the specific ionic conductivity decreases by 2‐3 orders of magnitude.
ChemInform Abstract: Photocatalytic Activities of Potassium‐Doped Lead Niobates and the Effect of Poling.
Authors: INOUE Y. , HAYASHI O. , SATO K.
Published: May 2016

Addition of K to lead niobates with tungsten bronze‐type structure is shown to considerably enhance the photocatalytic activity for water decomposition and the surface photocurrent.
ChemInform Abstract: Electrical Transport Properties of β‐Bismuth Molybdate Bi2Mo2O9
Authors: BOON L. , METSELAAR R.
Published: May 2016

are studied in the temp. range 300‐650 °C at oxygen partial pressures of 1‐10‐6 bar.
ChemInform Abstract: The Electrodeposition of Manganese from Aqueous Chloride Electrolytes
Authors: GONSALVES M. , PLETCHER D.
Published: May 2016

(neutral NH4Cl solutions) is investigated by cyclic voltammetry and potential step techniques using a vitreous carbon disc electrode and a Cu microdisc.
ChemInform Abstract: The Specific Interaction of Mg and Alkaline Earth Metal Ions with Well‐Defined Surfaces of α‐HCrO2 and Cr2O3.
Authors: KITTAKA S. , YAMANAKA S. , YANAGAWA N. , OKABE T.
Published: May 2016

Electrophoretic mobility and surface charge density measurements show the selectivity sequence of the alkaline earth metal ions to the surface of α‐HCrO2 to be Mg > Ca > Sr ∼Ba.
ChemInform Abstract: Synthesis and Properties of the Silicoaluminophosphate Molecular Sieve SAPO‐31.
Authors: ZUBOWA H.‐L. , ALSDORF E. , FRICKE R. , NEISSENDORFER F. , RICHTER‐MENDAU J. , SCHREIER E. , ZEIGAN D. , ZIBROWIUS B.
Published: May 2016

The medium‐pore title molecular sieve is synthesized by heating a gel, having the composition 1.0 nPr2NH:1.2 Al2O3:1.0 P2O5:0.6 SiO2:62.0 H2O, at 473 K under autogeneous pressure (24 h, stainless steel vessel lined with inert plastic material) followed by calcination in air at 873 K (7 h).
ChemInform Abstract: Preparation and Crystal Structure of the Pnictide Oxides Na2Ti2As2O (I) and Na2Ti2Sb2O
Authors: ADAM A. , SCHUSTER H.‐U.
Published: May 2016

(II).
ChemInform Abstract: Preparation and Vibrational Spectra of Nonahalogenodirhodates(III), (Rh2ClnBr9‐n)3‐, n = 0‐9.
Authors: KUHR W. , PREETZ W.
Published: May 2016

The pure compounds A3(Rh2ClnBr9‐n) with A: K+, Cs+, Bu4N+ and n = 0‐4, 9 are prepared from monomeric (RhClnBr6‐n)3‐ (n = 0‐6) by ligand abstraction in less polar organic solvents (CH2Cl2) to form a mixture of the confacial bioctahedral complexes from which the individual complex ions are separated by ion exchange chromatography on diethylaminoethylcellulose.
ChemInform Abstract: New Compounds of the Ba8Pt4Y3O17.5‐Type: Ba8Pt4Ln3O17.5 (Ln: Er, Yb, Tm).
Authors: GUTAU W. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

The title compounds (III) crystallize in the cubic space group Pm3m with Z=1.
ChemInform Abstract: Molecular “Light Switch” for DNA: Ru(bpy)2(dppz)2+.
Authors: FRIEDMAN A. E. , CHAMBRON J.‐C. , SAUVAGE J.‐P. , TURRO N. J. , BARTON J. K.
Published: May 2016

The novel transition‐metal complex (I) is a highly sensitive spectroscopic reporter to double‐helical DNA.
ChemInform Abstract: Physical Properties of 3‐Propylsydnone.
Authors: SASAKI Y. , ISHIBASHI Y.
Published: May 2016

The dielectric constant, refractive index, density and viscosity of the title compound (I) are determined.
ChemInform Abstract: Cyclopentane Ring Formation in the Cycloaddition Reaction of 3‐Alkenyl Radicals to Radicophilic Olefins.
Authors: SAICIC R. N. , CEKOVIC Z.
Published: May 2016

Regioselective addition reactions of 3‐alkenyl radicals, generated from the substrates (II), (VII), or (IX), to electron‐deficient olefinic compounds such as (I), (IV), or (VI) lead to final products such as (III), (V), (VIII), (X).
ChemInform Abstract: Unactivated 2‐Aza‐1,3‐dienes: Halogenation and Face Selectivity in Diels‐Alder Reactions.
Authors: BARLUENGA J. , GONZALEZ F. J. , FUSTERO S.
Published: May 2016

Treatment of 2‐aza‐1,3‐dienes, e.g. (I), with N‐halosuccinimides, e.g. NCS, results in the formation of two isomeric products due to (1,5)H‐shift.
ChemInform Abstract: Indole as a Dienophile in Inverse Electron Demand Diels‐Alder Reactions: Reactions with 1,2,4‐Triazines and 1,2‐Diazines.
Authors: BENSON S. C. , GROSS J. L. , SNYDER J. K.
Published: May 2016

The reaction of indole (I) with the triazines (II), (V), or (VII) leads to the formation of the γ‐carbolines (III), β‐carbolines (IX) and (X), benzo(f)(1,7)naphthyridines (IV), or noncyclized triazinylindoles (VI).
ChemInform Abstract: Organoaluminum‐Promoted Rearrangement of Allyl Phenyl Ethers.
Authors: MARUOKA K. , SATO J. , BANNO H. , YAMAMOTO H.
Published: May 2016

The sterically hindered methylaluminum compound (I) induces rearrangement of various allyl phenyl ethers to give C‐allylated compounds, in general mixtures of allylated phenols and allylcyclohexadienones.
ChemInform Abstract: Photoreduction of Aryl Ketones by Amides, Lactams and Various Nitrogen‐Containing Heterocycles.
Authors: GRAMAIN J.‐C. , JEANDRAU J.‐P. , LEMAIRE J. , REMUSON R.
Published: May 2016

Regioselective hydrogen abstraction α to the nitrogen atom in (II) or in lactams is observed in the photoreduction of benzophenone (I).
ChemInform Abstract: A New Route to Epoxides and Ketones by m‐Chloroperbenzoic Acid Oxidation of β‐Hydroxyalkyl Phenyl Selenides and Tellurides.
Authors: UEMURA S. , OHE K. , SUGITA N.
Published: May 2016

MCPBA oxidation of phenyl selenides and phenyl tellurides yields, depending on the nature of the substrate, epoxides (II) or (X)/(XI), β‐diol monomethyl ethers (IV), carboxylic acids or esters (VI), (VII) or ketones (IX), (XVI).
ChemInform Abstract: Geometry Dependence of Intramolecular Photoinduced Electron Transfer in Synthetic Zinc‐Ferric Hybrid Diporphyrins.
Authors: OSUKA A. , MARUYAMA K. , MATAGA N. , ASAHI T. , YAMAZAKI I. , TAMAI N.
Published: May 2016

The rate constants for charge separation of 13 examples of the hybrid diporphyrins of type (I) are determined from the respective fluorescence lifetimes.
ChemInform Abstract: Alkylation of Heteroaryl Alkyl Metals by Bistrialkylsilylperoxides.
Authors: EPIFANI E. , FLORIO S. , TROISI L.
Published: May 2016

Heteroalkyl methyl metals obtained from (III)/LDA undergo methylation upon treatment with the silylperoxide (I) to give the compounds (IV); in addition, the trimethylsilyloxylation products (Va) and (Vb) as well as the silylation product (VIa) are formed.
ChemInform Abstract: Fully Regioselective Catalytic Carbonylation of Acrylic Derivatives: Synthesis of Methylmalonic Acid by Iron Pentacarbonyl Catalyzed Hydrocarboxylation of Acrylic Acid.
Authors: BRUNET J.‐J. , PASSELAIGUE E.
Published: May 2016

The first catalytic hydrocarboxylation of acrylic acid (I) into methylmalonic acid (III) is reported.
ChemInform Abstract: Influence of the Solvent on the Regioselectivity of the Oxidative Hydrocarboxylation of α‐Olefins.
Authors: KRON T. E. , STAROSEL'SKAYA L. F. , TEREKHOVA M. I. , PETROV E. S.
Published: May 2016

The ratio of the isomeric heptanecarboxylic acids (III) and (IV), obtained by oxidative hydrocarboxylation of 1‐heptene (I) in the presence of a PdCl2/CuCl2 catalyst, depends on the solvent used.
ChemInform Abstract: Synthesis of Enantiomerically Pure 1‐Methyl‐2‐alkenyl N,N‐Diisopropylcarbamates from (S)‐ or (R)‐Lactates.
Authors: SCHWARK J.‐R. , HOPPE D.
Published: May 2016

The optically active lactates (I) are protected by reaction with the carbamoyl chloride (II) and subsequently reduced with DIBAL to form the aldehydes (III).
ChemInform Abstract: Stereochemistry of the Addition of α‐Metallated N,N‐Dimethylsulfonamides to 4‐tert.‐Butylcyclohexanone.
Authors: MLADENOVA M. , GAUDEMAR‐BARDONE F.
Published: May 2016

Na or MgCl analogues of the sulfonamide derivatives (IIa), (IIb) give similar results at ‐50 °C (kinetic control).
ChemInform Abstract: Energies and Isomerizations of (CH)12 Hydrocarbons.
Authors: SCHRIVER G. W. , GERSON D. J.
Published: May 2016

Calculated structures and energies are presented (ab initio RHF) for 15 (CH)12 hydrocarbons such as (I)‐(XIII).
ChemInform Abstract: Convenient Preparation of Aryl Dichloromethyl Ketones and Aryl 1,1‐Dichloro‐3‐butenyl Ketones.
Authors: BAL'ON YA. G. , SHUL'MAN M. D. , PARANYUK V. E.
Published: May 2016

The aryl trichloromethyl carbinols (I) are alkylated to give the ethers (III).
ChemInform Abstract: Synthesis of 3‐Alkoxyalkanoic Esters from Acetals. A Novel Application of Reformatskii Reagents in Asymmetric Synthesis.
Authors: BASILE T. , TAGLIAVINI E. , TROMBINI C. , UMANI‐RONCHI A.
Published: May 2016

The acetals (I) are coupled with the Reformatskii reagents (II) in the presence of titanium tetrachloride to produce the β‐methoxycarboxylic acid esters (III).
ChemInform Abstract: Phenanthrylalkanoic Acids. Part 4. Syntheses and Antiinflammatory Activity of 2‐, 3‐, and 9‐Phenanthryl and 9‐Chloro‐3‐phenanthryl Derivatives of Propanoic Acid.
Authors: FERNANDEZ F. , GONZALEZ C. , GOMEZ G. , LOPEZ C. , MEDINA L. , CALLEJA J. M. , CANO E.
Published: May 2016

The title compounds (VI) are prepared as outlined in the reaction scheme.
ChemInform Abstract: A Short, Versatile Approach to Polyhydroxylated Pyrrolidines Utilizing a Reductive Elimination ‐ Reductive Amination as a Key Step.
Authors: BERNOTAS R. C.
Published: May 2016

The benzylidenegalactopyranoside (I) is converted to the primary bromide (III).
ChemInform Abstract: Imidazole Derivatives. Part 4. A Novel and Direct Synthesis of 7H‐Pyrrolo(1,2‐a)imidazoles.
Authors: KNOELKER H.‐J. + , BOESE R.
Published: May 2016

The described one‐pot procedure allows a simple and direct access to the title compounds which are of interest because of their broad spectrum of biological activities.
ChemInform Abstract: 5‐Amino‐4‐trifluoromethylthiazoles and 5‐Aminomethyl‐4‐trifluoromethyl‐1,3‐azoles: Useful Starting Materials for the Synthesis of Biologically Active Compounds.
Authors: BURGER K. , HOESS E. + , GEITH K.
Published: May 2016

The aminothiazoles (I) are coupled with the isocyanates and isothiocyanates (II) to produce the ureas (III).
ChemInform Abstract: 1,2,4‐Triazoles. Part 6. Synthesis of New 1,5‐Diphenyl‐1H‐1,2,4‐triazoles Substituted with H, Alkyl, or Carboxyl Groups at C‐3.
Authors: CZOLLNER L. , SZILAGYI G. , LANGO J. , JANAKY J.
Published: May 2016

Cyclization of the acylamidines (I) with the phenylhydrazines (II) yields the triazole derivatives (III).
ChemInform Abstract: Bacterial Constituents. Part 38. Acylsulfenic Acids.
Authors: HUEBNER J. + , TARAZ K. , BUDZIKIEWICZ H.
Published: May 2016

The bis(sulfenic acid) (II) and benzoylsulfenic acid (VIII) are the first acylsulfenic acids obtainable in a free state.
ChemInform Abstract: Syntheses of Bicyclic Pyridine Derivatives from 3‐Substituted 2‐(Phenylethynyl)pyridines.
Authors: NISHIWAKI N. , MINAKATA S. , KOMATSU M. , OHSHIRO Y.
Published: May 2016

Hg(II)‐catalyzed hydration of 2‐phenylethynyl‐3‐acetylpyridine (I) yields 2‐phenacyl‐3‐acetylpyridine (II) which is cyclized in the presence of a base, forming 7‐phenyl‐5‐quinolinol (III).
ChemInform Abstract: Ortho‐Directed Lithiation in π‐Deficient Diazinyl Heterocycles.
Authors: MATTSON R. J. , SLOAN C. P.
Published: May 2016

Methoxy‐substituted pyrimidine derivatives such as (I) are lithiated with LiTMP under standard conditions.
ChemInform Abstract: 1,2,4‐Triazolo(1,5‐a)pyrimidines. Part 5. Preparation of 7‐Aminesubstituted 6‐Nitro‐1,2,4‐triazolo(1,5‐a)pyrimidines.
Authors: HEMPEL U. , LIPPMANN E. , TENOR E.
Published: May 2016

The nitro compounds (I) and (IV) are prepared starting from the corresponding 7‐hydroxy‐5‐methyl derivatives.
ChemInform Abstract: Synthesis and Positive Inotropic Activity of Novel Pyrimido‐(5,4‐b)(1,4)oxazin‐7(8H)‐ones.
Authors: KASZTREINER E. , RABLOCZKY G. , MAKK N. , MATYUS P. , DIESLER E. , TEGDES A. , KOSARY J. , CZAKO K. , GYUERKI S. + , CSEH G. , KUERTHY M. + , JASZLITS L.
Published: May 2016

Seventy‐five title compounds are synthesized and tested for positive inotropic activity.
ChemInform Abstract: Palladium(0)‐Catalyzed Reaction of Z‐2‐Butene‐1,4‐diyl Bis(methyl Carbonate) and Z‐2‐Butene‐1,4‐diyl Diacetate with Bifunctional Nitrogen Nucleophiles.
Authors: TSUDA T. , KIYOI T. , SAEGUSA T.
Published: May 2016

The Pd(0)‐catalyzed reaction of 1,4‐difunctionalized butenes such as (I) with the ethylenediamine derivatives (II) yields the 2‐vinylpiperazines (III).
ChemInform Abstract: Epoxide Ring Opening by Dianions Derived from β‐Keto Sulfones. Synthetic Studies on the 7‐Hydroxy‐4‐oxo‐2,3‐alkenoate System and Medium‐Ring Lactones.
Authors: LYGO B. , O'CONNOR N.
Published: May 2016

The dianion of the keto sulfone (I) is coupled with the oxiranes (II) and (IV) to produce the hydroxy keto sulfones (III) and (V).
ChemInform Abstract: Addition of Tris(trimethylsilyl)silyl Radicals to the Carbonyl Group.
Authors: ALBERTI A. , CHATGILIALOGLU C.
Published: May 2016

Title radicals are generated in situ from silane (II) either photolytically in the presence of (tBuO)2 or by catalytic amounts of AIBN and reacted (free radical chain mechanism) with a range of dialkyl or diaryl ketones and quinones (laser flash photolysis and ESR studies; kinetics).
ChemInform Abstract: Reactions of Salts of Four‐Coordinated Phosphorus Acids with 1‐Chloro‐2,2‐dicyanoethylene.
Authors: RYMAREVA T. G. , LYSAK E. I. , KHASKIN B. A.
Published: May 2016

The potassium O,O‐dialkyl dithiophosphates (I) are coupled with 1‐chloro‐2,2‐dicyanoethylene (II) to give the S‐dicyanovinyl dithiophosphates (III).
ChemInform Abstract: 3‐Dialkoxyphosphoryl‐4‐methyl‐1‐phenyl‐2‐aza‐1,3‐pentadienes.
Authors: ONYS'KO P. P. , KIM T. V. , KISELEVA E. I. , SINITSA A. D.
Published: May 2016

Reaction of the imidoyl chloride (I) with trialkyl phosphites such as (IIa) and (IIb) produces the title compounds (III).
ChemInform Abstract: α‐Alkenyl Analogs of Phosphorylcholines.
Authors: GOLOLOBOV Y. G. , OGANESYAN A. S. , KOLOMNIKOVA G. D. , KUZNETSOVA S. A. , KASUKHIN L. F.
Published: May 2016

The chloroalkenyl phosphates (I) and (V) react with the trialkylamines and trialkylphosphines (II) to produce the corresponding ammonium and phosphonium derivatives (III) and (VI).
ChemInform Abstract: Organophosphoro(thioperoxoic) Acids: Direct Observation and Reactivity.
Authors: SEGALL Y. , WU S.‐Y. , TOIA R. F. , CASIDA J. E.
Published: May 2016

Peracid oxidation of the thiolophosphonate (Ia) or the related phosphate (Ib) generates the phosphorothioperoxoic acids (II) and the isomer (III) which are detected by means of 31P NMR spectroscopy.
ChemInform Abstract: Arylhydrazones of (Dialkoxyphosphoryl)formyl Sulfite.
Authors: SOKOLOV M. P. , BUZYKIN B. I. , MOLODYKH ZH. V.
Published: May 2016

The phosphorylhydrazonoyl chlorides (I) are coupled with sodium sulfite (II) in the presence of hydrochloric acid at room temperature to give the title compounds (III).
ChemInform Abstract: An Unusual Reaction Product from Diethyl Isocyanatophosphite and C,N‐Diphenylnitrilimine.
Authors: DOLGUSHINA T. S. , GALISHEV V. A. , PLOTNIKOV V. F. , SOKOLOV V. V. , BEL'SKII V. K. , PETROV A. A.
Published: May 2016

Reaction of the isocyanatophosphite (I) with the nitrilimine (II) leads to the formation of the triazolyl phosphonate (III).
ChemInform Abstract: Reactions Involving Selenium Metal as an Electrophile: Scope and Limitations of the Enolate‐Selenolate Transformation.
Authors: SWISS K. , CHOI W.‐B. , MOHAN J. , BARNUM C. , SAINDANE M. , ZIMA G. , KIOTTA D.
Published: May 2016

Twelve ketones such as (I) are converted into the enolates by reaction with LDA (II).
ChemInform Abstract: Synthesis of Novel Bidentate (Te, N) Ligands ‐ 2‐Aryltelluroethylamines and Their Complexation with Mercury(II).
Authors: SINGH A. K. , SRIVASTAVA V.
Published: May 2016

As part of the program on ligand chemistry of tellurium the telluroamines (III) are treated with HgCl2 to yield the corresponding complexes (V).
ChemInform Abstract: Dibenzo(b,i)(1,4,8,11)tetra‐azacyclotetradecine Complexes. Part 1. W(CO)4(tmtaa).
Authors: COTTON F. A. , CZUCHAJOWSKA J.
Published: May 2016

From an X‐ray structure determination of the title complex (III) (space group Pcab, Z = 8) it is confirmed that the previously postulated unconventional mode of coordination of (I) in the complex is real.
ChemInform Abstract: Structure and Properties of New Pyridyltriazine Low‐Spin Iron(II) Complexes.
Authors: HAGE R. , HAASNOOT J. G. , REEDIJK J.
Published: May 2016

The various 1,2,4‐triazine ligands yield low‐spin complexes of the type (III).
ChemInform Abstract: Assessment of Butene‐1,4‐diols as Starting Materials for the Preparation of π‐Allyltricarbonyliron Complexes.
Authors: BATES R. W. , DIEZ‐MARTIN D. , KERR W. J. , KNIGHT J. G. , LEY S. V. , SAKELLARIDIS A.
Published: May 2016

The title reaction is investigated under different conditions.
ChemInform Abstract: Synthesis and Electrochemical Characterization of Binuclear Rhodium and Ruthenium Complexes with 1,8‐Naphthyridine‐2,7‐dicarboxylate. X‐Ray Molecular Structure of Tris(μ‐acetato)(1,8‐naphthyridine‐2,7‐dicarboxylato)diruthenium.
Authors: COLLIN J.‐P. , JOUAITI A. , SAUVAGE J.‐P. , KASKA W. C. , MCLOUGHLIN M. A. , KEDER N. L. , HARRISON W. T. A. , STUCKY G. D.
Published: May 2016

Treatment of Rh2(O‐Ac)4(MeOH)2 with (II) in MeOH under reflux gives a Rh(II),Rh(II) complex (78% yield), similar to (III), as its monosodium salt.
ChemInform Abstract: Structure‐Activity Relationship of NSTX‐3, Spider Toxin of Nephila maculata.
Authors: TESHIMA T. , MATSUMOTO T. , WAKAMIYA T. , SHIBA T. , NAKAJIMA T. , KAWAI N.
Published: May 2016

In a study on structure‐activity relationship of spider toxin NSTX‐3 (I), nine analogues or fragments of natural toxin are synthesized.
ChemInform Abstract: 1,6‐Anhydro‐β‐D‐glucopyranose Derivatives as Glycosyl Donors for Thioglycosidation Reactions.
Authors: WANG L.‐X. , SAKAIRI N. , KUZUHARA H.
Published: May 2016

Analogously to the glucose derivative (I) and the maltotriose derivative (IV), a 1,6‐anhydromaltose derivative is reacted with the trimethylsilylthio reagents (II).
ChemInform Abstract: Dideoxygenation on the 3′,4′‐Positions of an α‐Linked Disaccharide Derivative: A Key Intermediate for New Aminoglycoside Synthesis.
Authors: HAYASHIDA M. , SAKAIRI N. , KUZUHARA H.
Published: May 2016

The 2',6'‐diazido disaccharide derivative (I) is accessible from maltose according to standard procedures.
ChemInform Abstract: Synthesis of Methyl 2‐O‐ and 3‐O‐Sulfo‐D‐glucopyranosiduronic Acids.
Authors: OKUDA S. , KONDO T. , MURATA S.
Published: May 2016

Sulfation of the glucopyranosides (I) and (VI) with the sulfur trioxide‐pyridine complex (II) and subsequent deprotection produce the corresponding sulfates (IV) and (VII).
ChemInform Abstract: Synthesis, Antinociceptive Activity, and Opioid Receptor Profiles of 10‐Substituted‐6‐oxamorphinans.
Authors: MCELROY A. B. , BAYS D. E. , SCOPES D. I. C. , HAYES A. G. , SHEEHAN M. J.
Published: May 2016

The 3‐methoxy‐10‐methylene‐6‐oxamorphinans (VI) are the key step for the preparation of the 10‐methylene‐, 10‐oxo‐ and 10α‐methyl‐6‐oxamorphinans (VIIa,b), (VIIIa,b) and (Xa,b).
ChemInform Abstract: New Geometric Isomers of Vitamin A. Part 17. The Doubly Hindered 7,11‐Dicis, 7,9,11‐Tricis, 7,11,13‐Tricis and All‐cis Isomers of Retinonitrile and Retinal.
Authors: TREHAN A. , MIRZADEGAN T. , LIU R. S. H.
Published: May 2016

The reactions of the modified C5‐phosphonate (II) with the C15‐aldehydes (I) or (VIII) give access to the isomers (III)‐(VI) or (IX)‐(XII) of retinonitrile; included are the title isomers (IV), (XI) and the previously unknown title isomers (VI) and (XII).
ChemInform Abstract: The Total Syntheses of dl‐Zygosporin E and dl‐C18‐Desmethylcytochalasin D.
Authors: VEDEJS E. , WITTENBERGER S. J.
Published: May 2016

The sulfur‐bridged (11)cytochalasan (I) serves as a common starting material for the syntheses of dl‐zygosporin E (VIII) and dl‐C18‐desmethylcytochalasin D (IX).
ChemInform Abstract: C‐Glycoside Synthesis of Palladium‐Mediated Glycal‐Aglycon Coupling Reactions
Authors: DAVES G. D. JUN.
Published: May 2016

Review: (57 refs.
ChemInform Abstract: On the Photochemical Reactions in the System XeF4 + F2 ⇄ XeF6.
Authors: LUTAR K. , SMALC A.
Published: May 2016

It is found that a true photochemical equilibrium exists for the title reaction, which lies far on the XeF4 side.
ChemInform Abstract: The Influence of Oxygen Pressure on Oxidation‐Reduction Phenomena Observed with Submicrometer‐Sized Manganese‐Substituted Magnetites
Authors: GILLOT B. , EL GUENDOUZI M.
Published: May 2016

is studied over the temp. range 250‐600 °C. The results reveal that the oxidation occurs in several steps, highly depending on oxygen pressure.
ChemInform Abstract: NMR Spectroscopic Characterization and the Crystal and Molecular Structures of Ph3PS·AlCl3 and Ph3PSe·AlCl3: A Classification of the Coordinative Bonding Modes of the Phosphine Chalcogenides.
Authors: BURFORD N. , ROYAN B. W. , VON H. SPENCE R. E. , ROGERS R. D.
Published: May 2016

The adducts R3PE·AlCl3 (R: Ph, NMe2; E: S, Se) are examined by NMR spectroscopy as a contribution toward the characterization of the P‐E bond and of the coordinate bond.
ChemInform Abstract: The Tautomeric Equilibrium Between Cyclopentadienyl‐1‐carboxylic Acid (V) and Fulvene‐6,6‐diol (IV) in Aqueous Solution.
Authors: URWYLER B. , WIRZ J.
Published: May 2016

Equilibrium and kinetic data are determined.
ChemInform Abstract: Hex‐1‐ene Hydroformylation Catalyzed by Rh(acac)(P(OPh)3)2 Modified with Amines, Formation of Reactive HRh(CO)(P(OPh)3)3 and Unreactive Rh4(CO)8(P(OPh)3)4 Species.
Authors: TRZECIAK A. M.
Published: May 2016

Pyridines and amines are used as modifying ligands in the hex‐1‐ene hydroformylation reaction catalyzed by Rh(acac)(P(O‐Ph)3)2.
ChemInform Abstract: Enantioselective Syntheses of 2‐Arylpropanoic Acids: (S)‐2‐Phenylpropanoic Acid.
Authors: COGHLAN D. R. , HAMON D. P. G. , MASSY‐WESTROPP R. A. , SLOBEDMAN D.
Published: May 2016

The synthesis of the title compound (III), an intermediate for the preparation of optically active Ibuprofen, is described with the Sharpless epoxidation of the enol (I) and subsequent benzylic hydrogenolysis of the epoxide (II) as key steps.
ChemInform Abstract: New Aspects of Platinum‐Catalyzed Hydrosilylation of Disilylethynes.
Authors: SUZUKI T. , LO P. Y.
Published: May 2016

The Pt(0)‐catalyzed hydrosilylations of the silylethynes (I) and (II) at 130‐150 °C are investigated using high molecular weight organosilicon hydrides.
ChemInform Abstract: Electrochemical Coupling of Activated Olefins and Alkyl Dihalides: Formation of Cyclic Compounds.
Authors: LU Y.‐W. , NEDELEC J.‐Y. , FOLEST J.‐C. , PERICHON J.
Published: May 2016

The activated alkenes (I) are electrochemically coupled with the dihaloalkanes (II) to give the corresponding cyclization products (III).
ChemInform Abstract: Oxidation of 1‐ and 2‐Acetylnaphthalenes by Iodate ‐ A Kinetic Study.
Authors: MANIKYAMBA P.
Published: May 2016

A mechanism is proposed via attack of IO2+ on the enol form of acetylnaphthalene forming an intermediate carbonium ion, which gives the corresponding ω‐hydroxyacetylnaphthalene as product.
ChemInform Abstract: Enantioselective Hydrogenation of Olefins with Homogeneous Ziegler‐Natta Catalysts.
Authors: WAYMOUTH R. , PINO P.
Published: May 2016

Ziegler‐Natta systems derived from (Al(CH3)‐O‐)n and (‐)‐(ethylenebis(4,5,6,7‐tetrahydro‐1(R)‐indenyl))zirconium derivatives are used as catalysts in studies of the hydrogenation of the olefins (I)‐(III).
ChemInform Abstract: Reaction of Nitronium Tetrafluoroborate with 4‐Acyloxy‐2‐methyl‐1‐butenes.
Authors: MURSAKULOV I. G. , AZIMZADE A. A. , TALYBOV A. G. , ASLANOVA M. R.
Published: May 2016

The reaction specified in the title affords separable mixtures of the fluoronitro derivatives (III) and the hydroxynitro derivatives (IV), which are formed via unstable 1,3‐dioxane derivatives, which can be detected by low‐temp.
ChemInform Abstract: Alcohols as Sources of Hydrogen in Hydroformylation of Alkenes.
Authors: MACDOUGALL J. K. , COLE‐HAMILTON D. J.
Published: May 2016

Heating hex‐1‐ene in the presence of alcohols, CO and (RhH(PEt3)3) gives heptanol and 2‐methoxyhexanol as the major products.
ChemInform Abstract: Effect of Cation, Temperature, and Solvent on the Stereoselectivity of the Horner‐Emmons Reaction of Trimethyl Phosphonoacetate with Aldehydes.
Authors: THOMPSON S. K. , HEATHCOCK C. H.
Published: May 2016

The Horner‐Emmons reaction of the phosphonoacetate (I) with isobutyraldehyde (II) yields an E/Z‐mixture of the α,β‐unsaturated esters (III) and (IV).
ChemInform Abstract: Inhibition of γ‐Butyrobetaine Hydroxylase by Cyclopropyl‐Substituted γ‐Butyrobetaines.
Authors: PETTER R. C. , BANERJEE S. , ENGLARD S.
Published: May 2016

Starting with phosphonates such as (I) or (IX), cyclopropyl‐substituted γ‐butyrobetaines, e.g. (VIII) or (X), are prepared.
ChemInform Abstract: Acylation and Acylamidation of Cyclic Dienes.
Authors: GRIDNEV I. D. , BALENKOVA E. S. , BUEVICH A. V.
Published: May 2016

The acylation of norbornadiene (I) and 1,5‐cyclooctadiene (XIII) using acetyl tetrafluoroborate (II) or pivaloyl tetrafluoroborate (V) as the acylating agents and the acylamidation of these dienes using complexes of the derivatives (II) or (V) with MeCN (IX) is determined by the nature of the acylating agents.
ChemInform Abstract: Synthesis of Trishomohypostrophene, Trishomohypostrophenone, Trishomopentaprismane, and Trishomopentaprismanone.
Authors: SKUBALLA N. , MUSSO H. , BOLAND W.
Published: May 2016

The pentacyclic hydroxydicarboxylic acid diester (I), prepared in a known manner from cyclopentadiene, ethyl formate, and dimethyl acetylenedicarboxylate, is converted to the acetal (III) which is rearranged to form the isomeric diester (IV).