bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Radical Ions and Photochemical Charge Transfer Phenomena. Part 16. Photoreactions of Biacetyl with Electron‐Rich Olefins. An Extended Mechanism.
Authors: MATTAY J. , GERSDORF J. , BUCHKREMER K.
Published: May 2016

Products of cycloaddition and reduction are obtained by photolysis of (I) and (II) with quantum yields which increase with solvent polarity.
ChemInform Abstract: Organic Photochemistry. Part 78. Photoreaction of α‐Phenylcrotononitrile Derivatives: The Facile Cyclopropane Ring Formation.
Authors: KUMAGAI T. , SEGAWA T. , ENDO Z. , MAKAI T.
Published: May 2016

The phenylcrotononitriles (I) cyclize photochemically to give the cyclopropanes (II), together with the isomerization products (III).
ChemInform Abstract: Photochemistry of the Conjugated Nitrogen‐Carbonyl Systems. Part 2. Photosensitized Oxygenation of 2‐Pyridones.
Authors: SATO E. , IKEDA Y. , KANAOKA Y.
Published: May 2016

Photooxygenation of the pyridones (I) produces the cycloimides (III) or the pyridinediones (IV).
ChemInform Abstract: Synthesis and Stabilization of Isocyanatoketenes.
Authors: MORMANN W. , HOFFMANN S. , HOFFMANN W.
Published: May 2016

The isocyanatocarbonyl chlorides (I), (IV) and (VI) are prepared by known methods.
ChemInform Abstract: Reactions of Unsaturated Compounds. Part 128. trans‐Reduction of β‐Isopropenylacetylenic Alcohols with Lithium Aluminum Hydride.
Authors: KHRIMYAN A. P. , MAKARYAN G. M. , BADANYAN SH. O.
Published: May 2016

The reduction of the enynols (I) by a fourfold excess of LiAlH4 in refluxing THF smoothly and regiospecifically affords the trans‐dienols (II).
ChemInform Abstract: An Equilibrium Study of the Conversion of L‐Phenylalanine to trans‐Cinnamic Acid and Ammonia.
Authors: TEWARI Y. B. , GAJEWSKI E. , GOLDBERG R. N.
Published: May 2016

The thermodynamics of the enzymatic conversion (L‐phenylalanine ammonia‐lyase) of aqueous L‐phenylalanine (I) to trans‐cinnamic acid and ammonia (→ (II)) has been investigated by using high‐performance liquid chromatography.
ChemInform Abstract: Cycloaddition Reactions of Heterocumulenes. Part 28. A 1,6‐Dipole Stabilized by No‐Bond Resonance. Molecular Structure and Reactivity.
Authors: SCHAUMANN E. , KAUSCH E. , KLASKA K.‐H. , KLASKA R. , ECK J.
Published: May 2016

The reactions of the mesomeric 1,6‐dipole (I) (space group P21 with Z=2) with the heterocumulenes (II) and (III) are studied (see scheme).
ChemInform Abstract: Reactions of Halogen‐Containing O‐Silylated Enolates. Part 1. Reaction of β,β‐Dichlorovinyloxytrimethylsilane with α‐Chloro Ethers in the Presence of Zinc Chloride.
Authors: SHCHEPIN V. V. , RUSSKIKH N. YU. , LAPKIN I. I.
Published: May 2016

The vinyloxysilane (III), prepared in situ from chloral (I), trimethylchlorosilane (II), and zinc, reacts with the chloromethyl ethers (IV) in the presence of zinc chloride to give the alkoxydichloropropanals (V).
ChemInform Abstract: Preparation of Methyl Vinyl Ketone from Acetylene.
Authors: TARASOVA O. A. , TROFIMOV B. A. , AMOSOVA S. V. , TESLER A. G. , VORONKOV M. G.
Published: May 2016

A novel method for the preparation of the title compound (III) is described.
ChemInform Abstract: Synthesis and Properties of N‐(β‐Alkylthioethyl)‐succinimides.
Authors: ALLAKHVERDIEV M. A. , KURBANOV K. B. , OMAROV SH. M. , GUSEINOVA YA. T.
Published: May 2016

The preparation of the title compounds (VI) is described.
ChemInform Abstract: Further Studies on Stereoselective Synthesis of Vicinal Diamines from 3,6‐Dihydrothiazine‐1‐imines.
Authors: NATSUGARI H. , TUROS E. , WEINREB S. M. , CVETOVICH R. J.
Published: May 2016

Cycloaddition of the diene (I) with dicarbomethoxysulfur diimide (II) produces the epimers (III) which rearrange to form the thiadiazolidines (IV).
ChemInform Abstract: 2‐Cyano‐6‐methoxytetrahydropyran, a Useful Protected Cyanohydrin for 2‐Substituted Cyclohexenone Synthesis.
Authors: LAREDO G. C. , MALDONADO L. A.
Published: May 2016

Alkylation of the cyanomethoxytetrahydropyran (I), prepared from glutaraldehyde, with the primary halides (II) yields the derivatives (III) which are transformed into the 2‐substituted cyclohexenones (IV) by cleavage, producing the corresponding hemi‐acetals, and subsequent cyclization.
ChemInform Abstract: Synthesis and Pharmacological Screening of Some New N‐(4‐(N,N‐Disubstituted Amino carbonyl)phenyl)‐4‐nitrobenzoic Acid Hydrazides.
Authors: AGARWAL S. , PANDE A. , SAXENA V. K. , CHOWDHURY S. R.
Published: May 2016

The synthesis of the title compound (III) is accomplished by condensation of the acid chloride (Ib) (from the known hydrazide (Ia)) with the prim. and sec. amines (II).
ChemInform Abstract: Kinetic and Mechanistic Particularities of the Alkaline Hydrolysis of 2‐Phenylethylene‐1‐sulfonic Acid Phenyl Esters.
Authors: VIZGERT R. V. , ENYA V. I. , TUCHANSKII I. M. , PEKHTEREVA T. M.
Published: May 2016

The title compounds (III) are synthesized by treating the sulfochloride (I) with the phenolates (II) or with the phenols (IV) in the presence of triethylamine.
ChemInform Abstract: Synthesis of Heterocyclic Compounds. Part 51. Schiff Bases of Ethyl 2‐Aminofurancarboxylates.
Authors: CILLER J. A. , SEOANE C. , SOTO J. L. , YRURETAGOYENA B.
Published: May 2016

The α‐acylcinnamates (III), prepared by Knoevenagel condensation of the aldehydes (I) and the acylacetates (II), are treated with HCN to form the nitriles (IV).
ChemInform Abstract: Experiments Directed Towards the Synthesis of Anthracyclinones. Part 12. Preparation of a Substituted Isobenzofuran from an Anthradifuran.
Authors: BODDY I. K. , CAMBIE R. C. , RUTLEDGE P. S. , WOODGATE P. D.
Published: May 2016

The anthradifuran (II) ‐ obtained by treatment of (I) with Eaton's reagent ‐ is converted to the title compound (VI), a potential intermediate for the synthesis of anthracyclinones from anthraquinones.
ChemInform Abstract: Synthesis of Diethylaminoethyl Ethers of Bibenzofurans and Bisbenzofuryl Ketones as Pharmacochemical Analogues of Tilorone.
Authors: GUILLAUMEL J. , ROYER R.
Published: May 2016

The derivatives (V) and (X), which are related to tilorone (XI), are prepared by three methods shown in the reaction scheme.
ChemInform Abstract: A Novel Synthesis of Benzofuran and Related Compounds. Part 1. The Vilsmeier Reaction of Phenoxyacetonitriles.
Authors: HIROTA T. , FUJITA H. , SASAKI K. , NAMBA T. , HAYAKAWA S.
Published: May 2016

3‐Methoxyphenoxyacetonitrile (I) undergoes Vilsmeier reaction to yield the isomeric aldehydes (II) and the cyanobenzofuran (IIIa).
ChemInform Abstract: An Aromatic Version of Claisen Rearrangement of Lactonic Silyl Enolates. A New Access to Potential Intermediates for Eudesmane Type of Sesquiterpenes.
Authors: NEMOTO H. , SHITARA E. , FUKUMOTO K. , KAMETANI T.
Published: May 2016

The nitrile (Ia), obtained from 2,6‐dimethylcyclohexanone and acrylonitrile, is transformed into the hydroxy acid (III).
ChemInform Abstract: Pesticidal Mannich Bases Derived from Isatinimines.
Authors: RAM V. J. , MISHRA L. , PANDEY H. N. , VLIETINCK A. J.
Published: May 2016

Isatin (I) is converted to the imines (III) which undergo Mannich reaction with the amines (IV) to produce the bases (V).
ChemInform Abstract: Cyclo‐octa(def)carbazole, a New Heterocyclic Paratropic Ring System.
Authors: MITCHELL G. , REES C. W.
Published: May 2016

The photolysis of the naphthylbenzotriazoles (I) gives the deep red cyclooctacarbazoles (II), a new heterocyclic ring system.
ChemInform Abstract: Synthesis and Spectral Behavior of 5‐Methyl‐3‐phenyl‐1,3‐oxazolidin‐2‐ ones Using NMR.
Authors: NISHIYAMA T. , MATSUI S. , YAMADA F.
Published: May 2016

The arylamino alcohols (I) are cyclized in the presence of phosgene (II), yielding the oxazolidines (III).
ChemInform Abstract: Regioselective Effects of the Allylic Heteroatoms in 1,3‐Dipolar Cycloaddition of Nitrones to Several Allyl Derivatives.
Authors: INOUYE Y. , NIWAYAMA S. , OKADA T. , KAKISAWA H.
Published: May 2016

Cycloaddition reaction of the alkenes (I) with the nitrones (II) produces mixtures of the isoxazolidines (III) and (IV).
ChemInform Abstract: Synthesis of Heterocycles. Part 6. Synthesis and Antimicrobial Activity of Some 4‐Amino‐5‐aryl‐1,2,4‐triazole‐3‐thiones and Their Derivatives.
Authors: EWEISS N. F. , BAHAJAJ A. A. , ELSHERBINI E. A.
Published: May 2016

The aroyldithiocarbazates (I) are cyclized with hydrazine to form the 4‐aminotriazole‐3‐thiones (II) which are either acylated to give (IV) or alkylated, producing (V) or (VIII).
ChemInform Abstract: Synthesis and in vitro Antimicrobial and Antifungal Properties of Some Novel 1,3,4‐Thiadiazole and s‐Triazolo(3,4‐b)(1,3,4)thiadiazole Derivatives.
Authors: OMAR A.‐M. M. E. , WAFA O. M. A.
Published: May 2016

The thiadiazoles (I) are cyclized either by heating with the isothiocyanates (II) or by treatment with CS2 to yield the thionotriazolothiadiazoles (III).
ChemInform Abstract: Nitriles in Heterocyclic Synthesis. A Novel Synthesis of Spiropyran‐4‐ ylindolidene Derivatives.
Authors: HAFEZ E. A. A. , GALIL F. M. A. , SHERIF S. M. , ELNAGDI M. H.
Published: May 2016

The dihydroindoles (I) react with the pyrazolinones (II) to produce the spiro derivatives (III).
ChemInform Abstract: Methyl Derivatives of Tetrahydrobenzo‐ and Benzofurocoumarins, a New Class of Potential Photoreagents Toward DNA.
Authors: RODIGHIERO P. , PALUMBO M. , MARCIANI MAGNO S. , MANZINI P. , GIA O. , PIRO R. , GUIOTTO A.
Published: May 2016

The hydroxycoumarins (II) are coupled with the 2‐bromocyclohexanone (I) and then cyclized under basic conditions to yield the tetracycles (III).
ChemInform Abstract: Synthesis of 4‐Aryl‐1,4‐dihydro‐2,6‐bis(trifluoromethyl)‐3,5‐pyridinedicarboxylates.
Authors: KIM D. H.
Published: May 2016

The aromatic aldehydes (I) are coupled with the ethyl trifluoroacetoacetate (II) on heating to form the piperidinediols (III).
ChemInform Abstract: Synthesis of Substituted 5,6,7,8‐Tetrahydroquinolines from Conjugated Ketoximes.
Authors: CHELUCCI G. , COSSU S. , SOCCOLINI F.
Published: May 2016

The unsaturated ketones (III), prepared from the tetrahydrobenzaldehydes (I) and the methyl ketones (II), are converted to the oximes (IV).
ChemInform Abstract: Ambident Reactivity of 1,2‐Disubstituted Dihydro‐N‐heteroaromatic Systems. Part 11. Aromatization of N‐Sulphonyl‐1,2‐dihydroquinolines and ‐isoquinolines Containing an α‐Indole or Pyrrole Substituent.
Authors: CHMILENKO T. S. , NEZDIIMINOVA T. N. , SIDORENKO L. M. , SHEINKMAN A. K.
Published: May 2016

The dihydroquinolines (I) and ‐isoquinolines (V) are aromatized by reaction with trityl perchlorate (II) under removal of the pyrrole or indole moieties to give the (iso)quinolinium salts (III) and (VI) respectively.
ChemInform Abstract: Pyridoannelation of Hindered Ketones via Their Nitrogen Derivatives. Synthesis of 5,6,7,8‐Tetrahydro‐8,9,9‐trimethyl‐5,8‐methanoquinolines from (+)‐Camphor.
Authors: CHELUCCI G. , DELOGU G. , GLADIALI S. , SOCCOLINI F.
Published: May 2016

Several experiments are performed to convert the camphor derivatives (I), (V), or (VII) to the fused pyridines (II).
ChemInform Abstract: Imino‐Bridged Heterocycles. Part 7. N‐Aminobenzocycloheptapyridinimines.
Authors: BRENNER D. G. , PITZENBERGER S. M. , SHEPARD K. L. , VARGA S. L.
Published: May 2016

The 2‐methylpyridine‐3‐carboxylate (I) is coupled with the 4‐bromobenzaldehyde (II) to produce the olefine (III) which is cyclized by PPA to form (IVb).
ChemInform Abstract: Diazapolycyclic Compounds. Part 26. Diazaquinone Adducts from Isoprenoid Compounds.
Authors: CONTRERAS F. G. , LORA‐TAMAYO M. , SANZ A. M.
Published: May 2016

In situ formation of the diazaquinones (II) and subsequent cycloaddition with β‐myrcene (III) produce the compounds (IV).
ChemInform Abstract: Synthesis of Substituted 2‐ and 4‐Hydroxylaminopyrimidines.
Authors: MOSKALENKO G. G. , SEDOVA V. F. , MAMAEV V. P.
Published: May 2016

The 4‐chloropyrimidines (I) react with a twofold excess of hydroxylamine (II) to give the N,O‐dipyrimidinylhydroxylamines (III) or the 4‐oxodihydropyrimidines (IV).
ChemInform Abstract: 2‐Substituted 2,3‐Dihydro‐5H‐thiazolo(2,3‐b)quinazoline Derivatives.
Authors: GEORGIEV V. ST. , BENNETT G. A. , RADOV L. A. , KAMP D. K. , TRUSSO L. A.
Published: May 2016

2‐Aminobenzamide (I) is reduced and then cyclized with thiophosgene to form the 3,4‐dihydroquinazolinethione (III).
ChemInform Abstract: Substituted 5‐(3,4,5‐Trimethoxybenzyl)barbiturates: Synthesis and Antibacterial Activity.
Authors: GLUNCIC B. , JAKOVINA M. , KOVACEVIC K. , KUJUNDZIC N.
Published: May 2016

The barbituric, thiobarbituric, iminobarbituric and N‐methylbarbituric acid derivatives (IV) and (VI) related to trimethoprim are synthesized by condensation of the ethyl esters (I) or (V) with the respective components (II) or (III).
ChemInform Abstract: Cross‐Coupling Reaction of Chloropyrazines with Ethylenes.
Authors: AKITA Y. , NOGUCHI T. , SUGIMOTO M. , OHTA A.
Published: May 2016

The chloropyrazines (I) react with the olefins (II) in the presence of a Pd‐catalyst, yielding the substitution products (III).
ChemInform Abstract: Reaction of 6‐Ethylamino‐3‐methyluracil with Nitrobenzenes.
Authors: HARAYAMA T. , JINNO H. , TEZUKA Y. , YONEDA F.
Published: May 2016

Reaction of the uracil (I) mentioned in the title with the nitrobenzenes (II), (VIII), and (X) yields the isoalloxazines (III) and (XI) and the bis(uracil)methane (VII), together with various nitrophenyl derivatives such as (IV) ‐ (VI) and (IX).
ChemInform Abstract: The Syntheses of Pteridin‐2‐one Derivatives from Diaminomaleonitrile (DAMN).
Authors: TSUZUKI K. , TADA M.
Published: May 2016

2,3‐Dicyanopyrazine (III), prepared from the diaminomaleonitrile (I) and glyoxal (II), reacts with methylamine and subsequently with methylisocyanate (V)/NaH to yield the dimethylpteridinedione (VII) after acidic hydrolysis.
ChemInform Abstract: A New Synthesis of 1,3‐Thiazine Derivatives Having a Dithiolane Ring and Their Reductive Cleavage with Sodium Cyanoborohydride.
Authors: OKAZAKI R. , UNNO M. , INAMOTO N.
Published: May 2016

Cycloaddition reaction of the 2‐thioacylimino‐1,3‐dithiolanes (IIIa) ‐ (IIIc) with methyl vinyl ketone (IV) yields the 1,3‐thiazines (V) which produce a mixture of the reduction products (VII) and (VIII).
ChemInform Abstract: Photoresponsive Crown Ethers. Part 18. Photochemically ′Switched‐on′ Crown Ethers Containing an Intra‐annular Azo Substituent and Their Application to Membrane Transport.
Authors: SHINKAI S. , MIYAZAKI K. , MANABE O.
Published: May 2016

The photoresponsive crown ethers (VI) containing an intra‐annular azo substituent are designed so that a crown‐metal interaction can only occur upon photoisomerization of the intra‐annular azo substituent from trans to cis (→ (VII)).
ChemInform Abstract: Synthesis of Some 5‐Aryl‐4,5‐dihydro(1)benzoxepin‐3(2H)‐ones and 5‐Aryl‐5,6,8,9‐tetrahydro‐7H‐benzocyclohepten‐7‐ones from Benzoxepinoisoxazolone and Benzocycloheptaisoxazolone Derivatives.
Authors: DESHAYES C. , PUJOL B. , GELIN S.
Published: May 2016

The β‐ketoesters (I) react with hydroxylamine (II) and the benzaldehyde (III) to yield the arylidene isoxazolones (IV).
ChemInform Abstract: The Synthesis of 3‐Hydroxymethyldibenzo(b,f)thiepin 5,5‐Dioxide, a Prostaglandin Antagonist.
Authors: HANDS D. , MARLEY H. , SKITTRALL S. J. , WRIGHT S. H. B. , VERHOEVEN T. R.
Published: May 2016

The aniline (Ia) undergoes Sandmeyer reaction, yielding the halobenzene derivatives (Ib) and (Ic), which are treated with thiophenol (II) to yield the diaryl sulfide (Id).
ChemInform Abstract: Reaction of Paraformaldehyde with Perfluoroalkyldichlorophosphines.
Authors: GOLOVANOV A. V. , MASLENNIKOV I. G. , LEBEDEV V. B. , GUDINA I. V. , LAVRENT'EV A. N.
Published: May 2016

The reaction of the dichlorophosphines (I) with paraformaldehyde (II) to give the phosphinic chlorides (III) is optimized.
ChemInform Abstract: Chloromethylperfluoroalkylphosphinic Acid Esters.
Authors: GOLOVANOV A. V. , MASLENNIKOV I. G. , GUDINA I. V. , LEBEDEV V. B. , LAVRENT'EV A. N.
Published: May 2016

Reaction of the phosphinic chlorides (I) with the alcohols (II) yields the phosphinates (III), the anhydrides (IV), or a mixture of both, depending on the reaction conditions.
ChemInform Abstract: Reaction of Trialkyl Phosphites with Cyclopentadienones in the Presence of Proton Donors. Part 2. Reactions of Trimethyl Phosphite with 2,3‐Diphenylindenone in the Presence of Acetic Acid.
Authors: ARBUZOV B. A. , FUZHENKOVA A. V. , BENDEROVA N. A.
Published: May 2016

The reaction mentioned in the title leads to the formation of the products (III) ‐ (VIII).
ChemInform Abstract: α‐Aminoalkylphosphonates Containing a Heterocyclic Amidine System.
Authors: ALESHNIKOVA T. V. , PROKOF'EVA A. F. , NEGREBETSKII V. V. , GRAPOV A. F. , MEL'NIKOV N. N.
Published: May 2016

The phosphonates (I) react with the lactim ethers (II) to give the monoalkyl phosphonates (III) or the dialkyl phosphonates (IV) depending on the reaction conditions.
ChemInform Abstract: Reaction of Phosphinines with Diazoalkanes: Diphosphachiropteradienes by Intramolecular, Ionic 5s + 5s (6 + 4) Cycloadditions.
Authors: MAERKL G. + , BECKH H. J. , MAYER K. K. , ZIEGLER M. L. , ZAHN T.
Published: May 2016

Phosphinines such as (III) react with diazaalkanes (II) in a totally different way to the usual PC double‐bond systems.
ChemInform Abstract: Derivatives of NPCl2(NSOCl)2 and (NPCl2)2NSOCl. Part 25. Reactions of NPCl2(NSOX)2 (X: Ph, Cl, F) with Bifunctional Reagents.
Authors: HOEVE W. , DHATHATHREYAN K. S. , VAN DE GRAMPEL J. C. , VAN BOLHUIS F.
Published: May 2016

The 31P‐NMR shift of the spiro‐phosphaheterocycles (III) is affected by the size of the ring formed by coupling (I) with the diamines or aminoalcohols (II).
ChemInform Abstract: Synthesis and Structure of Aromatic and Heterocyclic Tellurium Compounds. Part 25. Synthesis of Bis(diarylhalotellurium) Oxides.
Authors: MAKSIMENKO A. A. , SADEKOV I. D. , MINKIN V. I.
Published: May 2016

Reaction of the diaryltellurium compounds (I) with diphenyltellurium oxide (II) or with the secondary amines (IV), followed by hydrolysis, gives the anhydrides (III).
ChemInform Abstract: Synthesis and Chemistry of (Cp2Zr(CH3CN)3) (BPh4)2: A Five‐Coordinate, Dicationic Zirconocene Complex.
Authors: JORDAN R. F. , ECHOLS S. F.
Published: May 2016

The title complex (II) is prepared from the diiodide (I) in MeCN as shown.
ChemInform Abstract: Preparation and Structure of Nb3Cl8(CNCMe3)5.
Authors: COTTON F. A. , ROTH W. J.
Published: May 2016

The title compound (I) containing the Nb atoms with the formal charges +2, +3 and +3 is obtained as a disolvate of toluene by slow diffusion of tBuNC into the solution of Nb2Cl6(SMe2)3 in toluene.
ChemInform Abstract: Structure and Properties of Tris(quinoxaline‐2,3‐dithiolato)molybdate(IV).
Authors: BOYDE S. , GARNER C. D. , ENEMARK J. H. , ORTEGA R. B.
Published: May 2016

The title complex is prepared by reaction of the dithiol with dioxobis(acetylacetonato)molybdenum in H2SO4, followed by addition of (PPh4)Br, and crystallizes in the space group P21/c with Z=4.
ChemInform Abstract: Synthesis and Structure of ((C5Me5)2Mo2S4·SO3). Contribution to Oxidation of Sulfur Ligands in Transition‐Metal Complexes.
Authors: BRUNNER H. , KLEMENT U. , PFAUNTSCH J. , WACHTER J.
Published: May 2016

On oxidation of the sulfide cluster (I) with atmospheric oxygen, the title complex (II) is formed and isolated.
ChemInform Abstract: Synthesis and Characterization of Actinide Mono‐ and Bis(porphyrin) Complexes.
Authors: GIROLAMI G. S. , MILAM S. N. , SUSLICK K. S.
Published: May 2016

Reaction of 5,10,15,20‐tetraphenylporphyrin with UCl4 and excess 2,6‐lutidine in PhCN at 150 °C yields the dichlorouranium complex of the porphyrin which on recrystallization from a THF/1,2‐dichloroethane/heptane solution gives the compound (I), suitable for X‐ray diffraction studies.
ChemInform Abstract: Biological Analogues. Synthetic Iron(III)‐Specific Chelators Based on the Natural Siderophores.
Authors: MITCHELL M. S. , WALKER D.‐L. , WHELAN J. , BOSNICH B.
Published: May 2016

Two synthetic analogues (IX) of the naturally occurring Fe(III)‐specific siderophores, one with catechol groups (IXa) and the other with hydroxamic acid groups (IXb), are prepared as shown in the scheme.
ChemInform Abstract: Synthesis and Structure of ((PPh3)2N) (Fe3Mn(CO)12(μ4‐O)), a Butterfly Oxo Cluster.
Authors: SCHAUER C. K. , SCHRIVER D. F.
Published: May 2016

The title cluster (I) is prepared by equimolar reaction of the trinuclear μ3‐oxo cluster (II) with the Mn(I) complex (III).
ChemInform Abstract: Diborylethylene Compounds as Ligands in Metal Complexes. Part 17. Reactions of 2,3‐Dihydro‐1,3‐diboroles with Potassium and Iodomethane. Characterization of the Products as (C5H5)Co Complexes.
Authors: STUMPF K. , SIEBERT W. , KOESTER R. + , SEIDEL G.
Published: May 2016

The reactions between the title compounds (I) and potassium in THF yield dark brown solutions.
ChemInform Abstract: Metal Complexes of Binucleating Ligands Derived from 2,6‐Diformyl‐ and 2,6‐Diacetyl‐4‐methylphenol.
Authors: CARLISLE W. D. , FENTON D. E. , MULLIGAN D. C. , ROBERTS P. B. , VIGATO P. A. , TAMBURINI S.
Published: May 2016

The preparation of the acyclic and macrocyclic Schiff base ligands such as (I) and (II) derived from the reaction of 2,6‐diformyl‐ or 2,6‐diacetyl‐4‐methylphenol with corresponding diamines and their complexing properties towards Cu(II), Ni(II), and UO22+ are discussed.
ChemInform Abstract: Magnetostructural Correlations in Parallel Square‐Planar Chloride Bridged Copper(II) Dimers: Structure, Dynamic NMR Study, and Magnetic Properties of (Cu2(terpy)2Cl2) (PF6)2.
Authors: ROJO T. , ARRIORTUA M. I. , RUIZ J. , DARRIET J. , VILLENEUVE G. , BELTRAN‐PORTER D.
Published: May 2016

The new title complex (I), obtained by addition of an excess of a KPF6 saturated aqueous solution to the monomeric dichloroterpyridine complex in water (no yield given), crystallizes in the space group P21/a with Z=4.
ChemInform Abstract: Synthesis, Characterization, and Structural Studies of Thiolato‐Bridged Titanium(IV)‐Copper(I) Species: Heterobimetallic Complexes Containing d10 → d0 Dative Bonds.
Authors: WARK T. A. , STEPHAN D. W.
Published: May 2016

The heterobimetallic complexes (II) are prepared as shown and spectroscopically (31P(1H) and 1H NMR, UV/VIS) characterized.
ChemInform Abstract: Dinuclear Complexes of Gold(I) Containing Bridging Cyclometalated Arylphosphine or Arylarsine Ligands.
Authors: BENNETT M. A. , BHARGAVA S. K. , GRIFFITHS K. D. , ROBERTSON G. B. , WICKRAMASINGHE W. A. , WILLIS A. C.
Published: May 2016

The air‐stable complex (Ia) is prepared by reaction of o‐lithiophenyldiphenylphosphine and AuBr(PEt3) in Et2O at ‐50 °C, the others are obtained analogously.
ChemInform Abstract: Coupling of Cyclometalated Phenylphosphines in Dinuclear Gold(II) Complexes to give Biphenyldiylbis(phosphines).
Authors: BENNETT M. A. , BHARGAVA S. K. , GRIFFITHS K. D. , ROBERTSON G. B.
Published: May 2016

The cyclometalated dimer (I) reacts with Br2 or I2 to give the complexes (II) which isomerize to yield (III).
ChemInform Abstract: A Facile, High‐Yield Synthesis of Bis(2,2′‐bipyridine)(carbonyl)chlororuthenium(II) Salts.
Authors: CONSTABLE E. C. , HOLMES J. M.
Published: May 2016

The reaction of the dichloride (I) with acetone at elevated temp. and pressures in the presence or absence of 2‐phenylpyridine provides a convenient high‐yield route to the title cation (II) isolated as its PF6 salt.
ChemInform Abstract: A Novel Route to Azaalkenylidene Metal Complexes.
Authors: WERNER H. , KNAUP W. , DZIALLAS M.
Published: May 2016

A method developed for Zr, based on reactions with nitriles, cannot be applied to a d‐electron‐rich transition metal such as Os, however, reactions of (III) (prepared by a known method) with oximes (IV) yield the desired azaalkenylidene complexes (VI).
ChemInform Abstract: Bis(8‐hydroxyquinolinato)platinum 7,7,8,8‐Tetracyanoquinodimethane, Pt(QNL)2·TCNQ. Synthesis, Structure and Spectroscopic Properties.
Authors: BERGAMINI P. , BERTOLASI V. , FERRETTI V. , SOSTERO S.
Published: May 2016

The diamagnetic title complex is prepared by 1:1 molar reaction of trans‐bis(8‐hydroxyquinolinato)‐Pt(II) with TCNQ in refluxing acetonitrile and characterized by VIS and IR spectra, magnetic susceptibility and EPR measurements, and an X‐ray structure analysis (space group P1, Z=1).
ChemInform Abstract: Macroring Contraction Methodology. Part 2. Total Synthesis of Haagenolide by (2,3)‐Wittig Rearrangement of 13‐Membered Diallylic Ether.
Authors: TAKAHASHI T. , NEMOTO H. , KANDA Y. , TSUJI J.
Published: May 2016

Starting with the allylic alcohol (I) and the allylic bromide (II), the 13‐membered diallylic cyclic ether (III) is prepared.
ChemInform Abstract: Diastereoselective Diels‐Alder Reaction on Carbohydrate Matrices.
Authors: KUNZ H. , MUELLER B. + , SCHANZENBACH D.
Published: May 2016

The Diels‐Alder reaction of the acrylate (IIIb) (prepared from the glucofuranose derivative (I) via the intermediate (IIIa)) with cyclopentadiene (IV) using TiCl4 as catalyst leads with high diastereoselectivity (93:7) to the 1'R,2'R‐adduct (VI).
ChemInform Abstract: Synthesis of Sugars from D‐Ribonolactone. Part 1. A Convenient Synthesis of L‐Erythrose.
Authors: SHAH R. H.
Published: May 2016

D‐Ribonolactone (Ia) is converted to its isopropylidene derivative (Ib) which is reduced and subsequently undergoes periodate cleavage, producing the protected L‐erythrose (II).
ChemInform Abstract: Synthesis and Stereochemistry of Tetrahydroprotoberberine Derivatives.
Authors: BADIA D. , DOMINGUEZ E. , IRIONDO C.
Published: May 2016

The tetrahydroisoquinolines (I) react with glycidol (IV), yielding the products (II) which are oxidatively cleaved to give the aldehydes (III).
ChemInform Abstract: Synthesis of the Mammea Coumarins. Part 3. The Insecticidal Coumarins of the Mammea E Series, Mammea D/BB, and a Dihydrocoumarin of the Mammea C Series.
Authors: CROMBIE L. , JONES R. C. F. , PALMER C. J.
Published: May 2016

The dihydrocoumarin (Va), a metabolite of Mammea africana, is synthesized by the condensation of phloroglucinol (II) with the ketoester (Ia) (→ (III)) and subsequent acylation with (IV).
ChemInform Abstract: Synthesis of the Mammea Coumarins. Part 4. Stereochemical and Regiochemical Studies, and Synthesis of (‐)‐Mammea B/BB.
Authors: BEGLEY M. J. , CROMBIE L. , JONES R. C. F. , PALMER C. J.
Published: May 2016

Acylation of phloroglucinol (II) with the (S) acyl chloride (Ic), in turn obtained from (Ia) via (Ib), and Pechmann condensation of the product (III) with the β‐ketoester (IV) gives a separable mixture of the acyl coumarins (Va) + (Vb).
ChemInform Abstract: Propentdyopents (5‐(2‐Oxo‐2H‐pyrrol‐5‐ylmethylene)pyrrol‐2(5H)‐ones) and Related Compounds. Part 1. On the Structure of the Propentdyopent‐Alkanol Adducts.
Authors: BONNETT R. , DIMSDALE M. J. , STEPHENSON G. F.
Published: May 2016

First, the history of the structural problem of propentdyopents and their adducts (e.g.
ChemInform Abstract: 1,3,2‐Diheterophosphacyclanes with a Six‐Coordinate Phosphorus Atom
Authors: CHERKASOV R. A. , POLEZHAEVA N. A.
Published: May 2016

Review: (140 refs.
ChemInform Abstract: Synthesis and Crystal Structure of CsLn(SeO4)2·4 H2O.
Authors: OVANESYAN S. M. , ISKHAKOVA L. D. , TRUNOV V. K.
Published: May 2016

The title compounds with Ln: Ce, Pr, Nd are prepared from Cs2SeO4 and Ln2(SeO4)3·5 H2O by isothermic evaporation of their solutions.
ChemInform Abstract: Fluorides and Fluoro Acids. Part 13. Crystal Structure of Phosphorus Pentafluoride.
Authors: MOOTZ D. , WIEBCKE M.
Published: May 2016

A complete X‐ray single‐crystal structure analysis shows that PF5 crystallizes in the hexagonal system, space group P63/mmc with Z=2.
ChemInform Abstract: Ferromagnetic Tetrahalogenochromates(II) Containing Mixed Halides (Cl and Br).
Authors: LARKWORTHY L. F. , PRABHAKARAN C. P. , TANDON S. S.
Published: May 2016

Compounds of the type (NRH3)2(CrClxBr4‐x) with R: Me, Et, n‐Pr, n‐Bu, n‐C8H17 and x in the range 2.2‐2.9 have been prepared (preparation is described) and their magnetic properties as well as their FIR and diffuse reflectance spectra are reported.
ChemInform Abstract: Efficient and Stable Oxygen Evolution on Zirconium Nitride Thin Film Electrodes Prepared by the Reactive RF Sputtering Technique.
Authors: AZUMA M. , NAKATO Y. , TSUBOMURA H.
Published: May 2016

ZrNx films of ∼ 0.7 μm thickness have been deposited on mirror finished carbon plates.
ChemInform Abstract: Tetrahydroborate Intercalation Reagents. Convenient, Straightforward Routes to Known and New Types of Layered Intercalation Compounds.
Authors: KANATZIDIS M. G. , MARKS T. J.
Published: May 2016

A general method of conveniently intercalating a variety of cationic molecules (Cat+) into layered solid matrices (LS) using tetrahydroborate reagents is presented.
ChemInform Abstract: Preparation and Vibrational Spectra of Chloro‐Bromo‐Ruthenates(IV) Including Stereoisomers.
Authors: PREETZ W. , VON ALLWOERDEN H. N. +
Published: May 2016

(RuClnBr6‐n)2‐, n = 1‐5, complexes have been separated for the first time by ion exchange chromatography on diethylaminoethylcellulose.
ChemInform Abstract: Micromodulation: Induction of Intramolecular Electron Transfer by Solvate Molecule Dynamics in Mixed‐Valence (Fe3O(O2CCH3)6(3‐Me‐py)3)(solvate).
Authors: OH S. M. , WILSON S. R. , HENDRICKSON D. N. , WOEHLER S. E. , WITTEBORT R. J. , INNISS D. , STROUSE C. E.
Published: May 2016

The oxo‐centered, trinuclear, mixed‐valence iron acetate title complexes crystallize for solvate: CH3CN in the space group P21/c with Z=4, for solvate: toluene in P1 with Z=2, and for solvate: 3‐methylpyridine in A1 with Z=4.
ChemInform Abstract: 1,2‐Asymmetric Rearrangements in Chiral Sulfinylcyclopropane Systems: Asymmetric Synthesis of α,α‐Disubstituted Cyclobutanones.
Authors: HIROI K. , NAKAMURA H. , ANZAI T.
Published: May 2016

Addition of the carbanion generated from the sulfoxide (I) to the ketones (II) yields the products (III) ((S)‐configuration at the sulfur atom) as 3:2 diastereomeric mixtures.
ChemInform Abstract: Reactions of Perfluoroalkanesulfonyl Bromide.
Authors: HUANG W.‐Y. , CHEN J.‐L. , HU L.‐Q.
Published: May 2016

The title compounds (II) obtained from the sulfinates (I) react spontaneously with olefins such as (III) or (VI) to give the adducts (IV), (V), or (VII); from phenylacetylene (VIII), the (E)‐adducts (IX) are obtained nearly exclusively.
ChemInform Abstract: Remarkable Electrophilic Properties of the Pentaenol Ether System of Fecapentaene‐12.
Authors: DE WIT P. P. , VAN DER STEEG M. , VAN DER GEN A.
Published: May 2016

The glycerol polyenol ethers (I) cyclize in the presence of dry HCl to give the isomeric acetals (II) and (III), whereas under basic conditions using tert‐butoxide only the derivatives (IIa) are obtained from (Ia).
ChemInform Abstract: Trifluoropyruvic Acid Hydrate in Heterocyclic Synthesis. Synthesis of Trifluoromethylated Five, Six and Seven Membered Heterocycles with Two or More Heteroatoms.
Authors: MUSTAFA M. E.‐S. , TAKAOKA A. , ISHIKAWA N.
Published: May 2016

The reaction of the title compound (I) with various nucleophiles such as (II), (V), (VIII), (XII), or (XIV) yields the products shown in the scheme.
ChemInform Abstract: A Highly Stereoselective Synthesis of (E,E)‐1,5‐Dienes.
Authors: TUFARIELLO J. J. , MILOWSKY A. S. , AL‐NURI M. , GOLDSTEIN S.
Published: May 2016

The nitrone (I) undergoes 1,3‐dipolar cycloaddition reaction with the olefins (II) to produce the isoxazoles (III) which are cleaved with peracid, yielding the nitrones (IV).
ChemInform Abstract: Methylthio Activating Groups in the Synthesis of Tetrahydroisoquinolines and Tetrahydro‐2‐benzazepines from N‐Allyl‐ and N‐Cinnamyl‐benzylamines.
Authors: EUERBY M. R. , WAIGH R. D.
Published: May 2016

PPA cyclization of the N‐allyl‐benzylamines (I) affords the tetrahydroisoquinolines (II).
ChemInform Abstract: A Stepwise Mechanism for Gas‐Phase Unimolecular Ion Decompositions. Isotope Effects in the Fragmentation of tert‐Butoxide Anion.
Authors: TUMAS W. , FOSTER R. F. , PELLERITE M. J. , BRAUMAN J. I.
Published: May 2016

IR multiple photon photochemical activation of gas‐phase ions trapped in an ion cyclotron resonance (ICR) spectrometer is used to study the mechanism of a gas‐phase negative ion unimolecular decomposition.
ChemInform Abstract: Magnetic Properties in Terms of Localized Quantities. Part 5. Carbocations.
Authors: SCHINDLER M.
Published: May 2016

The IGLO method (individual gauge for localized MO's) for the calculation of magnetic susceptibility and chemical shift tensors is applied to a number of about thirty small‐ to medium‐sized carbocations.
ChemInform Abstract: Kinetics and Mechanism of Aminium Salt Initiated Cycloadditions.
Authors: LORENZ K. T. , BAULD N. L.
Published: May 2016

The kinetics of the Diels‐Alder cyclodimerization of cyclohexadiene (I) and trans‐anethole (III) in CH2Cl2 initiated by the aminium salt (II) is studied in the temp. range 0‐20 °C. Activation parameters and effects of additives such as MeCN, Et‐O‐Et or octanal on rate are tabulated.
ChemInform Abstract: Bromofluorination of Double Bonds Using N‐Bromoimides and Tetra‐n‐butylammonium Fluoride as a Source of Fluoride.
Authors: MAEDA M. , ABE M. , KOJIMA M.
Published: May 2016

Bromofluorination of the cyclohexene derivative (I) with NBS and tetrabutylammonium fluoride gives a mixture of the isomeric fluorocyclohexanes (II) and (III).
ChemInform Abstract: Molybdenum Hexacarbonyl as a Thiophilic Metal Reagent: Desulfenylative Allylation Using Allylic Sulfides.
Authors: MASUYAMA Y. , YAMADA K. , KURUSU Y.
Published: May 2016

The allylic sulfides (I) are coupled with the malonate (II) in the presence of molybdenum hexacarbonyl, yielding the isomeric alkenylmalonates (III) and (IV).
ChemInform Abstract: New Synthetic “Tricks”. From Aliphatic Amines and Amides to Azides and/ or How to Convert RNHCOR′ into RNHCOR′′ Avoiding Drastic Hydrolyses.
Authors: GARCIA J. , VILARRASA J.
Published: May 2016

The amides (I) are converted to the N‐nitroso derivatives (II) which undergo reduction in the presence of acetic anhydride to form the diacylhydrazines (III).
ChemInform Abstract: Study of Reactivity of 3‐Fluoro 2‐Oxo Acid Derivatives. Synthesis of Fluorinated Alcohols, Schiff Bases, Oximes, Hydrazones, and Quinoxalines Derivatives.
Authors: REMLI M. , AYI A. I. , CONDOM R. , GUEDJ R.
Published: May 2016

The fluoro pyruvic acid derivatives (I) are accessible by known methods from the Jones oxidation of the respective 3‐fluoro 2‐hydroxynitriles which, in turn, are obtained from the ring opening of 2,3‐epoxynitriles with HF in pyridine.
ChemInform Abstract: Reactivity of the Fluorovinylsilanes. Formation of α‐Fluoro Ketones in Sulfuric Acid Medium.
Authors: MARTIN S. , SAUVETRE R. , NORMANT J.‐F.
Published: May 2016

The protodesilylation of the difluorovinylsilanes (Ia)‐(Ic) with H2SO4 yields the ketones (II); (IIb) is further transformed to the olefin (III) on prolonged reaction.
ChemInform Abstract: A Safe and Economical Synthesis of 3‐(Trifluoromethoxy)aniline from 2‐Chlorophenol.
Authors: LANGLOIS B. , SOULA G.
Published: May 2016

The title aniline (III) and its 4‐chloro derivative (VII), starting materials for a number of biologically active products, are synthesized by similar routes from the phenols (I) and (V), respectively.
ChemInform Abstract: Photochemistry of Organohalogeno Compounds. Part 19. The Effect of Fluorine on Photochemical Carbon‐Halogen Bond Cleavage.
Authors: GREGORCIC A. , ZUPAN M.
Published: May 2016

Irradiation of the 1,1‐diphenyl‐2‐fluoro‐2‐haloethenes (Ib) and (Ic), which are synthesized from (Ia) as shown in the reaction scheme, produces the 2‐fluoroethene derivative (Ia).
ChemInform Abstract: Electron Donor‐Acceptor Compounds. Part 44. Synthesis, Molecular Structure, and Electron‐Donor Properties of pseudogem‐5,8,14,17‐Tetrakis(dimethylamino)(3.3)paracyclophane.
Authors: STAAB H. A. , GABEL G. , KRIEGER C.
Published: May 2016

The title compound (IId) is prepared starting from the diester (I) and its structure is confirmed by X‐ray analysis (space group P1, Z=1) (in part yields given in g).
ChemInform Abstract: An Unusual Synthesis of a Dihydrobenzanthrone.
Authors: VEITH R. , HENKE H. , ALDAG R. , BRAUN M.
Published: May 2016

The reaction of indandione (I) with allyl bromide (II) and subsequent ozonolysis yields the aldehyde (III), a key intermediate in the synthesis of fredericamycin A. (III) reacts with C6H6 (IV) in the presence of AlCl3 to afford the unexpected title compound (Va) (space group P21/c, Z=4), which is dehydrogenated with Pd/C at 210‐220 °C to give the derivative (Vb).
ChemInform Abstract: The Synthesis and Cycloaddition Reactions of 3‐Azabicyclo(3.1.0)hex‐2‐ ene 3‐Oxide and 3‐Azabicyclo(3.2.0)hept‐2‐ene 3‐Oxide. Highly Strained Bicyclic Nitrones.
Authors: TUFARIELLO J. J. , MILOWSKY A. S. , AL‐NURI M. , GOLDSTEIN S.
Published: May 2016

The acrylate (I) and the chloroacetate (II) produce the cyclopropanedicarboxylic acids (III) after saponification.
ChemInform Abstract: Some New Highly Substituted Trifluoromethyl Sulfuranes.
Authors: GUPTA K. D. , SHREEVE J. M.
Published: May 2016

The sulfur(VI) derivative (I) reacts with the cyclic amines (II), N,N‐dimethyl‐1,2‐diaminoethane (V), or the fluorinated alcohols (VII) to form the sulfur(IV) compounds (III), (VI), or (VIII).
ChemInform Abstract: Synthesis of the Phytoalexin (.+‐.)‐Phaseollin: 3‐Phenylthiochromans as Masked 2H‐Chromenes and o‐Prenyl Phenols.
Authors: MOHAMED S. E. N. , THOMAS P. , WHITING D. A.
Published: May 2016

Regiospecific reaction of the chromenes (I), (V), or (IV) with phenylthiyl radicals from the thiol (II) yields the phenylthiochromans (III), (VI), or (VIIa).
ChemInform Abstract: Cyclization Reactions of Nitriles. Part 23. Addition of Active Phenols to Electron Deficient Ethenes Accompanied by Cyclization to 2‐Amino‐4H‐benzo(b)pyrans.
Authors: KLOKOL G. V. , SHARANINA L. G. , NESTEROV V. N. , SHKLOVER V. E. , SHARANIN YU. A. , STRUCHKOV YU. T.
Published: May 2016

The activated phenols (I) as well as 2‐naphthol (IV) react with electron‐deficient alkenes like (II) to yield the 2‐amino‐4H‐benzo(b)pyrans (III) or the 2‐amino‐4H‐naphtho‐(2,1‐b)pyrans (V).
ChemInform Abstract: The 2,2′‐Spirobichroman ‐ 1,1′‐Spirobiindan‐4,4′‐diol Rearrangement. Part 2.
Authors: TANAKA T. , MIYAGUCHI M. , MOCHISUKI R. K. , TANAKA S. , OKAMOTO M. , KITAJIMA Y. , MIYAZAKI T.
Published: May 2016

The spirobiindandiols (II) are obtained by rearrangement of the spirobichroman derivatives (Ia) ‐ (Id).
ChemInform Abstract: Preparation of 2,3,4,5‐Tetrahydropyridines from 5‐Alkynylamines Under the Catalytic Action of Au(III).
Authors: FUKUDA Y. , UTIMOTO K. , NOZAKI H.
Published: May 2016

Au(III)‐catalyzed cyclization of the alkynylamines (I) yields the tetrahydropyridines (II).
ChemInform Abstract: Regioselectivity in the Synthesis of Isoquinolines with Methoxy Activating Groups.
Authors: EUERBY M. R. , WAIGH R. D.
Published: May 2016

The cyclization of various benzylamines such as (I), (IV) or (X) or phenylethyl amines such as (VII) to give the corresponding isoquinolines is reinvestigated.
ChemInform Abstract: An Unusual Product Obtained from the Reaction of Aniline with 1‐(2‐Chlorocyclopentyl)piperidine.
Authors: SZMUSZKOVICZ J. , CHIDESTER C. G. , LAURIAN L. G. , SCAHILL T. A.
Published: May 2016

The chlorocyclopentylpiperidine (I) reacts with the aniline (II) to yield the substitution and cyclization products (III) and (IV).
ChemInform Abstract: Stereoselective Synthesis of 1,2‐Diethoxy‐ and 1,4‐Dioxino(2,3‐b)furans Using Organoiron Reagents.
Authors: ROSENBLUM M. , FOXMAN B. M. , TURNBULL M. M.
Published: May 2016

The dihydrodioxine complex (VI), prepared as shown in the reaction scheme, is coupled with the enolate (VII) and then reduced to form the cyclohexyldioxane (VIII).
ChemInform Abstract: Synthesis of endo‐1,3‐Dimethyl‐2,9‐dioxabicyclo(3.3.1)nonane.
Authors: MOHR P. , TAMM C.
Published: May 2016

The bis(siloxy)alkene (III), obtained from the diol (I), is hydroborated to form the bis(siloxy)alcohol (IVa) which is tosylated and then converted to the iodide (IVc).
ChemInform Abstract: A Novel “Ring‐Switching” Amination: Conversion of 4‐Amino‐5‐cyanopyrimidine to 4,5‐Diamino‐5‐cyanopyrimidine.
Authors: TAYLOR E. C. , EHRHART W. A. , TOMLIN C. O. S. , RAMPAL J. B.
Published: May 2016

The aminocyanopyrimidine (I) is transformed into the diamino derivative (VI) via the aminopyrimidopyrimidine (III).
ChemInform Abstract: Synthesis of Pyrido(1,2‐a)pyrimidin‐4‐ones. Potential Antihypertensive Agents. Part 3.
Authors: DA SETTIMO A. , FERRARINI P. L. , MORI C. , PRIMOFIORE G. , SUBISSI A.
Published: May 2016

The chloromethylpyridopyrimidines (I) are coupled with various secondary amines (II), yielding the corresponding aminomethyl derivatives (III).
ChemInform Abstract: C‐Morpholino‐ or Piperidino‐v‐triazoles from 1,1‐Enediamines and Ethyl Azidoformate.
Authors: FIORAVANTI S. , LORETO M. A. , PELLACANI L. , TARDELLA P. A.
Published: May 2016

The enediamines (I) react with ethyl azidoformate (II) to give the unstable triazolines (III) which are cleaved on silica gel, yielding the triazoles (IV) and the cyclocarbamates (V).
ChemInform Abstract: Synthesis of Arylthio‐Substituted 3,8‐Diphenyl‐1,2‐diazacycloocta‐2,4,6,8‐tetraenes and Their Thermolysis.
Authors: YOGI S. , HOKAMA K. , TSUGE O.
Published: May 2016

Nucleophilic substitution of the diazocine (I) with the thiols (II) yields the mono‐ (III) and disubstituted derivatives (IV).
ChemInform Abstract: Preparation of Arylsulfonyl‐Substituted 3,8‐Diphenyl‐1,2‐diazacycloocta‐2,4,6,8‐tetraenes and Their Thermolysis.
Authors: YOGI S. , HOKAMA K. , TSUGE O.
Published: May 2016

Nucleophilic substitution of the dichlorodiazocine (I) with the benzene sulfinate (II) gives the stable products (IIIa) + (IVa).
ChemInform Abstract: Preparation of tert‐Butyl 4‐Diethylphosphono‐3‐oxobutanethioate and Use in the Synthesis of (E)‐4‐Alkenyl‐3‐oxoesters and Macrolides.
Authors: LEY S. V. , WOODWARD P. R.
Published: May 2016

The ω‐bromothioate (III) is prepared either from diketene (I) or from Meldrum's acid (V).
ChemInform Abstract: On the Reaction of PCl5 with D,L‐Threonine.
Authors: GURARII L. I. , MUKMENEV E. T.
Published: May 2016

Threonine (III) reacts with excess phosphorus pentachloride to give a mixture of the trichlorophosphine imine (I) and the dichlorophosphate (II) or (I) exclusively, depending on the solvent used.
ChemInform Abstract: Reaction of F‐Alkanoic Acid Chlorides with Trialkyl Phosphites Leading to 1‐(Dialkoxyphosphinyl)oxy‐F‐1‐alkenephosphonates or 1‐(Dialkoxyphosphinyl)oxy‐1H‐F‐alkanephosphonates.
Authors: ISHIHARA T. , MAEKAWA T. , YAMASAKI Y. , ANDO T.
Published: May 2016

The fluorinated carboxylic acid chlorides (I) react with triethyl phosphite (II) to produce the Z‐alkenephosphonate derivatives (III) or the alkanephosphonates (IV), depending on the reaction conditions.
ChemInform Abstract: Combined Opening and Closure of the Oxirane Ring in the Reaction of 4‐Chloro‐2,3‐epoxyalkane‐1‐phosphonates with Nucleophiles.
Authors: RYABOV B. V. , IONIN B. I. , PETROV A. A.
Published: May 2016

The title compounds (III), prepared from the phosphonates (I) and the peracid (II), react with alcoholates to give the rearranged phosphonates (IV).
ChemInform Abstract: Free Radical Alkylthiylation of Hydridophosphoranes. Structure‐Reactivity Factors Affecting the Reactions of Bicyclic Phosphoranyl Radicals with Disulfides.
Authors: BENTRUDE W. G. , KAWASHIMA T. , KEYS B. A. , GARROUSSIAN M. , HEIDE W. , WEDEGAERTNER D. A.
Published: May 2016

The UV‐light‐initiated reactions of the phosphorane (I) with a variety of disulfides (II) occur to yield the product (III).
ChemInform Abstract: Reaction of 1‐N‐Hydroxyethyl‐3‐iminopyrazolidine with Hexaalkylphosphorous Triamide.
Authors: GADZHIEV G. YU. , KOROTEEV M. P. , BUDAGOV V. A. , IBRAGIMOV S. I.
Published: May 2016

Reaction of the title compounds (I) and (II) yields the oxadiazaphosphorinanes (III) which are treated with sulfur, producing the thioxo compounds (IV).
ChemInform Abstract: Studies of Applications of Organoelement Compounds of Groups V and VI in Organic Syntheses. Part 46. Synthesis, Reactivity, and Crystal Structure of Trifluoroacetylmethylenetriphenylarsorane.
Authors: SHEN Y. , FAN Z. , QIU W.
Published: May 2016

The arsonium iodide (I) is deprotonated by phenyllithium (II) and then coupled with the ester (III) to give the arsonium ylide (IV).
ChemInform Abstract: A Novel Hypervalent Antimony Ate Complex (12‐Sb‐6).
Authors: AKIBA K. , FUJIKAWA H. , SUNAGUCHI Y. , YAMAMOTO Y.
Published: May 2016

On treatment of the benzoxastibole(V) (I) with MeLi at ‐78 °C, the only adduct (IIa) is formed which at increasing temp. equilibrates with its isomers (IIb) and (IIc).
ChemInform Abstract: The Invention of New Radical Chain Reactions. Part 13. High Yielding Decarboxylative Chalcogenation of Aliphatic and Alicyclic Acids.
Authors: BARTON D. H. R. , BRIDON D. , ZARD S. Z.
Published: May 2016

The symmetrical dichalcogenides (I), (IV), and (VII) are thermally or photochemically cleaved in the presence of the N‐acyloxyheterocycles (II) and (V) to produce the chalcogenides (III), (VI), and (VIII).
ChemInform Abstract: Functional Trimethylphosphine Derivatives. Part 24. Phosphine Complexes of Main Group Elements. Part 6. (Phosphinomethyl)aluminum Compounds: Bis‐ and Tris(dimethylphosphino)methyl Ligands in Tetrahedral and Octahedral Aluminum Phosphine Complexes and X‐Ray Structure of Al((PMe2)2C(SiMe3))3.
Authors: KARSCH H. H. , APPELT A. , RIEDE J. , MUELLER G. +
Published: May 2016

The phosphinomethanides (I) react with Me2AlCl to give the tetrahedral, monomeric phosphine complexes (II) with four‐membered chelate rings.
ChemInform Abstract: Equilibrium and Kinetics of Complexes of Aquachromium(III) with Nicotinate Ion.
Authors: PURSER G. H. , KING E. L.
Published: May 2016

Species of the type (I) are prepared in aqueous solutions containing (Cr(H2O)6)3+ and the nicotinate ion in the pH range 3‐5 and can be isolated.
ChemInform Abstract: A New Route to Synthesize Dinuclear Mo(I) Complexes Containing SR Bridges: Synthesis and Structure of Mo2(CO)8(SCH2CO2Et)2.
Authors: ZHUANG B. , HUANG L. , HE L. , YANG Y. , LU J.
Published: May 2016

The synthesis of the title compound (II) by oxidation of the dinuclear Mo(0) complex (I) by I2 demonstrates a new route to prepare dinuclear Mo(I) complexes containing SR bridges mostly quantitatively.
ChemInform Abstract: Three Coordination Modes of the Pentadentate Ligand 2,6‐Diacetylpyridinedisemicarbazone.
Authors: BINO A. , FRIM R. , VAN GENDEREN M.
Published: May 2016

The pentadentate title ligand reacts with Cr(NO3)3·9 H2O to form at pH 3 the complex (I) with monodeprotonated ligand and in 1 M HNO3 the complex (II) with neutral ligand.
ChemInform Abstract: The Kinetics of the Oxidation of Metal Complexes by Hexakis(urea)manganese(III) in Acetonitrile.
Authors: MACARTNEY D. H.
Published: May 2016

A kinetic study of the reduction of the title manganese ion by a series of nickel(II) macrocycles and Os(II), Fe(II) or Ru(II) tris(polypyridine) complexes is reported.
ChemInform Abstract: Activation of Alkanes Involving Rhenium Atoms: Synthesis and Electronic Structure of Binuclear μ‐Alkylidene Derivatives; Molecular Structure of ((Re(η‐C6H6))2(μ‐CHtBu)(μ‐H)2).
Authors: GREEN J. C. , GREEN M. L. H. , O'HARE D. , WATSON R. R. , BANDY J. A.
Published: May 2016

Cocondensation of Re atoms with a mixture of benzene and corresponding alkanes R1‐CH2‐R2 and cyclopropane leads to the binuclear hydride‐bridged μ‐alkylidene complexes (Ia‐f) and (Ig), respectively.
ChemInform Abstract: η‐Benzenebis(trimethylphosphine)iron as a Precursor to (Fe(η‐C5R5)(PMe3)2) (R: H or Me) Derivatives: the Equilibrium (Fe)(PMe3)Et ⇌ (Fe)(η‐C2H4)H + PMe3, Where (Fe): Fe(η‐C5Me5)(PMe3).
Authors: GREEN M. L. H. , WONG L.‐L.
Published: May 2016

Starting from η6‐benzene‐bis(trimethylphosphine)‐Fe (I), cocondensation product from Fe atoms, benzene, and PMe3, the cyclopentadienyl‐bis(phosphine)‐Fe compounds (II), (IV)‐(VII) are prepared by corresponding reactions as shown in the scheme.
ChemInform Abstract: Synthesis and Characterization of a New Series of Iron(II) Single‐Face Hindered Porphyrins. Influence of Central Steric Hindrance Upon Carbon Monoxide and Oxygen Binding.
Authors: MOMENTEAU M. , LOOCK B. , TETREAU C. , LAVALETTE D. , CROISY A. , SCHAEFFER C. , HUEL C. , LHOSTE J.‐M. LHOSTE J.‐M.
Published: May 2016

The compounds (VIa), easily obtained in a two‐step procedure, contain one "handle" and two pivaloyl "pickets" as substituents in order to vary both the cavity size and to hold the handle in a central position.