bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Photoinduced Electron‐Transfer Fragmentation of Amino Alcohols: Stereochemical Effects and Connectivity Between One‐ and Two‐Electron Events.
Authors: CI X. , LEE L. Y. C. , WHITTEN D. G. 
Published: May 2016

AbstractStudies with the β‐amino alcohols (I) and (VII) reveal that photoredox‐induced cleavage of the Cα‐Cβ bond can be a clean and efficient reaction closely analogous to two‐electron solvolytic fragmentations.
ChemInform Abstract: ESR Study on the σ‐ and π‐Radical Cations Formed by One‐Electron Oxidation of Phenyldiazomethanes.
Authors: ISHIGURO K. , SAWAKI Y. , IZUOKA A. , SUGAWARA T. , IWAMURA H. 
Published: May 2016

AbstractThe radical cations from (I) and (II) obtained during electrochemical oxidation at low temp. seem to have a "σ‐radical" structure, in which an unpaired electron is localized on two nitrogens.
ChemInform Abstract: Electrochemical Reductions in Liquid Ammonia: Electrolytic Birch Reactions and Chemical Bond Fissions.
Authors: CHAUSSARD J. , COMBELLAS C. , THIEBAULT A. 
Published: May 2016

AbstractElectrolysis of the aromatic compounds (I) and (III) in liquid ammonia results in Birch reaction, yielding the dihydro derivatives (II) and (IV).
ChemInform Abstract: Palladium‐Catalyzed Reaction of Tributyltin Hydride. Regiospecifically Controlled Formation of α‐Bromo‐α,α‐Disubstituted Ketones from Tributyltin β‐Ketocarboxylates.
Authors: GUIBE F. , ZHANG H. X. , BALAVOINE G. 
Published: May 2016

AbstractThe α‐disubstituted allylic β‐keto esters (Ia) ‐ (Id), (Va), and (Vb) react with tributyltin hydride (II) in the presence of a palladium catalyst to give the corresponding tributylstannyl‐β‐ketocarboxylates which are converted to the highly substituted α‐bromoketones (IVa) ‐ (IVd), (VIa), and (VIb) by treatment with N‐bromosuccinimide (III) in situ.
ChemInform Abstract: Asymmetric Oxidation of Some Sulfur Derivatives.
Authors: NEMECEK C. , DUNACH E. , KAGAN H. B. 
Published: May 2016

AbstractThe asymmetric oxidation of the disulfides (I) to give the thiosulfinates (II), of the sulfenamides (III) to form the sulfinamides (IV) and of the sulfenates (V) to yield the sulfinates (VI) is performed under the reaction conditions described.
ChemInform Abstract: 3‐(p‐Acetophenyl)‐1‐phenyltriazene‐N‐oxide. A New Reagent for Gravimetric Determination of Nickel(II) and Palladium(II) and Their Separation from Binary Mixture.
Authors: SARAN K. B. , ROY B. C. , LAHIRI S. 
Published: May 2016

AbstractThe title compound (III) is prepared by coupling phenylhydroxylamine (I) with the diazonium salt (II) derived from p‐aminoacetophenone.
ChemInform Abstract: 2,2′,4,4′,6,6′‐Hexanitrobiphenyl‐3,3′,5,5′‐tetramine: Synthesis and Comparison of Physicochemical Properties with Those of Other Amino Nitro Biphenyls.
Authors: BELL A. J. , EADIE E. , READ R. W. , SKELTON B. W. , WHITE A. H. 
Published: May 2016

AbstractThe title compound (V) is synthesized and fully characterized by an X‐ray analysis: space group P21/c, Z=4.
ChemInform Abstract: (4)Paracyclophane Intercepted.
Authors: KOSTERMANS G. B. M. , BOBELDIJK M. , DE WOLF W. H. , BICKELHAUPT F. 
Published: May 2016

AbstractIrradiation with 254 nm of the tetramethylene(Dewar benzene) (I) at ‐20 °C in THF leads to (4)paracyclophane (II).
ChemInform Abstract: Synthesis of 9‐Oxabicyclo(6.1.0)non‐3‐yne.
Authors: MEIER H. , MAYER W. , KOLSHORN H. 
Published: May 2016

Abstract1,5‐Cyclooctadiene (I) serves as starting material for the synthesis of the title compound which exists as two conformers (VI) and (VII).
ChemInform Abstract: Synthesis of 1‐Arylethynylaziridines.
Authors: TIKHOMIROV D. A. , EREMEEV A. V. 
Published: May 2016

AbstractThe reaction of phenylacetylene (I) with aziridine (II) in the presence of copper(II) acetate and oxygen leads to the formation of the phenylethynylaziridine (III) and diphenylbutadiine (IV).
ChemInform Abstract: Polycyclic Compounds. Part 24. The Influence of Substituents on Reactions of 3‐Oxaquadricyclanes ‐ Formation of Oxatricycloheptanes, Oxepines/Benzene Oxides and Benzofurans.
Authors: GLOMBIK H. , WOLFF C. , TOCHTERMANN W. 
Published: May 2016

AbstractThe oxaquadricyclanes (I) are converted to (II) either by filtration on basic alumina or by heating in toluene, with the latter procedure giving (IIIb) as a by‐product.
ChemInform Abstract: Stereoselectivity in the Synthesis of Substituted 2‐(2‐Tetrahydrofuranyl)acrylates via Intramolecular Oxymercurations or Oxypalladations of Allenes.
Authors: WALKUP R. D. , PARK G. 
Published: May 2016

AbstractCarbonylation of the hydroxy or siloxy allenes (I) under various catalytic conditions yields the furans (II).
ChemInform Abstract: Intramolecular Enolene and Homodienyl Rearrangements Involving 1,5‐Sigmatropic Shifts in Ethyl 3,3‐Dimethyl‐4‐pentenoate.
Authors: JOSHI G. S. , KULKARNI G. H. 
Published: May 2016

AbstractUnder the given conditions, the ester (I) produces the γ‐lactones (II) and (III).
ChemInform Abstract: Further Observations on the Lewis Acid‐Catalyzed Benzylic Hydroperoxide Rearrangement: Use of a Boron Trifluoride/Hydrogen Peroxide, Preformed, Aged Reagent.
Authors: BOGER D. L. , COLEMAN R. S. 
Published: May 2016

Abstract7‐Hydroxyindoline (II) is prepared from the alcohols (I) by acid‐catalyzed oxidation and then acetylated to form the derivatives (III).
ChemInform Abstract: Investigations of Imidazo(1,2‐a)benzimidazole Derivatives. Syntheses Using 2‐(2‐Hydroxyethylamino)benzimidazoles.
Authors: ANISIMOVA V. A. , LEVCHENKO M. V. 
Published: May 2016

AbstractThe imidazobenzimidazoles (IV) are prepared from the hydroxyethylaminobenzimidazoles (I) via the chloroethylamino derivatives (II).
ChemInform Abstract: Synthesis of 5‐Alkynylidene‐oxazolidin‐2‐ones.
Authors: TAM T. F. , THOMAS E. , KRANTZ A. 
Published: May 2016

AbstractThe propargyl carbamates (II) undergo halocyclization in the presence of the carbodiimide (III), yielding the iodomethylene oxazolidinones (IV) which are coupled with the alkynes (V) to produce the alkynylidene derivatives (VI) and (VII).
ChemInform Abstract: Palladium‐Catalyzed Reactions of Terminal Acetylenes and Olefins with Halo‐1,3‐azoles.
Authors: SAKAMOTO T. , NAGATA H. , KONDO Y. , SHIRAIWA M. , YAMANAKA H. 
Published: May 2016

AbstractThe terminal alkynes (II) and alkenes (VIII) react with the haloazoles (I), (IV), and (VI) in the presence of palladium catalysts, yielding the substituted products (III), (V), (VII), (IX), (X), and (XI).
ChemInform Abstract: Synthesis of 2‐Carbomethoxy‐ and 2‐(2‐Benzimidazolyl)chromones.
Authors: REDDY K. R. S. , SRIMANNARAYANA G. , RAO N. V. S. 
Published: May 2016

AbstractThe chromone‐2‐carboxylates (III) are prepared from the o‐hydroxyacetophenones (I).
ChemInform Abstract: Derivatives of Octahydropyrrolo(4,3,2‐m,n)acridine. Part 1. Synthesis, Molecular and Crystal Structure of a Novel Heterocyclic System. Derivatives of 2,4,4,5,7,8,9,10‐Octahydropyrrolo(4,3,2‐m,n)acridine‐10‐one.
Authors: BISENIEKS E. A. , BUNDULE M. F. , UDRIKIS YA. R. , DUBUR G. YA. , MISHNEV A. F. , BLEIDELIS YA. YA. 
Published: May 2016

AbstractThe octahydropyrroloacridines (II) and (IV) are formed on heating the bis(dimethylcyclohexanedionyl)acetone (I) or the 3,6‐dimethyl‐9‐benzoyloctahydroxanthenedione (III) with ammonia.
ChemInform Abstract: Azaindoles Derivatives. Part 69. Some Reactions in the 5‐Cyano‐7‐chloro‐7‐azaindole Series and the Lactim‐Lactam Tautomerism of 5‐Cyano‐6‐ hydroxy‐7‐azaindoles.
Authors: SYCHEVA Z. V. , RUBTSOV N. M. , SHEINKER YU. N. , YAKHONTOV L. N. 
Published: May 2016

AbstractDehydrogenation of the 7‐azaindolines (I) gives the azaindoles (II).
ChemInform Abstract: Synthesis, NMR, and X‐Ray Study of 1‐Substituted Azeto(2,1‐a)isoquinoline Diastereomers.
Authors: BERNATH G. , FUELOEP F. + , KOBOR J. , SOHAR P. , ARGAY G. , KALMAN A. 
Published: May 2016

AbstractThe N‐benzoyltetrahydroisoquinoline (I) is treated with hydrochloric acid to yield the isomeric benzoyl esters (IIa) and (IIb).
ChemInform Abstract: Acetals and Ketals of 2‐(2‐Pyridyl)propane‐1,3‐diol. Novel Protection for Carbonyl Groups.
Authors: KATRITZKY A. R. , FAN W.‐Q. , LI Q.‐L. 
Published: May 2016

AbstractThe pyridylpropanediol (I) reacts with the aldehydes (IIa) or the ketones (IIb) and (IIc), yielding the pyridyl‐1,3‐dioxanes (III).
ChemInform Abstract: Synthesis of Polynitroaryl Derivatives of 3‐Aryl‐1H,4H‐dihydro‐4,6,6trimethylpyrimidine‐2‐thiols as Possible Fungicides.
Authors: SANGAL S. K. , KUMAR A. , RASTOGI P. , PRAKASH O. 
Published: May 2016

AbstractVarious arylthiopyrimidines (III) are synthesized by coupling the activated chlorobenzenes (I) with the pyrimidine‐2‐thiols (II).
ChemInform Abstract: Condensed Pyridazines. Part 5. Reactions of 7‐(Methylsulfonyl)‐1‐phenyl‐1H‐1,2,3‐triazolo(4,5‐d)pyridazine with Methoxide Ion, Grignard Reagents, Hydrazines, and Amines.
Authors: OISHI E. , YAMADA A. , HAYASHI E. , HIGASHINO T. 
Published: May 2016

AbstractThe chloropyridazine (I) is converted into the methylsulfonyl or methoxy derivatives (II) and (III).
ChemInform Abstract: Synthesis of Medium and Large Rings. Part 18. Scope and Limitation of the Synthesis of 3,6‐Hexanooxepins from Furans and Cyclooctyne.
Authors: VAGT U. , HAASE M. , KONUSCH J. , TOCHTERMANN W. 
Published: May 2016

AbstractThe oxanorbornadienes (II), prepared by cycloaddition reactions of (I) with (III), yield tetracycles (IV) on irradiation (except for (IIf)), whose thermolysis affords the title compounds (V) (discussion of the mechanism involved).
ChemInform Abstract: Borylation of Arylsilanes. Part 1. A General, Easy, and Selective Access to Phenyldihaloboranes.
Authors: KAUFMANN D. 
Published: May 2016

AbstractIn contrast to trifluoroborane (Id), which is inert, the trihaloboranes (Ia)‐(Ic) react with the silane (II) according to A to give the boranes (III) in high yields.
ChemInform Abstract: Bora‐Aromatic Systems. Part 9. Di‐π‐methane‐Like Photorearrangement of Dimesityl(mesitylethynyl)borane: Synthesis, Structure, and Aromaticity of Trimesitylborirene.
Authors: EISCH J. J. , SHAFII B. , RHEINGOLD A. L. 
Published: May 2016

AbstractThe solid borirene (II), prepared by photorearrangement of (I), can be heated at 250 °C for 5 min in the air without decomposition.
ChemInform Abstract: A Simple Synthesis of Allylsilanes via Tris((trimethylsilyl)methyl)borane.
Authors: WANG K. K. , DHUMRONGVARAPORN S. 
Published: May 2016

AbstractTris(trimethylsilylmethyl)boron (I) reacts with 1‐octynyllithium (II) to form the salt (III) which is converted to the vinylboranes (V).
ChemInform Abstract: Synthesis of Allylsilanes and β‐(Trimethylsilyl) Ketones via Lithium 1‐Alkynyltrialkylborates.
Authors: WANG K. K. , YANG K. E. 
Published: May 2016

AbstractThe lithium 1‐alkynyltrialkylborates (III), prepared from the trialkyl boranes (I) and the lithium acetylides (II), react with trimethylsilylmethyl triflate (IV) to give the allylsilanes (V).
ChemInform Abstract: Chemistry of O‐Silylated Ketene Acetals. Novel Chemical Transformation of Vinyl Sulfoxides and Related Sulfoxides.
Authors: KITA Y. , TAMURA O. , ITOH F. , YASUDA H. , MIKI T. , TAMURA Y. 
Published: May 2016

AbstractCoupling of the vinyl sulfoxides (I) with the bulky silyl ketene acetals (II) yields the siloxy(phenylthio)esters (III).
ChemInform Abstract: Photolysis of Acylpolysilanes Containing α‐Hydrogens. Formation of Linear Head‐to‐Head Silene Dimers.
Authors: BAINES K. M. , BROOK A. G. 
Published: May 2016

AbstractThe photolysis of the acylpolysilanes (I) leads to linear (IIIa‐c) and cyclic (IIb,c) head‐to‐head dimers of the intermediates (Me3Si)2Si=C(OSiMe3)R1.
ChemInform Abstract: Synthesis and Reactions of N‐Silylated Ene‐diamines. Part 2. (2 + 2) Cycloadditions: Synthesis of Derivatives of 1,4‐Diamino‐1,3‐butadiene‐2,3‐dicarboxylic Acid.
Authors: TOM DIECK H. , ZETTLITZER M. 
Published: May 2016

AbstractReaction of the diazadiene (I) with the chlorosilanes (II) affords the diazasilacyclopentenes (IIIa)‐(IIIc).
ChemInform Abstract: 2,3‐Bis(diphenylphosphinyl)‐1,3‐butadiene via a Double (2,3)‐Sigmatropic Rearrangement. A Reinvestigation of the Reaction of 2‐Butyne‐1,4‐ diol with Chlorodiphenylphosphine.
Authors: POLLOCK T. , SCHMIDBAUR H. 
Published: May 2016

Abstract2‐Butyne‐1,4‐diol (I) reacts with chlorodiphenylphosphine (II), yielding 2,3‐bisdiphenylphosphinyl‐1,3‐butadiene (V) as a result of rearrangement reactions.
ChemInform Abstract: Synthesis of 1,2‐O‐Isopropylideneglycerothiolo(dithiolo)phosphohomocholines. A New Variant of the Thione‐Thiol Isomerization of Alkylenethionophosphates.
Authors: NIFANT'EV E. E. , PREDVODITELEV D. A. , RASADKINA E. N. , BEKKER A. R. 
Published: May 2016

AbstractThionophosphates such as (I), (IV), or (VII) rearrange in the presence of phosphonium salts to give the corresponding thiolophosphates (III), (V), and (VI), or (IX), depending on the structure.
ChemInform Abstract: Special Properties Imparted to the 9‐Phosphabicyclo(6.1.0)nonatriene System by a P‐(2,4,6‐Tri‐tert‐butylphenyl) Substituent. 17O‐NMR Spectrum of a Bicyclic Phosphirane Oxide.
Authors: QUIN L. D. , YAO E.‐Y. , SZEWCZYK J. 
Published: May 2016

AbstractThe 9‐aryl‐9‐phosphacyclo(6.1.0)nona‐2,4,6‐triene (III) is synthesized by reacting dilithium cyclooctatetraenide (I) with the arylphosphonous dichloride (II).
ChemInform Abstract: Synthesis and Structure of Zinc L‐Aspartate Chloride, Zn(L‐AspH)Cl.
Authors: SCHMIDBAUR H. , BACH I. , RIEDE J. , MUELLER G. + , HELBIG J. , HOPF G. 
Published: May 2016

AbstractThe reaction of ZnO or ZnCO3 with L‐aspartic acid yields zinc di(L‐aspartate), wherein aspartic acid functions as a monobasic acid.
ChemInform Abstract: Structure and Characterization of (C5H5)2Zr(H)BH3CH3.
Authors: KOT W. K. , EDELSTEIN N. M. , ZALKIN A. 
Published: May 2016

AbstractThe title complex (I) is obtained by reaction of ZrCl2(C5H5)2 with LiBH3Me in Et2O or chlorobenzene during an unsuccessful attempt to synthesize Zr(C5H5)2(BH3Me)2.
ChemInform Abstract: SnCl4(4‐tBuC6H4CHO)2. X‐Ray Crystal Structure, Solution NMR, and Implications for Reactions at Complexed Carbonyls.
Authors: DENMARK S. E. , HENKE B. R. , WEBER E. 
Published: May 2016

AbstractTo gain more insight into the mechanism and stereoselectivity of cyclization of the allylmetal aldehyde condensation, several studies on the effects of experimental variables (concentration, stoichiometry, additional groups) are carried out on model (I) with SnCl4 as the Lewis acid.
ChemInform Abstract: α‐Metallated Vinyl Carbanionoids. Part 2. Preparation and Stability of Vinyllithium Containing Triorganostannyl Groups on the α‐Carbon Atom.
Authors: MITCHELL T. N. , REIMANN W. 
Published: May 2016

AbstractReaction of the stannylalkenes (I) with methyllithium (II) in different solvents leads to the formation of the stannylvinyl lithium derivatives (III).
ChemInform Abstract: Interaction of Dimethyltin Sulfide with 1,2‐Dibromoethane. Crystal Structure of the Dimethyltin Dibromide/1,4‐Dithiane Complex.
Authors: SHCHERBAKOV V. I. , GRIGOR'EVA I. K. , RAZUVAEV G. A. , ZAKHAROV L. N. , BOCHKOVA R. I. 
Published: May 2016

AbstractReaction of trimeric dimethyltin sulfide (I) with 1,2‐dibromoethane (II) yields the complex (III) which is also obtained from dimethyltin dibromide (IV) and dithiane (V).
ChemInform Abstract: Novel Reactivity Patterns of (N,N′‐Ethylenebis(salicylideneaminato))oxovanadium(IV) in Strongly Acidic Media.
Authors: BONADIES J. A. , BUTLER W. M. , PECORARO V. L. , CARRANO C. J. 
Published: May 2016

AbstractThe title complex (I) displays a rich coordination chemistry in strongly acidic solution with the complexes being generated depending on the choice of solvent, the proton source, and the presence or absence of dioxygen.
ChemInform Abstract: Metallaheterocumulenes. Part 7. α‐Bromoisocyanide Complexes via Addition of Bromide to Cationic 2‐Azoniaallenylidene Complexes.
Authors: FISCHER H. , SEITZ F. , MUELLER G. + 
Published: May 2016

AbstractCompounds (I) react via the cationic title complexes to give (III).
ChemInform Abstract: Formation of Manganese(IV)‐Oxo‐Porphyrin Derivatives by Decomposition of Peroxycarbonate Complexes.
Authors: SCHAPPACHER M. , WEISS R. 
Published: May 2016

AbstractThe Mn(III)‐peroxycarbonate intermediates (III) formed from the Mn(II)‐superoxo complexes (I) undergo either O‐O bond homolysis into Mn(IV)‐oxo species (V) or O‐O bond heterolysis into Mn(V)‐oxo species (IV) depending on the solvent or the porphyrin used.
ChemInform Abstract: Synthesis and Characterization of Complexes Containing the Bis(1,2‐diolato)oxotechnetium(V) Core.
Authors: DAVISON A. , DEPAMPHILIS B. V. , JONES A. G. , FRANKLIN K. J. , LOCK C. J. L. 
Published: May 2016

AbstractUtilizing the lability of TcOCl4‐ toward ligand exchange its reaction with corresponding diols in methanol yields the complexes (I) and (II).
ChemInform Abstract: Intramolecular Electron Transfer in the Reductive Chromophore‐Quencher Complex ((bpy)Re(CO)3(py‐PTZ))+.
Authors: CHEN P. , WESTMORELAND T. D. , DANIELSON E. , SCHANZE K. S. , ANTHON D. , NEVEUX P. E. JUN. , MEYER T. J. 
Published: May 2016

AbstractThe complexes (III), (V), and (VIII), which contain both an MLCT chromophore and the chemically attached reductive quencher ligand, are prepared as shown in the scheme (yield given only for (III)).
ChemInform Abstract: Reaction of Cyclic Fe(η5‐C5H4PPh)(η5‐C5H4) with LiC5H5 and NaFe(CO)2(η5‐C5H5). Structures of (Fe((η5‐C5H4)2)P(C6H5)‐P)Fe(H)(η5‐C5H5)(CO) and ((C6H5)(Fe(η5‐C5H5)(η5‐C5H4)) (Fe(η5‐C5H5)(η5‐C5H3C(O)))P‐P,C)Fe(η5‐C5H5)(CO)·CHCl3.
Authors: BUTLER I. R. , CULLEN W. R. , RETTIG S. J. 
Published: May 2016

AbstractTreatment of (1,1'‐ferrocenediyl)phenylphosphine (I) with NaFe(CO)2(η5‐C5H5) (II) leads to the binuclear title complex (III).
ChemInform Abstract: Electronic and Spectral Properties of Organometallic Tetracyano‐p‐quinodimethane (TCNQ) Salts with Metallocene Stacks.
Authors: PUKACKI W. , PAWLAK M. , GRAJA A. , LEQUAN M. , LEQUAN R. M. 
Published: May 2016

AbstractThe two salts (III), prepared as shown in the scheme, are characterized by dc conductivity, thermoelectric power, and IR spectroscopy.
ChemInform Abstract: Noncovalent Interactions in Metal Complexes. Part 15. Stereoselectivity of Cobalt(III) Mixed Chelates with Bis(1‐l‐menthyloxy‐3‐benzoylacetone)ethylenediimine and a Diamine.
Authors: OKAWA H. , MAEDA S. , NAKAMURA M. , KIDA S. 
Published: May 2016

AbstractThe condensation product (I) of 1‐1‐menthyloxy‐3‐benzoylacetone and ethylenediamine reacts with cobalt(II) acetate to yield the Co complex (III).
ChemInform Abstract: Synthesis and Complexing Properties of the Large Polyazacycloalkane 1,4,7,10,13,16,19,22,25,28‐Decaazacyclotriacontane (L). Crystal Structure of the Monoprotonated Dicopper(II) Complex (Cu2(L)HCl2)(ClO4)3·4 H2O.
Authors: BENCINI A. , BIANCHI A. , GARCIA‐ESPANA E. , GIUSTI M. , MANGANI S. , MICHELONI M. , ORIOLI P. , PAOLETTI P. 
Published: May 2016

AbstractThe hitherto largest N heterocycle (IV) is prepared.
ChemInform Abstract: Protonation of Six‐Coordinate Hydrido Complexes of Osmium(II). Examples of Seven‐Coordination in Osmium Polypyridyl Chemistry.
Authors: SULLIVAN B. P. , LUMPKIN R. S. , MEYER T. J. 
Published: May 2016

AbstractThe hydrido osmium(II) complexes (I) undergo protonation with the acid (II) to form the dihydrido complexes (III).
ChemInform Abstract: Higher Oxidation State Chemistry of Osmocene: Dimeric Nature of the Osmocenium Ion.
Authors: DROEGE M. W. , HARMAN W. D. , TAUBE H. 
Published: May 2016

AbstractOxidation of osmocene leads to the discovery of the metal‐metal bonded osmocenium dimer (II) whose crystal structure (space group P4n2, Z=2) is determined as its PF6‐ salt.
ChemInform Abstract: Disperse Dyes Derived from 4‐Phenylazo‐1‐naphthylamine and 4‐Phenylazo‐ 5‐hydroxy‐1‐naphthylamine.
Authors: PETERS A. T. , SENER M. E. 
Published: May 2016

AbstractApplication of the Bucherer reaction of the 1‐naphthols (I) with the amines (II) leads to a satisfactory synthesis of the 1‐naphthylamines (III).
ChemInform Abstract: Synthesis of Porphyrins with Four Exocyclic Rings from 4,5,6,7‐Tetrahydroindoles.
Authors: LASH T. D. , BLADEL K. A. , JOHNSON M. C. 
Published: May 2016

AbstractThe tetrahydroindoles (I) react with lead tetraacetate to give the acetoxy derivatives (II).
ChemInform Abstract: Asymmetric Aza‐Claisen Rearrangement: Synthesis of (+)‐Dihydropallescensin‐2 ((+)‐Penlanpallescensin).
Authors: KURTH M. J. , SOARES C. J. 
Published: May 2016

AbstractThe mesylate (IIb), prepared from 2‐methylcyclohexanone (I) by known methods, is coupled with the oxazoline (III), forming the oxazolinium salt (IV).
ChemInform Abstract: A New and Facile Synthesis of 2‐Alkenenitriles Using 3‐Buten‐2‐one Cyanohydrin Diethyl Phosphate. Application to (.+‐.)‐(E)‐Nuciferol Synthesis.
Authors: YONEDA R. , HARUSAWA S. , KURIHARA T. 
Published: May 2016

AbstractThe diethyl phosphate (I), derived from diethyl phosphorocyanidate and methyl vinyl ketone in the presence of lithium cyanamide, reacts with the organocopper compounds (II) to yield the γ‐coupling products (IIIa).
ChemInform Abstract: Asymmetric Halogenation of Chiral Imide Enolates. A General Approach to the Synthesis of Enantiomerically Pure α‐Amino Acids.
Authors: EVANS D. A. , ELLMAN J. A. , DOROW R. L. 
Published: May 2016

AbstractThe N‐acyloxazolidones (III), prepared from the acids (I) and the optically active oxazolidinone (II), are converted to the enolates (V).
ChemInform Abstract: A Total Synthesis of Polyether Antibiotic (‐)‐A23187 (Calcimycin).
Authors: NEGRI D. P. , KISHI Y. 
Published: May 2016

AbstractThe key step in the synthesis of the polyether antibiotic calcimycin is the stereospecific cyclization of the hydroxy ketone (III), yielding the spiro‐acetal (IV).
ChemInform Abstract: Single Step Introduction of Terminal 1,3‐Butadienyl Group. A Short Synthesis of the Pheromone (IV) of Redbollworm Moth.
Authors: KOZIMA S. , ISHII T. , TSUBOI T. , KAWANISI M. , MIZUNO M. , HITOMI T. 
Published: May 2016

AbstractAddition of the Grignard reagent (II) to carbonyl compounds gives alcohols which have a 1,3‐butadienyl group.
ChemInform Abstract: Characterization of the Oxidation States of Iron by Spectrometric Methods. Part 1. Spinel Oxides with One Sublattice of Mixed Valence.
Authors: HANNOYER B. , LENGLET M. , TELLIER J. C. 
Published: May 2016

AbstractIron spinels in which mixed valence is observed on A or B sites have been investigated by means of X‐ray spectrometry and optical spectroscopy (for Fe02+.47Fe03+.47Cr13+.88□0.18O4 and Fe12+‐xNi2+ xCr23+‐xFe3+ xO4; mixed valence on A sites).
ChemInform Abstract: Characterization of the Oxidation States of Iron by Spectrometric Methods. Part 2. Spinel Oxides with Two Sublattices of Mixed Valence.
Authors: LENGLET M. , ARSENE J. , JEANNOT F. 
Published: May 2016

AbstractThe X‐ray and optical spectra of FeM2O4, FeM2‐xFexO4 (M: Al, Cr; 0 < x ≦ 1), and Fe2MoO4 are recorded and analyzed.
ChemInform Abstract: New Pathway to Triammine Complexes of Chromium(III): Crystal Structure of 1‐Chloro‐2,3‐diaqua‐4,5,6‐triamminechromium(III) Chloride.
Authors: PONS J. , CASABO J. , SOLANS X. , FONT ALTABA M. 
Published: May 2016

AbstractThe title compound has been obtained by a simple HCl treatment of cis‐(Cr(NH3)4(H2O)2)(ClO4)3.
ChemInform Abstract: Influence of Seed Crystals on the Formation of Calcium Silicates with the Composition 3 CaO·2 SiO2.
Authors: STADE H. 
Published: May 2016

AbstractIt is shown that the presence of seed crystals facilitates or enables the formation of kilchoanite (Ca6((SiO4)(Si3O10))) and rankinite (Ca3Si2O7), respectively.
ChemInform Abstract: Covalent Electrophilic Catalysis of the Breakdown of Hyponitrite to Nitrous Oxide by Aldehydes, Ketones, and Carbon Dioxide.
Authors: LOECHLER E. L. , SCHNEIDER A. M. , SCHWARTZ D. B. , HOLLOCHER T. C. 
Published: May 2016

AbstractThe breakdown of the trans‐hyponitrite monoanion (HN2O2‐) into N2O is catalyzed by aldehydes and ketones and that of the trans‐dianion is catalyzed by CO2.
ChemInform Abstract: Influence of Citric Acid on the Hydration of Tricalcium Silicate (Ca3SiO5).
Authors: STADELMANN C. 
Published: May 2016

AbstractThe reasons of the strong retarding effect of citric acid on the Ca3SiO5 hydration are shown to be the formation of a silica gel‐like coating on the silicate surface and the inhibition of the Ca(OH)2 crystallization.