bluuebunny/crossref_metadata_2025_split huggingface dataset:
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

AbstractReaction 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

AbstractThe 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

AbstractPhotolysis 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

AbstractThe 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

AbstractMolecular 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

AbstractEpoxidation 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

AbstractMethyl 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

AbstractCondensation 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

AbstractThe synthetic probetaenone I (IX) is found to be identical with the natural compound, thus confirming clearly the structure of the latter.
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

AbstractDehydration 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

AbstractThe 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

AbstractZSM‐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

AbstractA 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

AbstractThe 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

AbstractThe 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

AbstractVarious 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

AbstractNovel 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

AbstractThermolysis 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

AbstractThe 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

AbstractDiphenylamine (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

AbstractThe 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

AbstractFluorene (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

AbstractThe 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

AbstractThe 2‐benzylglutarimides (V) are prepared by treatment of disodioglutarimide (III) with the benzyl halides (IV).
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

AbstractAcrolein (I) reacts with the chiral tert‐butylmethylenedioxolanone (II) to produce the dihydropyran (III).
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

AbstractSalicylamide (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

AbstractThe 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

Abstract4‐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

AbstractThe 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: On the 1,3‐Isomerization of Nonracemic α‐(Alkoxy)allylstannanes.
Authors: MARSHALL J. A. , GUNG W. Y. 
Published: May 2016

AbstractThe 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

AbstractThe amphiphilic character of the carbene‐Re complex (I) is confirmed by the reactions shown in the scheme.
ChemInform Abstract: “Higher Order” Cyanocuprates R2Cu(CN)Li2: Discrete Reagents of “Lower Order” LiCN‐Modified Gilman Cuprates?
Authors: LIPSHUTZ B. H. , SHARMA S. , ELLSWORTH E. L. 
Published: May 2016

AbstractThe generation of the title compound (I) is accomplished in both THF and Me2S/Et2O from the usual admixture of 2 equiv. MeLi in Et2O with CuCN.
ChemInform Abstract: Five‐ and Six‐Membered Exo‐Cyclopalladated Compounds of N‐Benzylideneamines. Synthesis and X‐Ray Crystal Structure of Cyclic (PdBr(p‐MeOC6H3(CH2)2N=CH(2,6‐Cl2C6H3))(PPh3)) and (PdBr(C6H4CH2N=CH(2,6‐Cl2C6H3))(PEt3)2).
Authors: ALBERT J. , GOMEZ M. , GRANELL J. , SALES J. , SOLANS X. 
Published: May 2016

AbstractThe imine (I) is cyclometalated to give the "endo" complex (III), which gives the corresponding bromo‐bridged compound on reaction with LiBr.
ChemInform Abstract: Transformation of O2S(CCCMe3)2 to an exo‐Alkylidenethiete 1,1‐Dioxide Ligand by Pt‐H Addition and Rearrangement Reactions.
Authors: LUKEHART C. M. , MCPHAIL A. T. , MCPHAIL D. R. , OWEN M. D. 
Published: May 2016

AbstractReaction of the dialkynyl sulfone (I) with the Pt complex (II) results in cyclization, producing the thiete 1,1‐dioxide Pt complex (III).
ChemInform Abstract: Inter‐ and Intramolecular Hetero‐Diels‐Alder Reactions. Part 29. Synthesis of Enantiomerically Pure Heterosteroids by Intramolecular Hetero‐Diels‐Alder Reaction.
Authors: TIETZE L. F. , BEIFUSS U. , LOEKOES M. + , RISCHER M. , GOEHRT A. + , SHELDRICK G. M. 
Published: May 2016

AbstractThe title compounds (I) and (V) are produced with high diastereoselectivity by a new general pathway.
ChemInform Abstract: Fluorination of Sulfur‐Containing Amino Acids: Reaction of Xenon Difluoride with Cysteine Derivatives.
Authors: HUANG X. , BLACKBURN B. J. , AU‐YEUNG S. C. F. , JANZEN A. F. 
Published: May 2016

AbstractThe reaction of XeF2 with cysteine derivatives such as (I) leads to the fluorinated products (II) and (III), which decompose to give the alkenes (IV) and (V).
ChemInform Abstract: Synthesis of N‐(4‐(2‐(2,4‐Diamino‐1,6‐dihydro‐6‐oxo‐5‐pyrimidinyl)ethylamino)benzoyl)‐L‐glutamic Acid. An Acyclic Analogue of 5,6,7,8‐Tetrahydrofolic Acid.
Authors: KELLEY J. L. , MCLEAN E. W. 
Published: May 2016

AbstractThe title compound L‐(IVa), a two carbon analogue of 5‐DACTHF L‐(IVc), is found to be less cytotoxic toward Detroit 98 or L cells than L‐(IVc).
ChemInform Abstract: Studies in Nucleosides. Part 27. Synthesis of 2,4‐Bis(methylthio)‐5‐methyl‐7‐substituted‐7H‐pyrrolo(2,3‐d)pyrimidines and Their Biological Activity.
Authors: DEO K. , AVASTHI K. , PRATAP R. , BHAKUNI D. S. , JOSHI M. N. 
Published: May 2016

AbstractThe pyrrolopyrimidine (IV) is converted to a series of 7‐alkyl/aryl derivatives of type (VI) (15 examples) which may be considered as acyclic nucleosides.
ChemInform Abstract: Oxidation of Bi(Pb)‐Sr‐Ca‐Cu‐Ag Metallic Precursors to Produce Oxide/Ag Superconducting Microcomposites.
Authors: GAO W. , LI S.‐C. , RUDMAN D. A. , YUREK G. J. , VANDER SANDE J. B. 
Published: May 2016

AbstractMelt‐spun metallic precursors ribbons with nominal composition Bi1.4Pb0.6Sr2Ca3Cu4Agx (x = 3‐11) are subjected to a two‐step treatment: first oxidation and then annealing under controlled atmosphere.
ChemInform Abstract: A 5.5 Ah Ca/Sr(AlCl4)2‐SOCl2 C‐Size Cell
Authors: COHEN R. , LAVI Y. , PELED E. 
Published: May 2016

Abstractis developed and found to have about 30% more capacity than a previously described Ca/SOCl2 cell, which has a smaller electrode area and a Tefzel separator with lower porosity.
ChemInform Abstract: Modulated Reflectance Spectroscopy and Voltammetry of the Sulfide/Gold System.
Authors: LEZNA R. O. , DE TACCONI N. R. , ARVIA A. J. 
Published: May 2016

AbstractThe electrosorption of sulfide species on Au and the growing conditions for S‐containing multilayers are investigated using the combined title methods (pH 7.0 and 9.2, 25 °C).
ChemInform Abstract: Organolanthanoid‐Catalyzed Cyclodimerizations of Disubstituted Alkynes.
Authors: HEERES H. J. , HEERES A. , TEUBEN J. H. 
Published: May 2016

AbstractThe lanthanoid alkyls (η5‐C5Me5)2LnCH(SiMe3)2 (Ln: La, Ce) are efficient catalysts for the cyclodimerization of the 2‐alkynes (I) and (IV) to the 1,2‐disubstituted 3‐alkylidenecyclobutenes (II), and (V) + (VI) with dominating (V).
ChemInform Abstract: A Route to Linear, Bridged, or Spiro Polycyclic Compounds: Sequential Use of the Intermolecular Diels‐Alder Reaction and Radical Cyclization.
Authors: CLIVE D. L. J. , BERGSTRA R. J. 
Published: May 2016

AbstractDiels‐Alder reaction of the phenylseleno‐substituted dienes (I) and (VI) with the dienophiles (II) or (VII) produces the cycloadducts (III) and (VIII).
ChemInform Abstract: Migration of a Benzyl Group in the Lossen‐Like Rearrangement of an N‐Phosphinoyl‐O‐sulfonylhydroxylamine.
Authors: HARGER M. J. P. , SMITH A. 
Published: May 2016

AbstractTo study the mechanism of the Lossen‐like rearrangement the phosphino derivative (I) is treated with tBu‐NH2 or alkoxides.
ChemInform Abstract: Electron Transfer Induced Photochemical Reactions of (Silylallyl)iminium and Benzylpyrrolinium Salts by Dual Diradical and Diradical Cation Cyclization Pathways.
Authors: CHO I.‐S. , TU C.‐L. , MARIANO P. S. 
Published: May 2016

AbstractThe electron transfer induced photocyclization of a series of the title compounds such as (I), (IV) or (VII) is investigated in order to get information about their mechanistic course and to probe their synthetic potential.
ChemInform Abstract: 1‐Oxabicyclobutonium Ions Can Intervene in Epoxycarbinyl and 3‐Oxetanyl Solvolyses.
Authors: FRANCL M. M. , HANSELL G. , PATEL B. P. , SWINDELL C. S. 
Published: May 2016

AbstractSolvolysis of erythro‐ (I) and threo‐epoxide (V) yields stereospecifically trans‐ and cis‐oxetane derivatives (III) + (IV) and (VII) + (VIII), respectively.
ChemInform Abstract: Electrophilic Reactions at Single Bonds. Part 24. Trifluoromethanesulfonic Acid Catalyzed Electrophilic Sulfuration of Alkanes (Cycloalkanes) with Elemental Sulfur to Dialkyl (Dicycloalkyl) Sulfides.
Authors: OLAH G. A. , WANG Q. , PRAKASH G. K. S. 
Published: May 2016

AbstractThe superacid‐catalyzed sulfuration of alkanes such as (I) to give the sulfides (III) is the first selective preparative sulfuration reaction of saturated hydrocarbons.
ChemInform Abstract: Organomanganese(II) Reagents. Part 19. Acylation of Organomanganese Chlorides by Carboxylic Acid Chlorides in THF: A Clear Improvement in the Field of the Preparation of Ketones from Organomanganese Compounds.
Authors: CAHIEZ G. , LABOUE B. 
Published: May 2016

AbstractThe Grignard compounds (I) are transmetallated with MnCl2·LiCl (II) to form the intermediate organomanganese chlorides (III) which are coupled with the acyl chlorides (IV) to produce the ketones (V).
ChemInform Abstract: t‐Butoxyethyne as a Convenient Source of Ketene: Acetylation of Amines Under Essentially Neutral Conditions.
Authors: VALENTI E. , PERICAS M. A. , SERRATOSA F. , MANA D. 
Published: May 2016

AbstractReaction of the amines (I) with the ketene derived from (II) to give the acetamides (III) represents a convenient alternative to the currently available methods for the acetylation of amines under mild and neutral conditions.
ChemInform Abstract: Organic Syntheses via Transition Metal Complexes. Part 41. Thioenol Ether by Insertion of Alkynes Into M=C Bonds of Thiocarbene Complexes and Disengagement of Ligands on Silica Gel.
Authors: AUMANN R. , SCHROEDER J. + , HEINEN H. 
Published: May 2016

AbstractThe insertion of the C≡C group of the electron‐rich alkyne (II) into the M=C bond of complexes such as (I) or (IV) forms stereoselectively the (E)‐complexes (III) or (V); with W but not with Cr in addition small amounts of indanone derivatives (VI)‐(VIII) are also obtained (mechanism described).
ChemInform Abstract: Direct Selective Acylation of an Unactivated C‐H Bond in a Caged Hydrocarbon. Approach to Systems for C‐H Bond Functionalization That Proceed Catalytically and Selectively at High Substrate Conversion.
Authors: PROSSER‐MCCARTHA C. M. , HILL C. L. 
Published: May 2016

AbstractIrradiation of MeCN solutions of the caged hydrocarbon (I) containing Na4W10O32 or (Bu4N)4W10O32 under argon leads to the selective production of the 1‐acetyl derivative (IIIa); (IIIb) is the product when CD3CN is used as the solvent.
ChemInform Abstract: Asymmetric Induction of Chiral Heterocyclic Compounds: Highly Diastereoselective Reaction of 5‐Oxa‐7,8a‐diazaperhydroazulen‐8‐ones with Organometallic Reagents.
Authors: TAKAHASHI H. , MORIMOTO I. , HIGASHIYAMA K. 
Published: May 2016

Abstract(S)‐Proline (I) reacts with potassium cyanate (II) to produce the ureas (III) which are converted into the oxadiazaperhydroazulenones (V) by cyclization with the aromatic aldehydes (IV).
ChemInform Abstract: Sulfone‐Mediated Rupe and Raphael Rearrangements.
Authors: BARRE V. , MASSIAS F. , UGUEN D. 
Published: May 2016

AbstractThe propargylic sulfones (I) react with sodium methoxide (II) in methanol to form the enol ethers (III) which are hydrolyzed, producing the β‐keto sulfones (IV).
ChemInform Abstract: Synthesis of 1‐Aryl‐5‐chloropyrazoles.
Authors: DUDINOV A. A. , BELEN'KII L. I. , KRAYUSHKIN M. M. 
Published: May 2016

AbstractThe arylhydrazones (IIIa) ‐ (IIIc) undergo acid‐induced intramolecular ring closure to form the pyrazoles (IVa) ‐ (IVc).
ChemInform Abstract: Stereoselective Intramolecular Nitrone Cycloadditions Promoted by an Allylic Stereocenter.
Authors: ANNUNZIATA R. , CINQUINI M. , COZZI F. , RAIMONDI L. 
Published: May 2016

AbstractReduction of the esters (I), followed by esterification of the alcohols obtained with bromoacetyl bromide (II), and subsequent treatment with silver nitrate (III) produce the nitric acid esters (IV).
ChemInform Abstract: Palladium‐Catalyzed (2,3)Rearrangement of Alkyl Allyl Sulfites to Alkyl Allylsulfonates.
Authors: TAMARU Y. , NAGAO K. , BANDO T. , YOSHIDA Z. 
Published: May 2016

AbstractPd(0)‐catalyzed (2,3)rearrangement of the allyl phenethyl sulfites (I) produces the allylsulfonates (II) and (III).
ChemInform Abstract: Investigation of the One‐Pot Synthesis of N‐(5,6,7,8‐Tetrahydro‐7,7‐dimethyl‐2,5‐dioxo‐2H‐1‐benzopyran‐3‐yl)benzamide.
Authors: KOCEVAR M. , POLANC S. , VERCEK B. , TISLER M. 
Published: May 2016

AbstractAn optimum yield of 58% of the title compound (IV) is attained by reacting equimolar amounts of dimedone (I), hippuric acid (II) and triethyl orthoformate (III) under the conditions shown.
ChemInform Abstract: Synthesis and Properties of Ethanediylidene‐2,2′‐bis(4,5‐ethylenedithio‐1,3‐dithiole). A Vinylogous BEDT‐TTF.
Authors: KHODORKOVSKII V. YU. , VESELOVA L. N. , NEILAND O. YA. 
Published: May 2016

AbstractIn order to obtain further insight into the influence of the structure of electron donators on the electrophysical properties of crystalline solids, the vinylogous BEDT‐TTF (III) is synthesized and characterized.
ChemInform Abstract: Synthesis of 4‐Azidohexahydropyrimidine‐2‐thiones Useful as Effective Amidoalkylating Reagents.
Authors: SHUTALEV A. D. , IGNATOVA L. A. , UNKOVSKII B. V. 
Published: May 2016

AbstractThe title compound (III), prepared from the hydroxy or alkoxy compounds (I), is stable against hydrolysis or alcoholysis at room temperature.
ChemInform Abstract: Synthesis of Substituted 8,9‐Dihydro‐7H‐1,2,4‐triazolo‐(4,3‐b)‐1,2,4‐triazepines.
Authors: JAENECKE G. , VOIGT H. , HEYDENHAUSS D. 
Published: May 2016

AbstractThe reaction of pyrimidines of type (I) with hydrazine does not give the expected 3‐aminotriazolo(1,5‐a)pyrimidines or pyrimido(1,2‐b)tetrazines but the triazepines of type (III) (13 examples).
ChemInform Abstract: Atropisomers of 1,4‐Benzodiazepines. Synthesis and Resolution of a Diazepam‐Related 1,4‐Benzodiazepine.
Authors: GILMAN N. W. , ROSEN P. , EARLEY J. V. , COOK C. , TODARO L. J. 
Published: May 2016

AbstractA novel method for resolution of the known asym.
ChemInform Abstract: 3a‐Azaazulenones with a Carbonyl Group in the 5‐Membered Ring.
Authors: FLITSCH W. , HOHENHORST M. 
Published: May 2016

Abstract3a‐Azaazulenones bearing the carbonyl group in the five‐membered ring are expected to be less stable than their known analogues, which bear the carbonyl function in the seven‐membered ring.