bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: π‐Bonding in Four‐Coordinate Aluminum Aryloxide Compounds.
Authors: HEALY M. D. , ZILLER J. W. , BARRON A. R.
Published: May 2016

The interaction of AlMe3 with the substituted phenols ArOH in hexane or pentane in the presence of pyridine or 3,5‐lutidine leads to the formation of the mono, bis, and tris aryloxide compounds (I) with good yields depending on the stoichiometry.
ChemInform Abstract: Face Selectivity During the Cycloaddition Reaction of Nitrile Oxides with Iron Complexed Trienes.
Authors: LE GALL T. , LELLOUCHE J. P. , TOUPET L. , BEAUCOURT J. P.
Published: May 2016

The iron complexed diene aldehydes (I) are converted to the corresponding complexed trienes (IV) via the silanol complexes (III).
ChemInform Abstract: Synthesis, X‐Ray Crystal Structure, and Metal Ion Extraction from a Nitrogen‐Sulfur “Pendant Arm” Encapsulated Complex of Cobalt(III).
Authors: GAHAN L. R. , DONLEVY T. M. , HAMBLEY T. W.
Published: May 2016

The ligand (I), prepared from 2‐aminoethanethiol hydrochloride and tetrabromopentaerythritol, reacts to give (III), isolated as the perchlorate salt, which is transformed in an encapsulation reaction into (VIa) (P1, Z=4), containing a macrobicyclic ligand.
ChemInform Abstract: Synthesis, Structure, and 2D‐NMR Studies of Novel Chiral (η3‐Allyl)palladium(II) Complexes Containing the Bidentate Ligand Sparteine.
Authors: TOGNI A. , RIHS G. , PREGOSIN P. S. , AMMANN C.
Published: May 2016

As part of a program on chiral transition‐metal complexes and their use in asym.
ChemInform Abstract: Total Synthesis of (.+‐.)‐Nimbidiol Dimethyl Ether and (.+‐.)‐Nimbiol Methyl Ether.
Authors: KARPHA T. K. , GHOSAL M. , MUKHERJEE D.
Published: May 2016

Racemic nimbidiol dimethyl ether (VIII) is prepared in a stereocontrolled manner starting from the tetralone (I).
ChemInform Abstract: Synthesis of a New Azapeptide with Renin‐Inhibiting Properties.
Authors: GANTE J. , WEITZEL R.
Published: May 2016

Starting from Boc‐hydrazine (I) the novel title compound (VIII) is prepared.
ChemInform Abstract: A Total Synthesis of Racemic and Optically Active Terrein (trans‐4,5‐Dihydroxy‐3‐((E)‐1‐propenyl)‐2‐cyclopenten‐1‐one).
Authors: KOLB H. C. , HOFFMANN H. M. R.
Published: May 2016

The racemic mould metabolite terrein (X) is prepared starting from 2‐furanmethanol (I) employing a novel ring contraction of the dihydropyranone (V) and a new method for cleavage of the Tmse protecting group in the base and acid sensitive dienone (IX).
ChemInform Abstract: The Total Synthesis of (.+‐.)‐cis‐ and trans‐Trikentrin A.
Authors: MACLEOD J. K. , MONAHAN L. C.
Published: May 2016

The key steps in the synthesis of the title compounds (XII) and (XIII) which are novel cyclopent(g)indoles isolated from a marine sponge Trikentrion flabelliforme, are an aryl radical cyclization to yield (II) and (III) and a 1,5‐electrocyclic reaction of a nitrene intermediate to give (XI).
ChemInform Abstract: High‐Resolution IR Spectrum and Structure of Dinitrogen Sulfide, N2S.
Authors: BROWN R. D. , ELMES P. S. , MCNAUGHTON D.
Published: May 2016

N2S is generated by pyrolysis of 5‐phenyl‐1,2,3,4‐thiatriazole and the IR spectrum of its ν3 band is recorded at a resolution of 0.005 cm‐1.
ChemInform Abstract: Crystal Structure of Silica‐ZSM‐12 by the Combined Use of High‐Resolution Solid‐State MAS NMR Spectroscopy and Synchrotron X‐Ray Powder Diffraction.
Authors: FYFE C. A. , GIES H. , KOKOTAILO G. T. , MARLER B. , COX D. E.
Published: May 2016

The high‐silica zeolite ZSM‐12 crystallizes in space group C2/c. The zeolite host structure is built up by corner‐sharing SiO4 tetrahedra and contains one‐dimensional channels that do not intersect.
ChemInform Abstract: Influence of Long Annealings on the Ferroelectric Properties of Phases A2BX5O15 and AA′BX5O15 (X: Nb or Ta) with “Tetragonal Tungsten Bronze” Structure: Comparative Study.
Authors: THORET J. , MERCIER D.
Published: May 2016

The influence of long thermal treatments (750 and 910 °C, 3 months) of ABaCaTa5O15 and ABaSrTa5O15 (A: Tl, K) on their Curie temp. and dielectric properties are studied and discussed in comparison with the corresponding niobates previously studied.
ChemInform Abstract: Thermodynamic and Kinetic Study of the Electrochemical System Sn(II)/Sn in the LiCl‐KCl Eutectic Melt at 723 K.
Authors: PASQUIER P. , FERRY D. , PICARD G.
Published: May 2016

The results of potentiometry, cyclic voltammetry, chronoamperometry and chronopotentiometry (tungsten working electrode) show that the title system is quasi‐reversible in the LiCl‐KCl melt.
ChemInform Abstract: A Tunnel Structure Containing Bi3+ Ions in One‐Sided Coordination: Ba3BiO3Cl3.
Authors: LENZ A. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

Single crystals of the new title compound are obtained from a melt of Bi2O3, BaCO3, and BaCl2 (1:2:8; corundum crucible, air).
ChemInform Abstract: A Contribution About Oxometallates Containing Trigonal Planar BO3‐Polyhedra Ni2MBO5 (M: Ga, Fe, Al, Cr).
Authors: BLUHM K. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

Single crystals of Ni2MBO5 (M: Ga, Fe, Al) are prepared by reaction of NiO and M2O3 in a B2O3 flux at 1100‐1300 °C. The compounds crystallize in the orthorhombic space group Pbam with Z=4 and are isotypic with Ni2CrBO5.
ChemInform Abstract: Magnetic Circular Dichroism of Cyclic π‐Electron Systems. Part 29. Bicyclic Phospholium and Arsolium Cations with P‐S, As‐S, P‐N, and As‐N pπ‐Bonding.
Authors: ROYAN B. W. , BURFORD N. , WALUK J. , MICHL J.
Published: May 2016

The magnetic circular dichroism and absorption spectra of the cations (I)‐(III) are interpreted.
ChemInform Abstract: Synthesis, X‐Ray Structures, and Spectroscopic and Magnetic Properties of a Series of Isomeric Binuclear Molybdenum(III) Complexes of General Formula Mo2Cl6L3 (L: Thioether): Large Structural Influence of Bridging Ligands in Confacial Bioctahedral Complexes.
Authors: MOYNIHAN K. J. , GAO X. , BOORMAN P. M. , FAIT J. F. , FREEMAN G. K. W. , THORNTON P. , IRONMONGER D. J.
Published: May 2016

Starting with MoCl3(THT)3 (THT: tetrahydrothiophene) in toluene, distinguished cooling procedures allow the separation of the isomers (I) ( P21/n, Z=4) and (II) (P1, Z=2), whose structures are compared to those of the corresponding Me2S complexes.
ChemInform Abstract: 4,5‐Dihydro‐4,5‐dihydroxyimidazoles as Products of the Reduction of 2‐Nitroimidazoles. HPLC Assay and Demonstration of Equilibrium Transfer of Glyoxal to Guanine.
Authors: PANICUCCI R. , MCCLELLAND R. A.
Published: May 2016

The electrochemical reduction of (I) leads in a linear reaction to the cyclic guanidinium ions (II) and (III) via the corresponding hydroxyaminoimidazole.
ChemInform Abstract: Simple Chiral Crown Ethers Complexed with Potassium tert‐Butoxide as Efficient Catalysts for Asymmetric Michael Additions.
Authors: AOKI S. , SASAKI S. , KOGA K.
Published: May 2016

The asymmetric Michael addition reaction of the substituted phenyl acetals (II) with methyl acrylate (III) is mediated by potassium tert‐butoxide complexed with the chiral crown ethers (I) to give the adducts (S)‐(IV).
ChemInform Abstract: Organic Synthesis Using Haloboration Reaction. Part 18. A Stereoselective Synthesis of β‐Mono‐ and β,β‐Disubstituted α,β‐Unsaturated Esters.
Authors: YAMASHINA N. , HYUGA S. , HARA S. , SUZUKI A.
Published: May 2016

The β‐bromovinylboronate (I) reacts with the organozinc chlorides (II) in the presence of a Pd catalyst to give the substitution products (III) which undergo methoxycarbonylation reaction, forming the carboxylic acid esters (VI).
ChemInform Abstract: The Synthesis of Nitrogen Heterocycles via the Intramolecular Khand Reaction: Formation of Tetra‐ and Hexahydrocyclopenta(c)pyrrol‐5(1H)‐ones and Hexahydro‐6H‐2‐pyrindin‐6‐ones.
Authors: BROWN S. W. , PAUSON P. L.
Published: May 2016

The target compounds (IV) and (VI) are obtained from the Co complexes of (III) and (V) under various conditions (photochemical, ultrasonic and thermal).
ChemInform Abstract: Lewis Acid‐Induced Regio‐ and Stereoselective Cyclization of Epoxyallylic Stannanes.
Authors: YOSHITAKE M. , YAMAMOTO M. , KOHMOTO S. , YAMADA K.
Published: May 2016

Lewis acid‐induced cyclizations of epoxyallyl stannanes such as (I) to give the carbocyclic alcohols (II)‐(IV) are studied.
ChemInform Abstract: Influence of the β‐Substitution on the Photochemistry of α,2‐Diacetoxystyrenes. Irradiation of Phenyl, Vinyl and Benzyl Derivatives.
Authors: ALVARO M. , BALDOVI V. , GARCIA H. , MIRANDA M. A. , PRIMO J.
Published: May 2016

β‐Substitution shows a pronounced influence on the photochemisty of α,2‐diacetoxy styrenes such as (I), (V) or (IX).
ChemInform Abstract: Substituted Dialkylaminomethylphenols in the Exchange Reaction with Carboxylic Acid Anhydrides.
Authors: NIKIFOROV G. A. , BANNIKOV G. F. , ROMERO MALDONADO I. K. A. , MALYSHEVA R. D. , ERSHOV V. V.
Published: May 2016

The tert‐butylbenzylamines (I) are coupled with the carboxylic anhydrides (II) to give the benzyl carboxylates (III) or (IV) depending on the molar ratio.
ChemInform Abstract: Regiospecific Intramolecular (2π + 2σ)Cycloadditions of Methylenecyclopropanes.
Authors: BAPUJI S. A. , MOTHERWELL W. B. , SHIPMAN M.
Published: May 2016

The homoallylic tetrahydropyranyl ethers (I) are cyclopropanated with methyl(chloro)carbene, subsequently dehydrochlorinated, and O‐deprotected to produce the hydroxyethyl(methylene)cyclopropanes (III).
ChemInform Abstract: Highly Efficient Epoxidation of Olefins with Pyridine N‐Oxides Catalyzed by Ruthenium Porphyrins.
Authors: HIGUCHI T. , OHTAKE H. , HIROBE M.
Published: May 2016

Aromatic olefins such as styrene (II) or the stilbenes (V) and (VII) react with the pyridine N‐oxides (I) to give the corresponding epoxides (IV), (VI), or (VIII) and the pyridines (III).
ChemInform Abstract: On the Multiplicity of Carbenes Conjugated with Pyrrole and Furan Moieties: Molecular Orbital Calculation and Reaction of 2‐(1‐Methyl)pyrrolylmethylene and 2‐Furylmethylene with cis‐ and trans‐Stilbenes.
Authors: SAITO K. , USHIDA T. , FUSHIHARA H. , YAMASHITA Y. , TANAKA S. , TAKAHASHI K.
Published: May 2016

The sodium salt of the tosylhydrazone (I) reacts with trans‐ (II) or cis‐stilbene (VII) in diglyme to produce stereospecifically the cyclopropanes (III) or (VIII) and (IX).
ChemInform Abstract: 2,3,4,9‐Tetrahydrothiopyrano(2,3‐b)indoles: Synthesis via an Intramolecular Indole Grignard Reaction and Conformational Study by 1H and 13C NMR Spectroscopy.
Authors: ISHIZUKA N.
Published: May 2016

In order to get insight into the structure‐activity relationships, the preparation of analogues of the highly potent non‐narcotic analgesic 4‐methylaminomethyl‐2,3,4,9‐tetrahydrothiopyrano(2,3‐b)indole is envisaged.
ChemInform Abstract: Syntheses with 4‐Chloromethyl‐1,3‐dioxolane.
Authors: KHABIBULLIN I. R. , ROL'NIK L. Z. , ZLOTSKII S. S. , RAKHMANKULOV D. L.
Published: May 2016

The 4‐chloromethyldioxolane (I) is coupled with sodium sulfide or the thiols (VI) to give the thioethers (II) and (VII) respectively.
ChemInform Abstract: Chemistry of Silyl Thioketones. Part 6. Synthesis of 5‐Membered Silylheterocycles via 1,3‐Dipolar Cycloaddition to Aryl Silyl Thioketones.
Authors: BONINI B. F. , MACCAGNANI G. , MAZZANTI G. , ATWA G. A.‐L. A. , ZANI P. , BARBARO G.
Published: May 2016

Cycloaddition reaction of the phenyl trimethylsilyl thioketone (II) with the unsaturated chlorides (I), (VII), and (IX) in the presence of triethylamine leads to the formation of the trimethylsilyl substituted 5‐ring heterocycles (III), (VIII), (X), and (XI).
ChemInform Abstract: Stereoselective Addition of Enol Silanes to Nitro Olefins. A Simple Synthesis of Compounds Related to the Insect Antifeedants Azadiradion and Gedunin.
Authors: MATEOS A. F. , DE LA FUENTE BLANCO J. A.
Published: May 2016

The reaction of the silyl enolate (I) with the nitro olefine (II) is catalyzed by TiCl4 to give stereoselectively the 1,4‐diketone (III) which is cyclized to produce the unsaturated ketone (IV).
ChemInform Abstract: Selective Reduction of the Pyridine Nucleus in γ‐Triorganosilylpyridines.
Authors: VARLAMOV A. V. , RYASHENTSEVA M. A. , POLOSIN V. M. , PROSTAKOV N. S.
Published: May 2016

The silylpyridines (I) are hydrogenated in the presence of rhenium(VII) sulfide in benzene to give the piperidines (II).
ChemInform Abstract: Synthesis and Biological Activity of Some New 6‐Thienyl‐7H‐indeno‐(2,1‐c)quinolines.
Authors: QURAISHI M. A. , THAKUR V. R.
Published: May 2016

The thienylindene anils (III), prepared by condensation of the thienoylindandione (I) with the anilines (II), are cyclized in PPA to give the indenoquinolinones (IV).
ChemInform Abstract: Reactions of 2‐Acyl‐1,3‐dithianes with α,β‐Unsaturated Ketones: Simple Preparation of Cyclohexenedione Monoacetals.
Authors: PAGE P. C. B. , HARKIN S. A. , MARCHINGTON A. P.
Published: May 2016

The 2‐acyl‐1,3‐dithianes (III), prepared from the anion (I) and the carboxylates (II), react with the enones (IV) in the presence of ZnCl2 to form the 1,5‐diketones (V).
ChemInform Abstract: Synthesis of New Heterocyclic Ring Systems: Indeno(2,1‐b)benzo(g)indolizine and Indeno(1′,2′:5,4)pyrrolo(2,1‐a)phthalazine.
Authors: CAMPAGNA F. , CAROTTI A. , CASINI G. , MACRIPO M.
Published: May 2016

Reaction of the acylmethylhydroxyindandiones (I) with pyridine (II), isoquinoline (V), and phthalazine (VII) in the presence of tosyl chloride results in cyclization, producing the fused N‐heterocycles (III), (VI), or (VIII).
ChemInform Abstract: Studies on Bi‐Heterocyclic Compounds. Part 2. 5‐Substituted Thiazolones.
Authors: YAMAZAKI H. , HARADA H. , MATSUZAKI K. , YOSHIOKA K. , TAKASE M. , OHKI E.
Published: May 2016

The pyridinium, pyrazidinium, or quinolinium salts (I) are coupled with the thiazolone (II) to give the dihydroazaarylthiazolones (III) which are oxidized with sulfur to produce the azaarylthiazolones (IV).
ChemInform Abstract: Synthesis and Biological Activities of Some 6‐Aryl‐9‐arylmethyleneamino‐3,6,7,9‐tetrahydro‐2‐thioxo‐1H‐purin‐8(2H)‐ones.
Authors: MISHRA B. , ALI R. , NIZAMUDDIN NIZAMUDDIN
Published: May 2016

Knoevenagel reaction of the hydantoin derivatives (I) with the benzaldehydes (II) gives the condensation products (III) which react with thiourea (IV) to yield the title compounds (V).
ChemInform Abstract: Heterocycles from Carbohydrate Precursors. Dehydrative Cyclization of Hydrazones: Synthesis of Pyrazolo‐ and Pyrazolylquinoxalines.
Authors: MOUSAAD A. , AWAD L. , EL SHIMY N. , EL ASHRY E. S. H.
Published: May 2016

Condensation reaction of the quinoxalinone (I), prepared as described previously, with the arylhydrazines (II) gives the hydrazones (III).
ChemInform Abstract: Synthesis of 1,2,3,4,5,6‐Hexahydro‐8‐hydroxy‐2,6‐epithio‐3‐benzazocine.
Authors: HORI M. , OZEKI H. , IWAMURA T. , SHIMIZU H. , KATAOKA T. , IWATA N.
Published: May 2016

4‐Methoxyphenylacetic acid (I) is converted into the thiol (III) which undergoes acid‐catalyzed coupling with methyl acetoacetate (IV) to produce the unsaturated thioether (V).
ChemInform Abstract: The Reactions of N‐Vinyliminophosphoranes. Part 14. A Short New Synthesis of (n)(2,4)Pyridinophane Ring System (n = 9‐6): Static and Dynamic Structural Studies of (7)‐ and (6)(2,4)Pyridinophanes.
Authors: KANOMATA N. , NITTA M.
Published: May 2016

A short synthesis is given for the preparation of the (2,4)pyridinophanes (III).
ChemInform Abstract: Preparation of 2‐Oxygen Derivatives of 1,2‐Oxaborolane from 2‐Allyloxy‐1,2‐oxaborolane.
Authors: ZHOU W. , LO W. , ZHANG G. , DING H. , LIANG S.
Published: May 2016

The title compound (I) is used as a key reactant in the synthesis of a series of almost 50 2‐oxygen derivatives of 1,2‐oxaborolane.
ChemInform Abstract: Synthesis and Coordination Chemistry of a New Class of Binucleating Ligands: Pyridyl‐Substituted Diphosphines.
Authors: BUDZELAAR P. H. M. , FRIJNS J. H. G. , ORPEN A. G.
Published: May 2016

Bimetallic complexes are of interest because of their potential application in catalysis.
ChemInform Abstract: Synthesis of endo,endo‐2,5‐Bis((diphenylphosphino)methyl)bicyclo‐(2.2.1)heptane, a Chelating Diphosphine with a Natural Bite Angle of 120°.
Authors: CASEY C. P. , WHITEKER G. T.
Published: May 2016

Reaction of the diketone (I) with the methylenephosphorane (II) produces the bismethylene derivative (III) which is hydroborated to give the diol (IV) after oxidative work‐up.
ChemInform Abstract: New Latent Organotin Catalysts: Preparation and Mechanism of the Thermal Decomposition of Bis(2‐(acyloxy)alkyl)diorganotins.
Authors: JOUSSEAUME B. , GOURON V. , MAILLARD B. , PEREYRE M. , FRANCES J.‐M.
Published: May 2016

New organotin compounds such as (III) (11 examples) can be thermally decomposed (80‐140 °C, 0.3‐5 h) into the corresponding dicarboxylates (IV).
ChemInform Abstract: A New Synthetic Pathway for Tris‐μ‐disulfido‐μ3‐thio‐triangulo‐trimolybdenum(IV) Complexes: Preparation, Characterization and Structure of (Mo3S(S2)3(OOC‐CHS‐CH2‐COOH)3)2‐.
Authors: HEGETSCHWEILER K. , KELLER T. , ZIMMERMANN H. , SCHNEIDER W. , SCHMALLE H. , DUBLER E.
Published: May 2016

(III) seems to be a useful intermediate for further ligand substitution as shown in the preparation of (V) (yield given in g).
ChemInform Abstract: Cyclopentadienyl Oxides of Molybdenum.
Authors: BOTTOMLEY F. , FERRIS E. C. , WHITE P. S.
Published: May 2016

An improved preparation for (III) ( P21/n, Z=4), which has a piano‐stool structure, is described.
ChemInform Abstract: Synthesis, Characterization and Catalytic Properties of Manganese(III) Schiff Base Complexes.
Authors: OKI A. R. , HODGSON D. J.
Published: May 2016

The title complexes are prepared by mixing equimolar amounts of the appropriate Mn(II) salt with the Schiff base in EtOH.
ChemInform Abstract: Thermal and Photolytic Substitution of Dimanganese Decacarbonyl with Trifluorophosphine.
Authors: GRIMM C. C. , BROTMAN P. E. , CLARK R. J.
Published: May 2016

Under thermal conditions (110 °C, 1 atm PF3) the PF3 substitution of Mn2(CO)10 produces the five different compounds (I) and (II).
ChemInform Abstract: Thermal and Photolytic Substitution of Ditechnetium and Dirhenium Decacarbonyl with Trifluorophosphine.
Authors: GRIMM C. C. , CLARK R. J.
Published: May 2016

The substitution reaction of Re2(CO)10 and Tc2(CO)10 with PF3 is studied under both thermal and photolytic conditions.
ChemInform Abstract: Organotransition‐Metal Metallacarboranes. Part 15. Regiospecific B‐Alkylation of (Arene)M(Et2C2B3H5) (M: Fe, Ru) and (C5Me5)Co(Et2C2B3H5) Sandwich Complexes.
Authors: DAVIS J. H. JUN. , ATTWOOD M. D. , GRIMES R. N.
Published: May 2016

The controlled introduction of alkyl substituents onto specific boron locations in nido‐metallacarboranes of the title classes (I) and (VII) is achieved via bridge deprotonation followed by reaction with alkyl or arylalkyl halides.
ChemInform Abstract: Stereochemical Aspects of the Cycloaddition Reaction Products of the Coordinated Azide in Palladium Complexes (Pd(N‐N‐S)(N3)).
Authors: PAUL P. , CHAKLADAR S. , NAG K.
Published: May 2016

Cycloaddition reactions of coordinated azide in the Pd(II) complexes (III) with nitriles, alkynes, alkenes, PhNCS, and CS2 are investigated.
ChemInform Abstract: Monodemethylation of a Coordinated Ditelluroether. Synthesis and X‐Ray Structure of ((Pd(o‐C6H4(TeMe)Te)I)4).
Authors: KEMMITT T. , LEVASON W. , SPICER M. D. , WEBSTER M.
Published: May 2016

The tetrameric title complex (II) (space group P21/n, Z=4) is characterized by X‐ray structure analysis, UV/VIS and NMR data.
ChemInform Abstract: Characterization of the Intermediates in the Hydroformylation Reaction Catalyzed by Platinum Diphenylphosphinous Acid Complexes.
Authors: VAN LEEUWEN P. W. N. M. , ROOBEEK C. F. , FRIJNS J. H. G. , ORPEN A. G.
Published: May 2016

The reactivity of compounds of the type (Ph2POHOPPh2)PtH(L) such as (I) and (VI) as well as the analogues with L: Ph2PO(CH2)2CH=CH2 and Ph2PO(CH2)2C≡CH is studied, in particular in terms of reactions related to hydroformylation.
ChemInform Abstract: Conformational Dynamics of Proline Residues in Antamanide. J Coupling Analysis of Strongly Coupled Spin Systems Based on E.COSY Spectra.
Authors: MADI Z. L. , GRIESINGER C. , ERNST R. R.
Published: May 2016

It is found that Pro3 and Pro8 in the cyclic title decapeptide (I) are conformationally rigid, while Pro2 and Pro7 are mobile with a significant population of a second conformation.
ChemInform Abstract: A Novel Strategy for 2,6‐Dideoxy‐L‐hexoses: An Application to 3‐Amino‐2,3,6‐trideoxy‐L‐lyxo‐hexopyranose (L‐Daunosamine).
Authors: GURJAR M. H. , PAWAR S. M. , MAINKAR P. S.
Published: May 2016

The 5‐chloro‐5‐deoxy‐D‐glucuronolactone (I) is converted to the 3‐azidotrideoxy‐L‐lyxo‐furanoside (XII) as outlined in the reaction scheme.
ChemInform Abstract: Structure, Stereochemistry, and Conformation of Diastereoisomeric cis‐ and trans‐3‐Ethyl‐1,2,3,4,4a,9a‐hexahydrocarbazol‐4‐ones by Means of 13C and Two‐Dimensional 1H NMR Spectroscopy. An Example of Diastereoselection in a Photocyclization Reaction.
Authors: DUGAT D. , GRAMAIN J.‐C. , DAUPHIN G.
Published: May 2016

The 4a,9a‐trans‐3‐ethylhexahydrocarbazolones (II) and (III) are stereospecifically obtained by a photocyclization; the 3:7 ratio of the two isomers (II) and (III) suggests that the ethyl group introduces 40% diastereoselection during the cyclization; which is remarkable if one considers the large distance between the ethyl group and the first‐created asym.
ChemInform Abstract: Complementary Enantioselective Routes to the Quinolizidine Alkaloids Lupinine and Epilupinine.
Authors: MORLEY C. , KNIGHT D. W. , SHARE A. C.
Published: May 2016

Introduction of an α‐(2‐propenyl)substituent into a chiral 2‐piperidineacetate is effected both by enolate Claisen rearrangement of the allyl ester (I) and by direct allylation of (VI).
ChemInform Abstract: The Total Synthesis of (.+‐.)‐cis‐Trikentrin B via Allene Intramolecular Cycloaddition.
Authors: YASUKOUCHI T. , KANEMATSU K.
Published: May 2016

Starting with propargyl alcohol (I), a multi‐step total synthesis of the alkaloid (±)‐cis‐trikentrin B (XI), isolated from a marine sponge, is described.
ChemInform Abstract: Synthesis of a Pentacyclic Precursor to the Strychnos Alkaloids.
Authors: KRAUS G. A. , THOMAS P. J. , BOUGIE D. , CHEN L.
Published: May 2016

The sequence outlined in the reaction scheme offers a facile synthetic approach to indole alkaloid synthons such as (XII).
ChemInform Abstract: Synthesis of (3′(O) → 5′(C))‐Oxyacetamido Linked Nucleosides.
Authors: NYILAS A. , GLEMAREC C. , CHATTOPADHYAYA J.
Published: May 2016

Several oligodeoxynucleotides with modified internucleotide linkages show antiviral activity.
ChemInform Abstract: Coenzyme Models. Part 52. Diastereodifferentiating Hydrogen Transfer in 5‐Deazaflavin Oxidation of Alcohols and Amines.
Authors: SHINKAI S. , KAWASE A. , MANABE O.
Published: May 2016

The 5‐deuteriated 5‐deazaflavinophanes (IV) are synthesized as shown in the scheme.
ChemInform Abstract: Aqueous and Anhydrous Degradations of 6α‐Formamidopenicillins.
Authors: CUTMORE E. A. , GUEST A. W. , HATTO J. D. I. , MOORES C. J. , SMALE T. C. , STACHULSKI A. V. , TYLER J. W.
Published: May 2016

The aqueous degradation of penicillin derivatives such as (I) at 1 < pH < 11 and the anhydrous degradation of simpler penicillins such as (VIa) and (VIb) is examined.
ChemInform Abstract: Total Synthesis of (‐)‐ and (+)‐Botryodiplodin and (+)‐ and (‐)‐Epibotryodiplodin.
Authors: REHNBERG N. , MAGNUSSON G.
Published: May 2016

The title compounds botryodiplodin (‐)‐(VIII) and epibotryodiplodin (+)‐(IX) are produced starting from the aldehyde (+)‐(I).
ChemInform Abstract: Strength of Hot Isostatically Pressed Si3N4 After Heat Treatment in Ar‐O2 and H2‐H2O
Authors: KIM H.‐E. , MOORHEAD A. J.
Published: May 2016

is studied in order to explore the possibilities of improving the room‐temp.
ChemInform Abstract: Solution of Hydrogen in Cold‐Worked and Annealed Pd95Ag5 Alloys.
Authors: KISHIMOTO S. , YOSHIDA N. , ARITA Y. , FLANAGAN T. B.
Published: May 2016

Pd95Ag5 samples are deformed by cold‐rolling (90% deformation) and subsequently annealed in the range 373‐1073 K (12 h).
ChemInform Abstract: Physicochemical Properties of Chlorine Oxides. Part 1. Composition, Ultraviolet Spectrum, and Kinetics of the Thermolysis of Gaseous Dichlorine Hexoxide.
Authors: LOPEZ M. I. , SICRE J. E.
Published: May 2016

Cl2O6 is synthesized by reaction of ClO2 with excess ozone (diluted with O2) at 0 °C. Vapor pressure measurements of liquid Cl2O6 are carried out at 5‐45 °C. The absorption cross section values of gaseous Cl2O6 are ∼3 times higher than those previously assigned to ClO3.
ChemInform Abstract: Crystal Structure of “Ce3Ga2” (Ce4.8Ga3.2).
Authors: YATSENKO S. P. , GRIN YU. N. , SICHEVICH O. M. , SABIRZYANOV N. A. , FEDORCHUK A. A.
Published: May 2016

Samples of composition Ce60+xGa40‐x (x = 0, 1, 2, 3) are prepared by arc melting of the elements and subsequent sintering at 600 °C (2 months).
ChemInform Abstract: Crystal Structure and Electrical Conductivity of Ag3YCl6.
Authors: LERCH K. , LAQUA W. , MEYER G.
Published: May 2016

The reaction of polycrystalline YCl3 at the surface of a AgCl single crystal (365 °C, 140 h) yields a product layer of single crystalline Ag3YCl6, from which single crystals of the low‐temp.
ChemInform Abstract: N‐Methoxyguanidine. Part 3. Conformation Studies of Mono‐, Di‐, and Triacetylated N‐Methoxyguanidine.
Authors: LOTZ S. , GATTOW G.
Published: May 2016

The conformations of the title compounds (I) in the solid state and in solutions are correlated with electron absorption, vibrational, and NMR spectra.
ChemInform Abstract: Perchlorinated Phthalocyanines: Spectroscopic Properties and Surface Electrochemistry.
Authors: GOLOVIN M. N. , SEYMOUR P. , JAYARAJ K. , FU Y. , LEVER A. B. P.
Published: May 2016

Perchlorination of the phthalocyanine ring in the complexes (I) leads to derivatives whose properties are clearly modified by electron‐withdrawing substituents.
ChemInform Abstract: Dioxopyrrolines. Part 43. Diels‐Alder Reaction of 4,5‐Diethoxycarbonyl‐1H‐pyrrole‐2,3‐dione with Butadienes: Synthesis of Polyfunctionalized Hydroindoles.
Authors: ISOBE K. , MOHRI C. , SANO H. , MOHRI K. , ENOMOTO H. , SANO T. , TSUDA Y.
Published: May 2016

The sodium enolate (I) of diethyl oxaloacetate is treated with ammonium acetate (II) to give the enamino diester (III) which is coupled with oxalyl chloride (IV), forming the pyrrole‐2,3‐dione (V) mentioned in the title.
ChemInform Abstract: Gas‐Phase Thermolysis of 4‐Substituted 3,5‐Dihydro‐3,3,5,5‐tetramethyl‐4H‐pyrazoles Studied by PE Spectroscopy and Flash Vacuum Pyrolysis.
Authors: KINDERMANN M. K. , POPPEK R. , RADEMACHER P. , FUSS A. , QUAST H.
Published: May 2016

The thermolysis of (I) under PES conditions indicates that three‐membered rings such as (II) and (V) are formed as primary products.
ChemInform Abstract: Hydrocarbonylating Cyclization of Dienes. Part 8. Cyclization of 1,4‐Dienes with Functional Groups in 3‐Position.
Authors: EILBRACHT P. , HUETTMANN G.‐E. + , DEUSSEN R.
Published: May 2016

The metal‐catalyzed hydrocarbonylating cyclization of dienes with functional groups at C‐3, e.g. (I), (V), (VI) in EtOH (III) gives an unexpected access to cyclopentenones (IV) with exocyclic functions.
ChemInform Abstract: Photooxidative Decarboxylation of Indole‐3‐acetic Acid by Pyrimido‐(5,4‐g)pteridine N‐Oxide as a Biomimetic Reaction.
Authors: MAKI Y. , OYABU I. , OHARA S. , SAKO M. , KITADE Y. , HIROTA K.
Published: May 2016

Irradiation of indole‐3‐acetic acid (I) in the presence of the pyrimidopteridine N‐oxide (II) yields the aldehyde (III) as a main product, together with the indoles (IV) ‐ (VI).
ChemInform Abstract: Reactions of Unsaturated Amides Under Hydroformylation Conditions.
Authors: KOLLAR L. , CONSIGLIO G. , PINO P.
Published: May 2016

With regard to the interest in the asym.
ChemInform Abstract: Diazidation of Allylsilanes with a Combination of Iodosylbenzene and Trimethylsilyl Azide, and Synthesis of Allyl Azides.
Authors: ARIMOTO M. , YAMAGUCHI H. , FUJITA E. , NAGAO Y. , OCHIAI M.
Published: May 2016

The allylsilanes (I) react with trimethylsilyl azide (II) in the presence of iodosylbenzene to give the diazides (III).
ChemInform Abstract: Synthesis and Characterization of (Methoxy(thiocarbonyl))sulfenyl Chloride.
Authors: SCHROLL A. L. , EASTEP S. J. , BARANY G.
Published: May 2016

The sulfenyl chloride (II) mentioned in the title is generated either by treatment of the methoxy(thiocarbonyl) N‐methyl‐N‐phenylamino sulfide (I) with gaseous hydrogen chloride or by careful oxidation of the S‐acetyl dithiocarbonate (IX) with sulfuryl chloride.
ChemInform Abstract: Synthesis and Properties of Medium Sized Carbocyclic Enediynes.
Authors: GLEITER R. , MERGER R.
Published: May 2016

The enediynes (V) and (IX) are prepared by ring closure of the dilithium diacetylides (III) or (VIII) with the α,ω‐diiodoalkanes (IV).
ChemInform Abstract: Synthesis of Some Adamantane‐1,2,4‐triazole, ‐triazoline and ‐1,3,4‐thiadiazoline Derivatives.
Authors: ISLAM M. R. , HUDA Q. M. N. , DUDDECK H.
Published: May 2016

The thiadiazolinone (VI) and its tautomer (VII) are obtained as an inseparable mixture (no yield given).
ChemInform Abstract: Synthesis and Photochemical Reaction of (4.3.2)Propella‐2,4,8,10‐tetraen‐7‐one.
Authors: OHKITA M. , TSUJI T. , SUZUKI M. , MURAKAMI M. , NISHIDA S.
Published: May 2016

Starting with the dihydroindanone (I), the propellane derivative (XII) mentioned in the title is prepared via cycloaddition reaction with trans‐1,2‐dichloroethene (II) and several elimination processes.
ChemInform Abstract: Intermolecular Pinacol Cross Coupling of Aryl Aldehydes or Their Dimethyl Acetals with Non‐Aryl Aldehydes.
Authors: TAKAHARA P. M. , FREUDENBERGER J. H. , KONRADI A. W. , PEDERSEN S. F.
Published: May 2016

The non‐aryl aldehydes (I) undergo coupling with the benzaldehydes (II) in the presence of a complex vanadium(II)/zinc(II) chloride, generated from vanadium trichloride THF complex and zinc dust, to produce the 1,2‐diols (III).
ChemInform Abstract: Formation and Hydrolysis of Acetals Catalyzed by Acidic Faujasites.
Authors: CORMA A. , CLIMENT M. J. , CARCIA H. , PRIMO J.
Published: May 2016

Zeolite‐catalyzed reaction of the aldehydes and ketones (I) with the orthoformate (II) or the glycol (IV) produces the corresponding acetals (III) and (V).
ChemInform Abstract: N‐Substituted 2‐Aryl‐2‐hydroxycarbohydroxamic Acids.
Authors: BURCHARDT A. , GEFFKEN D.
Published: May 2016

The hydroxamic acids (III) are prepared by acylation of the hydroxylamines (I) with the arylglyoxylic acid chlorides (II).
ChemInform Abstract: 7‐Substituted “Carbocoumarins” ‐ A Novel Chromophore System.
Authors: GORELIK A. M. , SAVVINA L. P. , LUK'YANETS E. A.
Published: May 2016

In comparison to the coumarin (IX), the novel title compounds (III), (V), (VI) and (VIII) display a bathochromic shift (ca.
ChemInform Abstract: Synthesis of (2R,3S,4S)‐3,4‐Dihydroxy‐2‐hydroxymethylpyrrolidine and Polyoxamic Acid Derivatives from (S)‐Pyroglutamic Acid.
Authors: IKOTA N.
Published: May 2016

Starting with the (S)‐pyroglutamic acid derivatives (I), the pyrrolidine (VI) and the polyoxamic acid derivative (XI) are prepared.
ChemInform Abstract: Indole‐2,3‐quinodimethanes: Generation, Reactivity, and Regioselective Control of Intermolecular Diels‐Alder Reactions.
Authors: VICE S. F. , DE CARVALHO H. N. , TAYLOR N. G. , DMITRIENKO G.
Published: May 2016

The indolequinodimethanes (III) are generated by dehydroiodination of the bis(iodomethyl) derivatives (II).
ChemInform Abstract: Sultone Formation from α‐Hydroxycyclopentanones and Alkanesulfonyl Chloride.
Authors: TAKADA D. , SUEMUNE H. , SAKAI K.
Published: May 2016

The hydroxyoxocyclopentenedicarboxylate (I) and the hydroxycyclopentanone (VI) react with the sulfonyl chloride (II) to give the sultones (III) ‐ (V) or (VII) and (VIII) and the dehydration product (IX).
ChemInform Abstract: Synthesis and Phototoxicity of Some 4‐Substituted 2‐(Pyrazol‐1‐yl)thiazoles.
Authors: SINGH S. P. , TARAR L. S.
Published: May 2016

The title compounds (III), (V) and (VII), structural analogues of the phototoxic agent α‐terthienyl, are prepared in order to test their phototoxicity against mosquito larvae.
ChemInform Abstract: Synthesis and Properties of 4,5‐Diaryl‐ and Heteroarylaminomethylene‐1,2,3,4,5,6,7,8‐octahydroxanthylium Salts.
Authors: OLEKHNOVICH E. P. , SLABCHENKO I. E. , BAGDASAROV K. N. , EVSTIFEEV M. M. , GAVRILKO YU. M.
Published: May 2016

The reaction between the 4,5‐diethoxymethyleneoctahydroxanthylium perchlorate (I) and the primary aromatic and heteroaromatic amines (II) affords the novel title compounds (III) (13 examples) in high yields.
ChemInform Abstract: Ruthenium Tetroxide Oxidation of 3,4‐Dihydroisoquinolin‐1(2H)‐ones: An Efficient Synthesis of Isoquinoline‐1,3,4(2H)‐triones.
Authors: YOSHIFUJI S. , ARAKAWA Y.
Published: May 2016

The dihydroisoquinolinones (IIIa) as well as the N‐substituted dihydroisoquinolinones (IIIb) ‐ (IIId) are oxidized with ruthenium tetroxide, generated in situ from ruthenium dioxide hydrate, to produce the isoquinoline triones (IV).
ChemInform Abstract: Alkylation of 1‐Substituted 1,2,3‐Triazolo(4,5‐c)pyridines by tert.‐Butanol.
Authors: YUTILOV YU. M. , SMOLYAR N. N.
Published: May 2016

In the presence of AgNO3 the system tBuOH (IV)/(NH4)2S2O8 generates methyl radicals, whereas in the absence of AgNO3 2‐hydroxy‐2‐methylpropyl radicals are generated.
ChemInform Abstract: Synthesis and Biological Activity of 5‐Substituted 8‐Oxo‐8H‐phthalazino(1,2‐b)quinazolines.
Authors: RAZVI M. , RAMALINGAM T. , SATTUR P. B.
Published: May 2016

Twelve title compounds of type (III) are prepared and tested for their antiinflammatory, motor and antihypertensive activity.
ChemInform Abstract: Rapid Synthesis of 2,3,11,11a‐Tetrahydro‐6H‐pyrazino(1,2‐b)isoquinoline‐1,4‐diones Through an Amido Iminium Ion Cyclization.
Authors: ONG C. W. , LEE H. C.
Published: May 2016

The title diones (Va) and (Vb) are synthesized from the glycine anhydride (II) and the aldehyde (I) through an amido iminium ion cyclization reaction.
ChemInform Abstract: Conformational Analyses of (2.2)Phanes of 4‐Pyranone Generated by Pyrolysis.
Authors: MASSA W. , SCHWEEN M. , STEUBER F. W. , WOCADLO S.
Published: May 2016

The synthesis of the phane (IV) is accomplished according to conventional routes for the phane chemistry by pyrolysis of the respective bis(sulfone) derived from the compound (III).
ChemInform Abstract: Synthesis of 2,6‐Epithio‐3‐benzazocine Derivatives.
Authors: HORI M. , KATAOKA T. , SHIMIZU H. , IMAI E. , KOIDE T. , IWATA N. , KURONO M.
Published: May 2016

The isothiochromans (I) are converted into the (ethoxycarbonylaminoethyl)isothiochroman sulfoxides (X) as outlined in the reaction scheme.
ChemInform Abstract: Reaction of α‐Carbonyl Phosphonites with Hexafluoroacetone.
Authors: PRISHCHENKO A. A. , LIVANTSOV M. V. , BOGANOVA N. V. , LUTSENKO I. F.
Published: May 2016

The acylphosphonites (I) react with hexafluoroacetone (II) to give the phosphites (III) thus demonstrating the lability of the P‐C bond in (I).
ChemInform Abstract: Reactions of 1,2‐Oxaphospholene 2‐Oxides. Part 6. Free‐Radical and Nucleophilic Substitution at C5: Anomalous Proton‐Transfer Behavior of Cyclic Acetals.
Authors: RARDON D. , MACOMBER R. S.
Published: May 2016

The 2‐hydroxy‐1,2‐oxaphospholene 2‐oxide (I) undergoes radical‐induced bromination to form the 5‐bromo derivative (II).
ChemInform Abstract: Preparation of (NS)(AlCl4) and (NS)(CF3SO3) and Reactions of the Thiazyl Cation with Thiadiazoles and Organoselenium Halides: X‐Ray Crystal Structure of (N2S2SeCl)(AlCl4).
Authors: APBLETT A. , CHIVERS T. , FAIT J. F.
Published: May 2016

The thiazyl cation NS+ is a fundamental species in S‐N chemistry.
ChemInform Abstract: Reaction of Sulfur with the 1,2‐Addition Products of Ethoxytitanium Chlorides and N,N,N′‐Tris(trimethylsilyl)phosphenimidous Amide.
Authors: BRUSILOVETS A. I.
Published: May 2016

Reaction of the adducts (I) mentioned in the title with elemental sulfur gives the S‐insertion product (III).
ChemInform Abstract: New Azasilatranes: Bidentate and Tridentate Coordination Modes of the Novel Ligand Cyclic EtOSi(Ph2PNCH2CH2)2(HNCH2CH2)N.
Authors: GUDAT D. , DANIELS L. M. , VERKADE J. G.
Published: May 2016

The synthesized title ligand (III) reacts easily with S8 and MeI via quaternization at the P sites to give the bis(phosphine sulfide) (IV) (space group P21/c, Z=4) and the bis(phosphonium) salt, respectively.
ChemInform Abstract: Photolysis of Alkoxy‐Substituted Disilanyliron Complexes: Preparation of Donor‐Stabilized Bis(silylene)iron Complexes and the Crystal Structure of Cyclic (Me2Si)‐((η5‐C5Me5)Fe(CO))‐(SiMe(OMe))‐OMe.
Authors: TOBITA H. , UENO K. , SHIMOI M. , OGINO H.
Published: May 2016

Photolysis of the disilanyl‐Fe complex (I) affords the novel donor‐stabilized bis(silylene)‐Fe complexes (IIa) (space group P212121, Z=4) and (IIb).
ChemInform Abstract: An Adduct with a One‐Dimensional Chain Structure from Bis(hexafluoroacetylacetonato)copper(II) and an Aliphatic Nitroxyl Diradical.
Authors: MATSUNAGA P. T. , MCCALL D. T. , CARDUCCI M. D. , DOEDENS R. J.
Published: May 2016

The reaction of the new nitroxyl diradical (II) with the copper complex (I) yields the green‐brown dichroic product (III).
ChemInform Abstract: Ruthenium(II) Complexes of N,N′‐Bridged Derivatives of 2,2′‐Biimidazole.
Authors: GOULLE V. , THUMMEL R. P.
Published: May 2016

Molecular mechanics calculations are employed to compare the geometries of the ligands in the new complexes (III), (V), (VI) and (VII) to those of analogous 2,2'‐bipyridine systems.
ChemInform Abstract: Enantioselective Synthesis of Flavonoids. Part 1. Polyoxygenated Chalcone Epoxides.
Authors: AUGUSTYN J. A. N. , BEZUIDENHOUDT B. C. B. , FERREIRA D.
Published: May 2016

Epoxidation of a series of chalcones such as (I) with H2O2 in the presence of poly‐α‐amino acid catalysts yields chiral epoxides such as (II) in moderate to high optical yields.
ChemInform Abstract: A Novel Synthesis of β‐Phenylglucuronides Using the Mitsunobu Reaction; an Application of Phenolic Chromium Tricarbonyl Complexes.
Authors: BADMAN G. T. , GREEN D. V. S. , VOYLE M.
Published: May 2016

Methyl tri‐O‐acetyl‐D‐glucopyranuronate (I) reacts with phenols e.g. (II) under Mitsunobu conditions to give β‐phenylglucuronides such as (III).
ChemInform Abstract: Synthesis of Vinca Alkaloids and Related Compounds. Part 41. Cycloprop(1,2)indolizino(8,7‐b)indole Derivatives.
Authors: DANCSO A. , KALAUS G. , KAJTAR‐PEREDY M. , SZABO L. , SZANTAY C.
Published: May 2016

Condensation of tryptamine (I) with the cyclopropanecarboxaldehyde (II) according to a slightly modified literature procedure affords a separable mixture of the lactam esters (III) and (IV).
ChemInform Abstract: Synthesis of (‐)‐Probetaenone I: Structural Confirmation of Biosynthetic Precursor of Betaenone B.
Authors: MIKI S. , SATO Y. , TABUCHI H. , OIKAWA H. , ICHIHARA A. , SAKAMURA S.
Published: May 2016

The synthetic probetaenone I (IX) is found to be identical with the natural compound, thus confirming clearly the structure of the latter.
ChemInform Abstract: Electronic Spectra of SF2 Radicals Between 295 and 495 nm Observed with Resonance‐Enhanced Multiphoton Ionization Spectroscopy
Authors: JOHNSON R. D. III , HUDGENS J. W.
Published: May 2016

(REMPI).
ChemInform Abstract: Polymorphism of Ba(BrO3)2 and Sr(IO3)2 ‐ Crystal Structure, X‐Ray, IR, Raman, and Thermoanalytical Data.
Authors: LUTZ H. D. , ALICI E. , KELLERSOHN T. , KUSKE P.
Published: May 2016

Dehydration of the monohydrates of the title compounds (Ba(ClO3)2·H2O type of structure) at temp. between 60 and 95 °C in a vacuum yields the isotypic polymorphs Ba(BrO3)2‐I and α‐Sr(IO3)2 (C2/c, Z=4; α‐Ba(IO3)2 type).
ChemInform Abstract: Natural‐Abundance Two‐Dimensional Solid‐State 29Si NMR Investigations of Three‐Dimensional Lattice Connectivities in Zeolite Structures.
Authors: FYFE C. A. , FENG Y. , GIES H. , GRONDEY H. , KOKOTAILO G. T.
Published: May 2016

The 3D lattice connectivities in zeolites ZSM‐12 and KZ‐2 are studied by natural‐abundance 29Si/29Si COSY and INADEQUATE 2D NMR experiments.
ChemInform Abstract: Physicochemical Characterization of ZSM‐5 Zeolites with Various Si/Al Ratios, Obtained With and Without Template.
Authors: SCHWIEGER W. , BERGK K. H. , ALSDORF E. , FICHTNER‐SCHMITTLER H. , LOEFFLER E. + , LOHSE U. , PARLITZ B.
Published: May 2016

ZSM‐5 zeolites prepared using (C3H7)4NI as templating agent and on a template‐free route are compared with reference to their properties, e.g. crystallinity and pore volume (XRD, electron microscopy, DTA/DTG, NH3‐TPD, adsorption).
ChemInform Abstract: Synthesis and Characterization of a New Crystalline Tin(IV) Arsenophosphate Ion Exchanger.
Authors: NATH K. V. S. , TANDON S. N.
Published: May 2016

A new tin(IV) based layered ion exchanger consisting of a single crystalline phase containing HPO4 and HAsO4 anions in 1:1 ratio is prepared by precipitation from a solution containing SnCl4, H3PO4, and As2O5 and refluxing of the amorphous precursor after addition of HNO3.
ChemInform Abstract: Stereochemical Consequences of a Parity Restriction on Dynamic Gearing in Tris(9‐triptycyl)germanium Chloride and Tris(9‐triptycyl)cyclopropenium Perchlorate.
Authors: CHANCE J. M. , GEIGER J. H. , OKAMOTO Y. , ABURATANI R. , MISLOW K.
Published: May 2016

The crystal and molecular structures of the two title compounds (I) (space group R3c, Z = 6) and (II) (P63/m, Z=2) are determined.
ChemInform Abstract: Topological Resonance Energies of Some Forms of the Flavylium Chromophoric System.
Authors: AMIC D. , JURIC A. , TRINAJSTIC N.
Published: May 2016

The topological resonance energy (TRE) model is used to study the aromatic stability of cationic form (= AH+; e.g. (I)) and anhydrobase form (= A; e.g. (II)) of the flavylium chromophoric system.
ChemInform Abstract: Electroreductive Ring‐Opening of α,β‐Epoxy Carbonyl Compounds and Their Homologues Through Recyclable Use of Diphenyl Diselenide or Diphenyl Ditelluride as a Mediator.
Authors: INOKUCHI T. , KUSUMOTO M. , TORII S.
Published: May 2016

Various oxiranes with acyl substituents or bearing analogous electron‐withdrawing groups are subjected to electroreductive cleavage in the presence of dimethyl malonate and catalytic amounts of diphenyl diselenide or ditelluride, yielding β‐hydroxy esters such as (II) or nitriles such as (IV) or β‐hydroxy ketones such as (VIII).
ChemInform Abstract: Synthesis and Derivatization of 4‐Arylsulfonylthiophene‐ and ‐furan‐2‐sulfonamides.
Authors: HARTMAN G. D. , HALCZENKO W.
Published: May 2016

Novel title sulfonamides such as (VIa)‐(VIc) are prepared starting from the in situ obtained Li‐heterocycles (I) and the disulfides (II).
ChemInform Abstract: Synthesis of Novel Carbo‐ and Heterocycles. Part 17. Intramolecular 1,3‐Dipolar Cycloaddition Reaction of 3‐endo‐Azidobicyclo(3.3.1)non‐6‐ene. A Facile Route to 5‐Azaprotoadamant‐4‐ene.
Authors: EGUCHI S. , SUZUKI T. , TOI N. , SASAKI T.
Published: May 2016

Thermolysis of 3‐endo‐azidobicyclo(3.3.1)non‐6‐ene (I) in toluene and subsequent treatment with methanol yield the azatricyclodecene (II) which is methylated to produce the iminium iodide (IV).
ChemInform Abstract: Rearrangement of an Allyl Vinyl Rhenium Complex to a Rhenium Allyl Vinyl Ketone Complex via Two Consecutive Concerted Organometallic Rearrangements.
Authors: CASEY C. P. , VOSEJPKA P. C. , GAVNEY J. A. JUN.
Published: May 2016

The alkylated complex (III) decomposes slowly at 90 °C and is stable at 25 °C, whereas (V) rearranges at 25 °C rapidly (t1/2 = 10 min) to produce the Re complex (VI) of an allyl vinyl ketone.
ChemInform Abstract: Photoformylation Reactions. Part 1. Photochemical Formylation of Carbazole and Diphenylamine.
Authors: CHOWDHURY B. K. , SAHA C. , PODDER G. , BHATTACHARYYA P.
Published: May 2016

Diphenylamine (I) and carbazole (V) are found to undergo photochemical formylation when exposed to sunlight in a chloroform solution.
ChemInform Abstract: Carbon‐Carbon Bond Formation Under Aqueous Reaction Conditions Using Sulfonium and Selenonium Salt Electrophiles.
Authors: WINKLER J. D. , FINCK‐ESTES M.
Published: May 2016

The 1,3‐dicarbonyl compounds (I), (IV), and (VI) are methylated at the activated position using the dibenzothiophenium salt (IIa) or its selenonium analogue (IIb).
ChemInform Abstract: The Carboxylation of Active Methylene Compounds with Diphenylcarbodiimide and Potassium Carbonate.
Authors: CHIBA K. , TAGAYA H. , KARASU M. , ONO T. , KUGIYA M.
Published: May 2016

Fluorene (I) reacts with diphenylcarbodiimide in the presence of potassium carbonate and CO2 to form the 9‐carboxylic acid (III).
ChemInform Abstract: Stereospecific Telluride‐Mediated Conversion of Glycidols to Allyl Alcohols: An Extension of the Sharpless Kinetic Resolution.
Authors: DISCORDIA R. P. , DITTMER D. C.
Published: May 2016

The racemic allylic alcohols (±)‐(I) are kinetically resolved by Sharpless epoxidation to give the chiral oxiranes (II) and the chiral alcohols (+)‐(I).
ChemInform Abstract: Synthesis and Anticonvulsant Activity of 2‐Benzylglutarimides.
Authors: GOEHRING R. R. , GREENWOOD T. D. , NWOKOGU G. C. , PISIPATI J. S. , ROGERS T. G. , WOLFE J. F.
Published: May 2016

The 2‐benzylglutarimides (V) are prepared by treatment of disodioglutarimide (III) with the benzyl halides (IV).
ChemInform Abstract: 3‐Butenyl Esters as Convenient Protecting Groups for Carboxylic Acids.
Authors: BARRETT A. G. M. , LEBOLD S. A. , ZHANG X.
Published: May 2016

Carboxylic acids are converted to 3‐butenyl esters such as (III), e.g. via the corresponding acid chlorides.
ChemInform Abstract: Thermal Reactions of Donor Acceptor Systems. Part 8. Asymmetric Induction in Inverse Diels‐Alder Reactions of the Chiral c,d(captodative)‐Olefin (2S)‐2‐(tert‐Butyl)‐5‐methylene‐1,3‐dioxolan‐4‐one.
Authors: MATTAY J. , KNEER G. , MERTES J.
Published: May 2016

Acrolein (I) reacts with the chiral tert‐butylmethylenedioxolanone (II) to produce the dihydropyran (III).
ChemInform Abstract: Synthesis of 4‐Phenylcoumarins.
Authors: BOSE P. , BANERJI J.
Published: May 2016

Pechmann condensation of the resorcinol (I) with the esters (II) and (IV) affords the new 4‐phenylcoumarins (III) and (V)/(VI).
ChemInform Abstract: A Removable Auxiliary for Amidomercuration Reactions: The Stereoselective Preparation of Substituted N‐Acyl Pyrrolidines and Piperidines.
Authors: TAKACS J. M. , HELLE M. A. , TAKUSAGAWA F.
Published: May 2016

Salicylamide (I) undergoes cyclocondensation with the ω‐unsaturated aldehydes (II) or (VI) to form the alkenylbenzoxazinones (III) or (VII) and (VIII).
ChemInform Abstract: Reactivity of 2‐Methyl‐4‐(1‐pyrrolidinyl)‐2H‐1,2‐benzothiazine 1,1‐Dioxide Towards p‐Toluenesulfonyl Azide.
Authors: CONSONNI R. , DALLA CROCE P. , FERRACCIOLI R.
Published: May 2016

The dioxide (II) is prepared from the 3‐methoxycarbonyl derivative (I) by a novel one‐pot procedure in improved yield and converted to the title compound (IV).
ChemInform Abstract: N‐N Bond Cleavage: A Route to Macrocyclic Dilactams.
Authors: MENG Q. , HESSE M.
Published: May 2016

4‐Oxopentanoic acid (I) reacts with hydrazine hydrate (II) to produce the methyldihydropyridazinone (III) which is reduced with sodium cyanoborohydride to give the methyltetrahydropyridazinone (IV).
ChemInform Abstract: Preparation and Cyclization of Some Phosphorylated Dicarboxylic Acid Monohydrazides.
Authors: NIKONOROV K. V. , ANTOKHINA L. A. , GANIEV F. F.
Published: May 2016

The phosphorohydrazidates (I) are coupled with the cyclic anhydrides (II) to give the title compounds (III) which are dehydrated, producing the N‐phosphorylamino imides (IV).
ChemInform Abstract: Synthesis of Silanyloxyarsolanes.
Authors: ASLANIDIS P. , KOBER F.
Published: May 2016

Reaction of the chloroarsolanes (I) with the sodium silanolate (II) gives the siloxyarsolanes (III).
ChemInform Abstract: On the 1,3‐Isomerization of Nonracemic α‐(Alkoxy)allylstannanes.
Authors: MARSHALL J. A. , GUNG W. Y.
Published: May 2016

The α‐alkoxyalkylstannanes (I) are rearranged upon treatment with boron trifluoride etherate to yield the 3‐alkoxyallylstannanes (II).
ChemInform Abstract: Amphiphilic Carbene Complexes: Both Electrophiles and Nucleophiles Attack the Carbene Carbon of C5H5(CO)2Re=CHR.
Authors: CASEY C. P. , VOSEJPKA P. C. , ASKHAM F. R.
Published: May 2016

The amphiphilic character of the carbene‐Re complex (I) is confirmed by the reactions shown in the scheme.