bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Hydroazulene Derivatives. Part 2. Enantioselective Synthesis of the Cyclopentanoid Moiety.
Authors: SCHAEFER H.‐J. + , BARINGHAUS K.‐H.
Published: May 2016

Methylation of the enolate (I) occurs at C(6) affording a 1:1 mixture of the (6R) and (6S) isomers (III) and (IV).
ChemInform Abstract: Decarboxylation of Pyroglutamic Acids with P2O5/CH3SO3H: A General Synthesis of 5‐Aryl‐2‐pyrrolidinones.
Authors: RIGO B. , FASSEUR D. , CHEREPY N. , COUTURIER D.
Published: May 2016

The pyroglutamic acid derivatives (I) are decarboxylated upon treatment with phosphorus(V) oxide and methanesulfonic acid (II) to generate the iminium salts (III) which are directly coupled with the arenes (IV) to produce the 5‐arylpyrrolidinones (V).
ChemInform Abstract: (Z)‐Stereoselective Wittig Olefination of 2‐Oxygenated Indol‐3(2H)‐ones.
Authors: KAWASAKI T. , NONAKA Y. , OHTSUKA H. , SATO H. , SAKAMOTO M.
Published: May 2016

The Wittig reaction of 2‐methoxy‐ (I) and 2‐hydroxyindolone (IX) with stabilized ylides such as (II) and semistabilized ylides such as (VI) is investigated.
ChemInform Abstract: Reaction of Trithiolanes with Dihalocarbenes Under Phase‐Transfer Catalysis. A Convenient Synthesis of Trithiocarbonates and Thionocarbonates.
Authors: GHOSH T.
Published: May 2016

Addition of the dihalocarbenes generated from (II) to the trithiolane (I) produces the trithiocarbonate (V) and the dithiocarbonate (VI) via the intermediates (III) and (IV).
ChemInform Abstract: The Synthesis and Some Reactions of 3‐(2‐Aminophenyl)‐2‐iminothiazolidines. Ring Closure of N‐(2‐Thiocyanatoethyl)‐o‐phenylenediamines: Thiazolidine vs. 3,1,6‐Benzothiadiazocine Formation.
Authors: HORNYAK GY. , BERTHA F. , ZAUER K. , LEMPERT K. , FELLER A. , PJECZKA E.
Published: May 2016

When treated with strong acids, N‐(2‐thiocyanatoethyl)‐o‐phenylenediamines such as (II) derived from the nitroamines (I) are cyclized exclusively to the title iminothiazolidines (III), while the known related N‐alkyl‐N‐(2‐thiocyanatoethyl)‐o‐phenylene diamines give benzothiadiazocines under the same conditions.
ChemInform Abstract: Hindered N‐Oxides of Cavity‐Shaped Molecules.
Authors: ANTKOWIAK R. , ANTKOWIAK W. Z. , CZERWINSKI G.
Published: May 2016

Derivatives of 2,2'‐bipyridines, which are bridged via their 3,3'‐positions by one to four methylene units, were prepared earlier and their N‐oxide formation was investigated.
ChemInform Abstract: Phosphorus Pentoxide in Organic Synthesis. Part 39. Synthesis of 3‐Arylthieno(2,3‐d)pyrimidin‐4(3H)‐ones from 2‐Acetylamino‐3‐thiophenecarbonitriles.
Authors: MOGENSEN J. , HILMY K. M. H. , PEDERSEN E. B.
Published: May 2016

Condensation of the 2‐acetylaminothiophenes (I) with the arylamine hydrochlorides (II) in the presence of N,N‐dimethylcyclohexylamine hydrochloride, water and P2O5 affords the title compounds (III) (16 examples) under optimized conditions in fair to high yields.
ChemInform Abstract: N‐Methyl Derivatives of (1,2,5)Thiadiazolo(3,4‐b)quinoxaline and the Selenium Analogs.
Authors: YAMASHITA Y. , SAITO K. , MUKAI T. , MIYASHI T.
Published: May 2016

The fused thia‐ or selenadiazoles (I) are reduced with NaH to form the dihydro compounds (II) which are methylated, yielding the dimethyl derivatives (IV) or the monomethylated salts (VI).
ChemInform Abstract: Reinvestigation of the Reactions of Fluorinated 3‐Aroylmethyleneindol‐2‐ones with Thiourea and Phenylthiourea: Synthesis of a Novel 1,3‐Diazepino(4,5‐b)indole‐2‐thione System.
Authors: JOSHI K. C. , JAIN R. , ARORA S.
Published: May 2016

Treatment of 3‐aroylmethyleneindol‐2‐ones (cf.
ChemInform Abstract: A Simple and Convenient Method for Synthesizing Trialkoxyboranes and Trialkoxyboroxins Using Calcium Hydride as a Drying Agent.
Authors: COLE T. E. , QUINTANILLA R. , RODEWALD S.
Published: May 2016

Boric acid (I) reacts with alcohols such as (II) in the presence of CaH2 to give the corresponding esters (III).
ChemInform Abstract: Synthesis and NMR Spectroscopic Investigations of Dibenzo(d,g)‐1,3‐dioxa‐2‐element‐6‐silocine.
Authors: NIETZSCHMANN E. , BOEGE O. + , DARGATZ M. , HEINICKE J. , KADYROV R. , TZSCHACH A.
Published: May 2016

As demonstrated for (IIIa), bis‐(o‐halogenoaryloxy)silanes such as (I) react with sodium via metalation and a fast two‐step (1.3) rearrangement to the sodium salts of bis‐(o‐hydroxyaryl)silanes.
ChemInform Abstract: Reactive E=C(p‐p)π‐Systems. Part 23. Unexpected Isomerization of Perfluoroisopropylidenephosphane F3CP=C(CF3)2 to the Perfluoroisopropenylphosphane F3CPF(F3C)C=CF2.
Authors: GROBE J. , LE VAN D.
Published: May 2016

The elimination of Me3SnF from the stannylphosphane (III) by gas‐phase pyrolysis surprisingly yields the isopropenylphosphane (VI) instead of the expected isopropylidene derivative (V).
ChemInform Abstract: A Practical Approach to Homo Trialkyl Phosphonates: A Catalytic Michaelis‐Arbuzov Reaction.
Authors: YADAV V. K.
Published: May 2016

The trialkyl phosphites (I) are treated with catalytic amounts of iodine to undergo rearrangement, yielding the dialkyl alkylphosphonates (II) which are isolated by distillation.
ChemInform Abstract: Synthesis of trans‐1,2‐Difluoroethenediylbis(phosphonic acid) and Other Unsaturated Phosphonic Acids.
Authors: SU D. , GUO C.‐Y. , WILLETT R. D. , SCOTT B. , KIRCHMEIER R. L. , SHREEVE J. M.
Published: May 2016

The title bis(phosphonic acid) (V), and the phosphonic acids (XI) and (XIII) are prepared according to the scheme.
ChemInform Abstract: A New Synthesis of α‐Phosphinoyl Cycloalkanones by Phosphinylation of Cycloalkanone Enolates. Crystal and Molecular Structure of 2‐(Diphenylphosphinoyl)‐3‐(tris(methylthio)methyl)cyclopentanone and 2‐(Diphenylphosphinoyl)‐3‐carbomethoxycyclopentanone.
Authors: MIKOLAJCZYK M. , KIELBASINSKI P. , WIECZOREK M. W. , BLASZCZYK J. , KOLBE A.
Published: May 2016

Lithiation of the cycloalkanones (I) followed by coupling with the phosphinous chloride (II) and oxidation with air produces the phosphinoyl derivatives (IV) mentioned in the title.
ChemInform Abstract: Synthesis, Structure, and Stereoisomerism of 1,3‐Di‐tert‐butyl‐1,3,2,4‐diazadistibetidines.
Authors: ROSS B. , BELZ J. , NIEGER M.
Published: May 2016

Starting with the dichloride (I) a series of 2,4‐disubstituted 1,3,2,4‐diazadistibetidines is synthesized.
ChemInform Abstract: A New Route to Early‐Late Heterobimetallic μ‐Alkylidene Complexes.
Authors: CASEY C. P. , ASKHAM F. R. , PETROVICH L. M.
Published: May 2016

The first compounds (III), in which a μ‐alkylidene ligand bridges a Group IV‐late transition‐metal bond, are obtained by the addition of the Zr‐H bond of (II) to the carbene complexes (I).
ChemInform Abstract: Tetrahedral Copper(II) Complexes Supported by a Hindered Pyrazolylborate. Formation of the Thiolato Complex, Which Closely Mimics the Spectroscopic Characteristics of Blue Copper Proteins.
Authors: KITAJIMA N. , FUJISAWA K. , MORO‐OKA Y.
Published: May 2016

Tris(3,5‐diisopropylpyrazolyl)hydridoborate stabilizes the tetrahedral coordination geometry of the prepared Cu(I) complex (III) (space group P21/m, Z=2) with reasonable durability in the solid state and in noncoordinating solvents.
ChemInform Abstract: Starfish Saponins. Part 40. Structures of Two New “Asterosaponins” from the Starfish Patiria miniata: Patirioside A and Patirioside B.
Authors: D'AURIA M. V. , IORIZZI M. , MINALE L. , RICCIO R.
Published: May 2016

Two new asterosaponins, patirioside A (I) and patirioside B (II), are isolated from the starfish Patiria miniata.
ChemInform Abstract: Acetamides of 1,2,3,4,5,6‐Hexahydro‐2,6‐methano‐3‐benzazocine (Benzomorphan), 5,6,7,8,9,10‐Hexahydro‐6,9‐methanobenzocyclo‐octene, and 6,7,8,9,10,11‐Hexahydro‐7,10‐methanocyclo‐octa(b)(1)benzothiophene as Potential Selective Opioid Analgesics.
Authors: IDDON B. , YAT P. N.
Published: May 2016

The conversion of some oximes such as (I), (VI) and (XIIIb) into the corresponding amides is investigated.
ChemInform Abstract: Synthesis and Properties of Thioaldehydes
Authors: USOV V. A. , TIMOKHINA L. V. , VORONKOV M. G.
Published: May 2016

Review: (92 refs.
ChemInform Abstract: Progress in the Chemistry of Sulfenamides
Authors: KOVAL' I. V.
Published: May 2016

Review: (95 refs.
ChemInform Abstract: Tribochemical and Thermal Transitions of LnTa3O9 (Ln: Pr, Nd) ‐ X‐Ray and Electron Microscopic Investigations.
Authors: STEINMANN G. , SCHAFFRATH U. , GRUEHN R.
Published: May 2016

Upon grinding, the monoclinic crystals of LnTa3O9‐M1 (Ln: Pr, Nd; space group P21/m, Z=2) undergo a tribochemical phase transition to form a new modification, LnTa3O9‐M2, with significant higher density.
ChemInform Abstract: Effects of Incorporated Sodium on Photoluminescence and Particle Shapes of CaS:Ce Phosphors.
Authors: MATSUI H. , HASHIZUME G. , OKAMOTO H. , ADACHI G.
Published: May 2016

Spherical particles of CaSO3:Ce·0.5 H2O (I) are precipitated from solutions of (NH4,Na)SO3, Ce2(SO4)3, and CaCl2.
ChemInform Abstract: Optical and Photovoltaic Characteristics of In‐Modified SnO2 Thin Films.
Authors: BADAWY W. A. , AFIFY H. H. , ELGIAR E. M.
Published: May 2016

Pure and In‐containing SnO2 thin films are deposited on glass or Si substrates by means of the combined spray/CVD technique and the effect of In incorporation on the electrical and optical properties of the SnO2 film is studied.
ChemInform Abstract: Chemical Transport of WO3 with HgCl2. Experiments and Calculations.
Authors: SCHORNSTEIN H. , GRUEHN R.
Published: May 2016

In agreement with thermodynamic calculations, experimental results show that HgCl2 is a suitable transportation agent for WO3.
ChemInform Abstract: (E,Z) Equilibria. Part 12. Differential NMR Shielding by Phenyl, Assigned from Chemical Labeling and (Z,E) Equilibration.
Authors: KNORR R. , HINTERMEYER‐HILPERT M. , BOEHRER P. +
Published: May 2016

Deprotonation of (I) leads to the endo‐configurated allyl anion (II) exclusively.
ChemInform Abstract: Aldol Reactions in Polypropionate Synthesis: High π‐Face Selectivity of Enol Borinates from α‐Chiral Methyl and Ethyl Ketones Under Substrate Control.
Authors: PATERSON I. , GOODMAN J. M. , ISAKA M.
Published: May 2016

The chiral β‐keto ester (+)‐(I) is converted to the enol borinate (III) which is selectively coupled with the aldehydes (IV) to produce the β‐keto δ‐hydroxy esters (V).
ChemInform Abstract: Regioselective and Stereospecific Palladium(0)‐Catalyzed Reactions of 4‐Chloroacetoxyalk‐2‐enoic Esters with Carbon and Nitrogen Nucleophiles.
Authors: TANIKAGA R. , JUN T. X. , KAJI A.
Published: May 2016

In the presence of a palladium(0) catalyst, treatment of 4‐chloroacetoxy‐2‐enoic esters such as (I) or (IV) with carbon or nitrogen nucleophiles such as (II) or (V) leads to the products (III) or (VI) regioselectively substituted at the 4‐position.
ChemInform Abstract: Synthetic Studies on O‐Heterocycles via Cycloadditions. Part 3. Regiochemical and Mechanistic Questions in Reactions of Polarized Diaryl Carbonyl Ylides.
Authors: CLAWSON P. , WHITING D. A.
Published: May 2016

Unsymmetrical diaryloxiranes such as (I) undergo smooth cycloaddition with electron‐deficient symmetrical olefins under thermal or photochemical conditions, apparently via polarized carbonyl ylide intermediates.
ChemInform Abstract: Reactions of Butadiene in Zeolite Catalysts by in situ Variable‐Temperature Solid‐State NMR Spectrometry.
Authors: RICHARDSON B. R. , LAZO N. D. , SCHETTLER P. D. , WHITE J. L. , HAW J. F.
Published: May 2016

The mechanisms by which butadiene oligomerizes in acidic zeolite catalysts leading to deactivation by pore blockage are elucidated.
ChemInform Abstract: Radical Ions in Photochemistry. Part 22. Photosensitized (Electron Transfer) Carbon‐Carbon Bond Cleavage of Radical Cations: The 2‐Phenylethyl Ether and Acetal Systems.
Authors: ARNOLD D. R. , LAMONT L. J.
Published: May 2016

In order to provide a firm basis for predicting the reactivity of diphenylethyl and phenylethyl ethers and acetals, the photolysis of compounds such as (I), (V), (VI), and (X) is studied.
ChemInform Abstract: MSXα Study of Absorption Spectra of Free Radicals. Characterization of Rydberg and Valence Transitions in Alkyl Derivatives of Group 14 Centered Radicals.
Authors: CHATGILIALOGLU C. , GUERRA M.
Published: May 2016

Ionization potentials, electronic transition energies, and oscillator strengths are computed for methyl, ethyl, isopropyl, tert.‐butyl and X3M· radicals (M: Si, Ge, Sn; X: ‐H, ‐Me).
ChemInform Abstract: Selective Functionalization. Part 11. Selective Hydrogenation by a Novel Palladium Salicylidene‐ethylenediamine Complex and the Properties of Derivatives of Some Square Planar Homogeneous Hydrogenation Catalysts.
Authors: KERR J. M. , SUCKLING C. J. , BAMFIELD P.
Published: May 2016

Analogues of two reported homogeneous hydrogenation catalysts based upon square planar Pd complexes, e.g. the compounds (V)‐(VII), are prepared; however, no useful catalytic activity of these complexes is found for the reduction of the model compound nitrobenzene to aniline.
ChemInform Abstract: 1,3‐Nitroso Rearrangement and Transnitrosation of 1‐Aryl‐3‐benzyl‐1‐nitrosoureas which Decompose to Liberate Nitrosyl Radicals Under Mild Conditions.
Authors: TANNO M. , SUEYOSHI S. , KAMIYA S.
Published: May 2016

The ureas (III), prepared by reaction of the phenyl isocyanates (I) with benzylamine (II), are nitrosated by treatment with isoamyl nitrite (IV) to produce the regioisomeric N‐nitroso compounds (V) and (VI).
ChemInform Abstract: Alternating High Regioselection in Methyl Group Transfer to Alicyclic Oxiranes. Significance of the Presence of a Remote Polar Group.
Authors: CHINI M. , CROTTI P. , FLIPPIN L. A. , MACCHIA F.
Published: May 2016

The methylating ring opening reactions of the diastereomeric fused oxiranes (I) and (V) are investigated.
ChemInform Abstract: Zeolites in Organic Syntheses: A Novel Route to Functionalized Ketene S,N‐Acetals.
Authors: DESHMUKH A. R. A. S. , REDDY T. I. , BHAWAL B. M. , SHIRALKAR V. P. , RAJAPPA S.
Published: May 2016

The nitroethylene (III) which is an important intermediate in the synthesis of ranitine, a H2‐receptor antagonist and powerful inhibitor of gastric acid secretion used in peptic ulcer therapy, can be prepared from nitromethane (I) as the active methylene compound and the methaneimine (II) using a zeolite catalyst (rare earth exchanged NaY).
ChemInform Abstract: Substituent Effects on the Acid‐Catalyzed Isomerization of 2‐Cyclohepta‐2,4,6‐trienyltropone Derivatives to 2‐Benzyltropones.
Authors: MIYANO H. , NITTA M.
Published: May 2016

The acid‐catalyzed isomerization of the cycloheptatriene ring of cycloheptatrienyltropones to give benzyltropones proceeds via norcaradiene intermediates.
ChemInform Abstract: An Anomalous Simmons‐Smith Reaction of an Alkene to Form an Iodomethyl Derivative.
Authors: CHENIER P. J. , SOUTHARD D. A. JUN.
Published: May 2016

2‐Chloronorbornene (I), derived from norcamphor by a known method, reacts with freshly prepared solutions of diiodomethane (II) and zinc/ copper couple to yield the cyclopropanation product (III).
ChemInform Abstract: Synthesis of Nucleosides and Related Compounds. Part 14. Diels‐Alder Reaction of Di‐l‐menthyl Acetoxymethylenemalonate with Cyclopentadiene: Effects of High Pressure and Catalysts Upon Asymmetric Induction.
Authors: KATAGIRI N. , WATANABE N. , KANEKO C.
Published: May 2016

Asymmetric Diels‐Alder reaction of the acetoxymethylenemalonates (I) with cyclopentadiene (II) is studied.
ChemInform Abstract: A New Rearrangement of Alkoxybenzyl Anions.
Authors: BATES R. B. , SIAHAAN T. J. , SUVANNACHUT K.
Published: May 2016

A new type of alkyl group migration from oxygen to carbon is observed in aryl alkyl ethers which are metalated in the benzylic position.
ChemInform Abstract: General Procedure for the Synthesis of o‐Aminophenylacetates by a Modification of the Gassman Reaction.
Authors: JOHNSON P. D. , ARISTOFF P. A.
Published: May 2016

The tert‐butyl methylsulfenylacetate (III), prepared by reaction of the acid chloride (I) with the lithium salt of the tert‐butanol (II), is treated with sulfuryl chloride and subsequently coupled with the anilines (IV) in the presence of proton sponge to produce the desired Sommelett‐Hauser rearrangement products (V).
ChemInform Abstract: (4.4.4)Propellahexaene by Triple Shapiro Degradation. Structural and Electronic Properties of This Maximally Unsaturated Hydrocarbon and Consequences of O‐Methylation of Its (4.4.4)Propellatrienetrione Precursors.
Authors: PAQUETTE L. A. , LIANG S. , WAYKOLE L. , DELUCCA G. , JENDRALLA H. , ROGERS R. D. , KRATZ D. , GLEITER R.
Published: May 2016

The (4.4.4)propellatrienone (I) is subjected to oxidation with sodium chromate in acetic acid and its anhydride (II) to produce a mixture of the oxiranes (III) and (IV), the trienetriones (V) ‐ (IX), the trienediones (X) ‐ (XIII), and the acetoxy trienedione (XIV).
ChemInform Abstract: Some Transformations of Adducts of Dichlorocarbene and 7‐Substituted Benzonorbornadienes.
Authors: WEGE D.
Published: May 2016

The benzonorbornadienes (I), (XII), and (XIV) are treated with dichlorocarbene generated in situ to produce the dichlorobenzobicyclo(3.2.1)octenes (III) and (IV), (XIII), or (XV) via ring expansion of the fused dichlorocyclopropanes primarily formed.
ChemInform Abstract: Electrophilic Substitution Reactions of Benz(a)indeno(1,2,3‐cd)azulene.
Authors: TODA T. , MINABE M. , YOSHIDA M. , TOBITA K.
Published: May 2016

Several 9‐substituted triptycenes such as (I) are irradiated to produce the title compound (II).
ChemInform Abstract: Cyclophanes. Part 32. Bridging of the (2.2)Paracyclophane Nucleus by a Phenanthrene Unit.
Authors: HOPF H. , MLYNEK C.
Published: May 2016

The diformylparacyclophane (I) reacts with the Grignard compound (II) to produce the dibenzoyl derivative (III) after oxidation.
ChemInform Abstract: Synthesis of 3‐Substituted Furans by Directed Lithiation and Palladium‐Catalyzed Coupling.
Authors: ENNIS D. S. , GILCHRIST T. L.
Published: May 2016

Compound (I) with a protected 5‐position is lithiated at the 3‐position and subsequently converted to a bromozinc intermediate.
ChemInform Abstract: Syntheses of Some Cinnamoylcoumaran‐3‐ones.
Authors: BANERJI K. D. , CHATTERJI R. , ANGACHARI K. , DAS S. C. , MAZUMDAR A. K. D.
Published: May 2016

Five hydroxyacetophenones such as (I) are coupled with p‐methoxycinnamic acid (II) to give the esters (III) which are brominated to yield the cinnamoyl‐ω‐bromoacetophenones (IV).
ChemInform Abstract: Studies on Dipolar Cycloaddition Reactions. Synthesis of 3,4‐Disubstituted 1‐(2,4‐Dichlorobenzamidoyl)azetidin‐2‐ones and Fused δ2‐Pyrazolines.
Authors: SARMA C. S. , GOGOI P. C. , KATAKY J. C. S.
Published: May 2016

The aroylhydrazones (I) react with the acid chlorides (II) in the presence of a base to produce the azetidinones (III).
ChemInform Abstract: Imidazol‐5‐yl Radicals as Reactive Intermediates.
Authors: BOWMAN W. R. , TAYLOR P. F.
Published: May 2016

Imidazol‐5‐yl radicals such as (II) are generated as reactive intermediates in reductions of 5‐halogenoimidazoles such as (I) or (IV).
ChemInform Abstract: Reaction of 3‐(Dimethylamino)‐2H‐azirines with 1,3‐Benzoxazole‐2(3H)‐thione.
Authors: AMETAMEY S. M. , HEIMGARTNER H.
Published: May 2016

The title reaction, which leads to the thiohydantoins (III), proceeds analogously to the reaction of 1,3‐oxazolidine‐2‐thione with azirines (see the preceding communication).
ChemInform Abstract: A Simple and General One‐Pot Synthesis of Some 2H‐Pyran‐2‐ones and Fused Pyran‐2‐ones.
Authors: KEPE V. , KOCEVAR M. , POLANC S. , VERCEK B. , TISLER M.
Published: May 2016

Dicarbonyl compounds such as (I) and (VII) react with N‐acylglycines such as (III) and (VI) and one‐carbon synthons such as (II) and (VIII) to yield pyranones (IV) and (V).
ChemInform Abstract: Synthesis of 2‐t‐Butyl‐5‐hydroxypyrimidine via Hydrolysis of 2‐t‐Butyl‐5‐halopyrimidines.
Authors: PEWS R. G.
Published: May 2016

2‐tert‐Butylpyrimidine (I) reacts with bromine or chlorine to give the 2‐tert‐butyl‐5‐halopyrimidines (II).
ChemInform Abstract: Nucleophilic Reactions of 2‐Methyl‐3‐(4′‐carbomethoxyphenyl)‐4‐quinazolinones with 2‐Indolinones.
Authors: VARMA R. S. , GUPTA P.
Published: May 2016

The methylquinazolinone (I) reacts with the isatin derivatives (II) and (VII) to give the condensation products (III) and (VIII).
ChemInform Abstract: Reactions of Azines. Part 14. Preparation of 5H,7H‐Pyrazolo(1,5‐d)‐(2,4)benzoxazepin‐7‐ones.
Authors: SCHWEIZER E. E. , CAO Z. , HAYES J. E. , RHEINGOLD A. L.
Published: May 2016

Ring closure reaction of the azine phosphoranes (I) with phthalic anhydride (II) is achieved in refluxing toluene, yielding the pyrazolobenzoxazepinones (III).
ChemInform Abstract: Observation of Discrete Trimethylsilylnitrene by Matrix‐Isolation Spectroscopy.
Authors: FERRANTE R. F.
Published: May 2016

The trimethylsilylnitrene radical, Me3SiN, has been produced by interaction of Me3SiN3 or Me3SiNCO with metastable molecular nitrogen or argon and has been trapped and observed directly in nitrogen and argon matrices.
ChemInform Abstract: Triorganoantimony and Triorganobismuth Derivatives of 2‐Pyridinecarboxylic Acid and 2‐Pyridylacetic Acid. Crystal and Molecular Structures of (C6H5)3Sb(O2C‐2‐C5H4N)2 and (CH3)3Sb(O2CCH2‐2‐C5H4N)2.
Authors: DOMAGALA M. , HUBER F. , PREUT H.
Published: May 2016

The pyridinecarboxylate complexes (IV) are synthesized as shown.
ChemInform Abstract: Sulfur Compounds. Part 133. Synthesis and Spectra of New Titanocene Complexes Containing the Chelating Ligands C2S4‐ 4, C2S2‐ 5, and C2S2‐ 6.
Authors: STEUDEL R. , WESTPHAL U.
Published: May 2016

In analogy to the reaction of titanocene dicarbonyl with CS2, the dicarbonyls (I) give the compounds (III) containing the bridging tetrathiolene ligand.
ChemInform Abstract: Facile Synthesis of Complexes of Vanadium(II) and the Crystal and Molecular Structures of Hexaaquavanadium(II) Trifluoromethylsulfonate.
Authors: HOLT D. G. L. , LARKWORTHY L. F. , POVEY D. C. , SMITH G. W. , LEIGH G. J.
Published: May 2016

Vanadium metal dissolves readily in refluxing dilute acids such as trifluoromethylsulfonic acid (II), HCl, HBr, or HBF4 to give solutions from which the title salt (IV) (space group C2/m, Z=2) or the corresponding salts (VII) (yield 85%) or (VIII) (60/65%) are crystallized.
ChemInform Abstract: Formation and Characterization of Stable Alkylidyne(alkene)tungsten Complexes.
Authors: MAYR A. , DORRIES A. M. , RHEINGOLD A. L. , GEIB S. J.
Published: May 2016

Low‐valent Fischer‐type carbyne complexes can coordinate alkene ligands to give stable alkylidyne(alkene)metal complexes.
ChemInform Abstract: An Improved Photochemical Synthesis of Azaferrocene.
Authors: ZAKRZEWSKI J. , GIANNOTTI C.
Published: May 2016

The mechanism of the photosubstitution of iodide in (I) appears to involve an electron transfer catalyzed chain process, similar to the well known SRN1 reactions.
ChemInform Abstract: Electrochemical Synthesis and Structure of Sn(Co(CO)4)4 and Its Use as a Stable Precursor of (Co(CO)4)‐ for the Catalysis of Hydrolysis of Propylene Carbonate.
Authors: CABRERA A. , SAMAIN H. , MORTREUX A. , PETIT F. , WELCH A. J.
Published: May 2016

Electroreduction of Co2(CO)8 in the presence of a tin anode yields the title complex (I) (F43c, Z = 8) in a pure form with up to 60% yield.
ChemInform Abstract: Formation of Iridalactones by CH2‐O Oxidative Addition of Propiolactone to Iridium(I).
Authors: ZLOTA A. A. , FROLOW F. , MILSTEIN D.
Published: May 2016

Propiolactone (II) undergoes facile oxidative addition to the low‐valent electron‐rich Ir(I) complex (I) to yield the structurally characterized iridalactone (III) (space group P21/c, Z=4).
ChemInform Abstract: Reaction of Ozone with Steroidal Allylic Alcohols: Evidence for Intramolecular Interception of the “Criegee Carbonyl/Carbonyl Oxide Intermediate”.
Authors: PARYZEK Z. , MARTYNOW J. , SWOBODA W.
Published: May 2016

When the crude ozonization product from the reaction of the cholestenol (I) is worked‐up under non‐reductive conditions, the peroxidic compounds (V) and (VI) resulting from the interception of a classical carbonyl/carbonyl oxide intermediate are obtained.
ChemInform Abstract: A New Synthesis, Resolution and in vitro Activities of (R)‐ and (S)‐β‐Phenyl‐GABA.
Authors: ALLAN R. D. , BATES M. C. , DREW C. A. , DUKE R. K. , HAMBLEY T. W. , JOHNSTON G. A. R. , MEWETT K. N. , SPENCE I.
Published: May 2016

The title compound shows anticonvulsant, antiepileptic, antihypertensive and analgesic activities.
ChemInform Abstract: Synthesis of Photolabile “Precursors” of Amino Acid Neurotransmitters.
Authors: WILCOX M. , VIOLA R. W. , JOHNSON K. W. , BILLINGTON A. P. , CARPENTER B. K. , MCCRAY J. A. , GUZIKOWSKI A. P. , HESS G. P.
Published: May 2016

The synthesis of photolabile precursors of neurotransmitters that activate neuronal receptors specific for aspartic acid, glutamic acid, glycine, or γ‐aminobutyric acid is described as outlined in the reaction scheme.
ChemInform Abstract: A Novel Cyclic Carbamate from the Acid‐Catalyzed Reaction of D‐Glucose and Urea.
Authors: HELM R. F. , KARCHESY J. J.
Published: May 2016

The cyclic carbamate (IIIa) is obtained during the preparation of an acidic carbohydrate‐based resin.
ChemInform Abstract: A Convenient Synthesis of Methyl 2,3‐Di‐O‐benzyl‐4‐deoxy‐α‐D‐xylo‐hexodialdo‐1,5‐pyranoside and Its Stereospecific Ethynylation.
Authors: CZERNECKI S. , VALERY J. M.
Published: May 2016

Reduction of the protected glucopyranoside (IV), derived from the starting diol (I), with lithium aluminum hydride gives the 4‐deoxy derivative (V), directly deprotected at C‐6. Swern oxidation of (V) forms the protected dialdose (VI) mentioned in the title.
ChemInform Abstract: Synthesis of Streptazoline Glucopyranosides.
Authors: WIESNER M. , THIEM J.
Published: May 2016

Coupling of the tetraacetylglucosyl fluoride (I) with the dihydrostreptazoline (II) gives the β‐glucoside (IIIa) which is deacetylated by a conventional method, yielding the unblocked derivative (IIIb).
ChemInform Abstract: Synthesis of an Aminopyrazolidine‐Substituted Quinolone Acid.
Authors: KIM K. S. , RYAN P. C.
Published: May 2016

Hydrazinolysis of the β‐lactone (I) with methylhydrazine (II) yields the hydroxycarboxylic hydrazide (III) which undergoes cyclization reaction upon treatment with triphenylphosphine and diisopropyl azodicarboxylate to form the protected aminopyrazolidinone (IV).
ChemInform Abstract: Enantiomeric 3,7‐Dimethylocta‐1,7‐dienes as Useful Chiral Building Blocks. A New Access to Both Optical Antipodes of Natural (E)‐3,7‐Dimethyloct‐2‐ene‐1,8‐diol and (E)‐3,7‐Dimethyloct‐2‐ene‐1,8‐dicarboxylic Acid.
Authors: GIERSCH W. , SCHULTE‐ELTE K. H.
Published: May 2016

The readily accessible monoterpenoid (R)‐(I) is used for the synthesis of the title compounds (R)‐(III) and (R)‐(VI), while their antipodes are prepared from (S)‐(I) by analogous routes.
ChemInform Abstract: An Enantioselective Total Synthesis of Epiisopodophyllotoxin (VII).
Authors: CHOY W.
Published: May 2016

The key step is an asym.
ChemInform Abstract: Towards Tumor Targeting with Copper‐Radiolabeled Macrocycle‐Antibody Conjugates: Synthesis, Antibody Linkage, and Complexation Behavior.
Authors: MORPHY J. R. , PARKER D. , KATAKY R. , EATON M. A. W. , MILLICAN A. T. , ALEXANDER R. , HARRISON A. , WALKER C.
Published: May 2016

A set of four macrocyclic ligands (I) and (II) bearing aminomethylphenyl units to facilitate linkage to a monoclonal antibody via acylation with the thiol‐specific vinyl‐pyridine linker molecule (III) is prepared.
ChemInform Abstract: Characterization of BCl3‐Cl2 Silicon Trench Etching.
Authors: KASSAM A. , MEADOWCROFT C. , SALAMA C. A. T. , RATNAM P.
Published: May 2016

The formation of trenches in silicon by means of a reactive ion etching (RIE) process using BCl3‐Cl2 gas mixtures is studied as a function of the etching parameters (BCl3:Cl2 ratio, flow rate, etc.).
ChemInform Abstract: Atmospheric Pressure Chemical Vapor Deposition of Tungsten Silicide. The Dependence of Film Composition and Growth Rate on Gas Composition.
Authors: DOBKIN D. , BARTHOLOMEW L. , MCDANIEL G. , DEDONTNEY J.
Published: May 2016

WSix films are prepared by atmospheric pressure CVD at 290‐300 °C using WF6/Si2H6/H2/N2 gas mixtures of different composition.
ChemInform Abstract: Structure and Ionic Conduction in Solids. Part 9. Structure and Properties of NaZnPO4 and NaZnAsO4.
Authors: ANDRATSCHKE M. , FELTZ A.
Published: May 2016

The title compounds both crystallize in the beryllonite‐type structure (monoclinic, space group P21/n, Z=12).
ChemInform Abstract: Electrical Properties of Gallium‐Doped Zinc Oxide Films Prepared by RF Sputtering
Authors: CHOI B. H. , IM H. B. , SONG J. S.
Published: May 2016

using a target consisting of ZnO and varying amounts of Ga2O3 are studied as a function of the Ga content.
ChemInform Abstract: The Systems K2NaAlF6/Na2SO4 and K2NaAlF6/K2SO4: Phase Diagrams and Alkali Ion Conductivity.
Authors: HRUSCHKA H. , JANSEN M.
Published: May 2016

The solidus‐liquidus and sub‐solidus regions of the phase diagrams of the title systems are determined by XRD, DTA, and electrochemical methods.
ChemInform Abstract: Heterogeneous Reactions on Model Polar Stratospheric Cloud Surfaces: Reaction of N2O5 on Ice and Nitric Acid Trihydrate.
Authors: QUINLAN M. A. , REIHS C. M. , GOLDEN D. M. , TOLBERT M. A.
Published: May 2016

The heterogeneous reaction of N2O5 on laboratory ice surfaces and nitric acid trihydrate (NAT) surfaces are studied in a Knudsen cell flow reactor.
ChemInform Abstract: Influence of the Support on the Activity and Selectivity of High Dispersion Fe Catalysts in the Fischer‐Tropsch Reaction
Authors: CAGNOLI M. V. , MARCHETTI S. G. , GALLEGOS N. G. , ALVAREZ A. M. , MERCADER R. C. , YERAMIAN A. A.
Published: May 2016

is studied for Fe/SiO2 and Fe/Al2O3 catalysts prepared by the dry impregnation method.
ChemInform Abstract: Single Crystal Syntheses of Semimetal Complex Fluorides Without Solvents: Li2(GeF6) and Na2(GeF6).
Authors: AVERDUNK F. , HOPPE R.
Published: May 2016

Single crystals of the title compounds are prepared by reaction of CuF2, Ge powder, and NaF or LiF, resp. (620 °C, 7 d, Cu‐bomb).
ChemInform Abstract: Chiral Products via Asymmetric Deprotonation of 4‐tert‐Butylcyclohexanone Using Chiral Lithium Amide Bases.
Authors: COUSINS R. P. C. , SIMPKINS N. S.
Published: May 2016

The conversion of the tert‐butylcyclohexanone (I) to its trimethylsilyl enol ether (‐)‐(III) is mediated by various chiral lithium amides leading to different optical purities of (III).
ChemInform Abstract: Isotopic Selectivity in the One‐Electron‐Promoted Cleavage of Ring‐Deuterated Naphthylmethyl Phenyl Ethers and Naphthyl Benzyl Ethers.
Authors: GUTHRIE R. D. , SHI B.
Published: May 2016

Reactions of 1:1 mixtures of (Ia) and (Ib) with fluorene radical anion (Fl·‐) result in the cleavage of the CH2‐O bond and the formation of isotopically enriched methylnaphthalene.
ChemInform Abstract: Charge‐Transfer Cycloaddition of Homobenzvalene with Tetracyanoethylene.
Authors: KIM E. , CHRISTL M. , KOCHI J. K.
Published: May 2016

Photoexcitation of a mixture of (I) and (II) affords the CT‐cycloadducts (III)‐(V) via the yellow‐colored radical‐ion pair.
ChemInform Abstract: Cubyl Cation.
Authors: EATON P. E. , YANG C.‐X. , XIONG Y.
Published: May 2016

The clean solvolysis of the triflate (I) involves the intermediacy of the title cation.
ChemInform Abstract: Hypervalent Iodine Oxidation of Aromatic Ketones: A Direct Synthesis of 2‐Arylalkanoic Acids via 1,2‐Aryl Shift.
Authors: PRAKASH O. , GOYAL S. , MORIARTY R. M. , KHOSROWSHAHI J. S.
Published: May 2016

Acetophenones (cf.
ChemInform Abstract: Homogeneous and Heterogeneous Asymmetric Reactions. Part 5. Diastereoselective and Enantioselective Hydrogenation of Cyclic β‐Keto Esters on Modified Raney‐Nickel Catalysts.
Authors: WITTMANN G. , GOENDOES G. + , BARTOK M.
Published: May 2016

Hydrogenation of the ketones (I) with an unmodified Raney‐Ni catalyst leads to the cis‐ and trans‐alcohols (II) and (III) with only low diastereoselectivities.
ChemInform Abstract: Regioselective Bromination in the Aromatic Series. Part 1. Monobromination of the para Position of Phenols and Aromatic Amines by Tetrabutylammonium Tribromide.
Authors: BERTHELOT J. , GUETTE C. , DESBENE P.‐L. , BASSELIER J.‐J. , CHAQUIN P. , MASURE D.
Published: May 2016

A mechanism involving electrophilic substitution by the tribromide anion Br3‐ is suggested to account for the regioselective bromination of phenols, e.g. (I), and amines such as (IX).
ChemInform Abstract: Kinetics of Reactions of Thiolate Ions with α‐Nitro β‐Substituted Stilbenes in 50% Me2SO‐50% Water. Observation of the Intermediate in Nucleophilic Vinylic Substitution Reactions.
Authors: BERNASCONI C. F. , FASSBERG J. , KILLION R. B. JUN. , RAPPOPORT Z.
Published: May 2016

The formation of the intermediate (III) is realized in the substitution reaction of (II) with (I) (provided with a very poor leaving group).
ChemInform Abstract: Synthesis of α‐Hydrazinooximes.
Authors: POTEKHIN A. A. , ALEKSANDROVA T. V. , DOKICHEV V. A. , SOLOV'EVA L. V.
Published: May 2016

The reactions between the monoalkylhydrazines (I) and the dimeric nitrosochloroalkanes (II) afford 4:1 mixtures of the E‐configurated regioisomeric α‐hydrazinooximes (III) and (IV).
ChemInform Abstract: Search for Nonsteroidal Antiinflammatory Drugs from β‐Thiopropionic Acid Derivatives.
Authors: TROFIMOV B. A. , VAVILOVA A. N. , KALMYKOV S. V. , KAZIMIROVSKAYA V. B.
Published: May 2016

The isothiuronium salts (I) are coupled with acrylic acid (II) to give the ammonium alkylthiopropionates (V) via the free acids (III).
ChemInform Abstract: A Novel Synthesis of Unsymmetrical Azo Aromatics Inaccessible by Diazo‐Coupling Reaction.
Authors: AYYANGAR N. R. , NAIK S. N. , SRINIVASAN K. V.
Published: May 2016

The target compounds (III) are obtained by phase‐transfer catalyzed base‐induced reaction of the N‐aryl acetamides (I) with the nitroarenes (II).
ChemInform Abstract: Enantioselective Syntheses with Titanium‐Carbohydrate Complexes. Part 5. Enantio‐ and Diastereoselective Aldol Reaction of 2,6‐Dimethylphenyl Propionate Using Titanium‐Carbohydrate Complexes.
Authors: DUTHALER R. O. , HEROLD P. , WYLER‐HELFER S. , RIEDIKER M.
Published: May 2016

The syn products, e.g. (III), of the title reaction are most likely formed via the E Ti‐enolate of the starting compound (I).
ChemInform Abstract: Novel ((Diazomethyl)carbonyl)‐1,2,3,4‐tetrahydronaphthalene Derivatives as Potential Photoaffinity Ligands for the 5‐HT1A Receptor.
Authors: KLINE T. B. , NELSON D. L. , NAMBOODIRI K.
Published: May 2016

The α‐diazo carbonyl compounds (III), (V), and (XIV) are prepared as outlined in the reaction scheme.
ChemInform Abstract: Synthesis, Properties, and Biological Activity of 2‐(N‐(1‐Adamantyl)imino)‐4‐R‐5‐(p‐R‐phenyl)‐2,3‐dihydro‐3‐furanones and Products of Their Hydrolysis.
Authors: YANBORISOV T. N. , SHUROV S. N. , ANDREICHIKOV YU. S. , RUDAKOVA I. P. , SEMENOVA E. N. , NOVOSELOVA G. N.
Published: May 2016

The furandiones (I) react with the adamantyl isocyanide (II) to give the adamantylimino derivatives (III).
ChemInform Abstract: Studies on the Terpenoids and Related Alicyclic Compounds. Part 39. A Synthesis of α‐Methylene‐γ‐lactones Fused to Medium and Large Rings by Intramolecular Cyclization of Formylated Allyl Halides.
Authors: NISHITANI K. , ISOZAKI M. , YAMAKAWA K.
Published: May 2016

Monoprotection of the diols (I), followed by Swern oxidation and coupling with the hydroxy ester (IV), gives the dihydroxy esters (V).
ChemInform Abstract: Synthesis of Enantiomerically Pure Bi‐ and Tricyclic Lactones with Quaternary Chiral Centers.
Authors: DE JONG J. C. , FERINGA B. L.
Published: May 2016

The chiral furanone (II) reacts with cyclopentadiene (I) or 2,3‐dimethylbutadiene (VIII) to form the Diels‐Alder adducts (III) or (IX).
ChemInform Abstract: Syntheses with Nitriles. Part 86. Chemistry of 2,3‐Dihydro‐3‐oxo‐benzo(b)thiophene 1,1‐Dioxide.
Authors: TAUBER C. , KLADE M. , STERK H. , JUNEK H.
Published: May 2016

The title thiophene derivative (I) reacts as CH‐acidic or carbonyl‐active compound to give the products shown in the scheme.
ChemInform Abstract: Cyclic Amidine Formation Under Amine Alkylation Conditions.
Authors: ROBLOT G. , WYLDE R.
Published: May 2016

The alkylation of the amine (II) yields the amidine (IV) (no yield given) as major product.
ChemInform Abstract: Oxidative Imidation of Sodium Salts of N‐Arenesulfonylarenesulfenamides. N‐((S‐Arenesulfonylimino)arenesulfinyl)‐succinimides.
Authors: KOVAL' I. V. , PANASENKO T. G.
Published: May 2016

The reaction between the sodium N‐phenylsulfonyl‐N‐arylsulfenylamides (I) and NBS (II) affords the hitherto unknown title compounds (III).
ChemInform Abstract: Synthesis and Monolayer Spreading Behavior of Surface‐Active Compounds Containing Electron‐ and Hole‐Transporting Groups. Part 2. Carbazole Derivatives.
Authors: TAYLOR J. W. , SLOAN C. P. , HOLDEN D. A. , KOVACS G. J. , LOUTFY R. O.
Published: May 2016

The new surface‐active carbazole derivatives (III) and (IX) are intended to have applications as hole‐transporting materials in thin‐film devices assembled by the Langmuir‐Blodgett technique.
ChemInform Abstract: Rearrangements in the Furan Series. Part 4. The Reaction Between Furan‐2‐carbaldehyde and Aniline.
Authors: LEWIS K. G. , MULQUINEY C. E.
Published: May 2016

It is shown that reaction of the furan carbaldehyde (II) with 3 or 4 molecules of aniline (IV) gives rise to a substance assigned as the dicyclopentapyrrolone (III) rather than the simple anil (I) previously proposed.
ChemInform Abstract: Cycloadditions. Part 18. 5‐Aminoisoxazoles by Cycloaddition of Nitrile Oxides to Ynamines.
Authors: HIMBERT G. , KUHN H. , BARZ M.
Published: May 2016

Various ynamines such as (I) undergo 1,3‐dipolar cycloaddition with nitrile oxides such as (II) to give isoxazoles (III).
ChemInform Abstract: Interaction of 4‐Alkylthiosemicarbazide Hydrochlorides with Arylcyanamides: Formation of 4‐Alkyl‐3‐arylamino‐1,2,4‐triazoline‐5‐thiones.
Authors: JOSHUA C. P. , LISSAMMA K. , JOSEPH K. M.
Published: May 2016

The title reaction leads to formation of intermediate amidinothiosemicarbazides.
ChemInform Abstract: S,S′‐ and S,N‐Disubstituted Derivatives of 1,3,4‐Thiadiazoledithiones.
Authors: KATRITZKY A. R. , WANG Z. , OFFERMAN R. J.
Published: May 2016

The S,N‐disubstituted derivative (IV) is produced by a facile synthesis.
ChemInform Abstract: Regiospecific and Highly Stereoselective Formation of Benzisochroman‐6,9‐quinones. Synthesis of (.+‐.)‐Ventilagone and (.+‐.)‐Ventiloquinone H.
Authors: BLOUIN M. , BELAND M.‐C. , BRASSARD P.
Published: May 2016

The benzoisochromandiones (IX) are obtained by regioselective Diels‐Alder reaction of the halo‐p‐benzoquinones (VIII) with the electron‐rich heterocyclic diene (VII), prepared as shown in the reaction scheme, and subsequent acid‐induced aromatization.
ChemInform Abstract: Nucleophilic Addition of 2‐, 3‐, or 4‐(2‐(Methylamino)ethyl)pyridine to the Aziridine, 7‐Methyl‐7‐azabicyclo(4.1.0)heptane.
Authors: REES D. C.
Published: May 2016

The benzofuranacetamide (V), which is a derivative of the kappa opioid analgesic benzofuranacetamide (VI), is synthesized in order to study the effect of the N‐pyridylethylamino group for the analgesic potency.
ChemInform Abstract: Synthesis of 4,4′‐Divinyl‐2,2′‐bipyridine.
Authors: DELLA CIANA L. , DRESSICK W. J. , VON ZELEWSKY A.
Published: May 2016

The bipyridine (V), which can be used for the preparation of electroactive polymer films, is synthesized in 12% overall yield from (I).
ChemInform Abstract: Synthesis of 3‐Substituted‐3,4‐dihydro‐2(1H)‐pyridinones from Nitriles.
Authors: CHELUCCI G. , GIACOMELLI G.
Published: May 2016

The title compounds (IV) and (VIII), which are precursors of optically active nitrogen heterocycles, are prepared through a three step sequence based on a cyclization of acetal amides.
ChemInform Abstract: Synthesis and Reactivity of 2‐(1,3‐Dithian‐2‐yl)indoles. Part 3. Influence of the Indole Protective N‐Phenylsulfonyl Group.
Authors: RUBIRALTA M. , DIEZ A. , REIG I. , CASTELLS J. , BETTIOL J.‐L. , GRIERSON D. S. , HUSSON H.‐P.
Published: May 2016

Lithiation of the 1‐(arylsulfonyl)‐2‐dithianylindole (I) and subsequent reaction with electrophiles such as N‐methyl‐4‐piperidone (II) yield the adduct (III) which produces the hydroxy ketone (IV) upon deprotection with bis(trifluoroacetoxy)iodobenzene.
ChemInform Abstract: Synthesis of New 4‐Aryl‐8‐heteroaryl‐2‐methyl‐1,2,3,4‐tetrahydroisoquinolines.
Authors: ZARA‐KACZIAN E. , DEAK G.
Published: May 2016

Starting from the isoquinolines (I) and (V), the novel title compounds (IV) and (X) and some related derivatives are prepared.
ChemInform Abstract: Acetylenic Chemistry. Part 15. Reactions of 1,2,3,4‐Tetrahydro‐2,4‐dioxopyrido(2,3‐d)pyrimidine with 3‐Bromoprop‐1‐yne.
Authors: REISCH J. , USIFOH C. O. , OLUWADIYA J. O.
Published: May 2016

The reaction of the pyrimidine (I) with bromopropyne (II) gives the dialkylated derivative (IIIc) in addition to the monoalkylated compounds (IIIa) and (IIIb).
ChemInform Abstract: Improved Procedures for the Syntheses of Pyrido‐ and Pyrrolo(2,3‐d)pyrimidines, and Ribosides Thereof.
Authors: ITOH T. , MELIK‐OGANDZHANYAN R. G. , ISHIKAWA I. , KAWAHARA N. , MIZUNO Y. , HONMA Y. , HOZUMI M. , OGURA H.
Published: May 2016

The chloropyrimidine (I) is coupled with the allylamines (II) to give the corresponding substitution products (III).
ChemInform Abstract: Polyazapolycyclics by Condensation of Aldehydes with Amines. Part 2. Formation of 2,4,6,8,10,12‐Hexabenzyl‐2,4,6,8,10,12‐hexaazatetracyclo‐(5.5.0.05,9.03,11)dodecanes from Glyoxal and Benzylamines.
Authors: NIELSEN A. T. , NISSAN R. A. , VANDERAH D. J. , COON C. L. , GILARDI R. D. , GEORGE C. F. JUN. , FLIPPEN‐ANDERSON J. L.
Published: May 2016

Cyclocondensation reaction of the benzylic amines (I) with glyoxal (II) in the presence of formic acid is performed in aqueous acetonitrile or methanol to produce the hexaazaisowurtzitanes (V).
ChemInform Abstract: Synthesis, Characterization, Dipole Moment and Properties of Bishomooxacalix(4)arenes.
Authors: PERRIN R. , BOURAKHOUADAR M. , DUCHAMP C.
Published: May 2016

The reaction of the phenols (I) with the aldehyde (II) leads to the title compounds (III) and calix(8)arenes.
ChemInform Abstract: Chemistry of 1,8‐Substituted Naphthalenes. Part 20. New Derivatives of Naphtho(1,8‐bc)oxepin.
Authors: TKACHENKO V. V. , TREGUB N. G. , KNYAZEV A. P. , MEZHERITSKII V. V.
Published: May 2016

In the presence of a base the reaction between equimolar quantities of the aldehydes (I) and malonodinitrile (II) affords the dinitriles (III), whereas the unsubstituted aldehyde (V) reacts with two molecules of the dinitrile (II) to yield the heterocyclic derivative (VI) irrespective of the molar ratio of the reactants.
ChemInform Abstract: Synthesis and Reactions of Tricyclotetradecane and Bicyclododecane Derivatives.
Authors: BUCHBAUER G. , ROBIEN W. , SOVA A. , SENGER J. , AMESBERGER B. , GERSTMAYR G.
Published: May 2016

Oxatricyclo(7.3.2.02,7)tetradecane derivatives, e.g. (III) or (V), and bicyclo(6.4.0)dodecane derivatives, e.g. (VIII), (IX), or (XI), are synthesized as analogues to "hetero‐cage‐compounds", the antiviral and fungicidal activity of which is known.
ChemInform Abstract: Cyclic Phenyl Carbamates of the Miotin Type and Their Action on Acetylcholinesterase.
Authors: AMSTUTZ R. , ENZ A. , MARZI M. , BOELSTERLI J. , WALKINSHAW M.
Published: May 2016

Several six‐, seven‐ and eight‐membered cyclic carbamates such as (VII) or (VIII) are prepared as analogues of miotin (X) and physostigmine (XI).
ChemInform Abstract: Tautomerism and Isomerism of α‐Amino Carbonyl Compounds. Regioselectivity in the Phosphorylation of Secondary α‐Amino Ketones.
Authors: BALITSKII YU. V. , PIPKO S. E. , KOLODKA T. V. , POVOLOTSKII M. I. , SINITSA A. D.
Published: May 2016

The α‐amino ketone (I) is coupled with the phosphinous amide (II) or the phosphinic amide (IV) to give the phosphinoxy (III) and the phosphinoyloxy imine (V) respectively.
ChemInform Abstract: Synthesis of Acyloxyalkyl Acylphosphonates as Potential Prodrugs of the Antiviral Trisodium Phosphonoformate (Foscarnet Sodium).
Authors: IYER R. P. , PHILLIPS L. R. , BIDDLE J. A. , THAKKER D. R. , EGAN W. , AOKI S. , MITSUYA H.
Published: May 2016

Phosphorous acid (I) forms the tris(trimethylsilyl)phosphite (III) which is substituted with the chloroformates (IV) to give the phosphonates (V).
ChemInform Abstract: Substituted Ammonium Salts of Trichloromethylphosphonic Acid Alkyl Esters and Alkyl(Aryl)trichloromethylphosphinic Acids.
Authors: KHARRASOVA F. M. , RUZAL' G. I. , KOVALENKO YU. P. , KEL'BEDINA Z. A.
Published: May 2016

The phosphinates (I) are coupled with the amines (II) to give the ammonium salts (III).
ChemInform Abstract: Syntheses and X‐Ray Crystal Structures of the Compounds (ArPAs)2 and (ArPSb)2 (Ar: 2,4,6‐(tBu)3C6H2). P2As2‐ and P2Sb2‐Substituted Analogues of Bicyclo(1.1.0)butane.
Authors: JUTZI P. , MEYER U. , OPIELA S. , OLMSTEAD M. M. , POWER P. P.
Published: May 2016

The two novel bicyclic derivatives (II) (space group P21/n, Z = 8) and (VI) (P1, Z=2) represent the first well‐characterized example of their type.
ChemInform Abstract: Unusual Bromination of Ethyl Derivatives of Trivalent Arsenic.
Authors: KOKOREV G. I. , MUSIN R. Z. , YAMBUSHEV F. D.
Published: May 2016

Bromination of the ethylarsines (Ib) ‐ (Ig) proceeds under release of the ethyl group and formation of the bromoarsines (II).
ChemInform Abstract: Synthesis of Vanadium, Niobium, and Tantalum Silylimido Complexes and Reactivity of Their Nitrogen‐Silicon Bonds.
Authors: JONES C. M. , LERCHEN M. E. , CHURCH C. J. , SCHOMBER B. M. , DOHERTY N. M.
Published: May 2016

The dimeric chloro‐bridged silylimido complexes (III) are obtained as shown.
ChemInform Abstract: A Novel Route to 1,3‐Diphospholide Ions. Synthesis and X‐Ray Structure Analysis of a 1,3‐Diphosphaferrocene.
Authors: MAIGROT N. , RICARD L. , CHARRIER C. , MATHEY F.
Published: May 2016

Starting with the 1,2‐diphosphete (I) the isomers (IV) are obtained with (IVa) as the main product.
ChemInform Abstract: Insertion of a Copper Nitrene into a C‐H Bond to Form Bis(2‐(phenylamino)‐1,10‐phenanthrolinato)dicopper(I): A Short Cu‐Cu Distance with No Bond?
Authors: LEE S. W. , TROGLER W. C.
Published: May 2016

The complex (I) reacts with the dianion of (II) to yield the Cu(I) dimer (III) (space group P21/n; Z=2) by insertion of N‐Ph into the ortho C‐H bond of phenanthroline.
ChemInform Abstract: Synthesis and Characterization of Novel (Cyclopentadienyl)nitroruthenium Complexes.
Authors: SZCZEPURA L. F. , TAKEUCHI K. J.
Published: May 2016

The reaction of RuCl3 with freshly cracked dicyclopentadiene and triphenylphosphine forms the complex (I), which serves as starting material for the synthesis of the nitro derivatives (V) and (VIII).
ChemInform Abstract: Five‐Coordinate Platinum(II) Hydrides Containing 1,1,4,7,10,10‐Hexaphenyl‐1,4,7,10‐tetraphosphadecane as a Tetradentate Monometallic Ligand.
Authors: BRUEGGELLER P. +
Published: May 2016

The title complexes (I) are prepared by NaBH4 reduction of the corresponding Pt(II) chlorides ((Pt(Cl)L)X giving (Ia) and (Ic)) and tetracoordinate Pt(II) complexes ((PtL)(BPh4)2 giving (Ib)) in 75‐90% yield.
ChemInform Abstract: Synthesis of Optically Pure Grasshopper Ketones and of Its Diastereoisomers and Related Compounds.
Authors: BAUMELER A. , BRADE W. , HAAG A. , EUGSTER C. H.
Published: May 2016

Starting with the known aldehyde (I) the synthesis of four enantiomerically pure grasshopper ketones such as (IX) and of their oxo derivatives is described.
ChemInform Abstract: Diterpene Imines. Preparation of 2‐Azalauren‐1‐ene and the Facile Autoxidation of 6‐Azadihydrorimuene.
Authors: HAYMAN A. R. , HANTON L. R. , WEAVERS R. T.
Published: May 2016

The azalaurenene (II) is obtained by treatment of the amide (Ia) with iodosylbenzene and formic acid.
ChemInform Abstract: Reactions of Steroidal Nitroolefins with Ethanethiol and BF3‐Etherate Catalyst.
Authors: SHAFIULLAH SHAFIULLAH , SINGH R. K. , ANSARI S. A.
Published: May 2016

In the presence of BF3·Et2O, 6‐nitrocholest‐5‐ene (Ia), its 3β‐acetoxy derivative (Ib) and its 3β‐chloro derivative (Ic) undergo smooth reaction with EtSH (II) to afford the corresponding 5α‐ethylthio‐6‐ketoximes (III).