bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Cyclic Sulfonium Salts with S···O Interactions. Part 1. Molecular Structures with Five‐Membered Rings.
Authors: SZABO D. , KAPOVITS I. , KUCSMAN A. , FUELOEP V. + , CZUGLER M. , KALMAN A.
Published: May 2016

Chlorination of sulfides (I) and (IV) yields the sulfonium chlorides (II) (space group P21/c with Z=4) and (V) (P1 with Z=2) having no chlorosulfurane character.
ChemInform Abstract: Heterocyclic Systems Containing Bridgehead Nitrogen Atoms. Part 68. Reaction of 5‐Fluorobenzimidazole‐2‐thione with Chloroacetic Acid: Studies of Orientation of Cyclization in the Synthesis of 6‐Fluoro‐ and 7‐Fluorothiazolo(3,2‐a)benzimidazol‐3(2H)‐ones.
Authors: PUJARI H. K. , SHARMA B. R. , DAHIYA R. , KUMAR S.
Published: May 2016

Coupling of the benzimidazolethione (I) with chloroacetic acid (II) gives ((5‐fluoro‐2‐benzimidazolyl)thio)acetic acid (III) which forms the two isomers (IV) and (V) upon cyclization in acetic anhydride and pyridine.
ChemInform Abstract: Synthesis and Reactions of 5‐Acetyl‐2‐amino‐3‐cyano‐4‐(5‐X‐2‐furyl)‐6‐methyl‐4H‐pyrans.
Authors: MARCHALIN S. , ILAVSKY D. , KOVAC J. , BRUNCKO M.
Published: May 2016

Two methods are given for the preparation of the title compounds (III); the best yields are obtained by cyclization of 2,4‐pentanedione (I) with the dinitriles (II).
ChemInform Abstract: A Versatile Intermediate for the Synthesis of Pyranoquinone Antibiotics.
Authors: KRAUS G. A. , SHI J. , REYNOLDS D.
Published: May 2016

Diels‐Alder reaction of the acetylquinone (I) with the diene (II) followed by a fluoride‐induced retro‐Claisen process yields the dihydrobenzofuran (III) which is ring‐expanded to form the benzopyran (IV) during bromination.
ChemInform Abstract: Lithiation of Methoxypyridines Directed by α‐Amino Alkoxides.
Authors: COMINS D. L. , KILLPACK M. O.
Published: May 2016

Various methoxypyridinecarbaldehydes are consecutively treated with lithium amides and alkyl‐ or aryllithium agents to generate α‐amino alkoxide lithium complexes which are quenched with methyl iodide (II), producing methylated pyridine derivatives.
ChemInform Abstract: 7‐Substituted 6‐Nitro Analogues of Oxolinic Acid.
Authors: GLUSHKOV R. G. , DRONOVA L. N. , ELINA A. S. , POROKHOVAYA M. V. , PADEISKAYA E. N. , RADKEVICH T. P. , SHIPILOVA L. D.
Published: May 2016

The 7‐chloroquinolinecarboxylates (I) are coupled with the amines (II) or (V) to give the 7‐amino derivatives (III), (IV), or (VI).
ChemInform Abstract: Synthesis and Pharmacological Activity of Furo‐1,4‐dihydropyridines.
Authors: SKRASTIN'SH I. P. , KASTRON V. V. , VITOLIN'A R. O. , DUBUR G. YA. , STIVRINA M. I. , KAIDAKA K. A.
Published: May 2016

The dimethyldihydropyridinedicarboxylates (I) are cyclized with NBS to give the tetrahydrooxofuropyridinecarboxylates (II) of which (IIa), (IIb), and (IId) are oxidized, producing the dihydro derivatives (IIIa), (IIIb), and (IIId).
ChemInform Abstract: Synthesis of 3,4‐Dialkyl‐2‐phenylmorpholines.
Authors: YORDANOVA K. , DANTCHEV D. , SHVEDOV V. , KARANOV T.
Published: May 2016

The title compounds (III) are obtained in a one‐step Leuckart‐Wallach reaction by cyclocondensation of the propiophenone derivatives (I) or (IV) with the N‐alkylaminoethanols (II) in the presence of formic acid.
ChemInform Abstract: cis‐2,3,4,4a,5,9b‐Hexahydroindeno(1,2‐b)‐1,4‐oxazine.
Authors: YORDANOVA K. , SHVEDOV V. , DANTCHEV D.
Published: May 2016

The title compounds (III) are obtained by a stereoselective one‐step Leuckart‐Wallach reaction of 2‐acetoxy‐1‐indanone (I) with the N‐alkylaminoethanols (II) in formic acid.
ChemInform Abstract: Synthesis and Spectroscopic Study of a Novel Tricyclic System Containing the 1,2,6‐Thiadiazine 1,1‐Dioxide Moiety.
Authors: HERRERO A. , OCHOA C. , JIMENO M. L. , SAMAT A.
Published: May 2016

The mechanism of the self‐condensation of (I) to give the title compound (II) is studied using an intermediate, which is 15N‐labeled at the 4‐amino group.
ChemInform Abstract: Silicon Compounds with Strong Intramolecular Steric Interactions. Part 39. A Spirocyclic Silane from a 2,2‐Dimesityldisilane.
Authors: WEIDENBRUCH M. , PAN Y. , PETERS K. , VON SCHNERING H. G.
Published: May 2016

The title silane (III) is obtained by a twofold intramolecular ring formation reaction.
ChemInform Abstract: Formation of 1,2‐Dioxolane in the Singlet Oxygenation of a Silicon‐Silicon σ‐Bond: Peroxonium Ion Intermediate.
Authors: ANDO W. , KAKO M. , AKASAKA T. , NAGASE S. , KAWAI T. , NAGAI Y. , SATO T.
Published: May 2016

Photooxygenation of the disilacyclopropane (I) gives the dioxadisilacyclopentane (III) via the peroxonium intermediate (II).
ChemInform Abstract: Synthesis and Chemical Properties of Pentafluorobenzeneselenonic Acid and Derivatives of Trifluoromethaneselenonic Acid.
Authors: HAAS A. , SCHINKEL K.
Published: May 2016

The aromatic selenonic acid (II) is prepared by oxidation of the seleninic acid (I) as shown.
ChemInform Abstract: Orthotellurated Derivatives of N,N‐Dimethylbenzylamine: Crystal and Molecular Structures of (2‐(Dimethylaminomethyl)phenyl)tellurium(IV) Tribromide and (2‐(Butyldichlorotelluro)benzyl)dimethylammonium Chloride.
Authors: SINGH H. B. , SUDHA N. , WEST A. A. , HAMOR T. A.
Published: May 2016

The reaction of ortho‐lithiobenzylamine with elemental Te followed by air oxidation did not afford an expected ditelluride but an ill defined "tellurinic anhydride" which undergoes facile halogenolysis to give (IV) or a corresponding chloride, when SO2Cl2 is used.
ChemInform Abstract: Lanthanoid Complexes with Pyronic Ligands. Part 3. Synthesis and Characterization of Novel Complexes with 4‐Methylesculetin.
Authors: BISI CASTELLANI C. , CARUGO O.
Published: May 2016

In order to verify if the 7‐hydroxocoumarins behave as good chromophores toward lanthanoid ions, like other α‐pyrone ligands, the title ligand is used and the novel complexes (I) obtained.
ChemInform Abstract: The Syntheses and Electrochemistry of Bimetallic Complexes Containing Molybdenum Mononitrosyl Redox Centers Linked by Saturated α,ω‐Diamido Bridging Ligands.
Authors: AIOBAIDI N. J. , JONES C. J. , MCCLEVERTY J. A.
Published: May 2016

As demonstrated for (IIIa) the bimetallic complexes (III) are prepared following established methods.
ChemInform Abstract: Influence of Steric Hindrance on the Lithiation of Ferrocenylalkylamines.
Authors: DEUS N. , ROBLES D. , HERRMANN R.
Published: May 2016

The diastereoisomeric ferrocenylalkylamines (IV) and (V) are separately obtained according to the reaction sequence shown in dependence on the reaction time between (I) and (II).
ChemInform Abstract: Alkyl Complexes of Cobalt(II). X‐Ray Crystal Structures of (Me2NCH2CH2NMe2)CoR2, R: CH2SiMe3, CH2CMe3, ((Me2NCH2CH2NMe2)Li)2(Co(CH2SiMe3)4) and ((Me2NCH2CH2NMe2)2Li)(CoCl(CH(SiMe3)2)2).
Authors: HAY‐MOTHERWELL R. S. , WILKINSON G. , HUSSAIN B. , HURSTHOUSE M. B.
Published: May 2016

The interaction of lithium alkyls in Et2O with CoCl2 in the presence of tetramethylethylenediamine leads in 20‐30% yield to the isolation of the complexes (Ia) (space group C2/c, Z = 8), (Ib) (C2/c, Z=4), (II) (P43212, Z=4) and (III) (P1, Z=2).
ChemInform Abstract: Oxidative Addition of Iodomethane to Thioacetylacetonatocarbonylphosphinerhodium(I) Complexes.
Authors: LEIPOLDT J. G. , BASSON S. S. , BOTHA L. J.
Published: May 2016

The oxidative addition of MeI (II) to the Rh(I) complexes (I) is found to follow second‐order kinetics and give only the acyl‐Rh(III) complexes (III) (no yields given).
ChemInform Abstract: The Total Synthesis of (+)‐Ryanodol. Part 4. Preparation of (+)‐Ryanodol from (+)‐Anhydroryanodol.
Authors: DESLONGCHAMPS P. , BELANGER A. , BERNEY D. J. F. , BORSCHBERG H.‐J. , BROUSSEAU R. , DOUTHEAU A. , DURAND R. , KATAYAMA H. , LAPALME R. , LETURC D. M. , LIAO C.‐C. , MACLACHLAN F. N. , MAFFRAND J.‐P. , MARAZZA F. , MARTINO R. , MOREAU C. , RUEST L. , SAINT‐LAURENT L. , SAINTONGE R. , SOUCY P.
Published: May 2016

The successful conversion of (+)‐anhydroryanodol (I) into (+)‐ryanodol (III) is accomplished in two steps.
ChemInform Abstract: Total Synthesis of (.+‐.)‐β‐Irone.
Authors: MOISEENKOV A. M. , VESELOVSKII V. V. , DRAGAN V. A. , STASHINA G. A. , ZHULIN V. M.
Published: May 2016

Starting with the dimethyl(benzenesulfinyl)octadienyl acetate (I), the title compound (Xb) is prepared as shown in the reaction scheme.
ChemInform Abstract: Rapid Synthesis of β‐Hydroxy‐α‐amino Acids, such as L‐Threonine, β‐Hydroxyphenylalanine, and β‐Hydroxyleucine, via an Application of the Sharpless Asymmetric Epoxidation.
Authors: JUNG M. E. , JUNG Y. H.
Published: May 2016

The 1‐substituted allylic alcohols (I) are subjected to enantioselective Sharpless oxidation, followed by coupling with benzoyl isocyanate (II) and rearrangement, to form the chiral oxazolidinones (VI).
ChemInform Abstract: Assembly of the Gephyrotoxin Ring System via a (4 + 1)Approach to 3‐Pyrrolines.
Authors: PEARSON W. H. , POON Y.‐F.
Published: May 2016

The cyclohexenol oxide (I) is converted to the azides (V) which are pyrolyzed to form the cyclization products (IV) ‐ (VII).
ChemInform Abstract: Palladium‐Assisted Route to Carbocyclic Nucleosides: A Formal Synthesis of (.+‐.)‐Aristeromycin.
Authors: DEARDORFF D. R. , SHULMAN M. J. , SHEPPECK J. E. II
Published: May 2016

The precursor (X) of the carbocyclic nucleoside (XI) mentioned in the title is prepared from the fused oxirane (I) as shown in the reaction scheme.
ChemInform Abstract: Total Synthesis of Analogues of the β‐Lactam Antibiotics. Part 5. 3‐Thiacepham‐4‐exo‐carboxylates and Their 1,1,3,3‐Tetraoxides.
Authors: BEAGLEY B. , CRACKETT P. H. , PRITCHARD R. G. , STOODLEY R. J. , GREENGRASS C. W.
Published: May 2016

A new synthesis of 3‐thiacepham 1,1,3,3‐tetraoxides such as (VIII) via intermediates such as (VII) (space group P1 with Z=2) is described.
ChemInform Abstract: Structure and Reactivity of Bimetallic ConVm Clusters.
Authors: NONOSE S. , SONE Y. , ONODERA K. , SUDO S. , KAYA K.
Published: May 2016

Bimetallic clusters of Co and V, ConVm with n > m, are synthesized by a laser vaporization method and the reactivity of the clusters toward H2 is studied in comparison with that of pure Con clusters.
ChemInform Abstract: Corrosion Resistance and Microstructure of High‐Alumina Refractories, Based on the Rotary Slag Test.
Authors: YANG H.‐Y. , CHAN C. F.
Published: May 2016

Analysis of six different high‐alumina refractories after exposure to the rotary slag test shows that Cr2O3‐containing refractories have a better slag resistance than the Cr2O3‐free materials.
ChemInform Abstract: The Effect of Nitrogen on Oxygen Photolysis at 214 nm
Authors: HOROWITZ A. , SCHNEIDER W. , MOORTGAT G. K.
Published: May 2016

is studied over the ranges 0‐1200 torr nitrogen and 125‐300 torr oxygen.
ChemInform Abstract: Molten Salt Synthesis of Low‐Dimensional Ternary Chalcogenides. Novel Structure Types in the K/Hg/Q System (Q: S, Se).
Authors: KANATZIDIS M. G. , PARK Y.
Published: May 2016

It is shown that alkali‐metal polychalcogenide melts at 210‐250 °C promote the synthesis and crystal growth of the new ternary compounds (III), (VI) and the selenium analogue of (VI), K2Hg3Se4 (VII), which is prepared in an analogous manner at 250 °C. (III) crystallizes in the tetragonal space group P421m with Z=2.
ChemInform Abstract: Tandem 1,3‐Dipolar Cycloaddition and Electrophilic Cyclization Reactions: Cyclic Ether Subunits of Polyether Antibiotics from Unsaturated Isoxazolines.
Authors: KURTH M. J. , RODRIGUEZ M. J. , OLMSTEAD M. M.
Published: May 2016

1,3‐Dipolar cycloaddition reaction of nitrile oxides, e.g. (I), with the α,ω‐dienes (II) yields 5‐alkenylisoxazolines such as (III), (VI), or (VIII) which undergo iodine‐induced cleavage and recyclization, forming the cyclic ethers (IV) bearing a cyanomethyl and an iodomethyl group.
ChemInform Abstract: Oxidative Degradation of 6‐Hydroxy‐1,2,3,4‐tetrahydroisoquinolines and 7‐Hydroxy‐2‐benzazepines. A Novel Route to Heterocyclic Quinones.
Authors: SAA J. M. , CAPO M. , MARTI C. , GARCIA‐RASO A.
Published: May 2016

Treatment of the 6‐hydroxytetrahydroisoquinolines (I) and (III) with Fremy's salt results in degradation and ring contraction, yielding the indoloquinones (II).
ChemInform Abstract: Palladium‐Catalyzed Reduction of Aryl Sulfonates. Reduction versus Hydrolysis and Selectivity Control.
Authors: CABRI W. , DE BERNARDINIS S. , FRANCALANCI F. , PENCO S. , SANTI R.
Published: May 2016

The aryl sulfonates (I) are reduced with triethylammonium formate in the presence of a palladium diacetate/phosphine catalyst to form the corresponding arenes (II).
ChemInform Abstract: Preparation of (Hydroxy(((+)‐10‐camphorsulfonyl)oxy)iodo)benzene and Its Reactivity Toward Carbonyl Compounds.
Authors: HATZIGRIGORIOU E. , VARVOGLIS A. , BAKOLA‐CHRISTIANOPOULOU M.
Published: May 2016

The chiral sulfonic acid (+)‐(I) is treated with diacetoxyiodobenzene (II) in aqueous acetonitrile to form the title reagent (III).
ChemInform Abstract: Synthesis and Some Reactions of (Z)‐1,1,2,3,4‐Pentachloro‐1,3‐butadiene.
Authors: POTKIN V. I. , KABERDIN R. V. , DUBOVA E. YU. , OL'DEKOP YU. A.
Published: May 2016

A novel procedure for the effective preparation of the title compound (II) is described.
ChemInform Abstract: A New Method for the Synthesis of Protected Chiral 4‐Hydroxy‐2‐cyclopentenone.
Authors: KITANO Y. , OKAMOTO S. , SATO F.
Published: May 2016

The racemic 3‐hydroxy‐5‐silyl‐4‐pentenoate (±)‐(III) is optically resolved via enantioselective epoxidation.
ChemInform Abstract: Radical Type Cyclization of Diene. Part 3. Radical Type Cyclization of (R)‐(‐)‐Carvone ‐ Influence of Charge‐Transfer Interactions on the Optical Rotation.
Authors: WEINGES K. , MAURER W. , REICHERT H. , SCHILLING G. , OESER T. , IRNGARTINGER H.
Published: May 2016

Radical cyclization of (R)‐carvone (I) yields a 1:1 diastereomeric mixture of the bicyclo(3.2.1)octanones (IIIa) and (IVa), whose structures are determined by X‐ray analysis of their hydrazones (space group P212121; Z=4 and P21; Z=2, respectively).
ChemInform Abstract: (4 + 2)‐Type Cycloadditions of Tropone and Heptafulvene Derivatives with a Tautomeric Mixture of Cycloheptatrienylidene and Cycloheptatetraene.
Authors: SAITO K. , WATANABE T. , TAKAHASHI K.
Published: May 2016

Thermolysis or photolysis of tropone tosylhydrazone sodium salt (I) gives the intermediates (II) ⇌ (III) and their tautomers.
ChemInform Abstract: The Addition Reaction of β‐Keto Carboxylic Acids to Olefinic Compounds by Use of Mn(III) Tris(2‐pyridinecarboxylate) as an Oxidant.
Authors: NARASAKA K. , MIYOSHI N. , IWAKURA K. , OKAUCHI T.
Published: May 2016

The β‐keto acids (I), (IV), and (VII) undergo coupling with the vinyl silyl ethers (II) or (V) in the presence of the manganese salt mentioned in the title to yield the 1,4‐diketones (III) or (VI).
ChemInform Abstract: Sequential Acetalization‐Pyrolysis of α‐Acetylcinnamates and α‐Acetylbenzalacetones. A Method for the Generation of 2‐Carbonyl‐Substituted Naphthalenes.
Authors: ZOELLER J. R. , SUMNER C. E. JUN.
Published: May 2016

Knoevenagel condensation of the benzaldehydes (I) with 2,4‐pentanedione or methyl acetoacetate (II) gives the acylated enones (III) which are selectively converted to the acetals (V) probably with inverted geometry at the double bond.
ChemInform Abstract: Asymmetric Twofold Michael Reaction. Synthesis of Optically Active 4‐Substituted 1‐Decalones from Trimethylsilyl Enol Ether of 1‐Acetylcyclohexene.
Authors: HAGIWARA H. , AKAMA T. , OKANO A. , UDA H.
Published: May 2016

The siloxy diene (I) is subjected to Lewis acid induced ring closure reaction with the chiral acrylates (II), yielding the cis‐fused tetralones (III).
ChemInform Abstract: Synthesis and Chemistry of Azolenines. Part 16. Preparation of both 3H‐ and 2H‐Pyrroles from 2,2‐Disubstituted 1,4‐Diketones via the Paal‐Knorr Reaction, and Isolation of Intermediate 2‐Hydroxy‐3,4‐dihydro‐2H‐pyrroles.
Authors: LUI K.‐H. , SAMMES M. P.
Published: May 2016

1,4‐Diketones, e.g. (I) (15 items, mostly prepared from γ‐nitroketones by Nef reaction), on treatment with liq.
ChemInform Abstract: N‐Protected 3‐Hydroxypyrroles.
Authors: FLITSCH W. , HOHENHORST M.
Published: May 2016

A simple synthesis of N‐acyl‐3‐hydroxypyrroles such as (III) by intramolecular Wittig olefination starting from symmetrical imides such as (I) is reported.
ChemInform Abstract: Unexpected Loss of Functional Groups During the Synthesis of Pyrazoles from 4‐Nitro‐ and 4‐Dimethylaminoacetophenone Oximes.
Authors: KOROSTOVA S. E. , SHEVCHENKO S. G. , MIKHALEVA A. I.
Published: May 2016

Reaction of 4‐nitroacetophenone oxime (Ia) with acetylene (II) in a superbasic medium gives the phenylpyrroles (III) and (IV) due to the loss of the nitro group.
ChemInform Abstract: Synthesis via Vinyl Sulfones. Part 37. α‐Silyl Sulfones as Latent α‐Sulfonyl Anions. Fluoride‐Promoted Intramolecular 1,2‐Additions to Aldehydes as the Basis of a New Cyclopentenylation Strategy.
Authors: ANDERSON M. B. , FUCHS P. L.
Published: May 2016

The dioxolane‐fused cyclohexenyl phenyl sulfone (I) is treated with allylpotassium, generated in situ by twofold transmetalation of tetraallyltin (II), and subsequently quenched with chlorotrimethylsilane (III) to produce the 1‐silylcyclohexyl phenyl sulfone (IV).
ChemInform Abstract: The Synthesis and Response to Vapor Challenges of New Microsensor Coatings. Pyridinium and Pyrylium Salts.
Authors: KATRITZKY A. R. , SAVAGE G. P. , PILARSKA M. , DEGA‐SZAFRAN Z.
Published: May 2016

The red heavy oil (III) is prepared as shown in the scheme.
ChemInform Abstract: One‐Pot Preparation of Derivatives of the Unknown 1,9‐Diazaphenalene Ring by a Consecutive Electrocyclic Ring Closure/Claisen Rearrangement/ Intramolecular Amination Process.
Authors: MOLINA P. , ALAJARIN M. , VIDAL A.
Published: May 2016

Consecutive reaction of 2‐hydroxy‐3‐methoxybenzaldehyde (I) with allyl bromide (II) and ethyl azidoacetate (III) yields the unsaturated azido carboxylate (IV) which is converted into the carbodiimides (VIII) via the iminophosphoranes (VI).
ChemInform Abstract: Mesoionic Compounds with a Bridgehead Nitrogen Atom. Part 19. Thiazolo‐(3,2‐a)quinoxalinium Oxides.
Authors: FEDOTOV K. V. , ROMANOV N. N.
Published: May 2016

The 2‐mercaptoquinoxalines (I) are alkylated with the haloacetic acids (II) to form the quinoxalinylthioacetic acids (III) which undergo intramolecular cyclization upon treatment with acetic anhydride, yielding the thiazoloquinoxalinium oxides (IV).
ChemInform Abstract: Synthesis of 4‐Alkylthio‐2‐(o‐hydroxyphenyl)‐1,3,5‐triazines by Recyclization of 4‐Oxo‐1,3‐benzoxazinium Perchlorates.
Authors: RYABUKHIN YU. I. , KORZHAVINA O. B. , RYABUKHINA O. YU. , GASANOV A. G. , GARNOVSKII A. D.
Published: May 2016

The benzoxazinium perchlorates (I) are coupled with the isothioureas (II) to give the alkylthiohydroxyphenyltriazines (III).
ChemInform Abstract: Pentamacrocyclic Tris‐Crown Hosts. ‐ Selective Binding of Cationic, Anionic, and Neutral Guest Compounds.
Authors: WALLON A. , WERNER U. , MUELLER W. M. + , NIEGER M. , VOEGTLE F. +
Published: May 2016

The novel title compounds (I) are prepared, and the X‐ray crystal structures of (Ib) (space group R3, Z=4) and (Ia)·3 KSCN ( P21/n, Z=4) are determined.
ChemInform Abstract: A Concise Route to the Oxathiazepine‐Containing Eudistomin Skeleton and Some Carba‐Analogs.
Authors: KIRKUP M. P. , SHANKAR B. B. , MCCOMBIE S. , GANGULY A. K. , MCPHAIL A. T.
Published: May 2016

The aminooxy acetals (II) react with the indole‐3‐carbaldehydes (I) to form the oxime ethers (III) which are reduced, producing the hydroxylamines (IV).
ChemInform Abstract: The First 1λ5,3λ5,5λ5‐Triphosphabenzene Derivative.
Authors: FLUCK E. , HECKMANN G. , PLASS W. , SPAHN M. , BORRMANN H.
Published: May 2016

The title compound (III) is one of the by‐products in the reaction of (I) with BuLi forming compound (II) as the main product.
ChemInform Abstract: Reaction of Trimethylsilyl Isoselenocyanate with Oxiranes and Oxetane.
Authors: SUKATA K.
Published: May 2016

Based on a detailed study of the effect of various reaction conditions, the oxiranes (I), (IV), (VIII) and (X) and oxetane (XII) are treated with the title reagent (II), generated in a one‐pot procedure from Me3SiCl and a slight excess of KSeCN.
ChemInform Abstract: Stereochemical Aspects in Metallacyclic Nine‐Membered Zirconoxycarbene Complexes from Coupling (Butadiene)zirconocene, Hexacarbonyltungsten, and Ketones or Aldehydes.
Authors: ERKER G. , SOSNA F. , NOE R.
Published: May 2016

The reaction of the metallacyclic π‐allylcarbene complexes (III) with equimolar amounts of aldehydes and ketones gives stereochemical different products depending on the reagents used.
ChemInform Abstract: Preparation, Structure, and Magnetic Properties of a Ternary Tetrathiafulvalenium Salt Based on a Paramagnetic Hexanuclear Niobium Cluster Halide: (TTF+)2((Nb6Cl18)3‐)((C2H5)4N+)(CH3CN), a Unique Molecular Rock Salt with Channels Incorporating a Neutral Organic Molecule.
Authors: PENICAUD A. , BATAIL P. , DAVIDSON P. , LEVELUT A.‐M. , COULON C. , PERRIN C.
Published: May 2016

The title cluster is prepared by electrocrystallization and characterized by single‐crystal X‐ray diffraction (space group P42/ncm, Z=4) and diffuse scattering as well as variable‐temp.
ChemInform Abstract: Transient Template Effect: Chromium(III)‐Directed Syntheses of Metal‐Free Macrocyclic Ligands and Crystal Structure of 1,11‐Bis(2′‐hydroxyethyl)‐4,8;12,16;17,21‐trinitrilo‐1,2,10,11‐tetra‐azacyclohenicosa‐2,4,6,9,12,14,18,20‐octaene Hydrochloride Tetrahydrate.
Authors: CHUNG L.‐Y. , CONSTABLE E. C. , DALE A. R. , KHAN M. S. , LIPTROT M. C. , LEWIS J. , RAITHBY P. R.
Published: May 2016

The metal‐free quinquedentate macrocyclic ligands (IV) and (V) are prepared by the use of a Cr(III) transient template as demonstrated for the example (IVa)·HCl·4 H2O (space group P21/n, Z=4).
ChemInform Abstract: Synthesis and Coordination Behavior of 6′, 6′′‐Bis(2‐pyridyl)‐2,2′:4,4′′:2′′,2′′′‐quaterpyridine; ′Back‐to‐back′ 2,2′:6′,2′′‐Terpyridine.
Authors: CONSTABLE E. C. , WARD M. D.
Published: May 2016

The novel potentially binucleating ligand (VII) behaves as a back‐to‐back analogue of terpyridine.
ChemInform Abstract: Alkyne‐Bridged Tetranuclear Clusters by Expansion of Trinuclear Clusters.
Authors: BANTEL H. , POWELL A. K. , VAHRENKAMP H.
Published: May 2016

Under photochemical activation Fe2(CO)9 (II) is a suitable reagent for the expansion of alkyne‐bridged trinuclear clusters (Fe3, FeCo2, FeNi2, RuCo2, FeCoNi, RuCoNi, RuCoMo) such as (I) to give corresponding alkyne‐bridged tetranuclear clusters of the type (III) (yields 5‐45%; (IIIa): space group Pnna, Z=4).
ChemInform Abstract: Metal Complexes of Radiosensitization Drugs: The Characterization of the Metronidazole Adducts of Dirhodium(II)tetracarboxylate Compounds.
Authors: DYSON T. M. , MORRISON E. C. , TOCHER D. A. , DALE L. D. , EDWARDS D. I.
Published: May 2016

The compounds (IIIa) (space group Pbca, Z=4) and (IIIb) (P21/c, Z=2) are also characterized by electrochemical measurements.
ChemInform Abstract: Homoleptic tert.‐Butylimido Compounds of Osmium(VIII) and Chromium(VI).
Authors: DANOPOULOS A. A. , WILKINSON G.
Published: May 2016

The moisture‐sensitive Os compound (III) is obtained together with the tetrameric oxoimido compound (IV).
ChemInform Abstract: Ten‐Vertex Metallaborane Chemistry: Synthesis and Characterization of Some ortho‐Cycloboronated nido‐5‐ and ‐6‐Iridadecaboranes; Crystal Structures of Cyclic (5‐H‐5‐(PPh3)‐5‐(PPh2‐o‐C6H4)‐nido‐5‐IrB9H12‐2) and Cyclic (5‐H‐5,7‐(PPh3)2‐5‐(PPh2‐o‐C6H4)‐nido‐5‐IrB9H10‐2).
Authors: BOULD J. , CROOK J. E. , GREENWOOD N. N. , KENNEDY J. D. , THORNTON‐PETT M.
Published: May 2016

In contrast to the arachno‐anion (B9H14)‐, which gives an 80% yield of the known compound 6‐H‐6,6‐(PPh3)2‐nido‐6‐IrB9H13, the reaction of the complex (I) with the nido‐anion of (II) yields the mixture of compounds (III)‐(VI).
ChemInform Abstract: Sulfur‐Mediated Five‐Membered Ring Expansions. Steroidal Examples.
Authors: PARYZEK Z. , MARTYNOW J.
Published: May 2016

The stereochemistry of the addition of the dithioacetal (II) to the norsteroids (I) is determined by the stereochemistry at the 5‐position.
ChemInform Abstract: Enzyme Catalyzed Preparation of 6‐O‐Acylglucopyranosides.
Authors: ADELHORST K. , BJOERKLING F. + , GODTFREDSEN S. E. , KIRK O.
Published: May 2016

The title compounds (III) and (V) are prepared by esterification of the glucopyranosides (I) with the long chain fatty acids (II) in a solvent‐free process using immobilized lipase.
ChemInform Abstract: The Structure of the Lichen Depsidones Fulgidin and Isofulgidin.
Authors: BIRKBECK A. A. , SARGENT M. V. , ELIX J. A.
Published: May 2016

The depsidone (Ia), named isofulgidin, is isolated from several Australian lichens together with diploicin (Ic) and atranorin and found to be identical with the previously prepared synthetic isofulgidin.
ChemInform Abstract: Synthesis and Characterization of Silicon Oxycarbide Glasses.
Authors: ZHANG H. , PANTANO C. G.
Published: May 2016

X‐ray amorphous silicon oxycarbide glasses containing up to 18% C are prepared by a sol/gel process using four different organometallic precursors, R‐Si(OMe)3 with R: Me, Et, Pr, Ph.
ChemInform Abstract: Fabrication of Optically Transparent Lead Magnesium Niobate Polycrystalline Ceramics Using Hot Isostatic Pressing.
Authors: KIM N. , MCHENRY D. A. , JANG S.‐J. , SHROUT T. R.
Published: May 2016

The dielectric and optical properties of hot isostatically pressed PbMg1/3Nb2/3O3 (PMN) ceramics modified with 0.5 mol.% La2O3 are studied.
ChemInform Abstract: Al2TiO5‐ZrTiO4‐ZrO2 Composites: A New Family of Low‐Thermal‐Expansion Ceramics.
Authors: PARKER F. J.
Published: May 2016

Al2TiO5‐ZrTiO4‐ZrO2 ceramic composites are prepared using Al2TiO5 and ZrTiO4 powders as starting materials.
ChemInform Abstract: Isostructuralism in Double Complex Salts Series: (M(H2O)x(NH3)6‐x) (M′(CN)6) and (M(H2O)x(NH3)6‐x) (CuCl5) (M,M′: Co(III), Cr(III); x = 0, 1, 2). Crystal Structure of (Cr(H2O)(NH3)5) (CuCl5).
Authors: PONS J. , SOLANS A. , BAYON J. C. , MOLINS E. , CASABO J. , PALACIO F. , PLANA F.
Published: May 2016

The twelve compounds of the series (M(H2O)x(NH3)6‐x)(M'(CN)6) (M,M': Co, Cr, x = 0‐2) are isostructural and crystallize in space group R3.
ChemInform Abstract: Structure of Yttrium Nitrate Monohydrate.
Authors: RIBAR B. , RADIVOJEVIC P. , ARGAY G. , KALMAN A.
Published: May 2016

Single crystals of the title monohydrate, grown by keeping the corresponding hexahydrate for 14 d at 443 K, belong to the triclinic crystal system, space group P1 with Z=2.
ChemInform Abstract: Kinetics of the Reaction of Iodine Atoms with HO2 Radicals.
Authors: JENKIN M. E. , COX R. A. , MELLOUKI A. , LE BRAS G. , POULET G.
Published: May 2016

The discharge‐flow/EPR technique and molecular‐modulation/UV‐absorption spectroscopy are used for direct measurements of the rate coefficient k for the reaction I + HO2 → HI + O2.
ChemInform Abstract: Kinetics and Mechanisms of Nucleophilic Displacements with Heterocycles as Leaving Groups. Part 27. Collisionally Activated Dissociation of N‐Alkylpyridinium Cations to Pyridinium Cation and Olefins in the Gas Phase.
Authors: KATRITZKY A. R. , WATSON C. H. , DEGA‐SZAFRAN Z. , EYLER J. R.
Published: May 2016

The title reaction of pyridinium cations such as (Ia) competes with the formation of pyridinium and alkyl cations.
ChemInform Abstract: Formation of 3,1‐Perhydrobenzoxazines and Their N‐Methyl Derivatives. The Effects of Epimerization and Temperature.
Authors: PARKKINEN A. , FUELOEP F. + , PIHLAJA K.
Published: May 2016

The cyclization of p‐nitrobenzaldehyde (II) (Z: ‐NO2) with cis‐(I) and its trans isomer and with their N‐methyl derivatives is investigated to understand better the factors controlling the formation of epimeric 3,1‐oxazine derivatives such as (IV) and (V).
ChemInform Abstract: Proposal for Modulable Photoaffinity Labelling.
Authors: ARANDA G. , LALLEMAND J. Y.
Published: May 2016

The glycerol acetonide (I) is functionalized as outlined in the reaction scheme to introduce modulable lipophilic and photosensitive moieties.
ChemInform Abstract: The Cycloaddition Reactions of Some 7‐Alkylidenecycloocta‐1,3,5‐trienes.
Authors: FERBER P. H. , GREAM G. E. , KIRKBRIDE P. K. , TIEKINK E. R. T.
Published: May 2016

Cyclooctatrienes of type (I), (IV) and (XI) are unstable and undergo cycloaddition reactions with the compounds shown in the scheme.
ChemInform Abstract: The Reaction Between 7‐Oxanorbornadienes and Tetraarylcyclopentadienones: A Short Synthesis of 1,2,3,4‐Tetraarylbenzenes.
Authors: FRY A. J. , SHERMAN L. R. , BEAULIEU A. R. , SHERWIN C.
Published: May 2016

The 7‐oxanorbornadiene (III), prepared from 2‐ethylfuran (I) and the acetylenedicarboxylate (II), is subjected to cycloaddition reaction with the tetraarylcyclopentadienones (IV) to produce the tetraarylbenzenes (VI) and the furandicarboxylate (VII) after loss of CO and retro‐Diels‐Alder cleavage.
ChemInform Abstract: Photochemistry of 2‐Methyl‐2‐trifluoromethyl‐ and 2,2‐Bis(trifluoromethyl)‐3(2H)‐furanone.
Authors: GEBEL R.‐C. , MARGARETHA P.
Published: May 2016

The title furanones (I) form analogous products in each type of the light‐induced reactions shown in the scheme.
ChemInform Abstract: Photochemical Reactions of 6‐Isobutyrylbenzocycloalken‐5‐ones with Oxygen. Photochemistry of Enolic 1,3‐Diketones.
Authors: YOSHIOKA M. , SAWADA H. , SAITOH M. , HASEGAWA T.
Published: May 2016

The title ketones (I), (V) and (VII) exist in the enol form in solution.
ChemInform Abstract: An Equilibrating Carbene ‐ Bridgehead Alkene Pair.
Authors: CHEN N. , JONES M. JUN.
Published: May 2016

Photolysis of the polycyclic hydrazone (I) generates the bridgehead olefin (II) and the carbene (III).
ChemInform Abstract: The Reactions of Some Substituted 2‐Hydroxybenzonitriles with Nitrogen Dioxide: X‐Ray Structures of 2‐Cyano‐t‐6‐hydroxy‐3,4,5,6‐tetramethyl‐r‐4,t‐5‐dinitrocyclohex‐2‐enone, 2‐Cyano‐3,4,5,6‐tetramethyl‐r‐4,t‐5,t‐6‐trinitrocyclohex‐2‐enone and 2‐Cyano‐c‐6‐hydroxy‐4,6‐dimethyl‐r‐4,c‐5‐dinitrocyclohex‐2‐enone.
Authors: GORDON J. L. M. , HARTSHORN M. P. , ROBINSON W. T. , SIES C. W. , WELLS B. A. , WIKAIRA J. L. , WRIGHT G. J.
Published: May 2016

The title reaction mainly yields mono‐, di‐ and trinitro derivatives in the case of (I) and (VII), whereas the additional cyano group in (X) prevents the addition of NO2.
ChemInform Abstract: Nitration of Fluoroethylenes with the Nitrating Mixture (HNO3+H2SO4+SO3).
Authors: MARTYNOV I. V. , UVAROV V. I. , BREL' V. K. , ANUFRIEV V. I. , YARKOV A. V.
Published: May 2016

Nitration of the fluoroethylenes (I), containing a CFCl fragment, with nitric acid (II) in the presence of oleum produces the halonitroacetyl fluorides (III), whereas from the ethylenes (V), (VII), and (X) with a CF2 group, the nitroethyl fluorosulfates (VI), (VIII), or (XI) are obtained predominantly.
ChemInform Abstract: Synthesis and Reactions of Fluoro‐Organic Oxygen Compounds. Part 10. Bromoperfluorinated Carbonyl Compounds and Their Derivatives.
Authors: ZAPEVALOV A. YA. , FILYAKOVA T. I. , PESCHANSKII N. V. , KODESS M. I. , KOLENKO I. P.
Published: May 2016

Direct bromination of the ω‐hydroperfluoro derivatives (II) or (V) affords the bromo derivatives (I) or (IV), contaminated by decarbonylation products.
ChemInform Abstract: Di‐tert.‐butylcyclopentadiene and Tri‐tert.‐butylcyclopentadiene.
Authors: VENIER C. G. , CASSERLY E. W.
Published: May 2016

The bis‐alkylation of cyclopentadiene (I) is carried out in one step under phase‐transfer conditions.
ChemInform Abstract: Chiral Induction in the Photochemical Rearrangement of 3,6‐Hexanooxepin‐4,5‐dicarboxylates.
Authors: TOCHTERMANN W. , SCHLOESSER U. + , OPP B. , PETERS E.‐M. , PETERS K. , VON SCHNERING H. G.
Published: May 2016

The chiral bridged oxepindicarboxylates (III) are irradiated in an etherial solution to yield mixtures of the diastereomeric tricyclic aldehydes (IV) and (V) due to cleavage and rearrangement.
ChemInform Abstract: Synthesis of Iodocubanes by Decarboxylative Iodination.
Authors: TSANAKTSIDIS J. , EATON P. E.
Published: May 2016

The cubanecarboxylic acids (I) are consecutively treated with oxalyl chloride and N‐hydroxypyridine‐2‐thione (II) to give the intermediate thiohydroxamates (III) which are cleaved upon irradiation in the presence of 2,2,2‐trifluoroiodoethane to form the iodocubanes (IV).
ChemInform Abstract: Platelet Aggregation Inhibiting and Anticoagulant Effects of Oligoamines. Part 11. Oligoamines with Two Primary Amino Groups.
Authors: REHSE K. , ROSE B. , LEISSRING S.
Published: May 2016

The title compounds (VI), synthesized from the esters (I) as shown in the reaction scheme, are tested for their antiplatelet and anticoagulant effects.
ChemInform Abstract: The Use of (Fe(CO)3NO)‐ for the Carbonylation of Primary, Secondary and Allylic Halides.
Authors: DAVIES S. G. , SMALLRIDGE A. J. , IBBOTSON A.
Published: May 2016

The title compound (VI) is efficiently used for the preparation of esters, e.g. (IV) and (VII).
ChemInform Abstract: Stereoselective Conjugate Additions of Benzyl Sulfoxides to α,β‐Unsaturated Esters.
Authors: CASEY M. , MANAGE A. C. , GAIRNS R. S.
Published: May 2016

The arylmethyl sulfoxides (I) are deprotonated and then selectively coupled with the acrylates (II) to give the 4‐aryl‐4‐sulfinylcarboxylates (III).
ChemInform Abstract: α,β‐Unsaturated Thio Compounds. Part 22. Regioselective Nucleophilic Addition to 3‐Alkoxy‐ and 3‐Alkylthio‐2‐aryl‐1‐indeniminium Salts as a Way of Synthesis of 1,1,3‐Trisheterofunctional Derivatives of Indene.
Authors: USOV V. A. , DOROFEEV I. A. , USOVA T. L. , TUMOKHINA L. V. , VORONKOV M. G.
Published: May 2016

The hitherto unknown title compounds, the 1,1,3‐trisheterofunctionalized derivatives (III), (V), (VII) and (IX) as well as (XI) and (XII) are prepared by reacting the 3‐alkylthio‐ and 3‐alkoxyindeniminium salts (I) or (VIII) with hard and soft nucleophiles.
ChemInform Abstract: The Preparation of 9‐Alkylthiofluorenes from Biphenyl‐2‐carboxaldehydes.
Authors: LEBER J. D. , ELLIOTT J. D.
Published: May 2016

The biphenyl‐2‐carboxaldehyde (I) reacts with ethyl mercaptan (II) in the presence of boron trifluoride etherate under cyclization, forming the regioisomeric 9‐ethylthiofluorenes (III) and (IV).
ChemInform Abstract: A Potential Photochemically Driven Information Storage System.
Authors: RIEKE R. D. , PAGE G. O. , HUDNALL P. M. , ARHART R. W. , BOULDIN T. W.
Published: May 2016

Irradiation of solid acenaphthylene‐1,2‐dicarboxylic anhydride (I) through a Pyrex filter yields the dimer (II) which is cleaved upon photolysis at 300 nm, producing small amounts of the monomer (I).
ChemInform Abstract: 2,3‐Dihydronaphtho(1,2‐b)thiophene 1‐Oxide in the Synthesis of 2,3‐Dihydronaphtho‐ and Naphtho(1,2‐b)thiophenes.
Authors: FEDOROV N. V. , ANISIMOV A. V. , VIKTOROVA E. A.
Published: May 2016

Heating of the allyl naphthyl sulfoxides (I) gives the dihydronaphthothiophene oxides (III) via the sulfenic acids (II).
ChemInform Abstract: Substituted Tetrathiafulvalenes with β‐Halo‐ and β‐Hydroxyethylthio Groups.
Authors: KOZLOV E. S. , YURCHENKO A. A. , TOLMACHEV A. A. , NECHITAILO L. A. , IGNAT'EV N. V.
Published: May 2016

The preparation of the title compounds (IX) and their hydroxyethyl analogues (not given in the scheme) is reported.
ChemInform Abstract: A Convenient Synthesis of the Cationic Formyl Equivalent Synthon, 2‐Methoxy‐1,3‐dithiolane.
Authors: HOUGHTON R. P. , DUNLOP J. E.
Published: May 2016

Reaction of triethyl orthoformate (I) with 1,5 equiv. of ethane‐1,2‐dithiol (II) produces the bis(dithiolane) (III).
ChemInform Abstract: Reactions of Some Ketenes With 1‐Aroyl‐1H‐pyrazoles.
Authors: MITKIDOU S. , PAPADOPOULOS S. , STEPHANIDOU‐STEPHANATOU J. , TERZIS A. , MENTZAFOS D.
Published: May 2016

The ketenes are generated in situ from the acetyl chlorides (II).
ChemInform Abstract: A Convenient Synthesis of 4‐Substituted 5‐Nitroimidazole Building Blocks.
Authors: CROZET M. P. , VANELLE P. , JENTZER O. , KAAFARANI M.
Published: May 2016

Coupling of the commercial dimethylnitroimidazole (I) (demitridazole) with 2‐nitropropane (II) gives the tertiary alcohol (III) and the 2‐propenylimidazole (IV).
ChemInform Abstract: Reactions of Dichlorocarbene with 2‐tert.‐Butyl‐4H‐chromene.
Authors: KOSTIKOV R. R. , MOLCHANOV A. P. , SUZDALEV K. F. , KOBLIK A. V.
Published: May 2016

The reaction between dichlorocarbene and the title compound (I) affords various products depending on the mode of generation of dichlorocarbene.
ChemInform Abstract: Synthesis and Structure of Tetrahydropyrano(2,3‐b)(1,4)dioxins.
Authors: WUENSCH B. + , EIDEN F.
Published: May 2016

The 6‐methoxypyranone (I) reacts with 1,2‐ethanediol (II) to form the dioxolane (III) which is converted to the cis‐tetrahydropyranodioxinone (V) and ethylene glycol diformate (VI) by treatment with formic acid (IV).
ChemInform Abstract: On Triazoles. Part 19. The Reaction of 5‐Amino‐1,2,4‐triazoles with Functionalized Acetoacetic Esters.
Authors: REITER J. , PONGO L. , SOMORAI T. , PALLAGI I.
Published: May 2016

The title reaction leads to fused pyrimidine derivatives of type (III).
ChemInform Abstract: Isomers and Isomerizations of C2B9H11 and a Comparison of Relative Isomer Stabilities.
Authors: GIMARC B. M. , DAI B. , WARREN D. S. , OTT J. J.
Published: May 2016

For the title carborane only the single isomer (I) is prepared among 20 possible positional isomers.
ChemInform Abstract: Trialkylsilylmethyltris(hydroxymethyl)methanes.
Authors: USTINOV A. K. , GAFUROV R. G. , MARTYNOV I. V.
Published: May 2016

Aldol condensation of the β‐trialkylsilylpropanals (I) with formaldehyde (II) and subsequent Cannizzaro reaction in the presence of KOH give the title compounds (III) which are transformed into the urethanes (V), the cyanoethyl ether (VII), and the acetate (IX).
ChemInform Abstract: Functionally Substituted Allenylphosphonates and Their Conversion Products. Part 1. Reaction of Secondary Amines with Dialkyl 1‐Methoxy‐2,3‐alkadiene‐2‐ylphosphonates.
Authors: BREL' V. K. , ABRAMKIN E. V. , MARTYNOV I. V. , IONIN B. I.
Published: May 2016

The allenylphosphonates (I) are coupled with the secondary amines (II) in the presence of catalytic amounts of the corresponding sodium amide to give the aminoalkadienylphosphonates (III).
ChemInform Abstract: Reaction of Phosphorus‐Containing Cyanoguanidines with Hexafluoroacetonimines.
Authors: AKSINENKO A. YU. , SOKOLOV V. B. , KORENCHENKO O. V. , CHEKHLOV A. N. , FOKIN E. A. , MARTYNOV I. V.
Published: May 2016

The N‐acylhexafluoroacetonimines (II) react with the cyanoguanidinoalkylphosphonates (I) at the cyano group to give the (2 + 4)cycloaddition products (III).
ChemInform Abstract: Transition‐Metal Carbyne Complexes. Part 98. N‐Alkylation of an Ethylisocyanide Ligand at Molybdenum(0); Synthesis and Oxidation Reactions of the First Cyclopentadienyl‐Substituted Molybdenum Diethylaminocarbyne Complexes.
Authors: FILIPPOU A. C. , FISCHER E. O. , GRUENLEITNER W. +
Published: May 2016

The low valent diethylaminocarbyne complex (V) is synthesized by N‐ethylation of the Mo(0) complex Na((η‐C5H5)Mo(CO)2(CNEt)), the reduced product from (IIIa) + (IIIb).
ChemInform Abstract: Propyltrimethoxysilane‐thiolate Iron and Nickel Complexes: Synthesis, Characterization and Electrochemical Behavior.
Authors: MORAN M. , CUADRADO I. , PINEDA L. , MASAGUER J. R. , LOSADA J.
Published: May 2016

The thiolate‐bridged Ni and Fe complexes (III) and (VI) as well as the monomeric Fe thiolates (X) are obtained as shown.
ChemInform Abstract: Silyl and Diphenylsilylene Derivatives of (η5‐C5Me5)(PMe3)2Ru. Evidence for the Base‐Free Silylene Complex ((η5‐C5Me5)(PMe3)2Ru=SiPh2)+.
Authors: STRAUS D. A. , ZHANG C. , QUIMBITA G. E. , GRUMBINE S. D. , HEYN R. H. , TILLEY T. D. , RHEINGOLD A. L. , GEIB S. J.
Published: May 2016

Both the Ru(II) and Ru(IV) silyl complexes (III) and (IV) are obtained from reaction of the trimethylsilylmethyl‐Ru(II) complex (I) with corresponding silanes as shown.
ChemInform Abstract: Synthesis of the Diastereomers of Dimethyl 4‐Arylamino‐N‐phthalyl‐L‐glutamates.
Authors: NIZOVA I. A. , KRASNOV V. P. , KOROTOVSKIKH O. V. , ALEKSEEVA L. V.
Published: May 2016

Reaction of dimethyl (2S,4RS)‐4‐bromo‐N‐phthalylglutamates (I) with the p‐substituted arylamines (II) predominantly gives the substitution products (2S,4S)‐(IV).
ChemInform Abstract: Synthesis of Anhydro‐Bridged Disaccharide Subunits of Anthracyclinic Antibiotics.
Authors: THIEM J. , KLAFFKE W.
Published: May 2016

Diacetylrhamnal (I) reacts with the bromodideoxy‐α‐D‐hexopyranoside (II) to give the disaccharide (III) which is converted into the labile enone (IV).
ChemInform Abstract: A New Synthesis of 10,11‐Dihydrodibenz(b,f)oxepin‐10‐ones: Key Intermediates to Cularine Alkaloids.
Authors: LAMAS C. , GARCIA A. , CASTEDO L. , DOMINGUEZ D.
Published: May 2016

Coupling of the benzylic halides (I) with the lithiated dithianes derived from (II) yields the benzyl phenyl ketone dithioacetals (III).
ChemInform Abstract: Synthesis of SQ‐32,829, a New Nucleoside Antiviral Agent.
Authors: JACOBS G. A. , TINO J. A. , ZAHLER R.
Published: May 2016

Cyclobutane‐1,2‐dicarboxylic acid (I) is converted to the benzyloxymethylcyclobutene (V) via chlorination, decarboxylation, reduction, and etherification.
ChemInform Abstract: Synthetic Cephalosporins. Part 5. Synthesis and Antibacterial Activity of 3‐Alkylthio‐7β‐(Z‐2‐(2‐aminothiazol‐4‐yl)‐2‐(O‐substituted oxyimino)acetamido)cephalosporins and Related Compounds.
Authors: SAKAGAMI K. , WATANABE T. , FUKATSU S. , NITTA H. , HATANAKA M. , ISHIMARU T.
Published: May 2016

The title compounds (V) and (VII), synthesized as outlined in the reaction scheme, show high in vitro antibacterial activity against gram‐positive and gram‐negative bacteria, comparable to the activity of cefixime (VIII).
ChemInform Abstract: Synthetic Cephalosporins. Part 4. Synthesis and Antibacterial Activity of 7β‐(Z‐2‐(2‐Aminothiazol‐4‐yl)‐2‐(O‐substituted oxyimino)acetamido)‐3‐(1,2,3‐triazol‐1‐yl)methyl‐3‐cephem‐4‐carboxylic Acid and Related Compounds.
Authors: SAKAGAMI K. , SAKAI M. , KASHI T. , ISHIMARU T.
Published: May 2016

The title compounds (X), synthesized as shown in the reaction scheme, have strong antibacterial activity against gram‐positive and gram‐negative bacteria, comparable to the activity of cefixime (XIII).
ChemInform Abstract: Borosilicate Glass Films as Intermetal Dielectrics.
Authors: WHITE L. K. , SHAW J. M. , KURYLO W. A. , MISZKOWSKI N.
Published: May 2016

Borosilicate glass (BSG) films are deposited with high deposition rates and excellent step coverage conformality by means of a conventional atmospheric pressure CVD system using a silane‐diborane‐oxygen gas mixture as precursor.
ChemInform Abstract: The Dynamic Micropolarization Method. Part 1. Application to Aluminum.
Authors: KIROWA‐EISNER E. , ZOLLMAN C. , GILEADI E.
Published: May 2016

A new approach termed dynamic micropolarization (DMP) is applied for the study of the corrosion of Al in neutral and weakly acidic solutions.
ChemInform Abstract: Localized Corrosion of Sputtered Aluminum and Al‐0.5% Cu Alloy Thin Films in Aqueous HF Solution. Part 1. Corrosion Phenomena.
Authors: SCULLY J. R. , FRANKENTHAL R. P. , HANSON K. J. , SICONOLFI D. J. , SINCLAIR J. D.
Published: May 2016

The solution and metallurgical conditions that lead to localized breakdown of the passivating film and subsequent micropitting of the Al and Al‐0.5% Cu alloy thin films are determined by ac and dc electrochemical methods, SEM, TEM, and AES.
ChemInform Abstract: Localized Corrosion of Sputtered Aluminum and Al‐0.5% Cu Alloy Thin Films in Aqueous HF Solution. Part 2. Inhibition by CO2.
Authors: SCULLY J. R. , FRANKENTHAL R. P. , HANSON K. J. , SICONOLFI D. J. , SINCLAIR J. D.
Published: May 2016

CO2 sparging of the electrolyte solution inhibits the formation of pits on Al and Al‐0.5% Cu alloy thin films in HF solutions.
ChemInform Abstract: Selenoarsenates from Aqueous Solutions. Crystal Structures of Na3AsO3Se·12 H2O and Na3AsSe4·9 H2O.
Authors: KREBS B. , HUERTER H.‐U. + , ENAX J. , FROEHLICH R. +
Published: May 2016

Compound (IV) crystallizes in the orthorhombic space group P212121 with Z=4, and (VII) is cubic, P213 with Z=4.
ChemInform Abstract: Cs2(Li3GaO4): A Phyllo‐Litho‐Gallate?
Authors: MUELLER H.‐P. + , HOPPE R.
Published: May 2016

Single crystals of the title compound are obtained from the exchange reaction between Cs2O and Li5(GaO4) (sealed Pt‐tube, 750 °C, 8 weeks).
ChemInform Abstract: The Crystal Structure of Me3SiNPPh2CH2PPh2 and NMR Investigations on Its Proposed Thermal Isomerization.
Authors: SCHMIDBAUR H. , BOWMAKER G. A. , KUMBERGER O. , MUELLER G. + , WOLFSBERGER W.
Published: May 2016

The crystal structure of (I) (P212121, Z=4) is determined in order to get some information on the ground state conformation in the solid state and on unusual steric effects which could give rise to conformational isomers.
ChemInform Abstract: Enantiomerically Enriched Allylstannanes from Chiral Allyllithium Derivatives and Their Highly Regio‐, Diastereo‐, and Enantioselective Hydroxyalkylation.
Authors: KRAEMER T. + , SCHWARK J.‐R. , HOPPE D.
Published: May 2016

The stereoisomeric O‐allyl carbamates (I) and (VIII) are converted to the allylstannanes (VI) and (IX) via complexed lithiated derivatives, e.g. (IV).
ChemInform Abstract: Stereocontrolled Convergent Synthesis of 1,3‐Polyol.
Authors: NAKATA T. , SUENAGA T. , OISHI T.
Published: May 2016

Starting with the protected 1,2,4‐triol (I), the polyol derivatives (IV) and (V) are synthesized in a multistage procedure.
ChemInform Abstract: Unstable Methoxycyclosiloxanes ((CH3O)2SiO)n (n = 2, 3): Thermal Generation and Direct Mass Spectral Studies.
Authors: TAMAS J. , GOEMOERY A. + , BESENYEI I. , KHABASHESKU V. N. , KERZINA Z. A. , KAGRAMANOV N. D. , BRAGILEVSKY I. O.
Published: May 2016

The title compounds (II) and (III) are detected in the mass spectra of the pyrolysis products of (I) as the corresponding molecular ions and identified from their exact masses and compositions.
ChemInform Abstract: Oxidation of Primary Aliphatic Amines with Sodium Perborate.
Authors: ZAJAC W. W. JUN. , DARCY M. G. , SUBONG A. P. , BUZBY J. H.
Published: May 2016

The amines (I) are oxidized with sodium perborate in the presence of sodium hydrogen carbonate and TAED to give the nitroso compounds (II) which are identified as their dimers.
ChemInform Abstract: An Efficient Oxidative Cleavage of Carbon‐Silicon Bonds by a Dioxygen/ Hydroquinone System.
Authors: TAMAO K. , HAYASHI T. , ITO Y.
Published: May 2016

The oxidative cleavage of carbon‐silicon bonds using an air/hydroquinone system proceeds with retention of configuration.
ChemInform Abstract: Enantioselective Catalysis. Part 54. Hydrogenation of Methyl Acetoacetate Using Nickel Powder Modified with NaBr/(R,R)‐Tartaric Acid.
Authors: BRUNNER H. , MUSCHIOL M. , WISCHERT T. , WIEHL J.
Published: May 2016

Commercial Ni powder such as Ventron A, activated with H2 and modified with (R,R)‐(+)‐tartaric acid and NaBr, are heterogeneous catalysts for the enantioselective hydrogenation of methyl acetoacetate (I) to give the hydroxybutanoate (II) with up to 76.9% e.e.
ChemInform Abstract: Ruthenium Complex Catalyzed Intermolecular Hydroacylation and Transhydroformylation of Olefins with Aldehydes.
Authors: KONDO T. , AKAZOME M. , TSUJI Y. , WATANABE Y.
Published: May 2016

Ruthenium‐catalyzed reaction of the (het)aromatic aldehydes (I) with the cycloalkenes (II) in the presence of carbon monoxide produces the ketones (III).
ChemInform Abstract: Synthesis of α‐(Halomethyl)cycloalkanones.
Authors: WENKERT E. , ARRHENIUS T. S. , BOOKSER B. , GUO M. , MANCINI P.
Published: May 2016

The ketones (I) and (XIII) are silylated to give the enolates (III) and (XIV).
ChemInform Abstract: Preparation of 2‐Arylpropanoic Acids by Oxidative Aryl Migration in (β‐Aryl‐β‐hydroxy)alkyl Phenyl Selenides.
Authors: UEMURA S. , OHE K. , YAMAUCHI T. , MIZUTAKI S. , TAMAKI K.
Published: May 2016

A new method to form pharmaceutically important 2‐arylpropanoic acids proceeds by conversion of propiophenones (I) to phenyl selenides (III), followed by oxidative aryl migration to yield the target acids of type (IV).
ChemInform Abstract: A Convenient One‐Pot Synthesis of α‐Functionalized α,β‐Unsaturated Sulfones.
Authors: LEE J. W. , OH D. Y.
Published: May 2016

Bislithiation of the substituted methyl phenyl sulfones (I) and subsequent coupling with diethyl phosphorochloridate (III) produce the α‐lithio α‐sulfonyl phosphonates (IV).