bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis, Characterization, Reactivity, and X‐Ray Structure of cis‐Carbonylchlorobis(1‐methyl‐3‐(pyridin‐2‐yl)‐1,2,4‐triazole‐N4N′)ruthenium Hexafluorophosphate.
Authors: FORSTER R. J. , BOYLE A. , VOS J. G. , HAGE R. , DIJKHUIS A. H. J. , DE GRAAFF R. A. G. , HAASNOOT J. G. , PRINS R. , REEDIJK J.
Published: May 2016

The reaction of RuCl3 with the pyridyltriazole ligand (DMF, reflux) gives a mixture of coordination isomers (85% yield) from which the isomer (I) ( P21/n, Z=4) is obtained by crystallization techniques.
ChemInform Abstract: Reactions of Transition‐Metal σ‐Acetylide Complexes. Part 14. Cyclobutenyl, Butadienyl, and Allyl Complexes of Ruthenium Derived from 1,1‐Dicyano‐2,2‐bis(trifluoromethyl)ethene. X‐Ray Structures of Cyclic Ru(C=CPhC(CF3)2C(CN)2)(CO)(PPh3)(η‐C5H5), Ru(C(=C(CN)2)CX=C(CF3)2)(CO)(PPh3)(η‐C5H5) (X: Me, Ph), and Ru(η3‐C(CF3)2CPhC=C(CN)2)(PPh3)(η‐C5H5).
Authors: BRUCE M. I. , HAMBLEY T. W. , LIDDELL M. J. , SNOW M. R. , SWINCER A. G. , TIEKINK E. R. T.
Published: May 2016

The title ethene (II) reacts with the acetylide‐Ru complexes (I) to give the σ‐cyclobutenyl complexes (III) ((IIId): space group P212121, Z=4).
ChemInform Abstract: Novel Basic Ligands for the Homogenous Catalytic Methanol Carbonylation. Part 24. Rhodium Complexes with (Ether‐Phosphane) Ligands of Different Basicity and Their Influence on the Methyl Migration.
Authors: LINDNER E. , NORZ H.
Published: May 2016

Starting from the Rh(I) dimer (I) the Rh(I) complexes (III), (V), (VII), and (VIII) with ether‐phosphane ligands are synthesized according to the scheme.
ChemInform Abstract: Preparation of Sulfur Ylide Complexes of Palladium by Phase‐Transfer Catalysis.
Authors: WU R. F. , LIN I. J. B. , LEE G. H. , CHENG M. C. , WANG Y.
Published: May 2016

The sulfur ylide Pd complexes (IV) (space group P21/n, Z=4) and (V) (yields 50‐80%; (Va): P212121, Z=4) are prepared under basic phase‐transfer catalysis.
ChemInform Abstract: Synthetic Routes to Methylpalladium(II) and Dimethylpalladium(II) Chemistry and the Synthesis of New Nitrogen Donor Ligand Systems.
Authors: BYERS P. K. , CANTY A. J.
Published: May 2016

The reactions demonstrated in the scheme giving the dimethyl‐Pd complexes (III) and (VII) and the iodomethyl‐Pd complexes (IX) and (XIV) are examples for the convenient and widely applicable synthetic routes to complexes of the type PdMe2L2 and PdXMeL2 (X: I, Cl, Br; L2: bidentate N donor ligands such as bipyridyl, phenanthroline or heterocycles (XV)‐(XX)).
ChemInform Abstract: Coordination Chemistry of Higher Oxidation States. Part 32. Synthetic, Spectroscopic, and Electrochemical Studies of Some trans‐(OsL2X4)‐(OsL2X4)‐ Systems (L: PR3, AsR3, SbR3, SeMe2, or pyridine; X: Cl or Br). Crystal Structure of (PPh4)(Os(PEt3)2Cl4).
Authors: CIPRIANO R. A. , LEVASON W. , MOULD R. A. S. , PLETCHER D. , WEBSTER M.
Published: May 2016

The trans‐Os(IV) complexes (IV) are prepared by the three methods demonstrated in the scheme for the examples (IVa) (similarly (IVb)), (IVc) ((IVd) and (IVe)), and (IVf) ((IVg)).
ChemInform Abstract: Facile Aerial Oxidation of Unsymmetrical meso‐Tetraaryl Porphyrins with 3,5‐Di‐t‐butyl‐4‐hydroxyphenyl (DtB4HP) and 4‐Nitrophenyl (4‐NP) Substituents.
Authors: MILGROM L. R. , MOFIDI N. , HARRIMAN A.
Published: May 2016

The title porphyrins (IVa)‐(IVd) are synthesized using the mixed Rothemund reaction as previously described.
ChemInform Abstract: Synthetic Studies on Biologically Active Natural Compounds. Part 2. Correlation of Cinnamodial with Uvidin A and Stereospecific Transformation into (‐)‐Pereniporin A.
Authors: GARLASCHELLI L. , MELLERIO G. , VIDARI G.
Published: May 2016

The selective reduction of the aldehyde groups in (‐)‐cinnamodial (I) is investigated in order to obtain a sample of the triol (V) which is needed for comparative studies.
ChemInform Abstract: Synthesis of (.+‐.)‐Pisiferin, (.+‐.)‐Pisiferol, and Related Compounds by Intramolecular (4 + 2) Cycloaddition.
Authors: KAMETANI T. , KONDOH H. , TSUBUKI M. , HONDA T.
Published: May 2016

The preparation of the methyl ether (VIIa) constitutes a formal synthesis of pisiferol (VIIIa), pisiferic acid (VIIIb) and methyl pisiferate (VIIIc).
ChemInform Abstract: A Concise Synthesis of the Pseudoguaianolide Skeleton.
Authors: DE ALMEIDA BARBOSA L.‐C. , MANN J.
Published: May 2016

A four‐step conversion of the 8‐oxabicyclo(3.2.1)octan‐3‐one skeleton (I) into the title skeleton (VII) is described.
ChemInform Abstract: Dienes as Chiral Templates. Part 2. Chiral Cyclopentadienes.
Authors: MATCHEVA K. , BECKMANN M. , SCHOMBURG D. , WINTERFELDT E.
Published: May 2016

The enantiomerically pure cyclopentadienes (III) and (R)‐(XVII), prepared from the estrone derivatives (I) or the ketone (R)‐(XIV), undergo stereoselectively and regioselectively high pressure cycloaddition with nonsymmetric dienophiles such as (IV), (VI), or (VIII).
ChemInform Abstract: Synthesis and Conformational Analysis of the Slime‐Mould Acrasin Glorin.
Authors: BALL J. B. , CRAIK D. J. , ALEWOOD P. F. , MORRISON S. , ANDREWS P. R. , NICHOLLS I. A.
Published: May 2016

In order to study the role of glorin (III) as neurotransmitter or hormone in vertebrates the title compound is prepared starting from L‐ornithine hydrochloride and L‐glutamic acid benzyl ester and their derivatives (II) and (I), respectively.
ChemInform Abstract: A Convenient Method for the Synthesis of L‐3′‐Amino‐2′,3′‐dideoxyuridines.
Authors: WENGEL J. , LAU J. , PEDERSEN E. B.
Published: May 2016

3,4‐Di‐O‐acetyl‐L‐arabinal (I) is converted to the 3‐phthalimidofuranose derivative (V) via the unsaturated aldehyde (II).
ChemInform Abstract: Synthesis of Cerebroside B1b with Antiulcerogenic Activity. Part 2. Total Synthesis and Determination of Absolute Configuration of Cerebroside B1b and Its Stereoisomers.
Authors: KODATO S. , NAKAGAWA M. , HINO T.
Published: May 2016

Coupling of the four ceramides (I) and (II) (preparation see preceding paper) with the pyranoside (III) according to conditions A) affords the corresponding cerebrosides.
ChemInform Abstract: Synthetic Microbial Chemistry. Part 23. Synthesis of Optically Active Virginiae Butanolides A, B, C, and D and Other Autoregulators from Streptomycetes.
Authors: MORI K. , CHIBA N.
Published: May 2016

The diols (VIII)‐(XII) are prepared as is shown for the diols (VI) and (VII), starting with the alkylation of the lactone (III) with the corresponding acid chlorides.
ChemInform Abstract: Oxime Esters as Novel Irreversible Acyl Transfer Agents for Lipase Catalysis of Organic Media.
Authors: GHORGARE A. , KUMAR G. S.
Published: May 2016

Porcine pancreatic lipase (PPL) shows catalytic activity in the transesterification of the vinyl acetate (Ib) or the oxime ester (Ic) with cyclohexanol (II), producing cyclohexyl acetate (III).
ChemInform Abstract: Rare‐Earth Aluminosilicate Glasses.
Authors: SHELBY J. E. , KOHLI J. T.
Published: May 2016

Rare‐earth aluminosilicate glasses of the general formula 20 Ln2O3·20 Al2O3·60 SiO2 (Ln: Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, and Yb) are prepared as well as two series of mixed rare‐earth glasses containing Nd/Er and Nd/Y, respectively.
ChemInform Abstract: Processing and Properties of Cellular Silica Synthesized by Foaming Sol‐Gels.
Authors: FUJIU T. , MESSING G. L. , HUEBNER W.
Published: May 2016

A novel process for fabricating lightweight, cellular ceramics from sol‐gel systems is developed.
ChemInform Abstract: Thermodynamic Properties of High‐Temperature Superconductors
Authors: LAZAREV V. B. , GAVRICHEV K. S. , GORBUNOV V. E. , GRINBERG YA. KH. , SLUTSKII P. Z.
Published: May 2016

Review: (survey of the thermodynamic properties of high‐temp.
ChemInform Abstract: UV Absorption Cross Sections of Cl2O2 Between 210 and 410 nm.
Authors: BURKHOLDER J. B. , ORLANDO J. J. , HOWARD C. J.
Published: May 2016

The transient Cl2O2 molecule is produced by the gas‐phase reaction ClO + ClO + M → Cl2O2 + M (M: He) using three independent ClO radical source reactions.
ChemInform Abstract: Iodine Sorption Complexes of Partially Cobalt(II) Exchanged Zeolite A. Two Crystal Structures of Co3.5Na5Si12Al12O48·2.5 I2 and Co3.5Na5Si12Al12O48·5.0 I2.
Authors: KIM Y. , LEE S. H. , SEFF K.
Published: May 2016

Dehydrated, partially Co(II)‐exchanged zeolite A, Co3.5Na5‐A, absorbs 2.5 I2 molecules per unit cell at 70 °C (I2 pressure ∼8.3 torr) and 5 I2 molecules at 80 °C (∼14.3 torr).
ChemInform Abstract: Reduction and Cluster Growth of Palladium in Zeolite Y Containing Transition Metal Ions. X‐Ray Absorption Studies.
Authors: MOLLER K. , BEIN T.
Published: May 2016

Samples of zeolite Y coexchanged with Pd2+ and Fe2+ or Co3+ are prepared and their behavior in O2 and H2 atmospheres at different temp. is studied by EXAFS (Pd‐ and Fe‐absorption edges).
ChemInform Abstract: A Low‐Temperature Study of the Magnetic Properties of the Molecular Cations O+ 2, Br+ 2, and I+ 2.
Authors: CADER M. S. R. , THOMPSON R. C. , AUBKE F.
Published: May 2016

The compound O2+(AsF6)‐ is found to obey the Curie‐Weiss law in the range 60‐2 K. Its magnetic moment varies from 1.63 μB at 80 K to 1.17 μB at 2 K and the presence of weak antiferromagnetic coupling is suggested.
ChemInform Abstract: Cells Containing Solvated Electron Lithium Negative Electrodes.
Authors: URIBE F. A. , SEMKOW K. W. , SAMMELLS A. F.
Published: May 2016

The novel solvated electron lithium electrode, developed in order to improve the electrochemical reversibility in lithium based nonaqueous cells, consists of lithium initially dissolved in liq.
ChemInform Abstract: The Thermal Decomposition of γ‐Irradiated Calcium Bromate
Authors: NAIR S. M. K. , JACOB P. D.
Published: May 2016

is studied by dynamic TG and shown to be enhanced compared to the decomposition of the unirradiated salt.
ChemInform Abstract: Isomorphous Substitution of Iron in the Framework of Zeolite ZSM‐23.
Authors: KUMAR R. , RATNASAMY P.
Published: May 2016

The synthesis, characterization, and catalytical activity of a crystalline ferrisilicate having the framework structure of ZSM‐23 zeolite (a medium pore, high silica zeolite) is reported.
ChemInform Abstract: Ruthenium‐Tin Boride Catalysts. Part. 1. Characterization.
Authors: DESHPANDE V. M. , PATTERSON W. R. , NARASIMHAN C. S.
Published: May 2016

A new mixed metal boride system Ru‐Sn‐B, which shows catalytic properties for the reduction of α,β‐unsaturated aldehydes to unsaturated alcohols and fatty acid esters to fatty alcohols in high yields, is prepared by reducing Ru and Sn salts with NaBH4.
ChemInform Abstract: Direct Chirality Determination of Secondary Carbinol by Chirality Recognition Ability of C2 Symmetry 1,1′‐Binaphthyl‐2,2′‐diyl Phosphoryl Chloride.
Authors: KATO N.
Published: May 2016

The chirality of a sec. carbinol atom can, directly and highly sensitively, be decided by derivation into a C‐2 symmetry 1,1'‐binaphthyl‐2,2'‐diyl phosphate.
ChemInform Abstract: A Novel Nitrone Cycloaddition/Rearrangement.
Authors: TODER B. H. , MULLEN G. B. , GEORGIEV V. ST.
Published: May 2016

According to the final products formed, the reaction between nitrone (I) and aldehydes (II) is suggested to give cycloadducts (III) which instantaneously rearrange to give adamantanone (IV) and (Z)‐aldonitrones (V).
ChemInform Abstract: Stereochemistry of the Diels‐Alder Reaction of Butadiene with Cyclopropene.
Authors: BALDWIN J. E. , REDDY V. P.
Published: May 2016

Diels‐Alder reaction of butadiene (Ia) or the deuterium‐labelled analogues (Ib) and (Ic) with cyclopropene (II) yields the corresponding bicycloheptenes (III).
ChemInform Abstract: Intramolecular Diels‐Alder Reaction of 3‐(1H‐Indol‐3‐yl)‐2‐propenoates: Synthesis of Fused Indole Compounds.
Authors: SHIMOJI Y. , SAITO F. , SATO S. , TOMITA K. , MORISAWA Y.
Published: May 2016

N‐Acylation of the indoles (I) with the acid chlorides (II) yields the carboxamides (III) which undergo intramolecular cycloaddition to produce the polycyclic carboxamides (IV) ‐ (VI) or (VII) and (VIII).
ChemInform Abstract: Spiro‐Fused 2,5‐Cyclohexadienones from the Thermal 1,3‐Alkyl Migrations of Quinol Vinyl Ethers. A Strategy for Conversion of a Carbonyl Carbon to a Quaternary Carbon.
Authors: WANG S. , MORROW G. W. , SWENTON J. S.
Published: May 2016

The 2‐bromoacetophenone acetal (I) is converted to the 2‐lithio derivative and then coupled with the p‐benzoquinone monoacetal (II), yielding the spiro‐fused methylenisobenzofuran (IV) after release of methanol.
ChemInform Abstract: A Convenient Synthesis of Spiro(4.n)dione and 2,2‐Disubstituted Cyclopentane‐1,3‐dione System.
Authors: PANDEY B. , KHIRE U. R. , AYYANGAR N. R.
Published: May 2016

Treatment of the 1,3‐dioxolanes (I), derived from aldehydes or ketones, with three equivalents of the 1,2‐disiloxycyclobutene (II) in the presence of 10 to 15 equivalents boron trifluoride etherate produces the cyclopentane‐1,3‐diones (III).
ChemInform Abstract: Synthesis and Dynamic Behavior of (1,5)Cyclooctatetraenophanes. Effect of Distal Atom Bridging on Racemization Rates and Electrochemical Reducibility.
Authors: PAQUETTE L. A. , TROVA M. P. , LUO J. , CLOUGH A. E. , ANDERSON L. B.
Published: May 2016

The title compounds (X) are synthesized by the reaction sequence shown in the scheme starting from the diketones (I).
ChemInform Abstract: Effect of Lithium Complexation by 12‐Crown‐4 on the Regioselectivity of the Attack of gem‐Dichloroallyl‐Lithium on Some Carbonyl Compounds.
Authors: ANGELETTI E. , BAIMA R. , CANEPA C. , DEGANI I. , TONACHINI G. , VENTURELLO P.
Published: May 2016

Aldehydes such as (IIa)‐(IIc) preferentially attack the γ‐position of the gem‐dichloro allyl anion generated from (I) (→ (IV)), but show a significantly increased α‐selectivity (→ (III)) if 12‐crown‐4 is present.
ChemInform Abstract: Propargyl and Allyl Grignard and Zinc Reagents. Regioselective Alkylation and Its Application to the Synthesis of PGE3 and F3α Methyl Ester.
Authors: YANAGISAWA A. , HABAUE S. , YAMAMOTO H.
Published: May 2016

The reaction of acylsilanes such as (Ib) with propargylorganometallics such as the zinc bromide (II) yields regioselectively the homopropargylic alcohols (III).
ChemInform Abstract: Regioselective Reaction of Singlet Oxygen with cis‐Alkenes.
Authors: ORFANOPOULOS M. , STRATAKIS M. , ELEMES Y.
Published: May 2016

The cis‐alkenes (I) are treated with singlet oxygen to give the regioisomeric hydroperoxides (II) and (III).
ChemInform Abstract: Practical Synthesis of Optically Active 6,6′‐Dichloro‐2,2′‐diphenic Acid and Its Dimethyl Ester.
Authors: SAEKI S. , OKA T. , HAYAKAWA T. , SAKAI K.
Published: May 2016

The title compounds (III) and (V) are synthesized via deamination/dimerization of the anthranilic acid (II).
ChemInform Abstract: Sulfur‐Assisted Synthesis of Functionalized Carbazoles.
Authors: MURASE M. , HOSAKA T. , KOIKE T. , TOBINAGA S.
Published: May 2016

Alkylation of the sodium salt of 3‐(thioacetyl)indole (I) with the cinnamyl bromide (II) produces the unstable 3‐vinylindole (III) which undergoes thio‐Claisen rearrangement upon heating to give the compound (IV).
ChemInform Abstract: Triethylamine‐Mediated Generation of a Synthetic Equivalent of Parent Azomethine Imine by Condensation of Ethyl 3‐Benzylcarbazate with Paraformaldehyde.
Authors: KANEMASA S. , TOMOSHIGE N. , WADA E. , TSUGE O.
Published: May 2016

A synthetic equivalent of parent azomethine imine (IV) is accessible by simple refluxing of the carbazate (I) with paraformaldehyde (II) in toluene in the presence of Et3N, which efficiently suppresses the undesired function of imine dimers.
ChemInform Abstract: Sequential Chirality Transfer in Intramolecular Amidomercuration Reactions.
Authors: HARDING K. E. , HOLLINGSWORTH D. R. , REIBENSPIES J.
Published: May 2016

The carbamates (I) are coupled with chloral (II) to form the carbinols (III) which are converted to the allyl ethers (V) via the corresponding chlorides.
ChemInform Abstract: A Simple One‐Step Synthesis of Substituted Methyl 2‐Benzoylamino‐3‐arylaminopropenoates, Intermediates in the Preparation of Substituted Arylaminoalanines.
Authors: STANOVNIK B. , URBANIJA M. , SVETE J. , TISLER M.
Published: May 2016

The arylaminopropenoates (III) are prepared by reaction of the dimethylaminopropenoates (II) with the amines (I).
ChemInform Abstract: Heterocycles from Nitrile Oxides. Part 5. 4‐Amino‐δ2‐1,2,4‐oxadiazolines.
Authors: EL‐ABADELAH M. M. , HUSSEIN A. Q. , AWADALLAH A. M.
Published: May 2016

Base‐catalyzed cyclization reaction of the aromatic hydroximoyl chlorides (I) with the hydrazones (II) yields the aminooxadiazolines (III).
ChemInform Abstract: Cycloadditions. Part 41. Conversion of Unsaturated Alcohols into Functionalized Tetrahydrofurans and Tetrahydropyrans via Nitrile Oxide Dipolar Cycloadditions.
Authors: HASSNER A. , MURTHY K. S. K. , PADWA A. , CHIACCHIO U. , DEAN D. C. , SCHOFFSTALL A. M.
Published: May 2016

Reaction of 2‐bromo‐O‐(trimethylsilyl)oximes such as (I) with allylic or homoallylic alcohols (II) furnishes the oximes (III).
ChemInform Abstract: Selective Benzylation of Alcohols and Amines Under Mild Conditions.
Authors: LIOTTA L. J. , GANEM B.
Published: May 2016

The title reaction is performed using phenyldiazomethane (II) in the presence of fluoboric acid.
ChemInform Abstract: Studies on Proton Pump Inhibitors. Part 2. Synthesis and Antiulcer Activity of 8‐((2‐Benzimidazolyl)sulfinylmethyl)‐1,2,3,4‐tetrahydroquinolines and Related Compounds.
Authors: UCHIDA M. , CHIHIRO M. , MORITA S. , KANBE T. , YAMASHITA H. , YAMASAKI K. , YABUUCHI Y. , NAKAGAWA K.
Published: May 2016

Bromination of the 8‐methylquinolines (I) produces the 8‐bromomethyl derivatives (II) which are converted to the acetates (IV) by treatment with sodium acetate (III).
ChemInform Abstract: Trifluoroacetimidoyl Chloride as a New Trifluoromethyl Building Block for Fluorinated Nitrogen Heterocycles.
Authors: UNEYAMA K. , MORIMOTO O. , YAMASHITA F.
Published: May 2016

The imidoyl chloride (I) is alkylated with the Grignard compounds (II) to give the imines (III).
ChemInform Abstract: Heteroaryl‐Stabilized Azinium Ylides. 1,3,4‐Thiadiazole as Stabilizing Group.
Authors: CARCELLER R. , GARCIA‐NAVIO J. L. , IZQUIERDO M. L. , ALVAREZ‐BUILLA J. , SANZ‐APARICIO J. , FLORENCIO F.
Published: May 2016

The N‐(thiadiazolylmethyl)pyridinium iodides (I) undergo coupling reaction with the aromatic acid chlorides (II), carbon disulfide (IV)/methyl iodide (V), and the dinitrophenyl halides (XI) to produce the enolates (III), the ylides (VI), the ketene dithioacetals (VII), or the ylide (XII).
ChemInform Abstract: Synthesis of New s‐Triazolo(4,3‐b)pyridazines.
Authors: EL MASSRY A. M. , AMER A.
Published: May 2016

Base‐catalyzed reaction of phenylpyruvic acid (I) with acetophenone (II) yields the keto acids (III) which are converted into the chloropyridazines (VI) by cyclization with hydrazine hydrate (IV) and subsequent chlorination with phosphoryl chloride.
ChemInform Abstract: Synthesis of 2‐Aroyliminopyrimido(3,2‐b)‐1,2,4‐thiadiazolines.
Authors: KAMALA K. , RAO P. J. , REDDY K. K.
Published: May 2016

Coupling of the 2‐aminopyrimidines (I) with the aroyl chlorides (II) in the presence of ammonium thiocyanate (III) produces the aroylthioureas (IV) which undergo cyclization upon heating in phosphorus pentachloride and phosphorus oxychloride, forming the thiadiazolopyrimidines (V).
ChemInform Abstract: Methylenation of N‐Acyl Heterocycles.
Authors: WATTANASIN S. , KATHAWALA F. G.
Published: May 2016

The N‐acetyl or N‐benzoylpyrrole derivatives (I) are treated with two equivalents of the Tebbe reagent in a toluene/tetrahydrofuran mixture to form the (fused) N‐alkenylpyrroles (III).
ChemInform Abstract: A Convenient Synthesis of trans‐2‐Alkyloctahydro‐2H‐1,4‐benzoxazin‐3‐ones.
Authors: GRUEVSKI M. , KIDRIC J. , KIKELJ D. , KRBAVCIC A. , PECAR S. , URLEB U.
Published: May 2016

Ring opening of cyclohexene oxide with azide gives the trans‐azidocyclohexanol (I) which is coupled with the α‐halocarboxylic acids (II) to yield the ethers (III).
ChemInform Abstract: Syntheses of Some Tricyclic Heterocycles from 5,6‐Diamino‐1,3‐dimethyluracil.
Authors: ITOH T. , TOMII Y. , NAITOH T. , YAMAMURA M. , ISHIKAWA I. , KAWAHARA N. , MIZUNO Y. , OGURA H.
Published: May 2016

Cyclization of the aminomercaptouracil (III), obtained from the diaminouracil (I) and hydrogen sulfide (II), with acetic anhydride (IV) leads to the formation of the thiazolo(5,4‐d)pyrimidinedione (V).
ChemInform Abstract: Synthesis and Four Isomers of 5‐Arylamino‐3‐isopropyl‐6‐methyl‐6‐phenyl‐1,2,4‐trioxanes.
Authors: YAMAMOTO H. , NISHIO T. , HIRAYAMA M. , AKUTAGAWA M. , KASHIMA C.
Published: May 2016

The crude anils (IIIa) and (IIIb) autoxidize in the presence of isobutyraldehyde (IV) to give mixtures of trioxanes from which crystalline isomers (Va) or anomers (VIb) are isolated which anomerize in CDCl3; starting from xylidine and mesitylamine (Ic), only isomers (Vc) are formed.
ChemInform Abstract: Reaction of Perfluoro(2‐methyl‐2‐pentene) with 2‐Mercaptoethanol.
Authors: BUTSUGAN H. , SHIMIZU H. , NAKAYAMA N. , NEMOTO F.
Published: May 2016

The reaction mentioned in the title is performed under various conditions.
ChemInform Abstract: 2‐(Dialkylphosphonomethyl)‐1,3‐butadienes.
Authors: BELYKH O. A. , KOTEL'NIKOVA L. V. , DOGADINA A. V. , IONIN B. I.
Published: May 2016

The title compounds (II) are obtained from the 4‐chloro‐2‐alkenylphosphonates (I) upon treatment with a low‐basic nucleophile such as potassium iodide.
ChemInform Abstract: Migration of a Dithiophosphate Group and of a Proton in the 2‐Azaallyl Triade.
Authors: ONYS'KO P. P. , SUVALOVA E. A. , CHUDAKOVA T. I. , KIM T. V. , KISELEVA E. I. , SINITSA A. D.
Published: May 2016

Heating of the benzylideneaminoethyl dithiophosphate (III) with triethylamine gives the imidoyl dithiophosphate (V) which forms an equilibrium with the N‐phosphorylated thioamide (VI).
ChemInform Abstract: 5‐Diethoxyphosphoryloxy‐2‐hexenedioic Acid Esters.
Authors: BURANGULOVA R. N. , TRISHIN YU. G. , KONOVALOVA I. V. , BURNAEVA L. A. , CHISTOKLETOV V. N. , PUDOVIK A. N.
Published: May 2016

The alkenylphosphonites (I) react with the pyruvate (II) to give the title compounds (III).
ChemInform Abstract: New (Diarylgermyl)lithiums.
Authors: CASTEL A. , RIVIERE P. , SATGE J. , KO H. Y.
Published: May 2016

The stability of the new compounds (III) depends on Ar and the solvent.
ChemInform Abstract: Synthesis and First X‐Ray Crystal Structure of a Bi(OR)3 Complex: Tris‐(2,6‐dimethylphenoxo)bismuth.
Authors: EVANS W. J. , HAIN J. H. JUN. , ZILLER J. W.
Published: May 2016

Bismuth trichloride (I) reacts with sodium tert‐butoxide (IIa) or the sodium phenoxide (IIb) in tetrahydrofuran to produce the trisalkoxide (IIIa) or trisphenoxide (IIIb).
ChemInform Abstract: Intramolecular Cyclization of Cationic η4‐Diene Complexes of Molybdenum: A New Synthesis of Tetrahydrofurans, Tetrahydropyrans, and Cyclopentanes.
Authors: BAXTER J. S. , GREEN M. , LEE T. V.
Published: May 2016

The dienyl ethers (I) react with the η5‐indenylmolybdenum tetrafluoroborate (II) to form the complexes (III) which undergo intramolecular cyclization upon treatment with bases or fluoride to produce the heterocyclic ethers (IV).
ChemInform Abstract: Synthesis and Characterization of a Stable Iron Methylene Complex. Methylene Activation by Electron Transfer Catalysis (ETC).
Authors: ROGER C. , LAPINE C.
Published: May 2016

The methoxymethyliron complex (I) reacts with tetrafluoroboric acid etherate (II) in ether to produce the iron methylene complex (III).
ChemInform Abstract: Synthesis of the Ethyl Oxalyl Tetracarbonyl Iron Anion ((CO)4FeCOCO2Et)‐, Its Methylation at the Metal into (CO)4Fe(Me)(COCO2Et) and Further Carbon‐Carbon Coupling into Ethyl Pyruvate.
Authors: SABO‐ETIENNE S. , LARSONNEUR A.‐M. , DES ABBAYES H.
Published: May 2016

Coupling of the iron carbonyl complex (I) with ethyl oxalyl chloride (II) and subsequent metathesis with bis(triphenylphosphoranylidene)ammonium chloride (IV) produce the salt (V) which is methylated with methyl triflate (VI) at a low temperature to yield the methyliron complex (VII).
ChemInform Abstract: Tripodal Polyphosphine Ligands in Homogeneous Catalysis. Part 1. Hydrogenation and Hydroformylation of Alkynes and Alkenes Assisted by Organorhodium Complexes with MeC(CH2PPh2)3.
Authors: BIANCHINI C. , MELI A. , PERUZZINI M. , VIZZA F. , FREDIANI P. , RAMIREZ J. A.
Published: May 2016

(III) (Pb21a, Z=4) is the starting compound to prepare a number of ethylene complexes of Rh containing hydride or σ‐organyl coligands.
ChemInform Abstract: Synthesis of (.+‐.)‐2‐Oxo‐seychellene and (.+‐.)‐2‐Oxo‐4‐epi‐seychellene.
Authors: SPITZNER D. , KLEIN I.
Published: May 2016

Compound (III), which is the key intermediate in the synthesis of 2‐oxo‐seychellene (XIa) and its epimer (XIb), is generated by aprotic Michael additions.
ChemInform Abstract: Cyclomanganation of Diterpenoids: Functionalization of C14.
Authors: CAMBIE R. C. , METZLER M. R. , RUTLEDGE P. S. , WOODGATE P. D.
Published: May 2016

Orthomanganated carbonyl derivatives of podocarpic acid such as (I) (and of dehydroabietic acid) form predominantly saturated adducts of type (III) when activated before.
ChemInform Abstract: Synthesis of the Griseusin A Ring System.
Authors: BRIMBLE M. A. , NAIRN M. R.
Published: May 2016

Key step in the synthesis of the pentacyclic spiroacetal (VIII) is the rearrangement of the furan (V) to the pyran (VI).
ChemInform Abstract: Synthesis, Reactivity Studies, and X‐Ray Crystal Structure of (11R)‐25‐O‐Deacetyl‐11‐deoxo‐11‐hydroxy‐21,23‐O‐isopropylidenerifamycin S (IIb).
Authors: BARTOLUCCI C. , CELLAI L. , CERRINI S. , LAMBA D. , SEGRE A. L. , BRIZZI V. , BRUFANI M.
Published: May 2016

From rifamycin S the protected derivative (Ia) is prepared, which is deacetylated, reduced and subsequently oxidized to yield the title compound (IIb) (space group P41212 with Z = 8).
ChemInform Abstract: Nematic Liquid Crystal Materials Containing Nickel(II) or Copper(II) Atoms. Two Different Kinds of Magnetic Behaviour.
Authors: MARCOS M. , ROMERO P. , SERRANO J.‐L.
Published: May 2016

The aldimines (V), prepared from the benzoic acid (I), react with the metal diacetates (VI) in ethanol to form the nickel(II) and copper(II) complexes (VII).
ChemInform Abstract: Na5InTe4 and Na5In2Te6 ‐ The First Examples of Neso‐ and Ditelluro‐Bridged Inotelluroindates.
Authors: EISENMANN B. , HOFMANN A. , ZAGLER R.
Published: May 2016

The nesoindate Na5InTe4 crystallizes in the orthorhombic space group Pbcn with Z = 8. The structure is characterized by isolated InTe45‐ tetrahedra.
ChemInform Abstract: Ba9Ir9‐xMnxO27 (x = 5.8) ‐ A New Compound of the Rhombohedral 9L‐Perovskite Stacking Variant.
Authors: LANG CH. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

Single crystals of the hitherto unknown title compound are prepared by air oxidation of a BaCO3‐MnCO3‐Ir mixture (3:2:1) in a BaCl2 melt (1000 °C, 3 d).
ChemInform Abstract: On Cs2Na(TiF6). Another Example of the 6‐Layer Structure.
Authors: BECKER ST. , HOPPE R.
Published: May 2016

Single crystals of the already known title compound are obtained for the first time by the redox reaction with the wall which is outlined in the scheme.
ChemInform Abstract: ESR Investigation of the Electronic Structure of Hopping Centers and the Polaronic Conduction in Iron‐Containing Phosphate Glasses.
Authors: NARDUCCI D. , LUCCA M. , MORAZZONI F. , SCOTTI R.
Published: May 2016

The ESR study of glasses of general composition xZnO·yP2O5·zFe2O3 shows the presence of two types of Fe(III) centers, the concentration of which depends on both total iron content and the matrix structure.
ChemInform Abstract: Electrical Characteristics of Amorphous and Crystalline Cr‐Ti, Nb‐Co, Nb‐Fe and Nb‐Ni Alloys.
Authors: GFELLER J. , BLATTER A. , KAMBLI U.
Published: May 2016

Thin films of the title alloys are prepared over a wide range of compositions (14‐80 at.% Nb for Nb‐Co; 25‐80% Nb for Nb‐Fe and Nb‐Ni; 40‐70% Ti for Cr‐Ti) by using the pulsed laser quenching technique and their electrical resistivities are studied as a function of temp. and composition.
ChemInform Abstract: Thermogravimetry and Neutron Thermodiffractometry Studies of the H‐YBa2Cu3O7 System
Authors: FRUCHART D. , SOUBEYROUX J. L. , TRAN QUI DUC TRAN QUI DUC , PIQUE C. , RILLO C. , LERA F. , ORERA V. , FLOKSTRA J. , BLANK D. H. A.
Published: May 2016

reveal two different types of hydrogen bonding.
ChemInform Abstract: Alkaline Medium: Influence of Additive Sulfide Ions
Authors: CHANSON C. , BLANCHARD P. , WATTIAUX A. , GRENIER J.‐C.
Published: May 2016

(K2S in 5 N KOH).
ChemInform Abstract: The Surface Properties and Reactivities of Plasma‐Nitrided Iron and Their Relation to Corrosion Passivation
Authors: COCKE D. L. , JURCIK‐RAJMAN M. , VEPREK S.
Published: May 2016

(XPS study).
ChemInform Abstract: Change of Oxidation Kinetics in the Zr‐Al System.
Authors: PALJEVIC M.
Published: May 2016

The oxidation of ZrAl2 at temp. in the range 883‐1038 K obeys a logarithmic rate law, while a parabolic rate law is observed for Zr3Al, Zr2Al, ZrAl, and Zr2Al3.
ChemInform Abstract: Synthesis, Characterization and Magnetic Properties of LnBO3 (Ln: Nd, Gd, Tb, Dy, Ho and Er).
Authors: LAUREIRO Y. , VEIGA M. L. , FERNANDEZ F. , SAEZ PUCHE R. , JEREZ A. , PICO C.
Published: May 2016

The title compounds are successfully prepared by a new method: mixing of Ln(OH)3 (Ln: Nd, Gd, Tb, Dy, Ho, and Er) and B(OH)3 in stoichiometric amounts at temp. between 873 and 973 K under a static vacuum of 10‐4‐10‐5 torr.
ChemInform Abstract: Reaction of (WCl5(NCl))‐ with Trimethylsilyl Azide. Crystal Structure of PPh3Me(WCl4(NCl)(N3)).
Authors: FENSKE D. , FRANKENAU A. , DEHNICKE K.
Published: May 2016

The chloronitreno complex salts (I) react with trimethylsilyl azide in CH2Cl2 solution by substitution of a Cl ligand to form the azido complexes (III).
ChemInform Abstract: Complex Formation in the System Rb2SO4‐UO2SO4‐H2O at 25 °C.
Authors: SEREZHKINA L. B. , SHIRINOVA A. G. , SEREZHKIN V. N.
Published: May 2016

The title system is investigated for the first time.
ChemInform Abstract: Equilibrium Acidities of 2‐Alkylthiazolium Cations at the C‐2α Position.
Authors: BORDWELL F. G. , SATISH A. V. , JORDAN F. , RIOS C. B. , CHUNG A. C.
Published: May 2016

The acid/base properties of the cation (Ia) and some related thiazolium cations such as (Ib) are investigated as models for the behavior of the thiamin (II).
ChemInform Abstract: Regioselectivity in Electrochemical Allylation of Carbonyl Compounds. A Synthesis of Egomaketone by Regioselective Allylation.
Authors: TOKUDA M. , SATOH S. , SUGINOME H.
Published: May 2016

Electrochemical allylation of acetone (II) and benzaldehyde (VII) with the allylic chlorides (I) and (VI) leads to the formation of the homoallylic alcohols (III) ‐ (V) or (VIII) ‐ (X).
ChemInform Abstract: Dramatic Changes in Diastereoselectivity with the Quantity of Titanium Tetrachloride Used in Lewis Acid‐Mediated Reactions of Allylsilane with α‐Amino Aldehydes.
Authors: KIYOOKA S. , NAKANO M. , SHIOTA F. , FUJIYAMA R.
Published: May 2016

TiCl4‐mediated reaction of the chiral α‐amino aldehydes (I) and (V) with allylsilane (II) leads to the formation of mixtures of the syn‐and anti‐amino alcohols (III) and (IV) or (VI) and (VII).
ChemInform Abstract: Stereoselectivity of Intramolecular Diels‐Alder Reactions of 1,7,9‐Decatrien‐3‐ones to Octalone Derivatives.
Authors: ZSCHIESCHE R. , FREY B. , GRIMM E. , REISSIG H.‐U.
Published: May 2016

Desilylation of the building blocks (III) generates the decatrienones (IV) which are isolable only in the case of (IVb) and (IVd).
ChemInform Abstract: The Regiochemistry of the (Ethoxycarbonyl)nitrene Addition Reaction to Siloxydienes.
Authors: LORETO M. A. , PELLACANI L. , TARDELLA P. A.
Published: May 2016

Ethoxycarbonylnitrene (II), generated from the N‐siloxy N‐silyl carbamate (I) either by thermolysis or photolysis, is trapped with the siloxy diene (III) to give the amino acid esters (VI) and (VII) or (VI), (VIII), and (IX) via the aziridines (IV) and (V).
ChemInform Abstract: Condensation of N‐(2‐Hydroxybenzyliden)‐2‐aminoethanol with Formaldehyde.
Authors: KUKHAREV B. F.
Published: May 2016

The reaction unexpectedly yields the tricyclic product (III).
ChemInform Abstract: Photoinduced Intramolecular Proton Transfer as the Mechanism of Ultraviolet Stabilizers: A Reappraisal.
Authors: CATALAN J. , FABERO F. , SOLEDAD GUIJARRO M. , CLARAMUNT R. M. , SANTA MARIA M. D. , FOCES‐FOCES C. , HERNANDEZ CANO F. , ELGUERO J. , SASTRE R.
Published: May 2016

A general mechanism is widely accepted to explain the photostability of an important class of UV absorbers (or light screeners) which have a phenolic group intramolecularly bonded to a heteroatom.
ChemInform Abstract: A Remarkable Alkane Protonolysis Reaction: Observation of Stoichiometric Hydrogen Formation.
Authors: MCMURRY J. E. , LECTKA T.
Published: May 2016

Since its discovery in 1967, the formation of carbocations by protonolysis according to R3C‐H + H+ → R3C+ + H2 is well‐known but the mechanism has remained a subject of controversy because a nonstoichiometric amount of H2 is usually produced.
ChemInform Abstract: Hydrogenation Catalyzed by Palladium or Rhodium Chlorides in the Presence of TDA‐1.
Authors: VILLEMIN D. , LETULLE M.
Published: May 2016

Various successful applications of the hydrogenation catalysts mentioned in the title are outlined in the reaction scheme.
ChemInform Abstract: Preparation of Acyclic Nitro Olefins from β‐Trimethylsiloxy Nitro Compounds.
Authors: LEE K. , OH D. Y.
Published: May 2016

The silyl nitronates (I), generated by a known procedure, are coupled with the aldehydes (II), forming the α‐nitroalkyl silyl ethers (III).
ChemInform Abstract: Deuterated Bicyclo(3.2.0)heptan‐2‐ones and Their NMR Spectra.
Authors: KIRMSE W. , SCHOEN S. , SIEGFRIED R.
Published: May 2016

The title compounds (I), (III), (VIII) and its (7,7‐D2)analogue (from (VII)) are prepared.
ChemInform Abstract: Ten‐Membered Ring Templates for Stereoselective Radical Cyclizations.
Authors: WINKLER J. D. , SRIDAR V. , SIEGEL M. G.
Published: May 2016

The (siloxymethyl)dodecadiene (I) is subjected to ozonolysis, producing the dialdehyde (II) which is reductively cyclized to form the trans‐ (III) and cis‐cyclodecenes (IV).
ChemInform Abstract: Fluorinated Benzaldehydes in the Reactions of Leuckart and Rodionov.
Authors: KOLYCHEVA M. T. , GERUS I. I. , KUKHAR' V. P.
Published: May 2016

Benzylamines are known to act as inhibitors of N‐methyltransferase.
ChemInform Abstract: Electron Transfer Reactions of Aliphatic Esters to the Corresponding Aliphatic Ketones by Lithium 4,4′‐Di‐tert‐butylbiphenyl Radical Anion.
Authors: KARAMAN R. , FRY J. L.
Published: May 2016

The esters (I) react with lithium 4,4'‐di‐tert‐butylbiphenyl radical anion, generated in situ from the biphenyl using excess lithium, to give the symmetrical ketones (II).
ChemInform Abstract: Interaction of Nitromethane with Esters and Amides of 2‐Oxo‐2H‐1‐benzopyran‐3‐carboxylic Acid.
Authors: BOJILOVA A. , KOSTADINOVA T. , IVANOV C.
Published: May 2016

The oxobenzopyrancarboxylic acid esters (I) and the related amides (V) are cleaved upon reaction with nitromethane (II) and potassium fluoride (or cesium fluoride) in the alcohols (III) to form mixtures of the diastereomeric 2‐(o‐hydroxyphenyl)‐3‐nitropropylmalonates (IV) or the corresponding diastereomeric monoamides (VI) and (VII).
ChemInform Abstract: Synthesis of β‐Fluoroalkyl‐α,β‐aziridine Ketones.
Authors: FILYAKOVA V. I. , PASHKEVICH K. I.
Published: May 2016

The novel title compounds (II) are prepared from the N‐unsubstituted β‐amino ketones (I) according to a known procedure.
ChemInform Abstract: Synthesis of Chiral Heterocyclic Ketene N,O‐Acetals.
Authors: HUANG Z.‐T. , ZHANG P.‐C.
Published: May 2016

The (het)aryl methyl ketones (Ia) and (Ib) and ethyl cyanoacetate (Ic) are converted to the ketene dithioacetals (IV) by a known procedure.
ChemInform Abstract: Synthesis of Amides of 3‐Hydroxy‐2‐naphthoic Acid: Derivatives of Benzimidazolone and Benzoxazolone.
Authors: KRASKA J. , BORUSZCZAK Z.
Published: May 2016

The aminobenzazoles (VI), prepared by a known procedure, are acylated with 3‐hydroxy‐2‐naphthoic acid chloride (VIII) in acetic acid to form the amides (IX) mentioned in the title.
ChemInform Abstract: 4‐Phenyl‐ and 4‐Heteroaryl‐4‐anilidopiperidines. A Novel Class of Analgesic and Anesthetic Agents.
Authors: KUDZMA L. V. , SEVERNAK S. A. , BENVENGA M. J. , EZELL E. F. , OSSIPOV M. H. , KNIGHT V. V. , RUDO F. G. , SPENCER H. K. , SPAULDING T. C.
Published: May 2016

The anilinopiperidines (IV), prepared as outlined in the reaction scheme, are coupled with the acid chloride (VII) to give the amides (VIII).
ChemInform Abstract: Novel Synthesis of Piperidinecarboxamides via Aryl Isocyanate Acylation of α‐Amino Carbanions.
Authors: D'AMBRA T. E. , BELL M. R.
Published: May 2016

Condensation reaction of 4‐phenyl‐1,2,5,6‐tetrahydropyridine (I) with the formamidine (II) gives the compound (III) which is consecutively treated with BuLi and the isocyanates (IV) to form the carboxamides (V).
ChemInform Abstract: Studies on the Synthesis of Fused Heterocycles from o‐Aminocarbonyl Compounds.
Authors: FERNANDEZ M. , LOPEZ F. , TAPIA R. , VALDERRAMA J. A.
Published: May 2016

The o‐formyl (IIa) or o‐acetyldimethoxyanilines (IIb) are prepared by either reduction of the nitrobenzenes (I) or O‐methylation and hydrogenolysis of the azidohydroquinone (III).
ChemInform Abstract: Substitution Reactions with Participation of Organo‐Aluminum Compounds. Part 8. Novel Variant of the Synthesis of 2‐Acyl‐1,3‐dithianes.
Authors: TOLSTIKOV G. A. , SPIVAK A. YU. , KRESTELEVA I. V. , VYRYPAEV E. M.
Published: May 2016

The 2‐alumo‐1,3‐dithianes (I) and (V) are generated in situ from 2‐lithio‐1,3‐dithiane and the corresponding organo‐aluminum reagents.
ChemInform Abstract: Studies on Pyrimidine Derivatives. Part 42. Reactivity of the 4‐Methyl Group of 2,4‐Dimethylthieno(2,3‐d)pyrimidine.
Authors: KONNO S. , WATANABE R. , YAMANAKA H.
Published: May 2016

Reaction of the dimethylthienopyrimidine (I) with benzaldehyde (II) or propyl nitrite (IV) forms the β‐styryl derivative (III) or the oxime (V).
ChemInform Abstract: Reactions of Aminoquinones. Part 7. 5‐Arylaminodibenzo(a,i)phenazines.
Authors: KALLMAYER H.‐J. , STASS C.
Published: May 2016

2,3‐Naphthylenediamine (I) undergoes cyclocondensation with the 1,2‐naphthoquinones (II) in hot methanol, forming the arylaminodibenzophenazines (III).
ChemInform Abstract: Inhibition of 5‐Lipoxygenase by Substituted 3,4‐Dihydro‐2H‐1,4‐thiazines.
Authors: WEINTRAUB P. M. , SKOOG M. T. , NICHOLS J. S. , WISEMAN J. S. , HUBER E. W. , BAUGH L. E. , FARRELL A. M.
Published: May 2016

Cyclocondensation of the α‐chlorophenylacetyl chloride (I) with the δ‐acetyl cysteamine (II) gives the lactam (III) which is N‐alkylated and subsequently reduced to produce the dihydrothiazines (VI), together with the tetrahydrothiazines (VII).
ChemInform Abstract: Heteroarenobenzodiazepines. Part 7. Synthesis and Pharmacological Evaluation of a Series of 4‐Piperazinylpyrazolo(3,4‐b)‐ and ‐(4,3‐b)(1,5)benzodiazepines as Potential Anxiolytics.
Authors: CHAKRABARTI J. K. , HOTTEN T. M. , PULLAR I. A. , TYE N. C.
Published: May 2016

The aminopyrazole (I) is alkylated with the alkyl bromides (II) and then coupled with the o‐chloronitrobenzenes (IV) to produce the anilines (V).
ChemInform Abstract: 1‐(Acyloxy)alkyl Isocyanates. Part 4. Reactions with o‐Aminophenols and o‐Aminothiophenols.
Authors: VOVK M. V. , DOROKHOV V. I. , SAMARAI L. I.
Published: May 2016

The reaction between the title compounds (I) and the aminophenols or aminothiophenols (II) proceeds smoothly to afford the novel‐type 1,3,5‐benzoxadiazepinones (IIIa) and (IIIc) or their thia analogues (IIIb) via an addition/elimination/intramolecular cyclization mechanism.
ChemInform Abstract: Macroheterocycles. Part 47. Aminomethylation of Carboxamides by N‐Methoxymethylaza‐15‐crown‐5 Ether.
Authors: LUK'YANENKO N. G. , PASTUSHOK V. N.
Published: May 2016

The title reaction proceeds smoothly to give the products (III) in high yields.
ChemInform Abstract: Boron‐Nitrogen Compounds. Part 123. Preparation and Reactions of Bis(aminoboryl) Oxides.
Authors: KOMOROWSKA M. , NIEDENZU K. , WEBER W.
Published: May 2016

The title compounds (III), prepared by controlled hydrolysis, rearrange at elevated temp. in an equilibrium reaction with formation of boroxins (IV) and boranes (V), a reaction which can also be used for the preparation of compounds of type (III).
ChemInform Abstract: An Uncomplexed 1,2,3‐Triborolane Derivative.
Authors: MELLER A. , BROMM D. , MARINGGELE W. , HEINE A. , STALKE D. , SHELDRICK G. M.
Published: May 2016

The compound (III), which crystallizes in the space group Pnma with Z=4 and incorporates the first C2B3 ring system without complexation, is obtained from the reaction of dicyclopentadiene (II) with the borane (I) upon treatment with sodium/potassium alloy.
ChemInform Abstract: Unusual Reaction of a Diazaphosphetidinethione with Trimethylsilyl Azide.
Authors: GRUBER M. , SCHMUTZLER R.
Published: May 2016

The diazaphosphetidinethione (III) does not react with trimethylsilyl azide (IV) to give the expected phosphane imine.
ChemInform Abstract: Generation and Trapping of the Diphenylhydrazido(2‐) Complex Cp2Zr(N2Ph2). Insertion of Internal Alkynes into a Metal‐Nitrogen Bond, Leading to 2,3‐Diazametallacyclopentenes.
Authors: WALSH P. J. , HOLLANDER F. J. , BERGMAN R. G.
Published: May 2016

The first M‐N bond insertion is observed in the generation of (II), which cannot be isolated, but can be trapped by coordination with various dative ligands.
ChemInform Abstract: Niobium Metallaboranes: A Novel Metallaborane Analogue of Pentaborane(11).
Authors: GREBENIK P. D. , LEACH J. B. , POUNDS J. M. , GREEN M. L. H. , MOUNTFORD P.
Published: May 2016

Treatment of (I) with pentaborane(9) (II) gives the novel arachno‐metallaboranes (III) and (IV) (space group C2/c, Z=16).
ChemInform Abstract: Chalcogen Derivatives of Cyclopentadienyl‐tricarbonylmanganese and ‐rhenium, ((OC)3MC5H4)2En (M: Mn, Re; E: S, Se, Te; n = 2, 1).
Authors: HERBERHOLD M. , BIERSACK M.
Published: May 2016

The lithio derivatives of the title compounds (I) react with one equiv. S8, Se, or Te to give chalcogenolate intermediates of the type LiE‐C5H4M(CO)3, which on air oxidation are transformed into the dichalcogenides (III).
ChemInform Abstract: Organic Syntheses via Transition Metal Complexes. Part 42. Allenes in Dinuclear Iron Carbonyl Complexes; Their Carbonylation and Coupling with Alkynes and Allenes; Fluxional “Ketene Windshield‐Wiper” Complexes.
Authors: AUMANN R. , MELCHERS H.‐D. , WEIDENHAUPT H.‐J.
Published: May 2016

On photochemically induced metalation with Fe(CO)5 (II) the allenes (I) give the binuclear acyl‐Fe complexes (IV), in which the central C atom of the allene unit is attached to a CO group, and/or their decarbonylation products, the π‐allyl,σ complexes (III).
ChemInform Abstract: Gold(I) Complexes of Primary Phosphanes: Pair Formation Through Au···Au Interactions.
Authors: SCHMIDBAUR H. , WEIDENHILLER G. , STEIGELMANN O. , MUELLER G. +
Published: May 2016

The stability of the complexes (III) depends markedly on the bulkiness of the ligands.
ChemInform Abstract: Molecular Hydrogen Complexes. Preparation and Reactivity of New Ruthenium(II) and Osmium(II) Derivatives and a Comparison Along the Iron Triad.
Authors: AMENDOLA P. , ANTONIUTTI S. , ALBERTIN G. , BORDIGNON E.
Published: May 2016

The Os compound (IIc) is very stable as a solid and in organic polar solvents, the stability of the Ru complexes (II) depends on the phosphite used.
ChemInform Abstract: Ring Opening and Oligomerization of Thiirane by Hexaosmium Carbonyl Cluster Complexes.
Authors: ADAMS R. D. , CHEN G. , SUN S. , WOLFE T. A.
Published: May 2016

The reaction of (I) with thiirane (II) leads to the known compound (III) and the new product (IV).
ChemInform Abstract: Synthesis and Reactivity of Ethyliridium Complexes. Reductive Elimination of C‐H and H‐H Bonds from an Ethyldihydridoiridium Complex.
Authors: DEUTSCH P. P. , EISENBERG R.
Published: May 2016

The unusual complex (III) reacts to give (IV) which is not stable in solution and slowly decomposes to yield (I).
ChemInform Abstract: Synthesis of Pyrimido(5,4‐d)pyrimidine Derivatives and Their Ultraviolet Absorption and Fluorescence Spectral Data.
Authors: NAKASHIMA K. , AKIYAMA S. , TSUKAMOTO Y. , IMAI K.
Published: May 2016

The tetra‐ (I) and trioxopyrimidopyrimidines (V) are chlorinated upon treatment with phosphorus oxychloride/phosphorus pentachloride, yielding the tetra‐ (II) or trichlorides (VI).
ChemInform Abstract: Synthesis and Properties of a 2‐Diazohistidine Derivative: A New Photoactivatable Aromatic Amino Acid Analogue.
Authors: JAGANATHEN A. , EHRET‐SABATIER L. , BOUCHET M.‐J. , GOELDNER M. P. , HIRTH C. G.
Published: May 2016

A strategy for the introduction of a photoactivatable amino acid, e.g. the 2‐diazohistidine derivative (IV), into a peptide is developed using the 2‐aminohistidine derivative (VII) for the synthesis of peptides such as (IX) and (XI).
ChemInform Abstract: Claisen Rearrangements of 5,6‐Dideoxy‐1,2‐O‐isopropylidene‐α‐D‐xylo‐ and α‐D‐ribo‐hept‐5‐eno‐1,4‐furanoses with Triethyl Orthoacetate.
Authors: TADANO K. , SHIMADA K. , MIYAKE A. , ISHIHARA J. , OGAWA S.
Published: May 2016

In the course of pursuit of versatile chirons, the E and Z isomers of the xylo‐ and ribo‐furanoses (I) and (V) are subjected to Claisen rearrangement with triethyl orthoacetate (II) to give in most cases 1:1 diastereomeric mixtures of the esters (III) and (IV) or (VII) and (VIII).
ChemInform Abstract: Application of Silylcupration to the Stereo‐ and Regiospecific Formation of Trisubstituted Alkenes. A Short Synthesis of Yellow Scale Pheromone.
Authors: MILLAR J. G.
Published: May 2016

The silylvinylcuprate (IV), generated from the acetylene (I), the silyllithium agent (II), and cuprous cyanide (III), is coupled with the bromoalkene (V) to yield the dienylsilane (VI).
ChemInform Abstract: Preparation and Occurrence of Gibberellins A75 and A76 and 3‐Epi‐A72.
Authors: CASTELLARO S. J. , MACMILLAN J. , SINGH A. K. , WILLIS C. L.
Published: May 2016

The title compounds (IVa) (GA75), (IVb) (GA76), and (Vb) (3‐epi‐GA72) are detected in extracts from mature seeds of Helianthus annuus.
ChemInform Abstract: The Sensing Mechanism in a Semiconducting Humidity Sensor with Pt Electrodes.
Authors: SHIMIZU Y. , SHIMABUKURO M. , ARAI H.
Published: May 2016

The effect of the firing temp. on the sensitivity of humidity sensors containing Sr0.95La0.005SnO3 supported on either Pt or RuO2 is studied.
ChemInform Abstract: Mesomorphous Properties of Aryl Esters of trans‐4‐Alkyl‐2‐methylcyclohexane‐1‐carboxylic Acids.
Authors: BEZBORODOV V. S.
Published: May 2016

In comparison to their 2‐demethyl analogues, the title compounds (III) form liquid‐crystal phases in a narrower interval of temperature.
ChemInform Abstract: β‐Lactam Antibiotic Chemistry
Authors: STACHULSKI A. V.
Published: May 2016

Review: (253 refs.
ChemInform Abstract: Three‐Membered Ring Systems
Authors: PADWA A. , CHINN R. L.
Published: May 2016

Review: (58 refs.
ChemInform Abstract: Characterization of Dibromine Monoxide (Br2O) by Bromine K‐Edge EXAFS and IR Spectroscopy.
Authors: LEVASON W. , OGDEN J. S. , SPICER M. D. , YOUNG N. A.
Published: May 2016

Dark brown Br2O is prepared by controlled decomposition of BrO2 generated by electric discharge of a gaseous Br2/O2 mixture.
ChemInform Abstract: Molecular PO2Br. Matrix IR Investigations and ab initio SCF Calculations.
Authors: SCHUNCK S. , GOECKE H.‐J. + , KOEPPE R. + , SCHNOECKEL H. +
Published: May 2016

The monomeric title compound is generated by photochemical reaction (Hg lamp) between OPBr (obtained from POBr3 and Ag at 800 K) and O3 in an argon matrix.
ChemInform Abstract: Growth and Doping of Single Crystals of the Semiconducting Solid Solutions CuAlxIn1‐xS2.
Authors: AKSENOV I. A. , MAKOVETSKAYA L. A. , POPEL'NYUK G. P.
Published: May 2016

The solid solutions specified in the title are prepared from the elements.
ChemInform Abstract: The Constitution of Pd‐Ce Alloys.
Authors: BRETSCHNEIDER T. , SCHALLER H.‐J.
Published: May 2016

During the course of a reinvestigation of the phase relations of Pd‐Ce alloys containing up to 25 at.% Ce using DTA, XRD, and dilatometry, the existence of two controversial intermetallic compounds is confirmed.