bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Total Synthesis of the Tumor‐Associated LeX Family of Glycosphingolipids.
Authors: NICOLAOU K. C. , CAULFIELD T. J. , KATAOKA H. , STYLIANIDES N. A.
Published: May 2016

Glycosphingolipids carrying the Lewis antigen X (LeX) determinant (Gal‐β‐1 → 4‐(Fuc‐α‐1 → 3)‐GlcNAc) are known to accumulate in a wide variety of human cancers and are identified as embryonic antigens maximally expressed at the morula stage.
ChemInform Abstract: Chemistry of Tricarbonyl Hemiketals and Application of Evans′ Technology to the Total Synthesis of the Immunosuppressant (‐)‐FK‐506.
Authors: JONES T. K. , REAMER R. A. , DESMOND R. , MILLS S. G.
Published: May 2016

The title compound (XI), isolated from Streptomyces tsukubaensis, shows an immunosuppressive potency that is superior to that of cyclosporin A. Model reactions for the construction of the tricarbonyl region of (XI) are carried out and their use in designing a successful route to (XI) is shown in the scheme.
ChemInform Abstract: Efficient Oxidation of Phenyl Groups to Carboxylic Acids with Ruthenium Tetraoxide. A Simple Synthesis of (R)‐γ‐Caprolactone, the Pheromone of Trogoderma granarium.
Authors: NUNEZ M. T. , MARTIN V. S.
Published: May 2016

Ruthenium tetroxide, prepared in situ by oxidation of RuCl3 with HIO4, is a useful reagent for the degradation of phenyl compounds such as (I) to form the corresponding carboxylic acids, e.g. (II).
ChemInform Abstract: Growth and Properties of LPCVD Titanium Nitride as a Diffusion Barrier for Silicon Device Technology.
Authors: SHERMAN A.
Published: May 2016

Chemical vapor deposition of TiN on Si wafers is carried out in a cold wall reactor at pressures in the range 100‐300 mtorr and temp. between 450 °C and 700 °C using TiCl4 and NH3 as reactants.
ChemInform Abstract: Thermally Stable, Low‐Leakage Self‐Aligned Titanium Silicide Junctions.
Authors: YOSHIDA T. , OGAWA S. , OKUDA S. , KOUZAKI T. , TSUKAMOTO K.
Published: May 2016

It is found that the thermal stability of TiSi2 films formed on single‐crystalline Si depends on the processing conditions used for film preparation.
ChemInform Abstract: Structure of Dipotassium Aquadioxotetraperoxodivanadate(V) Trihydrate.
Authors: LAPSHIN A. E. , SMOLIN YU. I. , SHEPELEV YU. F. , SCHWENDT P. , GYEPESOVA D.
Published: May 2016

Single crystals of the title compound are obtained from the reaction of KVO3 in 15% H2O2 at 273 K. K2(V2O2(O2)4(H2O))·3 H2O crystallizes in the triclinic space group P1 with Z=1.
ChemInform Abstract: Preparation and Preliminary Study of Mixed‐Valence Diphosphate Fe3(P2O7)2, First Example of Trigonal Prismatic Fe2+ Coordination in an Oxide.
Authors: IJJAALI M. , VENTURINI G. , MALAMAN B. , GLEITZER C.
Published: May 2016

The title compound is prepared by annealing a stoichiometric mixture of either Fe2P2O7 and Fe4(P2O7)3 or FePO4 and Fe2P4O12 at 900 °C for at least 15 h (evacuated silica tube).
ChemInform Abstract: Catalytic Asymmetric Glyoxylate‐Ene Reaction: A Practical Access to α‐Hydroxy Esters in High Enantiomeric Purities.
Authors: MIKAMI K. , TERADA M. , NAKAI T.
Published: May 2016

An efficient asym.
ChemInform Abstract: Difluoropropadienone as a Source of Difluorovinylidene and Difluorodiazoethene.
Authors: BRAHMS J. C. , DAILEY W. P.
Published: May 2016

Broad‐band irradiation of dienone (I) with excess isopentane (gas phase) yields all four possible C‐H insertion products with a selectivity of the intermediate CF2=C: toward the various C‐H bonds, which is slightly better than that of singlet :CH2.
ChemInform Abstract: Hydrocarbon Oxidation by Antimony Pentafluoride.
Authors: CULMANN J.‐C. , SOMMER J.
Published: May 2016

When isobutane is mixed at ‐80 °C with excess SbF5 in SO2ClF at ‐80 °C and the temp. is raised to ‐30 °C, the reaction observed is: 2 Me3CH + SbF5 → 2 tBu+ + 2 F‐ + SbF3 + H2.
ChemInform Abstract: Rhodium‐Catalyzed Synthesis of Threefold Substituted Olefins from Ethene Derivatives and Diazoalkanes.
Authors: WOLF J. , BRANDT L. , FRIES A. , WERNER H.
Published: May 2016

The rhodium‐catalyzed reaction of diazoalkanes such as (I), (IV) or (VI) with the alkenes (II) or (VIII) yields the title compounds (III), (V), (VII) and (IX) with turnover numbers in the range between 15 and 460, depending on the solvent used and the nature of substituents.
ChemInform Abstract: Claisen Rearrangement of 4‐Propargyloxycoumarins: Formation of 2H,5H‐Pyrano(3,2‐c)(1)benzopyran‐5‐ones.
Authors: RAO C. P. , SRIMANNARAYANA G.
Published: May 2016

The 4‐propargyloxycoumarins (III), prepared by etherification of the hydroxycoumarins (I), undergo cyclization upon heating in toluene or xylene, producing the pyranobenzopyranones (IV).
ChemInform Abstract: Conversion of Lactones to the Higher Homologous α,β‐Unsaturated Lactones via Hypervalent Iodine Oxidation of 1‐Trimethylsilyloxy‐2‐oxa‐(n.1.0)cycloalkanes.
Authors: MORIARTY R. M. , VAID R. K. , HOPKINS T. E. , VAID B. K. , PRAKASH O.
Published: May 2016

The 1‐trimethylsiloxy‐2‐oxabicyclo(n.1.0)alkanes (I) react with iodosylbenzene and tetrabutylammonium fluoride to yield the unsaturated lactones (II) via O‐desilylation and ring‐expansion.
ChemInform Abstract: Pentacoordinate Silicon Compounds. Reactions of Silatranes with Nucleophiles.
Authors: CERVEAU G. , CHUIT C. , CORRIU R. J. P. , NAYYAR N. K. , REYE C.
Published: May 2016

As demonstrated for the example hydro‐, alkyl‐, alkenyl‐, chloro‐ and bromosilatranes react with organo‐Li and organo‐Mg reagents with substitution involving always cleavage of equatorial Si‐O bonds.
ChemInform Abstract: Synthesis, Reactions, and X‐Ray Crystal Structure Determinaton of Cp2Hf(isobutylene)·PMe3.
Authors: BUCHWALD S. L. , KREUTZER K. A. , FISHER R. A.
Published: May 2016

In order to probe the differences in structure and reactivity between complexes of Zr and Hf, the preparation of (VII), its reactions and its X‐ray structure (data not given) are reported.
ChemInform Abstract: Formation of Alkoxy‐Derived Lead Niobates in the PbO‐Rich Region.
Authors: YAMAGUCHI O. , MUKAIDA Y.
Published: May 2016

Amorphous lead niobate materials are prepared by simultaneous hydrolysis of (iPrO)5Nb and (iPrO)2Pb and their crystallization is studied by XRD, TGA, and DTA.
ChemInform Abstract: The Nitration of Pivalophenone with Nitronium Tetrafluoroborate in Sulfolane.
Authors: ZIEGER H. E. , LEE B.
Published: May 2016

The nitration of pivalophenone (I) with NO2BF4 (II) in aprotic medium gives the o‐, m‐ and p‐nitropivalophenones (III)‐(V) in a ratio similar to that observed in HNO3.
ChemInform Abstract: Asymmetric Synthesis in Carbon‐Carbon Bond Forming Reactions of α‐Diazoketones Catalyzed by Homochiral Rhodium(II) Carboxylates.
Authors: KENNEDY M. , MCKERVEY M. A. , MAGUIRE A. R. , ROOS G. H. P.
Published: May 2016

Rhodium(II)‐catalyzed denitrogenation and cyclization of the α‐diazoketone (I) produces the optically active bicyclic trienone (II) which is reduced with lithium tri(tert‐butoxy)aluminum hydride, forming the isomeric alcohols (III).
ChemInform Abstract: Synthesis of 1,2,3‐Trisubstituted and 1,2,2,3‐Tetrasubstituted Aziridines from α‐Chloroketimines.
Authors: DE KIMPE N. , MOENS L.
Published: May 2016

The α‐chloroketimines (I), (IV) or (VI) react with LiAlH4 to give the aziridines (II), (III), (V) or (VII).
ChemInform Abstract: New Entry to the Perhydrofuro(2,3‐b)furan Ring System.
Authors: KIDO F. , SINHA S. C. , ABIKO T. , WATANABE M. , YOSHIKOSHI A.
Published: May 2016

The unsaturated diazo diesters (II), prepared from phenyl propargyl sulfide (I) via reaction with epoxides and malonic acid monoethyl ester, undergo Rh(II)‐catalyzed denitrogenation and ring closure to produce a mixture of the valerolactones (III) and (IV).
ChemInform Abstract: The Thiophene Nucleus as a Diene or a Dienophile in the Intramolecular Diels‐Alder Reaction of N‐(2‐Thienyl)allenecarboxamides.
Authors: HIMBERT G. , SCHLINDWEIN H.‐J. , MAAS G.
Published: May 2016

When the thienylallenecarboxamides (I) and (III) are heated, intramolecular cycloaddition and extrusion of sulfur take place to yield the indole derivatives (II) or (IV).
ChemInform Abstract: Synthesis of 1‐Acyl‐5‐pyrazolones and Pyrrolidino(2,3‐c)pyrazol‐3‐ones.
Authors: COCCO M. T. , CONGIU C. , MACCIONI A.
Published: May 2016

Treatment of the acetamidrazones (I) with an equimolar quantity of NaOEt causes cylocondensation to give the 1‐acyl‐3‐amino‐5‐pyrazolones (II), which exist in the enolic form given in the scheme.
ChemInform Abstract: Reaction of Oxalic Amidines with Carbonic Acid Derived Heterocumulenes to Imidazolidine Derivatives.
Authors: BECKERT R. , GRUNER M.
Published: May 2016

A useful synthetic route to nonsymmetric imidazolidine derivatives such as (III) or (IV) is described.
ChemInform Abstract: Synthesis and Photoisomerization of Sterically Hindered 2,6‐Dialkylpyridin‐N‐oxides.
Authors: WEBER H. , ROHN T.
Published: May 2016

The hitherto unknown N‐oxide (Ic) can be easily prepared by MCPBA oxidation of the pyridine (II).
ChemInform Abstract: Synthesis of Substituted Dihydrobenzo(f)pyrimido(4,5‐b)quinolines as Tetracyclic 5‐Deaza Nonclassical Folates
Authors: DONKOR I. O. , GANGJEE A. , DUAH F. K.
Published: May 2016

(i.e.
ChemInform Abstract: Synthesis of New 2′,3′‐Dideoxy‐2′,3′‐α‐fused‐heterocyclic Uridines, and Some 2′,3′‐Ene‐2′‐substituted Uridines from Easily Accessible 2′,3′‐Ene‐3′‐phenylselenonyl Uridine.
Authors: TONG W. , WU J.‐C. , SANDSTROEM A. + , CHATTOPADHYAYA J.
Published: May 2016

The synthetic utility of the 2',3'‐ene‐3'‐phenylselenonyl uridines (I) and (VII) as synthetic equivalents of a dication (CH2+‐CH2+) is demonstrated.
ChemInform Abstract: The Synthesis of Lignarenone A and Lignarenone B, Metabolites of the Mediterranean Opisthobranch Mollusc Scaphander lignarius.
Authors: BORER B. C. , TAYLOR R. J. K.
Published: May 2016

Lignarenone A (III) and B (IV) are prepared by a short and efficient synthesis.
ChemInform Abstract: The Electrochemical Insertion of Alkali Metals (Li, Na) into YBa2Cu3O7‐δ Superconductor
Authors: VONDRAK J. , JAKUBEC I. , BLUDSKA J. , SKACEL V.
Published: May 2016

is studied using voltammetry, potential step techniques, and ac impedance measurements.
ChemInform Abstract: Bonding in Boranes.
Authors: RODGER A. , COLWELL S. M. , JOHNSON B. F. G.
Published: May 2016

The fundamental differences in bonding between boron hydrides and hydrocarbons are illustrated by energetic results from MO calculations.
ChemInform Abstract: Structural Effects in the Enzymatic Resolution of 2‐Octanol.
Authors: KANERVA L. T. , VIHANTO J. , PAJUNEN E. , EURANTO E. K.
Published: May 2016

The structural effects of the alkyl component of the esters (II) employed in the enzymatic resolution of 2‐octanol (I) are investigated.
ChemInform Abstract: Iron(III)‐Induced Cleavage of Cyclic Allylic Hydroperoxides to Dicarbonyl Compounds Under Aprotic Conditions.
Authors: HAYNES R. K. , VONWILLER S. C.
Published: May 2016

Treatment of the pinene hydroperoxide (I) with iron trichloride etherate in dichloromethane leads to the formation of the keto aldehyde (II).
ChemInform Abstract: Photolysis of Triarylacetonitriles. A Novel Photochemical Generation of Phenyl(cyano)carbene.
Authors: SHI M. , OKAMOTO Y. , TAKAMUKU S.
Published: May 2016

Upon irradiation triphenylacetonitrile (I) undergoes the novel α,α‐elimination previously reported for some analogous compounds to give (III) and (IV).
ChemInform Abstract: Oxidative Coupling of Methane over Manganese Oxide Catalysts.
Authors: BURCH R. , CHALKER S. , SQUIRE G. D. , TSANG S. C.
Published: May 2016

The title reaction is carried out with several manganese oxide catalysts such as MnO, MnO2, and Mn2O3.
ChemInform Abstract: Synthesis of 4,5‐Diarylthiazole Derivatives as Blood Platelet Aggregation Inhibitors.
Authors: KONNO S. , AMANO M. , SAGI M. , YAMANAKA H.
Published: May 2016

The 2‐(methylsulfonyl)thiazole (IV), prepared as outlined in the reaction scheme, is coupled with the alkoxides (V), the amines (VII), and the activated methylene compounds (IX) to produce the corresponding substitution products (VI), (VIII), and (X).
ChemInform Abstract: Polarized Ethylenes. Part 4. Synthesis of Polarized Ethylenes Using Thioamides and Methyl Dithiocarboxylates and Their Application to Syntheses of Pyrazoles, Pyrimidines, Pyrazolo(3,4‐d)pyrimidines, and 5‐Aza(2.2.3)cyclazines.
Authors: TOMINAGA Y. , MATSUOKA Y. , ONIYAMA Y. , UCHIMURA Y. , KOMIYA H. , HIRAYAMA M. , KOHRA S. , HOSOMI A.
Published: May 2016

The title ethylenes of type (III) and (XI) are used for the preparation of heterocyclic compounds, e.g. (V), (VII), (IX) and (XIII), which may have interesting biological activities or may be used for the preparation of other heterocyclic derivatives.
ChemInform Abstract: Reactions of Boric Acid with Polydentate Ligands and Synthesis of New Boron Compounds.
Authors: DEY K. , GANGOPADHYAY A. , BISWAS A. K.
Published: May 2016

Boric acid (II) reacts with the polydentate ligands (I), (IV), and (VI), forming the tri‐(III) or tetracoordinated boron complexes (V) and (VII).
ChemInform Abstract: Hydrozirconation of Phosphaalkenes and Phosphaimines. Evidence for the Formation of P‐C‐Zr and P‐N‐Zr Three‐Membered Rings.
Authors: MAJORAL J. P. , DUFOUR N. , MEYER F. , CAMINADE A.‐M. , CHOUKROUN R. , GERVAIS D.
Published: May 2016

The trimethylsilyl‐substituted phosphaalkene (I) and the phosphaimine (VIII) react with bis(η‐cyclopentadienyl)chlorozirconium hydride (II) to produce the zirconium heterocycles (III) and (IX).
ChemInform Abstract: Synthesis and Study of a Mixed‐Ligand Ruthenium(II) Complex in Its Ground and Excited States: Bis(2,2′‐bipyridine)(dipyrido(3,2‐a:2′,3′‐c)phenazine‐N4N5)ruthenium(II).
Authors: AMOUYAL E. , HOMSI A. , CHAMBRON J.‐C. , SAUVAGE J.‐P.
Published: May 2016

The data of the maxima of the MLCT absorption and emission for the title complex (I) suggest that it is made up of two electronically independent units, one behaving as a tris(bipyridine)ruthenium‐like chromophore, the other as a phenazine‐like electron acceptor.
ChemInform Abstract: Synthesis and Crystal Structure of New Polynuclear Rhodium Complexes Formed by Reaction of Bis(η‐ethylene)(η5‐indenyl)rhodium with tert.‐Butylphospha‐acetylene.
Authors: BINGER P. , BIEDENBACH B. , MYNOTT R. , BENN R. , RUFINSKA A. , BETZ P. , KRUEGER C. +
Published: May 2016

The study reveals that reactions of phosphaalkynes such as (II) with Rh(I) compounds are more complex than with the corresponding Co(I) compounds.
ChemInform Abstract: Metallaheteroborane Chemistry. Part 7. Synthesis, Crystal Structure, and Characterization of Two Dinuclear Rhodatelluraboranes, (((PPh3)2RhTeB10H10)2) and ((PPh3)(CO)Rh2Te2B20H20).
Authors: FERGUSON G. , LOUGH A. J. , FARIDOON FARIDOON , MCGRATH M. N. , SPALDING T. R. , KENNEDY J. D. , FONTAINE X. L. R.
Published: May 2016

In order to get hybrid metal cluster‐metallaheteroboranes the reaction of (I) with the osmium cluster (II) is carried out.
ChemInform Abstract: Iridium Thioether Chemistry: The Synthesis and Structures of (IrL2)(PF6)3 and (IrHL2)(PF6)2 (L: 1,4,7‐trithiacyclononane).
Authors: BLAKE A. J. , GOULD R. O. , HOLDER A. J. , HYDE T. I. , REID G. , SCHROEDER M. +
Published: May 2016

The hydrido complex (III) crystallizes as its hexafluorophosphate‐bis‐nitromethane solvate in the space group Cc with Z=4.
ChemInform Abstract: Synthesis of 1,2,4‐Triazolo(2,3‐c)pyrimidin‐5(6H)‐one Nucleosides and Their Antileishmanial Activity.
Authors: SINGH K. , HASAN A. , PRATAP R. , GURU P. Y. , BHAKUNI D. S.
Published: May 2016

The O‐silylated triazolo(2,3‐c)pyrimidinone (I) is coupled with the protected ribofuranose (II) to give the nucleoside (IIIa) which is converted to the deprotected derivative (IIIb).
ChemInform Abstract: Wet Chemical Passivation of YBa2Cu3O7‐x
Authors: VASQUEZ R. P. , HUNT B. D. , FOOTE M. C.
Published: May 2016

is performed by immersion of the superconductor in dilute solutions of HI, H2SO4, Na2S, HF, or H2C2O4 and the resulting passive layers are studied by XPS.
ChemInform Abstract: The Influence of the Pretreatment of Powder on the Resulting Properties of LaNi5 Electrodes.
Authors: BOONSTRA A. H. , BERNARDS T. M. N.
Published: May 2016

Hydrogen absorption/desorption cycling of LaNi5 is found to result in an increase in the specific surface area and a decrease of the hydrogen absorption capacity.
ChemInform Abstract: On K(Mo4O6).
Authors: HOFFMANN R. , HOPPE R. , BAUER K. , RANGE K.‐J.
Published: May 2016

The normal pressure modification KMo4O6‐I is prepared by reaction of KO2 in a molybdenum cylinder at 1080 °C (heating rate of 100 °/h, 21 d at 1080 °C, quenching).
ChemInform Abstract: Competitive (4 + 2) and (3 + 2) Cycloadditions of Nitrosoalkenes to the Imino Bond of Bicyclic 1,2‐Oxazines.
Authors: LAI E. C. K. , MACKAY D. , TAYLOR N. J. , WATSON K. N.
Published: May 2016

The reaction of 2,5‐dimethylfuran with nitrosostyrene (IIa) is investigated with the hope to detect the adduct (X).
ChemInform Abstract: Formation of δ4‐Oxocenes from Lewis Acid Promoted Cyclizations of 5‐Hexenyl Acetals. Evidence for a Concerted Ene Cyclization Mechanism.
Authors: BLUMENKOPF T. A. , LOOK G. C. , OVERMAN L. E.
Published: May 2016

Both the intermolecular (kinetic) and intramolecular (product) hydrogen‐deuterium isotope effects are determined for the formation of the oxocenes (II) or (III), resp., from the SnCl4‐promoted cyclization of the acetals (Ia), (Ib), or (Ic).
ChemInform Abstract: Synthesis of Oxygenated Compounds from Carbon Monoxide and Hydrogen Through Addition of Substituted Acetylenes.
Authors: SLIVINSKY E. V. , RUMYANTSEV V. YU. , VOITSEKHOVSKY YU. P. , ZVEZDKINA L. I. , LOKTEV S. M.
Published: May 2016

The addition of phenylacetylene (I) to synthesis gas leads to an appreciable increase in the activity of the catalyst, i.e. modified Fe3O4, and to the formation of alcohols such as (III) and (IV), hydrocarbons such as (V), (VI), (VII) and its analogues up to octylbenzene, and aldehydes such as (VIII) and its analogues.
ChemInform Abstract: Investigations of the Metal Halide Catalyzed Alkylation Reactions of Pentaborane(9).
Authors: GAINES D. F. , LEE L. K.
Published: May 2016

Comparison studies of the effect of various catalysts (AlCl3, FeCl3, TbCl5, TaCl5, HfCl4) and reaction conditions on the catalyzed propylation reaction show that the use of the early‐transition‐metal halides HfCl4 and ZrCl4 allows a high‐yield route to (III).
ChemInform Abstract: Hydrogen Iodide Strategy for One‐Pot Preparation of Allylic Azides, Nitriles, and Phenyl Sulfones from Allylic Alcohols.
Authors: KANAI T. , KANAGAWA Y. , ISHII Y.
Published: May 2016

Allylic alcohols such as (I) are converted by in situ generated hydrogen iodide to the corresponding iodides.
ChemInform Abstract: Acetylation of 2‐C‐Benzyl‐L‐lyxo‐3‐hexulosono‐1,4‐lactone.
Authors: KINOSHITA T. , YOSHIDA N. , MIWA T.
Published: May 2016

Acetylation of the title compound (I) affords an unexpected product, the "open form" lactone diacetate (III) along with the expected "closed form" lactone triacetate (IV).
ChemInform Abstract: Electron Transfer Between Covalently Linked Porphyrin and Quinone Units: Synthesis, Magnetic Resonance, and Picosecond Fluorescence Spectroscopy.
Authors: VON GERSDORFF J. , HUBER M. , SCHUBERT H. , NIETHAMMER D. , KIRSTE B. , PLATO M. , MOEBIUS K. + , KURRECK H. , EICHBERGER R. , KIETZMANN R. , WILLIG F.
Published: May 2016

Quinones, covalently linked with porphyrin, like (I) are suitable for investigating light‐induced charge separation in the primary process of photosynthesis.
ChemInform Abstract: Antifertility Agents. Synthesis of Yuehchukene Analogues: 6β‐(Indol‐3‐yl)‐9,12‐dimethyl‐6,7,10,11‐tetrahydro‐7,11‐methano‐5H‐(b)indo# le and 6β‐(Indol‐3‐yl)‐9,12‐dimethyl‐6,7,8,11‐tetrahydro‐7,11‐methano‐5H‐cyclo‐oc# t(b)indole.
Authors: CHENG K.‐F. , CHAN T.‐Y. , WONG T.‐T. , LAI T.‐F.
Published: May 2016

The title compounds (XI) and (XIII) are prepared, via the intermediates (IX) and (XII) (both space group P21/n with Z=4), in order to test their biological activity.
ChemInform Abstract: In situ Measurements of Tropospheric OH Radicals ‐ A Challenge for the Experimentalist.
Authors: ARMERDING W. , HERBERT A. , SCHINDLER T. , SPIEKERMANN M. , COMES F. J.
Published: May 2016

The method developed for quantitative measurements of tropospheric OH radicals is based on the differential optical absorption spectroscopy with fast scanning of a narrowband, frequency‐doubled and power‐stabilized dye laser.
ChemInform Abstract: Observation of a Remarkable Dependence of the Rate of Singlet‐Singlet Energy Transfer on the Configuration of the Hydrocarbon Bridge in Bichromophoric Systems.
Authors: KROON J. , OLIVER A. M. , PADDON‐ROW M. N. , VERHOEVEN J. W.
Published: May 2016

Intramolecular singlet energy transfer is detected via time‐resolved emission spectroscopy (fluorescence lifetimes, quantum yields, energy transfer rates, solvent effects) in the series (I)‐(III) where the chromophore Z and the carbonyl chromophore are separated by extended all‐trans arrays of up to eight C‐C σ bonds (in (III)).
ChemInform Abstract: Reaction of Diphenacylphenylphosphine Oxide with o‐Phenylenediamine.
Authors: NASEDKIN A. V. , KALINOV S. M. , KAMINSKII V. A. , VYSOTSKII V. I.
Published: May 2016

Reaction of diphenacylphenylphosphine oxide (I) and o‐phenylenediamine (II) catalyzed by p‐toluenesulfonic acid produces predominantly 2‐phenylbenzimidazole (III), together with the phosphine oxide (IV) and, by dehydration of (I), the oxaphosphorin (V) as by‐products.
ChemInform Abstract: Gas‐Phase Oxygenation of Benzene Derivatives Around 300 K with O(3P) Atoms Produced by Microwave Discharge of N2O. Part 2. Kinetic H/D Isotope Effects.
Authors: SOL V. M. , LOUW R. , MULDER P.
Published: May 2016

The addition of a ground‐state atomic oxygen leads to the main phenol isomers (II)‐(IV); 69% of the p‐isotopomer is undeuterated (V).
ChemInform Abstract: Application of Elementoorganic Compounds of 15th and 16th Groups in Organic Synthesis. Part 82. An Efficient SbCl3‐Metal System for Allylation, Reduction and Acetalization of Aldehydes.
Authors: WANG W.‐B. , SHI L.‐L. , HUANG Y.‐Z.
Published: May 2016

A novel and highly efficient method of allylation, reduction and acetalization of aldehydes is described, which works under very mild conditions.
ChemInform Abstract: Chiral Building Blocks for the Synthesis of N‐Containing Natural Products. Part 3. Enantiomerically Pure N‐Boc Protected β‐Keto γ‐Amino Acid Esters from Simple Keto Precursors. A Novel, Stereocontrolled Approach to Statine Derivatives with Any Desired Configuration.
Authors: BRINGMANN G. , KUENKEL G. + , GEUDER T.
Published: May 2016

Reaction of the isovalerophenone (I) with (S)‐1‐phenylethylamine (II) and subsequent hydrogenation result in the formation of the chiral secondary amine (III) which is deprotected, yielding the optically active primary amine (IV).
ChemInform Abstract: Palladium‐Catalyzed Coupling Reactions of (α‐Ethoxyvinyl)trimethylstannane with Vinyl and Aryl Triflates.
Authors: KWON H. B. , MCKEE B. H. , STILLE J. K.
Published: May 2016

Vinyl triflates such as (I) undergo Pd(0)‐catalyzed cross‐coupling reaction with the stannane (II) to yield dienes such as (III) which are hydrolyzed to give α,β‐unsaturated ketones such as (IV).
ChemInform Abstract: Preparation of E‐α,β‐Unsaturated Aromatic Aldehydes by High Stereoselective Olefinformylation.
Authors: GAUDEMAR M. , BELLASSOUED M.
Published: May 2016

The imine (I) is consecutively treated with two equivalents of each LDA and trimethylchlorosilane (II) to give the bissilylated compound (III) which reacts with the benzaldehyde (IVa), forming the azadienes (V).
ChemInform Abstract: cis‐2‐Lithiated Enol Ethers: Preparation and Reactions with Electrophiles.
Authors: BARLUENGA J. , RODRIGUEZ M. A. , CAMPOS P. J.
Published: May 2016

Treatment of the iodo(isopropoxy)phenylalkenes (I) with organolithium compounds results in lithiation to form 1‐lithio‐1‐alkenes which are stereoselectively substituted with the electrophiles (II), producing the vinyl ethers (III).
ChemInform Abstract: Synthesis and Inhibitory Activity of Bromoquinone Derivatives.
Authors: GU L. , LIU C. , XU J. , KING T. E.
Published: May 2016

According to an earlier report, 2,5‐dibromo‐3‐methyl‐6‐isopropyl‐1,4‐benzoquinone has inhibitory activity against b6‐f and b‐c1 complexes.
ChemInform Abstract: Acid‐Catalyzed Hydrolysis of Methoxymethyl Phenyl Sulfoxide Without Concomitant Racemization.
Authors: OKUYAMA T. , TOYODA M. , FUENO T.
Published: May 2016

The title sulfoxide (I) is hydrolyzed to give the thiosulfinate (II).
ChemInform Abstract: Highly Selective Oxidative Cross‐Coupling of Substituted 2‐Naphthols: A Convenient Approach to Unsymmetrical 1,1′‐Binaphthalene‐2,2′‐diols.
Authors: HOVORKA M. , GUENTEROVA J. + , ZAVADA J.
Published: May 2016

Oxidative coupling of the hydroxynaphthalenecarboxylate (I) with the β‐naphthols (II) is induced by copper(II) ‐ amine complexes to give predominantly the unsymmetrical products (III).
ChemInform Abstract: Novel 1‐Substituted 2,3‐Dihydro‐1H‐isoindoles: Synthesis via Meyers′ Methodology.
Authors: BEELEY L. J. , ROCKELL C. J. M.
Published: May 2016

2,3‐Dihydro‐1H‐isoindoline (I) reacts with the formamidine (II) to give the 2‐iminomethyl derivative (III).
ChemInform Abstract: (1,4) and (5,5) Thermal Sigmatropic Rearrangements of 2‐Pentadienyloxypyridine N‐Oxides.
Authors: ALKER D. , OLLIS W. D. , SHAHRIARI‐ZAVAREH H.
Published: May 2016

The product ratio of (IIa)/(IIIa) is greatly influenced by the solvent (in Cl2C=CCl2 95:5, in water 2:98).
ChemInform Abstract: Synthesis, Structure and Reactivity of Bis(N‐aryl‐iminophosphoranyl)methanes. X‐Ray Crystal Structures of (4‐CH3‐C6H4‐N=PPh2)2CH2 and (4‐NO2‐C6H4‐N=PMe2)2CH2.
Authors: IMHOFF P. , VAN ASSELT R. , ELSEVIER C. J. , VRIEZE K. , GOUBITZ K. , VAN MALSSEN K. F. , STAM C. H.
Published: May 2016

The methylene group of (IIIa) can be metalated by BuLi or NaH.
ChemInform Abstract: Preparation of Pentahalogeno‐methyl‐ and ‐phenylantimonates(V), Trihalogenomethylantimonates(III), and Tetrahalogenophenylstiboranes.
Authors: WIEBER M. , WALZ J.
Published: May 2016

The title compounds of the type (III), (V), (VII), and (XI) are obtained from the corresponding methyl‐ and phenyl‐antimony dihalides (I), (VI), and (VIII) by reaction with halide salts such as (II) and subsequent with SO2Cl2 (IV) or Br2, or corresponding one‐pot reactions according to the scheme.
ChemInform Abstract: Unexpected Cleavage of Acetylacetone Induced by Yttrium Oxoisopropoxide: Synthesis and Molecular Structure of Y2(μ2‐OAc)2(acac)4(H2O)2.
Authors: PONCELET O. , HUBERT‐PFALZGRAF L. G. , DARAN J.‐C.
Published: May 2016

The reaction between the yttrium derivative (I) and acetylacetone (II) proceeds with complete substitution of the isopropoxo groups.
ChemInform Abstract: Reaction of Ethoxytitanium Chlorides with N,N,N′‐Tris(trimethylsilyl)phosphenimidous Amide.
Authors: BRUSILOVETS A. I.
Published: May 2016

Reaction of the phosphenimidous amide (I) with the ethoxytitanium chlorides (II) gives the titanium chelates (III).
ChemInform Abstract: Pseudo‐Sugars. Part 26. Synthesis of Some Anhydro Derivatives of DL‐1‐C‐Hydroxymethyl‐1,2,3,4,5,6‐cyclohexanehexol.
Authors: OGAWA S. , URAKAWA M. , TONEGAWA T.
Published: May 2016

The synthesis of the three stereoisomeric title compounds (VIII), (IX) and (XI) is described.
ChemInform Abstract: Perchlorate Compounds of Tungsten(VI).
Authors: BABAEVA V. P. , ROSOLOVSKII V. YA.
Published: May 2016

The reaction between WCl6 (I) and HClO4 (II), conducted at ‐5 °C, yields WO(ClO4)4 (III) instead of W(ClO4)6.
ChemInform Abstract: Synthetic Aspects of an Asymmetric Nitrogen‐Insertion Process: Preparation of Chiral, Non‐Racemic Caprolactams and Valerolactams. Total Synthesis of (‐)‐Alloyohimbane.
Authors: AUBE J. , WANG Y. , HAMMOND M. , TANOL M. , TAKUSAGAWA F. , VANDER VELDE D.
Published: May 2016

A general route to the synthesis of optically active lactams with use of an asym.
ChemInform Abstract: Base Hydrolysis of αβ‐Nitro‐, Azido‐ and Isothiocyanato‐(1,9‐bis(2′‐pyridyl)‐2,5,8‐triazanonane)‐ and (1,11‐Bis(2′‐Pyridyl)‐2,6,10‐triazaundecane)‐cobalt(III) Cations. Departure from First‐Order Hydroxide Dependence.
Authors: AHMED E. , TOBE M. L. , HUMANES M.
Published: May 2016

The rate law for the displacement of NO2 in (I) and NCS in (IIa) by OH in aqueous solution is found to depart from the usual first‐order dependence on (OH‐) at (OH‐) > 0.01 mol dm‐3. Reasons for this anomaly are discussed.
ChemInform Abstract: Cobalt Carbonyl‐Mediated Michael Addition: Direct Synthesis of Esters Containing Other Functional Groups from Activated Olefins.
Authors: SISAK A. , UNGVARY F. , MARKO L.
Published: May 2016

The cobalt‐catalyzed alkoxycarbonylation of acrylonitrile (I) with carbon monoxide (III) and the alcohols (II) produces the dicyanobutanoic acid derivatives (VI) as the main products.
ChemInform Abstract: Synthesis of 2‐Methylene‐1,3‐dioxygenated Cyclopentanes and Cyclopentenes.
Authors: CHANTARASIRI N. , DINPRASERT P. , THEBTARANONTH C. , THEBTARANONTH Y. , YENJAI C.
Published: May 2016

Oxidation of the spirocyclopentenones (I) with a peracid such as MCPBA and subsequent treatment of the intermediate epoxides with triethylamine yield a mixture of the spiroketols (II) and (III) which is oxidized with pyridinium dichromate, forming the spirocyclopentenediones (IV).
ChemInform Abstract: A Convenient Methodology for the Selective Reduction of Carboxylic Acids with Benzyltriethylammonium Borohydride ‐ Chlorotrimethylsilane.
Authors: DAS J. , CHANDRASEKARAN S.
Published: May 2016

The title reaction produces selectively primary alcohols such as (II).
ChemInform Abstract: Synthesis and Cytotoxic Activity of 5(6)‐Amino‐2‐(5′(6′)‐benzimidazolyl)benzimidazoles.
Authors: SOKOLOVA N. YU. , KUZNETSOV V. A. , GARABADZHIU A. V. , GINZBURG L. F. , DOBRYNIN YA. V. , NIKOLAEVA T. G. , FIN'KO V. E. , IVANOVA T. P.
Published: May 2016

4‐Dialkylamino‐substituted o‐phenylenediamines, prepared in situ from the diaminonitrobenzenes (I), react with the imidic acid ester hydrochlorides (II) to give the benzimidazoles (III).
ChemInform Abstract: The Synthesis and Structure of Chiral Di‐N‐(p‐toluenesulfonyl) Diazacoronands Derived from L‐Tartaric Acid.
Authors: JURCZAK J. , OSTASZEWSKI R. , ANDREETTI G. D. , CALESTANI G.
Published: May 2016

In a modified Richmann‐Atkins procedure, the chiral bistosylate (I) and the bissulfonamides (II) undergo cyclization reaction in the presence of a base to produce the chiral di‐N‐sulfonyl diazacoronands (III).
ChemInform Abstract: Nucleotide Base Recognition: Synthesis of Artificial Receptors Containing Two Distinct Binding Regions for the Complexation of Bisthymine Derivatives.
Authors: HAMILTON A. D. , LITTLE D.
Published: May 2016

The diacid chloride (I) is coupled with 4‐propargyloxy‐2,6‐diaminopyridine (II) under high dilution conditions to give the macrocyclic dicarboxamide (III).
ChemInform Abstract: An Improved Preparation of Enamines of Acylsilanes, a New Synthesis of Acylsilanes.
Authors: PICARD J. P. , AIZPURUA J. M. , ELYUSUFI A. , KOWALSKI P.
Published: May 2016

The use of HMPA as a solvent instead of the previously used THF allows the high yield synthesis of enamines of acylsilanes such as (III) from the cyanohydrins (I) by reductive silylation.
ChemInform Abstract: Cyclic Compounds Made of Phosphorus, Carbon, and Sulfur.
Authors: BRAUN R. , FLUCK E.
Published: May 2016

Reactions of P4S10 (II) with an excess of tert. amines such as (I) or tribenzylamine lead to corresponding ammonium salts (III) and (IV) of dithiadiphosphorinan disulfide compounds.
ChemInform Abstract: Acetylene Complexes of Titanocene as Parent Compounds for Five‐Membered Titanacycles.
Authors: ALT H. G. , HERRMANN G. S.
Published: May 2016

As shown for CO2, (IV) reacts also with acetone, acetaldehyde and ethylene, analogously to (I), to form the corresponding metallacycles.
ChemInform Abstract: X‐Ray Crystallographic and NOE Studies on the Conformation of Periplanones and Their Analogues.
Authors: MORI M. , OKADA K. , SHIMAZAKI K. , CHUMAN T. , KUWAHARA S. , KITAHARA T. , MORI K.
Published: May 2016

The 1H NMR data of the periplanone analogues (III)‐(V) are given.
ChemInform Abstract: XPS and EXAFS Studies of the Reactions of Co(III) Ammine Complexes with GaAs Surfaces.
Authors: TUFTS B. J. , ABRAHAMS I. L. , CALEY C. E. , LUNT S. R. , MISKELLY G. M. , SAILOR M. J. , SANTANGELO P. G. , LEWIS N. S. , ROE A. L. , HODGSON K. O.
Published: May 2016

The chemisorption of Co(II) and Co(III) complexes onto GaAs surfaces is investigated by a combination of XPS, X‐ray absorption spectroscopy, and radiotracer techniques.
ChemInform Abstract: Homolytic Reactions of Ligated Boranes. Part 14. ESR Studies of Ring Opening of Cycloalkylaminyl‐Borane Radicals and Reactions of Aminyl‐Borane Radicals with Silicon‐Containing Compounds.
Authors: JOHNSON K. M. , KIRWAN J. N. , ROBERTS B. P.
Published: May 2016

Aminyl‐borane radicals (II) are generated photochemically from amine‐boranes such as (I) either in cyclopropane/oxirane or in tBuOH/tert.‐pentyl alcohol.
ChemInform Abstract: Copper(II)‐Mediated Aromatic Hydroxylation by Trimethylamine N‐Oxide.
Authors: REINAUD O. , CAPDEVIELLE P. , MAUMY M.
Published: May 2016

Treatment of N‐benzoyl‐2‐methylalanine (I) with trimethylamine N‐oxide, copper powder (II), and oxygen leads to the formation of the cyclic copper(II) salt (III) which is subjected to acidic hydrolysis, producing N‐(2‐hydroxybenzoyl)‐2‐methylalanine (IV).
ChemInform Abstract: Synthesis, Acid‐Base, and Complexing Properties of 2‐Hydroxy‐N,N,N′,N′‐tetrakis(2‐aminoethyl)‐1,3‐diaminopropaneoctaacetic Acid.
Authors: YASHUNSKII V. G. , TIKHONOVA L. I. , SAMOILOVA O. I. , FOMINOVA O. S. , KHRYASHCHEVA L. A. , SMIRNOVA S. V.
Published: May 2016

The dichloropropanol (II) is coupled with N,N''‐dibenzylidenediethylenetriamine (I) to give the tetrakis(2‐aminoethyl)diaminopropane (III) after acidic work‐up.
ChemInform Abstract: Vinyl Ethers Containing an Epoxy Group. Part 20. Reaction of Epichlorohydrin with Dithiocarbamates.
Authors: NEDOLYA N. A. , DYMCHENKO V. I. , YANILKINA R. L.
Published: May 2016

The reaction of the dithiocarbamates (I) with epichlorohydrin (II) in molar proportions yields the thiiranyl esters (III); former results regarding (Ia) are revised.
ChemInform Abstract: Synthesis and Antiviral Activity of N‐Alkyl‐3‐cyano‐2‐pyridones and 3‐Cyano‐2‐alkoxypyridines.
Authors: KUL'NEVICH V. G. , KAIGORODOVA E. A. , ARUSTAMOVA I. S. , KOROBCHENKO L. V. , VLADYKO G. V. , BOREKO E. I.
Published: May 2016

Alkylation of the pyridone (I) with the halides (II) gives the N‐substituted pyridones (III) and, from (I) and allyl chloride (IId), the allyloxypyridine (IVd).
ChemInform Abstract: C‐Pivot Lariat Ethers Bearing an Electron‐Donating Side Arm as Li+‐Selective Extractants.
Authors: WAKITA R. , YONETANI M. , NAKATSUJI Y. , OKAHARA M.
Published: May 2016

Intramolecular bromoalkoxylation of the 2‐methylallyl ethers (I) with NBS in the presence of lithium tetrafluoroborate produces the corresponding bromomethyl crown ethers (II) which are coupled with the alcohols (III) to prepare the corresponding alkoxymethyl derivatives (IV).
ChemInform Abstract: The Preparation of Amide Derivatives of the 3‐Azabicyclo(3.3.1)nonanes as New Potential Antiarrhythmic Agents.
Authors: ZISMAN S. A. , BERLIN K. D. , SCHERLAG B. J.
Published: May 2016

The heterocyclic ketones (I) are α,α'‐bishydroxymethylated and then directly cyclized with benzylamine (III) to form the bicyclic amines (IV).
ChemInform Abstract: The Reaction of 3‐Borolenes with Terminal Acetylenes: A New Route to 2‐Borolenes.
Authors: HERBERICH G. E. , WANG S.
Published: May 2016

A variety of 3‐substituted 4‐vinyl‐2‐borolenes such as (III) (10 examples) are regiospecifically obtained from the title reaction.
ChemInform Abstract: Regiochemistry of the Rearrangement of Cyclohexenyl and Cyclohexadienyl Phosphates to β‐Keto Phosphonates.
Authors: GLOER K. B. , CALOGEROPOULOU T. , JACKSON J. A. , WIEMER D. F.
Published: May 2016

Addition of the dimethylcuprate (II) to the cyclohexenone and subsequent coupling with the phosphorochloridate (III) produces the vinylic phosphate (IV).
ChemInform Abstract: The Synthesis of DL‐1‐(Hexadecanoyloxy)methyl‐ and 1‐O‐Hexadecanoyl‐inositols as Potential Inhibitors of Phospholipase C.
Authors: MASSY D. J. R. , WYSS P.
Published: May 2016

myo‐Inositol phosphates are key mediators of cellular metabolism.
ChemInform Abstract: A New Combined Purification/Phosphorylation Procedure for Oligodeoxynucleotides.
Authors: BANNWARTH W. , WIPPLER J.
Published: May 2016

The phosphoramidite (I) is synthesized, which allows the introduction of a purification handle into synthetic oligodeoxynucleotides during their synthesis on a solid support and proves to be useful in a simple purification procedure for oligodeoxynucleotides.
ChemInform Abstract: Incipient Hydrous Oxide Species as Inhibitors of Reduction Processes at Noble Metal Electrode.
Authors: BURKE L. D. , O'SULLIVAN J. F. , O'DWYER K. J. , SCANNELL R. A. , AHERN M. J. G. , MCCARTHY M. M.
Published: May 2016

The study of Au and Pt electrodes in acid and base solutions containing IO3‐, S2O82‐, or N2H4 demonstrates the important role of hydrous oxide species in noble metal electrocatalysis.
ChemInform Abstract: Palladium‐Catalyzed Heteroannulation of 1,3‐Dienes by Functionally Substituted Aryl Halides.
Authors: LAROCK R. C. , BERRIOS‐PENA N. , NARAYANAN K.
Published: May 2016

The ortho‐hetero‐substituted phenyl iodides (I) undergo Pd‐catalyzed heteroannulation reaction with 1,3‐dienes such as (II) to form benzo‐fused heterocycles such as (III).
ChemInform Abstract: The Use of Pearlman′s Catalyst for Selective N‐Debenzylation in the Presence of Benzyl Ethers.
Authors: BERNOTAS R. C. , CUBE R. V.
Published: May 2016

Various N‐benzylamines, e.g. (I), (III), or (V), also containing O‐benzyl are selectively N‐deprotected by hydrogenolysis in the presence of palladium(II) hydroxide on carbon.
ChemInform Abstract: Asymmetric Synthesis of Arylglycines.
Authors: WILLIAMS R. M. , HENDRIX J. A.
Published: May 2016

The coupling of the chiral diphenyloxazinone (I) with the cuprate reagent derived from lithiated benzenes such as (II) and copper bromide ‐dimethyl sulfide yields stereoselectively the arylated derivative (III) which after N‐deprotection and ring cleavage gives the desired D‐phenylglycine (V).
ChemInform Abstract: Synthesis of Dihydro‐1H‐indenes via a Formal (3 + 2)Cycloaddition of p‐Quinone Methides and Styrenes.
Authors: ANGLE S. R. , ARNAIZ D. O.
Published: May 2016

The addition reaction of the quinone methides (I) with the electron‐rich alkenes (II) yields the indans (III).
ChemInform Abstract: Selective Monocarbamoylation of Symmetrical Diols with Alkyl Halides and Potassium Cyanate Using Phase‐Transfer Catalysis.
Authors: PRASHAD M. , TOMESCH J. C. , HOULIHAN W. J.
Published: May 2016

Reaction of aliphatic diols such as (I) with alkyl isocyanates, generated in situ from alkyl halides such as (II) and potassium cyanate (III) under phase‐transfer conditions, yields the monourethane (IV).
ChemInform Abstract: 4H‐1,2‐Benzoxazines as Novel Precursors of o‐Benzoquinone Methide.
Authors: YATO M. , OHWADA T. , SHUDO K.
Published: May 2016

The three benzoxazines (IV), (VII), and (XI) are prepared from 1‐nitrocyclohexene (I), α‐nitrostyrene, and 2‐nitropropene, resp., according to the protocol (I) → (IV).
ChemInform Abstract: The Chemistry of 1,2,4‐Triazines. Part 14. Synthesis and Reactions of 5‐Chloro‐1,2,4‐triazines.
Authors: NEUNHOEFFER H. , REICHEL D. , CULLMANN B. , REHN I.
Published: May 2016

Ca. 25 members of the title compounds such as (II) and (IV) are prepared by chlorination of the triazinones (I) and (III); the latter are readily available from 2‐ketocarboxylic acids and amidrazones.
ChemInform Abstract: Synthesis of β‐Carboline‐Benzodiazepine Hybrid Molecules and Their “Amputated” Analogues as Novel Ligands of the Benzodiazepine Receptor.
Authors: DELLOUVE‐COURILLON C. , DOREY G. , POISSONNET G. , DOISY X. , POTIER P. , DODD R. H.
Published: May 2016

The title compounds are prepared using two different approaches (cf.
ChemInform Abstract: Hexacoordination at Silicon: The Case of Silatranes.
Authors: CARRE F. , CERVEAU G. , CHUIT C. , CORRIU R. J. P. , NAYYAR N. K. , REYE C.
Published: May 2016

In order to study the possibility of intramolecular coordination at silicon by a nucleophilic atom in the silatrane structure, the two silatranes (III) and (V) are prepared and their structures determined by X‐ray analysis.
ChemInform Abstract: Stereoselective Synthesis of the Brassinolide Side Chain: Novel Syntheses of Brassinolide and Related Compounds.
Authors: ZHOU W. , JIANG B. , PAN X.
Published: May 2016

The brassinolide side chain is synthesized stereoselectively following the reaction sequence (I) → (VII).
ChemInform Abstract: A Partial Statistically Incorporation of Ca2+ into the Ba6Nd2Al4O15 Type: Ba5CaLa2Fe4O15.
Authors: RUETER I. + , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

The title compound is synthesized by heating pressed pellets of BaCO3, CaCO3, La2O3, and Fe2O3 (5:1:1:2; 1. 1100 °C, 36 h; 2. >1900 °C, 45 min (CO2 laser)) and stepwise cooling.
ChemInform Abstract: Structure and Properties of Sn(II)‐β′′‐Alumina.
Authors: ROHRER G. S. , THOMAS J. O. , FARRINGTON G. C.
Published: May 2016

Single crystals of Sn(II)‐β''‐alumina are prepared by ion‐exchange of Na‐β''‐alumina using molten anhydrous SnCl2 (400 °C, inert atmosphere, 20 min).
ChemInform Abstract: Efficient, Trimethylsilyl Triflate Mediated Conversion of Diels‐Alder Adducts of 1‐Methoxy‐3‐((trimethylsilyl)oxy)‐1,3‐butadiene (Danishefsky′s Diene) to Cyclohexenones.
Authors: VORNDAM P. E.
Published: May 2016

The Diels‐Alder reaction of the title diene (I) with activated dienophiles such as (II) yields the expected cyclohexenes such as (III).
ChemInform Abstract: Synthetic Approach to Pentaleno(2,1‐b:5,4‐b′)diindoles.
Authors: SAMBASIVARAO K. , HOLLINSHEAD S. , GRUBISHA D. , LAIB F. , BENNETT D. , COOK J. M.
Published: May 2016

Combined Weiss reaction and Fischer indole‐cyclization of the bicyclooctanedione (I) with phenylhydrazine (II) yield the dihydropentalenodiindole (III) which is further transformed into the N‐methyl derivative (V).
ChemInform Abstract: Chemistry of 3‐Hydroxypyridine. Part 2. Synthesis of 5,6‐Dihalo‐3‐hydroxypyridines.
Authors: KOCH V. , SCHNATTERER S.
Published: May 2016

The direct chlorination of the 5‐chloro‐3‐hydroxypyridine (I) yields the 2,5‐dihalo isomer (III) as the main product and only minor amounts of the desired 5,6‐dichloro derivative (II).
ChemInform Abstract: Studies on Organophosphorus Compounds. Part 46. A Facile and Direct Route to Dialkyl 1‐(Benzyloxycarbonylamino)alkylphosphonates and Dialkyl or Diphenyl α‐(Benzyloxycarbonylamino)benzylphosphonates.
Authors: YUAN C. , WANG G. , CHEN S.
Published: May 2016

The three component reaction of benzyl carbamate (I), aromatic aldehydes such as (II), and the dialkyl phosphite (III) yields the corresponding phosphonates, e.g. (IV).
ChemInform Abstract: Synthesis of Conformational Isomers, Thermally Induced Isomerism, and Crystal Structure of cis‐Di‐isothiocyanatobis(N‐methylpropane‐1,3‐diamine)nickel(II).
Authors: MUKHERJEE A. K. , MUKHERJEE M. , RAY S. , GHOSH A. , CHAUDHURI N. R.
Published: May 2016

The Ni(II) thiocyanate in MeOH with two equiv. N‐methylpropane‐1,3‐diamine leads to two isomers of the title complex depending on the reaction temperature.
ChemInform Abstract: Synthesis and Tautomerism of Porphyrin β‐Ketoesters.
Authors: KOZYREV A. N. , NIZHNIK A. N. , MIRONOV A. F.
Published: May 2016

The title compound (IV) consists of about 35% of the enol and 65% of the keto form.
ChemInform Abstract: Low‐Temperature EIS Measurements on High Tc Superconductor/Solid Electrolyte Interfaces
Authors: PINKOWSKI A. , JUETTNER K. + , LORENZ W. J.
Published: May 2016

are carried out for the first time in the system YBa2Cu3O7‐δ/RbAg4I5 by using a two‐probe polarization technique under potentiostatic control.
ChemInform Abstract: Evidence for a Precursor to Decomposition for Phosphine Adsorption on Rh/Al2O3 Surfaces.
Authors: LU G. , CROWELL J. E.
Published: May 2016

The adsorption and decomposition of PH3 on alumina‐supported Rh surfaces is studied by transmission IR spectroscopy.
ChemInform Abstract: Acid‐Catalyzed Rearrangement of Methyl (2aα,4aβ,6aβ,7bβ)‐2,2a,5,6,6a,7b‐Hexahydro‐2a‐hydroxy‐4‐me# thoxycyclo(3,4)indeno(4,5‐b)oxete‐4a(7H)‐carboxylate.
Authors: SCHULTZ A. G. , TAVERAS A. G.
Published: May 2016

The cyclohexadienone (I) is photochemically converted to the oxetane (II) which is rearranged in the presence of acids, forming the fused cyclohexenone (III).
ChemInform Abstract: 2,3‐Methano‐2,4‐didehydro‐11‐homoadamantanone: A (4.1.1)Propellanone.
Authors: MAJERSKI Z. , KOSTOV V. , HIBSER M. , MLINARIC‐MAJERSKI K.
Published: May 2016

4‐Methylene‐2‐adamantanone (I) inserts a methylene group upon reaction with diazomethane (II) to give the homoadamantanone (III) which is then treated with methyl formate (IV), producing the hydroxymethylene derivative (V).
ChemInform Abstract: Synthesis of Aryl Carbohydrate Synthons and 2,3‐Dihydroxypropanoic Acid Derivatives of High Optical Purity.
Authors: MATTHEWS B. R. , JACKSON W. R. , JACOBS H. A. , WATSON K. G.
Published: May 2016

The hydroxypropanoic acids (‐)‐(XI) and analogously (‐)‐(XII), which are important synthetic intermediates of biological materials, are prepared via threo (‐)‐(VI) and erythro diol (+)‐(VII), which are synthesized in the presence of some reducing agents.
ChemInform Abstract: Syntheses, Antiinflammatory, and Analgesic Activities of Arylbiurets.
Authors: KAJITANI M. , YAMAZAKI T. , YAMADA S. , TANAKA M. , OGAWA K. , HONNA T. , MIYAKE H. , YABUUCHI T. , FUJIMURA H.
Published: May 2016

The target compounds are prepared by four different pathways.
ChemInform Abstract: 1,2‐Addition of Dimethyl(phenyl)silyllithium to Cyclic α,β‐Unsaturated Ketones and Regiospecific Generation of Cyclic Silyl Enol Ethers Through Brook Rearrangement of the 1,2‐Addition Products.
Authors: KOREEDA M. , KOO S.
Published: May 2016

Reaction of the cyclohexenones (I) with dimethylphenylsilyllithium (II) gives the carbinols (III) which rearrange in the presence of NaH to produce the silyl enol ether (IV).
ChemInform Abstract: Synthesis of Benzylideneaminopyrazoles and Bispyrazolopyridines.
Authors: HENNIG L. , HOFMANN J. , ALVA‐ASTUDILLO M. , MANN G.
Published: May 2016

The aminopyrazoles (I) react with aromatic aldehydes in a 1:1 molar ratio to give azomethines of type (III) (13 examples).
ChemInform Abstract: Reaction of Carbonyl Oxides and Thioketones. (3 + 2)Cycloaddition vs. Oxygen Atom Transfer.
Authors: TABUCHI T. , NOJIMA M. , KUSABAYASHI S.
Published: May 2016

The vinylic ethers (I) react with adamantanethione (II) and ozone to yield the thioozonides (III).
ChemInform Abstract: Regio‐ and Stereoselectivity of the Electrophilic Quaternization of (2‐Allyl(2‐cyclohexen‐1‐yl)thio)nicotinic Acid Derivatives into Thiazolo(3,2‐a)pyridinium Salts.
Authors: SHESTOPALOV A. M. , RODINOVSKAYA L. A. , SHARANIN YU. A. , LITVINOV V. P.
Published: May 2016

The pyridinethione (I) is coupled with allyl bromide (IIa) or 3‐bromocyclohexene (IIb) to give the thioethers (III) which are converted to the thiazolopyridinium trihalides (IV) and (VI) upon reaction with elemental bromine or iodine.
ChemInform Abstract: Quinolizine and Indolizine. Part 17. 2‐Hydroxyquinolizin‐4‐ones with Antimycobacterial Activity.
Authors: DANNHARDT G. , KAPPE T. , MEINDL W. , SCHOBER B.
Published: May 2016

Cyclocondensation of the 2‐pyridylacetate (I) with the activated malonates (II) yields the 2‐hydroxy‐4‐oxo‐1‐quinolizinecarboxylates (III).
ChemInform Abstract: Synthesis of 4,5,6,7‐Tetraphenyl‐8‐(substituted)‐3(2H)‐phthalazinone Derivatives Likely to Possess Antihypertensive Activity.
Authors: YASSIN F. A. , BAYOUMY B. E. , EL‐FARARGY A. F.
Published: May 2016

Some new phthalazinones such as (III) are prepared in order to test their antihypertensive activity.
ChemInform Abstract: Synthesis, Antibacterial and Antifungal Activities of Several New Benzo‐, Naphtho‐ and Quinolino‐1,4‐thiazine and ‐1,5‐thiazepine Derivatives.
Authors: AMBROGI V. , GRANDOLINI G. , PERIOLI L. , RICCI M. , ROSSI C. , TUTTOBELLO L.
Published: May 2016

Title compounds of type (III), (V), (VII) and (IX) and several thiosemicarbazone and phenylthiosemicarbazone analogues are evaluated for antimicrobial activity.