bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Studies on Epoxy Compounds. Part 52. Synthesis of Amino‐β‐diols and Their NMR Spectra.
Authors: PANSEVICH‐KOLYADA V. I. , MARCHIK E. F. , DOGADINA A. V.
Published: May 2016

The epoxide (II), prepared from the unsaturated tertiary alcohol (I) and peracetic acid, reacts with the amines (III) to give the aminodiols (IV).
ChemInform Abstract: A Novel Method for the Preparation of Salts of Tetracyanoalkanes.
Authors: NASAKIN O. E. , NIKOLAEV E. G. , TERENT'EV P. B. , SHELUDYAKOV V. D.
Published: May 2016

The stable title compounds (III) are prepared.
ChemInform Abstract: Oxidative Dimerization of 4‐(3,5‐Ditert.‐butyl‐4‐hydroxyphenyl)butan‐2‐one.
Authors: TITOVA T. F. , KRYSIN A. P.
Published: May 2016

Treatment of the title compound (Ia) or of its methyl analogue (Ib) with K3(Fe(CN)6) in the presence of KOH causes oxidative dimerization to yield the methylene quinones (IIa) as a mixture of diastereomers or (IIb) as a single compound.
ChemInform Abstract: Schiff Bases from (+)‐threo‐(4‐Aminophenyl)‐2‐dimethylamino‐1,3‐propanediol.
Authors: POTAPOV V. M. , DEM'YANOVICH V. M. , ZAITSEV V. P. , SHARIPOVA S. KH.
Published: May 2016

The Schiff bases (V) are prepared by condensation of the title compound (III) with the aromatic aldehydes (IV), in order to examine the influence on the spectral properties exerted by the substituents of aromatic nuclei.
ChemInform Abstract: Syntheses and Configurations of Some Heterocyclic Amidoximes. X‐Ray Crystal Structure of 3‐Phenyl‐5,6‐dihydro‐2(1H)‐O‐methyloxime.
Authors: JOHNSON J. E. , MAIA J. A. , TAN K. , GHAFOURIPOUR A. , DE MEESTER P. , CHU S. S. C.
Published: May 2016

α‐Methoxyphenylacetonitrile (I), prepared from benzaldehyde, reacts with hydroxylamine to give the amidoxime (II) which is methylated and then converted to the chlorooxime (IV).
ChemInform Abstract: Intramolecular Substitution of the o‐Nitro Group in 2,6‐Dinitrobenzene Derivatives. Part 1. Formation of Nitrobenzofurans by Intramolecular Cyclization of Dinitroaryl Derivatives of β‐Dicarbonyl Compounds.
Authors: ONYS'KO P. P. , PROKLINA N. V. , PROKOPENKO V. P. , GOLOLOBOV YU. G.
Published: May 2016

Using a known procedure, the 4‐substituted 2,6‐dinitrochlorobenzenes (I) are reacted with the carbanions of the β‐dicarbonyl compounds (II) to yield the dinitroaryl derivatives (III).
ChemInform Abstract: Diastereoselective Synthesis of trans‐4,5‐Disubstituted Oxazolidin‐2ones and Vicinal Amino Alcohols Through Alkylation of N‐Acyliminium Ion Intermediates.
Authors: KANO S. , YUASA Y. , SHIBUYA S.
Published: May 2016

The oxazolidin‐2‐ones (III) and (IX), derived from the hydroxy esters (II) and (VIII) or the oxazolidinediones (IV), are allylated with the silanes (V), yielding the allyl derivatives (VI) and (X).
ChemInform Abstract: One‐Pot Synthesis of Tetrahydrofuran Derivatives from Allylic Alcohols and Vinyl Ethers by Means of Palladium(II) Acetate.
Authors: FUGAMI K. , OSHIMA K. , UTIMOTO K.
Published: May 2016

The allylic alcohols (I), (IV), (VI), (VIII), and (X) are coupled with vinylic ethers such as (II), yielding vinylic tetrahydrofuran derivatives such as (III), (V), (VII), (IX), and (XI).
ChemInform Abstract: K2(Pd(C6F5)4)‐Catalyzed Cyclotrimerization of Malononitrile.
Authors: LOPEZ G. , SANCHEZ G. , GARCIA G. , GALVEZ J.
Published: May 2016

The title complex (III), which is easily prepared by arylation of potassium tetrachloropalladate (I) with pentafluorophenyl magnesium bromide (II), proves to be an efficient catalyst for the cyclotrimerization of malodinitrile (IV), yielding the pyridine derivative (V).
ChemInform Abstract: New Heteroanellated Pyridazines by Intramolecular Diels‐Alder Cycloaddition with Inverse Electron Demand.
Authors: SEITZ G. , GOERGE L. +
Published: May 2016

Starting with the tetrazine (I), the title compounds (VI) are prepared.
ChemInform Abstract: Palladium Catalyzed Coupling of 5‐Hydroxyuracil Trifluoromethanesulfonates (Triflates) with Alkenes and Alkynes.
Authors: HIROTA K. , KITADE Y. , ISOBE Y. , MAKI Y.
Published: May 2016

The 5‐hydroxyuracil triflates (I) are coupled with the alkenes (II) or the alkynes (IV) in the presence of Pd‐catalysts to give the 5‐alkenyl or 5‐alkynyl derivatives (III) and (V) respectively.
ChemInform Abstract: Acidic Hydrolysis of 2‐Methylthio‐7‐chloro‐5‐phenyl‐1,3,4‐benzotriazepines.
Authors: SCHLEUDER M. , BUTZKI S. , RICHTER P. , SOKOLOV A.
Published: May 2016

The hydrolysis of the compounds (I), (V), and (VI) in hydrochloric acid is influenced by temperature and yields either (II), (III), (IV), or (VII).
ChemInform Abstract: Thermal Decomposition of α‐Diazo‐α‐(trialkylsilyl)alkanones. Intramolecular C/H Insertion of Siloxyalkylidenecarbene Intermediates.
Authors: BRUECKMANN R. + , MAAS G.
Published: May 2016

Various diazo(trialkylsilyl)alkanones such as (III) are prepared by silylation of the diazoketones (I) with the triflates (II).
ChemInform Abstract: Ethylenamidophosphites of Glycerol Derivatives. Part 7. Synthesis of Novel Amidophosphate Analogues of Phosphatidyl(Thiophosphatidyl)cholines.
Authors: PREDVODITELEV D. A. , MALENKOVSKAYA M. A. , NIFANT'EV E. E.
Published: May 2016

A novel and simple synthesis of the title compounds (IV) is described, which starts from the easily accessible amidophosphate (Ia) or its thio analogue (Ib).
ChemInform Abstract: Thermal Isomerization of Dimethyl Trichloromethylphosphonite.
Authors: GAZIZOV T. KH. , USMANOVA L. N. , PUDOVIK A. N.
Published: May 2016

The phosphonite (Ia) rearranges thermally to give the phosphinate (II).
ChemInform Abstract: 2,6‐Di‐tert‐butyl‐4‐methylphenyl Ester of N‐(2,4,6‐Tri(tert‐butyl)phenyl)imidophosphenous Acid.
Authors: ROMANENKO V. D. , RUBAN A. V. , DRAPAILO A. B. , POVOLOTSKII M. I. , MARKOVSKII L. N.
Published: May 2016

The title compound (IV) is synthesized from the dichlorophosphite (I) and the silylamide (II) via the amidophosphite (III).
ChemInform Abstract: Syntheses of Methylenediphosphine Oxides and Carbamoylmethylphosphine Oxides Using O‐Trimethylsilyl Phosphinites.
Authors: CHAUZOV V. A. , STUDNEV YU. N. , IZNOSKOVA M. G. , FOKIN A. V.
Published: May 2016

The phosphine oxides (V) are prepared from the phosphinous acids (I) via the trimethylsilyl esters (III).
ChemInform Abstract: Organo‐Germanium Compounds: Synthesis, Structure, and Properties of Masked‐Carboxyethylgermanium Sesquioxide (GE‐132) and Related Compounds with One Triethanolamine Component.
Authors: KAKIMOTO N. , SATO K. , TAKADA T. , AKIBA M.
Published: May 2016

The carboxyethylgermanium sesquioxides (I) react with triethanolamine (II) to produce the trioxazagermaspirododecanones (III).
ChemInform Abstract: S‐S Photohomolysis at Dimolybdenum(V) RSS‐ and S2‐ 2 Bridges.
Authors: NOBLE M. E.
Published: May 2016

Dimolybdenum(V) complexes of the general form (I) (SMo2SSR) and (II) (SMo2S2Mo2S) photolyze under fluorescent lighting to give products characteristic of S‐S homolysis.
ChemInform Abstract: Synthesis of Six‐ and Seven‐Coordinate Molybdenum and Tungsten(II) Dicarbonyl Complexes Containing Monodentate Phosphine Ligands.
Authors: BRISDON B. J. , HODSON A. G. W.
Published: May 2016

On passing a stream of dry N2 gas through a solution of the tricarbonyls (I) in MeCN, the monomeric seven‐coordinate dicarbonyls (II) are formed.
ChemInform Abstract: Synthesis, Structures, and Properties of the Tris(catecholato)rhenium(VI) Complexes Re(O2C6H2(tBu)2)3 and Re(O2C6Cl4)3.
Authors: DELEARIE L. A. , HALTIWANGER R. C. , PIERPONT C. G.
Published: May 2016

Di‐tert‐butyl‐1,2‐benzoquinone and Re2(CO)10 react in anisole under irradiation with polychromatic light to give the complex (Ia).
ChemInform Abstract: Reactivity of the Polyhydride Complexes (ReH5(PPh3)3), (ReH3(dppe)2) (dppe: Ph2PCH2CH2PPh2), (ReH3(PPh3)3L), and (ReH4(PPh3)3L)PF6 (L: MeCN or tBuNC) Towards Electrophiles and Nucleophiles.
Authors: MOEHRING G. A. , WALTON R. A.
Published: May 2016

Protonation of the pentahydride (I) leads to the cationic hexahydride (II).
ChemInform Abstract: Rhenium Carbonyl Fluorides: Preparation of (Re(CO)6) (ReF6) and Some Reactions of (Re(CO)5F·ReF5).
Authors: HOLLOWAY J. H. , SENIOR J. B. , SZARY A. C.
Published: May 2016

The extremely moisture sensitive title compound (II) is prepared from Re(CO)5F·ReF5 (I) and CO or from Re2(CO)10 (III) and XeF2 as shown.
ChemInform Abstract: A Comparative Synthetic and Structural Study of μ‐Oxo and μ‐Sulfido Derivatives of N,N′‐Ethylenebis(acetylacetoneiminato)iron(III), Including the Synthesis and Structural Characterization of the Parent Compound.
Authors: CORAZZA F. , FLORIANI C. , ZEHNDER M.
Published: May 2016

The Fe(II) complex (I) is obtained by treating anhydrous FeCl2·1.5 THF with N,N'‐ethylenebis(acetylacetoneimine) in the presence of NaOMe.
ChemInform Abstract: Crystal and Molecular Structure and Magnetic Properties of the Adducts of Copper(II) Hexafluoroacetylacetonate with the Nitroxide Ligand 2‐Phenyl‐4,4,5,5‐tetramethylimidazoline‐1‐oxyl 3‐Oxide.
Authors: GATTESCHI D. , LAUGIER J. , REY P. , ZANCHINI C.
Published: May 2016

Stable 1:1 and 1:2 adducts (yield in g) are isolated from the reaction of bis(hexafluoroacetylacetonato)copper(II) and the free radical ligand in pentane (20 min reflux).
ChemInform Abstract: Synthesis, Antitumor Activity, and X‐Ray Structure of Bis(imidazolium) (Imidazole)pentachlororuthenate(III), (ImH)2(RuImCl5).
Authors: KEPPLER B. K. , WEHE D. , ENDRES H. , RUPP W.
Published: May 2016

The water‐soluble, heterocycle‐coordinated title complex is prepared by an improved synthesis with 27% yield and is characterized by X‐ray structural analysis (space group Bm21b with Z=4).
ChemInform Abstract: Dirhodium Complexes with Axially and Equatorially Nonequivalent Rhodium Atoms. Characterization of Rh2(tcl)4(tclH) and Rh2(tcl)4(CO) (tcl = ω‐Thiocaprolactamate).
Authors: LIFSEY R. S. , CHAVAN M. Y. , CHAU L. K. , AHSAN M. Q. , KADISH K. M. , BEAR J. L.
Published: May 2016

The polar dirhodium complex (III) crystallizes in the space group P21/n with Z=4.
ChemInform Abstract: Synthesis and Characterisation of (N(PPh3)2)(RuRh5(CO)16) by X‐Ray Crystallography and by Natural‐Abundance Carbon‐13 Nuclear Magnetic Resonance Spectroscopy.
Authors: PURSIAINEN J. , PAKKANEN T. A. , SMOLANDER K.
Published: May 2016

The title cluster (I) is prepared by reaction of (Rh(CO)4)‐ with (Ru(CO)3Cl2)2 in THF followed by treatment with phosphoric acid and addition of N(PPh3)2Cl.
ChemInform Abstract: Synthesis of o‐Nitrophenylplatinum(IV) Complexes; Crystal and Molecular Structure of Dichlorobis(2‐nitrophenyl‐C′O)platinum(IV).
Authors: VICENTE J. , CHICOTE M.‐T. , MARTIN J. , JONES P. G. , FITTSCHEN C.
Published: May 2016

The oxidative addition of halogens or MeI to the Pt(II) complex (I) leads to the Pt(IV) trans‐complexes (II) and the cis‐complex (III).
ChemInform Abstract: Syntheses of Methyl‐4‐O‐(β‐D‐Curacosyl)‐α‐D‐curamicoside, the Glycoside of the Disaccharide Moiety E‐F of Flambamycin and Isomers.
Authors: THIEM J. , DUCKSTEIN V. , PRAHST A. , MATZKE M.
Published: May 2016

Silver triflate‐mediated condensation of (I) and (II) affords the disaccharide (IIIa) ‐ a derivative of the disaccharide moiety E‐F of flambamycin ‐ or its regioisomer (IIIb).
ChemInform Abstract: The Cyclization of the Di‐ and Tetraaldehydes Derived from Sucrose with Nitroalkanes.
Authors: HALE K. J. , HOUGH L. , RICHARDSON A. C.
Published: May 2016

The aldehydes (II) and (V) are obtained by oxidative cleavage of sucrose (I).
ChemInform Abstract: Nucleophilic Acylation of 3,4‐Dihydroisoquinolinium Salts. Diastereoselective Synthesis of the Protoberberine Alkaloid (.+‐.)‐Corydaline (IVa) and of Analogous Compounds.
Authors: TIETZE L. F. , BRILL G.
Published: May 2016

A series of nucleophilic acylations of salts of type (I) with lithiated enol ethers such as (II) are carried out leading to the corresponding adducts.
ChemInform Abstract: Synthesis of (.+‐.)‐Isoprosopinines A and B.
Authors: BIRKINSHAW T. N. , HOLMES A. B.
Published: May 2016

The bromoethylpiperidine (V), prepared as shown in the reaction scheme, is coupled with the sulfonylketones (IX), obtained from the hydrazones (VI), yielding the piperidine derivatives (X).
ChemInform Abstract: (2‐Cyano‐1,1‐dimethylethoxy)bis(diethylamino)phosphine: a Convenient Reagent for the Synthesis of DNA Fragments.
Authors: MARUGG J. E. , NIELSEN J. , DAHL O. , BURIK A. , VAN DER MAREL G. A. , VAN BOOM J. H.
Published: May 2016

The phosphitylating title reagent proves to be very effective for the in situ preparation of d‐nucleoside phosphoramidites.
ChemInform Abstract: Synthesis of a New Carbapenem with a 6‐Methyl Hydroxyacetate Side Chain.
Authors: HAEBICH D. + , HARTWIG W.
Published: May 2016

The carbapenem derivative (VII) is prepared from the oxiranedicarboxylic acid (I).
ChemInform Abstract: Thermal Stability and Acid Resistivity of Glasses Based on ZnO‐Al2O3‐SiO2.
Authors: SHIMBO M.
Published: May 2016

The glass formation range in the title system has been investigated and the acid (2.5% HNO3, 1% citric acid) resistivity of the (PbO stabilized) glasses has been determined by weight‐loss measurements.
ChemInform Abstract: Liquid‐Phase Bonding of Silicon Nitride Ceramics.
Authors: BAIK S. , RAJ R.
Published: May 2016

Dense Si3N4 ceramic pieces have been joined together by a liquid phase diffusion bonding mechanism using Mg‐Si‐O‐N glasses.
ChemInform Abstract: Superconductivity Above Liquid Nitrogen Temperature: Preparation and Properties of a Family of Perovskite‐Based Superconductors.
Authors: ENGLER E. M. , LEE V. Y. , NAZZAL A. I. , BEYERS R. B. , LIM G. , GRANT P. M. , PARKIN S. S. P. , RAMIREZ M. L. , VAZQUEZ J. E. , SAVOY R. J.
Published: May 2016

Single‐phase YBa2Cu3Oy and a variety of new, single‐phase high‐temp.
ChemInform Abstract: Photoinduced Oxygen Uptake in Aqueous Suspensions of ZnO.
Authors: DOMENECH J. , ANDRES M. , MUNOZ J.
Published: May 2016

The main source of O2 produced under UV irradiation in aqueous suspensions of ZnO containing Hg(II), Ag(I), and CrO42‐ ions as conduction band acceptors, is shown to be the water oxidation.
ChemInform Abstract: Magnetic Anisotropy Induced by Stress‐Annealing of Co‐Rich Amorphous Metals.
Authors: EHRHARDT A. , GONSER U.
Published: May 2016

The influence of the annealing parameters Ta, ta, σa and of the material constant λS (magnetostriction constant) on the magnetic anisotropy is investigated using the magnetoresistance method.
ChemInform Abstract: Preparation and Characterization of Carbon‐Based Fuel‐Cell Electrodes with Platinum‐Group Bimetallic Catalysts.
Authors: RAMESH K. V. , SARODE P. R. , VASUDEVAN S. , SHUKLA A. K.
Published: May 2016

It is demonstrated that carbon electrodes with platinum‐group bimetallic catalysts viz., Pt + Ru, Pt + Pd, and Pd + Ru, can show higher electrochemical activities than those of the individual components.
ChemInform Abstract: Electrochemical Dispersion of Pt Microparticles on Glassy Carbon (GC) Electrodes.
Authors: SHIMAZU K. , WEISSHAAR D. , KUWANA T.
Published: May 2016

It is investigated how the surface properties of GC affect the deposition and activity properties of electrodeposited Pt on GC electrodes.
ChemInform Abstract: Inhibition of Electrode Processes on Copper by AHT in Acid Solutions.
Authors: SCHULTZE J. W. , WIPPERMANN K.
Published: May 2016

AHT (3‐amino‐5‐heptyl‐1,2,4‐triazole), a very effective inhibitor of copper corrosion in neutral and acid solutions, is shown to affect the anodic oxidation of Cu strongly, whereas the cathodic O2 reduction is influenced to a lesser degree.
ChemInform Abstract: Preparation and Crystal Structure of Na3AuS2, a Thioaurate Containing Discrete Anions.
Authors: KLEPP K. O. , BRONGER W.
Published: May 2016

The title thioaurate is prepared by reacting stoichiometric amounts of Na2S, Au, and S at 600 °C. It crystallizes in a hitherto unknown structure type (R3c, Z = 6), which is characterized by discrete linear (S‐Au‐S)3‐ anions, oriented along (001).
ChemInform Abstract: Preparation of the Systems NixRu1‐xS2 (I), FexRu1‐xS2 (II), CrxRu1‐xS2 (III), and MnxRu1‐xS2 (IV) with Pyrite‐Type Structure
Authors: BELLALOUI A. , MOSONI L. , ROUBIN M. , VRINAT M. , LACROIX M. , BREYSSE M.
Published: May 2016

by sulfuration of mixtures of the corresponding hydroxides or of complexes.
ChemInform Abstract: Macrocyclic Nickel(II) Complexes: Spectroscopic Studies and Crystal Structure of Bis(difluoroboron‐α‐furilglyoximato)nickel(II).
Authors: HUSSAIN M. S. , EL‐FAER M. Z. , KHAN A. , SCHLEMPER E. O.
Published: May 2016

The title complex (I) is prepared by macrocyclization of its corresponding uncyclized hydrogen‐bonded precursor with BF3·OEt2 in methylene chloride (no yield given).
ChemInform Abstract: Preparation and Hydrogen Bonding Studies of Phenylhydrazone Derivatives of Alloxan: Crystal and Molecular Structure of Pyrimidine‐2(1H),4(3H),5,6‐tetraone 5‐(2‐Nitrophenyl)hydrazone.
Authors: BEATON H. G. , WILLEY G. R. , DREW M. G. B.
Published: May 2016

The title hydrazone (IIIa) (P21/a with Z=4) is prepared from barbituric acid (I) and the diazonium salt (II).
ChemInform Abstract: An ab initio Study on (C5H5V)2C8H8.
Authors: LUETHI H. P. + , BAUSCHLICHER C. W. JUN.
Published: May 2016

The metal‐metal bonding in the μ‐cyclooctatetraene title compound is investigated by using ab initio SCF wave functions.
ChemInform Abstract: Addition of Arylsulphonylcarbenes to Benzene.
Authors: BARTNIK R. , WAWRYNKO K.
Published: May 2016

Contrary to previous findings of Abramovitch et al. (1977) the carbenes formed in the thermolysis of the diazomethanes (I) add to benzene (II) giving the corresponding cycloheptatrienes (III) which decompose at < 150 °C and are sensitive to even weak acids.
ChemInform Abstract: 1,5‐Dicarbonyl Compounds via Michael‐Addition of Deprotonated Enamines and Allylamines to 2‐(N‐Methylanilino)acrylonitrile.
Authors: AHLBRECHT H. , DIETZ M. , WEBER L.
Published: May 2016

Coupling of the anions (I), obtained from enamines or allylamines by metalation, with 2‐(N‐methylanilino)acrylonitrile (II), followed by alkylation and hydrolysis, yields the 1,5‐dicarbonyl compounds (VI) via the aminocyanoenamines (V) (R1: ‐Ph).
ChemInform Abstract: A Stereospecific Synthesis of All Four Isomers of 9,11‐Tetradecadienyl Acetate Using a General Method Applicable to 1,3‐Dienes.
Authors: BJOERKLING F. + , NORIN T. , UNELIUS C. R. , MILLER R. B.
Published: May 2016

Silylation of the acetylene (Ia) produces (Ib) which is reduced to give the Z‐vinylsilane (IIa).
ChemInform Abstract: Facile Synthesis of Ethyl 3,3‐Difluoroacrylate from Dibromodifluoromethane and Diels‐Alder Cycloaddition with Furan.
Authors: LEROY J. , MOLINES H. , WAKSELMAN C.
Published: May 2016

Starting with ethyl vinyl ether (I) and dibromodifluoromethane (II), the title compound (VI) is synthesized as outlined in the reaction scheme in 36% overall yield.
ChemInform Abstract: Reaction of Diazoalkanes with Unsaturated Compounds. Part 4. Cyclopropanation of Vinyl and Allyl Halides with Diazomethane in the Presence of a Cuprous Chloride Triphenyl Phosphite Complex.
Authors: DOLGII I. E. , SHAVRIN K. N. , NEFEDOV O. M.
Published: May 2016

The vinyl chlorides (I), prepared from the corresponding cyclopropylketones, react with diazomethane in the presence of the copper complex (II) to give the chlorocyclopropylcyclopropanes (III).
ChemInform Abstract: A Simple Synthesis of 1‐Aminocyclopropane‐1‐carboxylic Acid.
Authors: STRAZEWSKI P. , TAMM C.
Published: May 2016

The title compound (V) is prepared from the L‐glutamic acid derivative (I) in a sequence of four reaction steps.
ChemInform Abstract: Synthesis of Configurationally Stable Allylic Sulfoxides via Diastereoselective Oxidation.
Authors: ANNUNZIATA R. , CINQUINI M. , COZZI F. , FARINA S. , MONTANARI V.
Published: May 2016

MCPBA oxidation of the sulfide (IIIa) yields the title sulfoxide (IV) which is configurationally stable at 20‐60 °C and epimerizes at 90 °C to give a 92/8 mixture of the sulfoxides (IV)/(V).
ChemInform Abstract: A One‐Pot Synthesis of 3α‐Halohydrazides from α,α‐Dicyano Epoxides.
Authors: LEGREL P. , BAUDY‐FLOC'H M. , ROBERT A.
Published: May 2016

The α‐halohydrazides (III) are obtained from the α,α‐dicyano epoxides (I) by treatment with equimolar amounts of the hydrazine hydrohalides (II).
ChemInform Abstract: The Synthesis of 1,6‐Methano‐(12)‐, ‐(18)‐, ‐(20)‐, ‐(22)‐, and ‐(24)‐ annulenes.
Authors: YAMAMOTO K. , KURODA S. , NOZAWA Y. , FUJITA S. , OJIMA J.
Published: May 2016

Reductive cyclization of the unsaturated dialdehydes (Ia) ‐ (Id) produces moderate yields of the 1,6‐methanoannulenes (IIa) ‐ (IId).
ChemInform Abstract: Novel Type of the Favorskii Rearrangement Combined with Aldol Reaction Leading to γ‐Butyrolactone Derivatives.
Authors: SAKAI T. , YAMAWAKI A. , KATAYAMA T. , OKADA H. , UTAKA M. , TAKEDA A.
Published: May 2016

The reaction of the aromatic aldehydes (I) with the chloroketone (II) in 14% ethanolic KOH affords the lactones (III) as major or exclusive products.
ChemInform Abstract: Structure and Reactivity of Isoannellated Heterocyclic Systems with 4nπ‐ and (4n + 2)π‐Electrons. Part 12. 2‐tert‐Butyl‐4‐methyl‐2,4‐dihydropyrrolo(3,4‐b)indoles: Tricyclic Hetarenes with Isoannellated Pyrrole Rings.
Authors: KREHER R. P. , DYKER G.
Published: May 2016

The tricyclic compounds (I) and (II), readily available from simple chemicals by standard methods, can be used for the synthesis of the desired title compound (IIIa).
ChemInform Abstract: The Dimerization of Methallyl Alcohol. A Case Study of Novel Asynchronicity in the Ene Reaction.
Authors: GAD EL KARIM I. A. , MOTHERWELL W. B.
Published: May 2016

Methallyl alcohol (I) dimerizes in the presence of potassium hydroxide to produce a mixture of the lactols (II) and (III) which is oxidized, yielding the lactones (IV) and (V).
ChemInform Abstract: Synthesis of New Hetero‐Annulated Coumarins: 2,3‐Dihydro‐4‐oxothiapyrano(2,3‐c)benzopyran‐3‐ones, 4‐Oxothiapyrano(2,3‐c)‐1‐benzopyran‐2‐ones, and 2‐Oxo‐3,4‐dihydrobenzopyrano(4,3‐b)‐4‐piperidones.
Authors: VAN DEN GOORBERGH J. A. M. , VAN DER STEEG M. , VAN DER GEN A.
Published: May 2016

Treatment of the coumarin derivatives (I) with hydrogen sulfide yields the dihydrothiopyranobenzopyran derivatives (II).
ChemInform Abstract: Synthesis of Tris(ethylenedithio)benzene, Tris(methylenedithio)benzene, and Tris(ethyleneoxythio)benzene as Candidates for the Preparation of Organic Ferromagnets.
Authors: LAPOUYADE R. , MORAND J.‐P.
Published: May 2016

The heterocycles (VII), (VIII), and (XII) are prepared from the chlorides (I) and (X) or the phenols (IX) as shown in the reaction scheme.
ChemInform Abstract: A Facile Method for the Preparation of 2‐Substituted Pyrimidin‐4(3H)ones by a Retro‐Diels‐Alder Reaction.
Authors: STAJER G. , SZABO A. E. , BERNATH G. , SOHAR P.
Published: May 2016

Reaction of the β‐lactam (I) with the carboximidic esters (II) gives the tricyclic dihydropyrimidones (III) which are cleaved in a retro‐ Diels‐Alder reaction to yield the pyrimidones (IV).
ChemInform Abstract: Synthesis of 1,8‐Naphthyridine Derivatives. Potential Antihypertensive Agents. Part 2.
Authors: DA SETTIMO A. , FERRARINI P. L. , MORI C. , PRIMOFIORE G. , SUBISSI A.
Published: May 2016

The piperazinylnaphthyridines (I) undergo several conversions to yield the N‐substituted derivatives (III) and (IV).
ChemInform Abstract: 3,5‐Diamino‐1,2,6‐thiadiazine 1,1‐Dioxide Derivatives: Synthesis and Antiparasitic Activity.
Authors: ARAN V. J. , BIELSA A. G. , GOYA P. , OCHOA C. , PAEZ J. A. , STUD M. , CONTRERAS M. , ESCARIO J. A. , JIMENEZ M. I. , DURAN E. A. , PUEYO DE LA CUESTA C.
Published: May 2016

The thiadiazine 1,1‐dioxides (III) and (IVb) ‐ (IVe) are prepared from (I) or (IVa) by simple substitution reactions.
ChemInform Abstract: 1H‐Azepin‐3(2H)‐ones.
Authors: MCNAB H. , MONAHAN L. C.
Published: May 2016

Some conversions of the azepinones (I) are performed as outlined in the reaction scheme.
ChemInform Abstract: Thermal Cyclization Reactions of Vinylogous Aminomethylene Meldrum′s Acid Derivatives.
Authors: MCNAB H. , MONAHAN L. C. , GRAY T.
Published: May 2016

The azepinones (II) are prepared by thermolysis of the enamines (I).
ChemInform Abstract: Synthesis and Chiral Recognition of an Optically Active Bis‐Crown Ether Incorporating a Diphenanthrylnaphthalene Moiety as the Chiral Centre.
Authors: YAMAMOTO K. , YUMIOKA H. , OKAMOTO Y. , CHIKAMATSU H.
Published: May 2016

The diol (III), prepared by oxidative coupling of the phenanthrol (I) with the naphthol (II), is transformed into the optically active bis‐ crown ether (IV).
ChemInform Abstract: Perchlorophenyl‐Silicon Compounds. Crystal and Molecular Structure of Perchlorotriphenylsilane.
Authors: FAJARI L. , JULIA L. , RIERA J. , MIRAVITLLES C. , MOLINS E.
Published: May 2016

The tris(pentachlorophenyl)halosilanes (IV) and (VI) are synthesized by arylation of trichlorosilane (II) and subsequent halogenation of tris‐(pentachlorophenyl)silane (III).
ChemInform Abstract: Utilization of the ArH‐PCl3‐AlCl3 Reaction Product as the Source of Phosphorus in the Phosphetane Synthesis of McBride, et al.
Authors: YAO E. , SZEWCZYK J. , QUIN L. D.
Published: May 2016

The one‐pot reaction of the arenes (I) with phosphorus trichloride, aluminum chloride and subsequently with the branched alkenes (III) yields the phosphetane derivatives (IV).
ChemInform Abstract: 1,3,4‐Diazaphosphorin from N‐Acetylurea.
Authors: ROZINOV V. G. , DMITRICHENKO M. YU. , DONSKIKH V. I. , DOLGUSHIN G. V. , FESHIN V. P.
Published: May 2016

N‐Acetylurea (I) reacts with phosphorus pentachloride to give the diazaphosphorin (II).
ChemInform Abstract: Metathesis of N‐Silyl Compounds with Selenenyl Chlorides. First Preparation of a Selenenyl Azide and a Triselenenamide.
Authors: BACK T. G. , KERR R. G.
Published: May 2016

The arylselenenyl chlorides (I) react with trimethylsilyl azide (II) to yield the arylselenenyl azides (III).
ChemInform Abstract: Trichloroacetylmercuration of Benzene and Its Derivatives.
Authors: VOLOSHCHUK V. G. , ONISHCHENKO N. A. , ESIPOV G. V. , SHARAV'EVA E. D.
Published: May 2016

Reaction of trichloroacetic acid (I) with yellow mercuric oxide in the presence of the aromatic hydrocarbons (II) gives the arylmercury trichloroacetates (III) which are transformed into the halides (IV).
ChemInform Abstract: Configuration and Lattice Dynamics of Complexes of Dialkyltin(IV) with Adenosine 5′‐Monophosphate and Phenyl Phosphates.
Authors: BARBIERI R. , ALONZO G. , HERBER R. H.
Published: May 2016

The dialkyltin(IV) complexes (I) and (II) are prepared by 1:1 molar reaction of SnR2Cl2 with AMP in the presence of NaHCO3 or with Na2PO3(OPh) in aqueous solution (no yields given).
ChemInform Abstract: Electrophilic Substitution in (Arene)tricarbonylchromium Complexes. Part 1.
Authors: VON ROSENBERG J. L. , PINDER A. R.
Published: May 2016

Reaction of the arenes (I) with Cr(CO)6 (II) leads to the chromium complexes (III), which undergo Friedel‐Crafts acetylation to give the products shown in the scheme.
ChemInform Abstract: Syntheses and Spectroscopic Studies on Dioxouranium(VI), Oxovanadium(IV) and Oxozirconium(IV) Complexes with Tetradentate Macrocyclic Ligands.
Authors: YADAVA H. D. S. , SENGUPTA S. K. , TRIPATHI S. C.
Published: May 2016

The macrocyclic ligands (I) are prepared by reaction of benzil or diacetyl in EtOH with a refluxing solution of carbo‐ or thiocarbohydrazide in aqueous EtOH.
ChemInform Abstract: Oligophosphine Ligands. Part 23. Synthesis and Chemistry of the Metallacyclic Iron Complex (Me2P(CH2)3)2P(CH2)3P(Me)CH2‐FeH.
Authors: ANTBERG M. , DAHLENBURG L.
Published: May 2016

Reduction of compound (Ia) with lithium dust yields the title complex (IIa), which is converted to the derivatives (Ib), (IIb), (V), (VI) and (IX).
ChemInform Abstract: Complexes of Some Trace Metal Ions with 5‐Fluorouracil.
Authors: SINGH U. P. , GHOSE R. , GHOSE A. K.
Published: May 2016

The title complexes (I) are prepared by reaction of the metal nitrates with the ligand in EtOH followed by addition of NaOH solution.
ChemInform Abstract: Formation and Scission of the Imidazolate Bridge Linkage in Binuclear Copper(II) Complex with Glycylglycine as a Function of pH in Aqueous Solution.
Authors: SATO M. , IKEDA M. , FUKUDA M. , IKEDA T. , NAKAYA J.
Published: May 2016

The formation and scission of the imidazolate‐bridge linkage in the binuclear Cu(II) complex (I) are studied in aqueous solutions as a function of pH.
ChemInform Abstract: Zeolite Supported Rhodium Carbonyls from Rh(allyl)3 and Their Use as 1‐Hexene Hydroformylation Catalysts.
Authors: TAYLOR D. F. , HANSON B. E. , DAVIS M. E.
Published: May 2016

Rh has been introduced to protonated zeolite Y (HY) and partially protonated zeolite Y (5% HNaY) as the tris(allyl) complex Rh(C3H5)3.
ChemInform Abstract: Metal Complexes Containing the Monoanion, Dianion and the Neutral Form of the Ligand N‐(2‐Carboxylphenyl)pyridine‐2′‐carboxamide.
Authors: HONDRELLIS V. , KABANOS T. , PERLEPES S. P. , TSANGARIS J. M.
Published: May 2016

A variety of new complexes of the title ligand exhibiting a wide range of different structures are prepared by reaction of the ligand with the metal salt in water at pH 6.0‐6.5 (applied for (I), (II), (IV) and (VI)) or pH 10.0‐10.5 (applied for (V) and (VII)) or in absolute EtOH (applied for (III), (VIII) and (IX)).
ChemInform Abstract: 1‐Morpholino‐ and 1,8‐Dimorpholinonaphthalene: Coupling Components for New Azo Disperse Dyes.
Authors: AYYANGAR N. R. , LUGADE A. G. , MOGHE P. P.
Published: May 2016

The azo dyes (VII) and (VIII) are prepared by coupling the diazotized amines (VI) to the morpholino‐naphthalenes (III) and (V) respectively, as outlined in the reaction scheme.
ChemInform Abstract: Conversion of Corticoidal Side Chain of Steroids into a 1′,3′,4′‐Oxadiazine Ring E.
Authors: KAMERNITSKII A. V. , TURUTA A. M. , KOROBOV A. A. , ISTOMINA Z. I.
Published: May 2016

The side chain of the carboethoxyhydrazones (I) and (IV) is transformed into an oxadiazinone ring, the latter being β‐oriented to the D ring.
ChemInform Abstract: Stereoselective Synthesis of α‐D‐Glucopyranosides via 6‐Silyl‐α‐D‐glucopyranosyl Bromides.
Authors: FEI C. P. , CHAN T. H.
Published: May 2016

The anhydroglucopyranose (I) is cleaved with trimethylsilyl bromide to give the glucopyranosyl bromide (II).
ChemInform Abstract: Sedum Alkaloids. Part 10. Structure and Synthesis of New 3‐ and 5‐Hydroxypiperidine Alkaloids.
Authors: IBEBEKE‐BOMANGWA W. , HOOTELE C.
Published: May 2016

The absolute configurations of (‐)‐3‐hydroxynorallosedamine (Ia), (‐)‐3‐hydroxyallosedamine (Ib) (both: 2S,3R,8S) and (‐)‐5‐hydroxysedamine (II) (2S,5S,8S), constituents of Sedum acre, are deduced from their spectral data.
ChemInform Abstract: Synthetic Routes to the Piperolides, Fadyenolides, Epoxypiperolides, and Related Compounds.
Authors: PELTER A. , AL‐BAYATI R. I. H. , AYOUB M. T. , LEWIS W. , PARDASANI P. , HANSEL R.
Published: May 2016

The piperolides (IV)‐(VII) and the epoxypiperolides (IX)‐(XI) are prepared as shown in the scheme.
ChemInform Abstract: Synthesis of 2‐Acetoxy‐3,7‐dimethylpentadecane (Diprionyl Acetate) Using Two Sigmatropic Rearrangements.
Authors: SEREBRYANKOV E. P. , GAMALEVICH G. D.
Published: May 2016

Starting with 1‐decene (I), the heptadecanyl acetate (XI) is prepared as shown in the reaction scheme.
ChemInform Abstract: Theory and Experiment in Concert: Evidence for a Stable Ammoniaborene Dication (H3NBH2+).
Authors: DREWELLO T. , KOCH W. , LEBRILLA C. B. , STAHL D. , SCHWARZ H.
Published: May 2016

High level ab initio calculations have been used to investigate the potential energy surfaces of the mono‐ and dications of aminoborane and ammoniaborene.
ChemInform Abstract: Study of the Electronic Structure of UBr4 Using X‐Ray Photoelectron Spectroscopy.
Authors: ALLEN G. C. , TYLER J. W.
Published: May 2016

The XPS spectrum of UBr4 has been investigated with emphasis on the U 5f peak intensity, U 5f bonding band separation, U 4f binding energy, and satellite‐metal 4f peak separations and intensities.
ChemInform Abstract: Photogeneration of Hydrogen from Water over an Alumina‐supported ZnS‐CdS Catalyst.
Authors: KOBAYASHI J. , KITAGUCHI K. , TANAKA H. , TSUIKI H. , UENO A.
Published: May 2016

It is demonstrated that the rate of H2 photogeneration from H2O using a mixed semiconductor catalyst (ZnS‐CdS/Al2O3 prepared by a coimpregnation method or by sequential deposition) is much higher than those obtained by using singly supported catalysts or a physical mixture of these singly supported catalysts.
ChemInform Abstract: Reaction of Iodine Pentafluoride with Sulfur Trioxide.
Authors: CERNIK M.
Published: May 2016

Dependent on the molar ratio used the exothermic reaction of the title compounds in liquid SO2 or SO2FCl yields three fluorosulfates (III).
ChemInform Abstract: The Reaction of Boron Trifluoride with Sulfur Dioxide
Authors: TOUZIN J.
Published: May 2016

at 20 °C and at molar ratios of 1.5:1, 1:1, and 1:1.5, resp., has been investigated by using 11B and 19F NMR as well as Raman spectroscopy.
ChemInform Abstract: A New Oxoplumbate(IV), CsNa3(PbO4),
Authors: STOLL H. , HOPPE R.
Published: May 2016

has been prepared by heating intimate mixtures of the binary oxides (Cs:Na:Pb = 1.1:3.2:1; closed Ag‐cylinder, Supremax‐glass‐ampoule; 600 °C, 20 d (single crystals)).
ChemInform Abstract: Cs3Mo5P6O25, a New Molybdophosphate Containing a Cubane‐like Mo4O4 Cluster with Six Mo‐Mo Bonds,
Authors: LII K.‐H. , HAUSHALTER R. C. , O'CONNOR C. J.
Published: May 2016

is obtained as outlined in the scheme (no yield given).
ChemInform Abstract: Syntheses of New Uranium Complexes Cl2U(π‐S4N4) and (C5H5)3UClAlCl3·THF.
Authors: CHANG C. C. , SUNG‐YU N. K. , KANG C. W. , CHANG C. T.
Published: May 2016

The title complexes have been prepared as shown in the scheme.
ChemInform Abstract: Ferromagnetic Alternating Spin Chains.
Authors: CANESCHI A. , GATTESCHI D. , LAUGIER J. , REY P.
Published: May 2016

By the reaction of the Cu(II) complex (I) with the nitronyl nitroxide (II) the chain complex (III) (no yield given) is obtained which crystallizes in the space group P1 with Z=2.
ChemInform Abstract: Chromatographic Resolution, Chiroptical Properties and Absolute Chirality of Pentacyclo(7.4.1.12,7.01,9.02,7)pentadeca‐3,5,10,12‐tetraen‐8‐one, a Pentacyclic Cyclopentanone Derivative with C2‐Symmetry.
Authors: MEYER A. , SCHLOEGL K. + , SCHWAGER H.
Published: May 2016

After four cycles of resolution by medium‐pressure (1.4 bar) liquid chromatography on microcrystalline triacetylcellulose in EtOH, pure enantiomers of the title compound are obtained ((α)20 D + and ‐330°, resp., in EtOH) and their CD spectra recorded.
ChemInform Abstract: Calcium‐diazido‐di‐dimethylformamide, Ca(N3)2(OCHN(CH3)2)2, Preparation and Crystal Structure.
Authors: TAEB A. , KRISCHNER H. , KRATKY CH.
Published: May 2016

The reaction of the components yields the title complex (no yield given), which crystallizes in the space group Cmca with Z = 8. The Ca atoms are coordinated by terminal N atoms of the azide groups and by O atoms of DMF.
ChemInform Abstract: Reactions of Diisopropyl Tartrate Modified Allyl‐ and (E)‐ and (Z)‐Crotylboronates with β‐Alkoxy‐α‐methylpropionaldehydes: A Reagent Based Solution to the Acyclic Dipropionate Problem.
Authors: ROUSH W. R. , PALKOWITZ A. D. , PALMER M. A. J.
Published: May 2016

Reactions of the chiral reagents (Ia) and (Ib) with the aldehydes (II) yield the compounds (III) ‐ (VI).
ChemInform Abstract: Vinyl Azides in Heterocyclic Synthesis. Part 6. Synthesis of Isoquinolines by Intramolecular Aza‐Wittig Reaction.
Authors: HICKEY D. M. B. , MACKENZIE A. R. , MOODY C. J. , REES C. W.
Published: May 2016

The title reaction is studied for the vinyl azides (I), (IV) and (VI) and yields the desired N‐heterocycles of type (II) or (III), (V) and (IX).
ChemInform Abstract: Acrolein Acetals as Allyl Cation Precursors in the Ionic Diels‐Alder Reaction.
Authors: GASSMAN P. G. , SINGLETON D. A. , WILWERDING J. J. , CHAVAN S. P.
Published: May 2016

The acetal (I) of acrolein serves as an excellent dienophile for Diels‐Alder reactions as shown for the examples (II), (IV), (VI) and (VIII).
ChemInform Abstract: Preparation of Unsaturated α‐Chloro Acids and Intramolecular (2 + 2) Cycloadditions of the Chloroketenes Derived from Them.
Authors: SNIDER B. B. , KULKARNI Y. S.
Published: May 2016

The preparation of unsaturated α‐chloro acids is accomplished in a single step by chlorination of the intermediate acid dianion.
ChemInform Abstract: p‐Nitrobenzoate Esters of Epoxy Alcohols: Convenient Synthons for Water‐Soluble Epoxy Alcohols.
Authors: KO S. Y. , MASAMUNE H. , SHARPLESS K. B.
Published: May 2016

The nitrobenzoates (I), derived from epoxy alcohols, react with various nucleophiles (II) to produce the alcohols (III) and (IV).
ChemInform Abstract: A New Rearrangement Under the Conditions of the Wittig‐Olefination.
Authors: BOES M. + , FLEISCHHACKER W.
Published: May 2016

When heated with the ylide derived from (II), the dienone (I) yields a rearranged Wittig product (III).
ChemInform Abstract: Modified Photobehavior of Carboxylic Acid Derivatives Induced by Protonation.
Authors: AMAT A. M. , ASENSIO G. , CASTELLO M. J. , MIRANDA M. A. , SIMON‐FUENTES A.
Published: May 2016

Protonation of trans‐crotonic acid (I) with H2SO4 or oleum results in the formation of the O‐protonated species (II) or of the acylium ion (IV); on photolysis both of these undergo trans/cis isomerization to give (III) or (V).
ChemInform Abstract: Hydroboration. Part 80. Preparation of (trans‐2‐Phenylcyclopentyl)‐ and (trans‐2‐Phenylcyclohexyl)boronates of Very High Enantiomeric Purities.
Authors: BROWN H. C. , PRASAD J. V. N. V. , GUPTA A. K. , BAKSHI R. K.
Published: May 2016

The optical purities of the trans‐alcohols (V) and (VII) reported in the literature have been corrected.
ChemInform Abstract: A Rapid and Efficient Method for the Fluoroalkylation of Amines and Amides. Development of a Method Suitable for Incorporation of the Short‐Lived Positron Emitting Radionuclide Fluorine‐18.
Authors: CHI D. Y. , KILBOURN M. R. , KATZENELLENBOGEN J. A. , WELCH M. J.
Published: May 2016

The fluoroalkyl halides (II) and (V) are synthesized as shown in the reaction scheme.
ChemInform Abstract: Stereospecific Palladium‐Catalyzed Coupling Reactions of Vinyl Iodides with Acetylenic Tin Reagents.
Authors: STILLE J. K. , SIMPSON J. H.
Published: May 2016

The Pd‐catalyzed coupling of alkenyl iodides (II), (V), or (VII) with alkynylstannanes such as (I) takes place under mild conditions, stereospecifically and chemoselectively, to give high yields of the products (III), (V), (VI), or (VIII).
ChemInform Abstract: Carbonylation in Benzyl Alcohol. A New and Easy Method for the Preparation of Aromatic Benzyl Esters.
Authors: HUTH A. , BEETZ I. , SCHUMANN I. , THIELERT K.
Published: May 2016

The title reaction of the iodides (IIa) and (V) yields the esters (IIb) and (VI) (no yield given), respectively.
ChemInform Abstract: Preparation and Pyrolysis of Stereoisomeric Bromobicyclo(n.1.0)alkanes (n = 6, 8, 10).
Authors: DEHMLOW E. V. , KRAMER R.
Published: May 2016

The pyrolysis of the title compounds (IIa), (IIIa) or (Va) at 500 °C yields the bromide (VI) which, at higher temperatures, is slowly converted to the diene (VII).
ChemInform Abstract: The Protonated Cyclopropane Route to Bicyclic Cations.
Authors: KIRMSE W. , STREU J.
Published: May 2016

The protolytic cleavage of the tricyclic hydrocarbons (I), (III), (VIII), and (XVI) is investigated.
ChemInform Abstract: Aliphatic C‐H, N‐Insertion versus Aromatic N‐Substitution in the Reaction of Arylnitrenium‐Boron Trifluoride Complexes with Methylated Benzenes.
Authors: SPAGNOLO P. , ZANIRATO P.
Published: May 2016

Boron trifluoride etherate‐induced decomposition of the aryl azides (I) in toluene produces mixtures of the isomeric diarylamines (III) and (IV), the arylbenzylamines (V), and the anilines (VI).
ChemInform Abstract: Ruthenium Tetroxide Oxidation of N‐Acylated Alkylamines: A New General Synthesis of Imides.
Authors: TANAKA K. , YOSHIFUJI S. , NITTA Y.
Published: May 2016

The imides (II), (IV), (VI), and (VIII) are prepared by oxidation of the N‐acylalkylamines (I), (III), (V), and (VII) with ruthenium tetroxide.
ChemInform Abstract: Preparation and Reactions of a Vinyl Carbanion Derived from an Oxygenated Vinyl Sulfone.
Authors: SIMPKINS N. S.
Published: May 2016

Treatment of the acetal (I) with butyllithium results in the selective eliminaton of methanol, followed by metalation to give the vinyl carbanion (III).
ChemInform Abstract: Stereoselectivity in the Synthesis of 2,5‐Disubstituted Pyrrolidines.
Authors: KINSMAN R. , LATHBURY D. , VERNON P. , GALLAGHER T.
Published: May 2016

The allenic amine derivatives (II), prepared from the protected amino ester (I), undergo Ag(I)‐catalyzed cyclization to form a cis/trans‐mixture of the disubstituted pyrrolidines (III).
ChemInform Abstract: Rapid Access to a Series of Highly Functionalized α,β‐Unsaturated Cyclopentenones. A Caveat on Aminospirocyclization.
Authors: CONRAD P. C. , KWIATKOWSKI P. L. , FUCHS P. L.
Published: May 2016

The aminopropylcyclopentenone (IX) is prepared from the o‐bromobenzaldehyde (I) as outlined in the reaction scheme.
ChemInform Abstract: Synthesis of Furo(3′,2′:5,6)pyrido(1,2‐a)benzimidazole Derivatives and Their Fluorescence Properties.
Authors: RAJADHYAKSHA D. D. , RANGNEKAR D. W.
Published: May 2016

The desired compounds (IV) are synthesized as shown in the scheme.
ChemInform Abstract: Studies in Vilsmeier‐Haack Reaction: Synthesis of Naphthalene and Phenanthrenes with Benzoxazolyl Substituent.
Authors: BHUMGARA S. K. , SESHADRI S.
Published: May 2016

The title reaction A) represents the first step in the synthesis of the desired title compounds (III), (VI) and (VIII) from the benzoxazoles (I), (V) and (VII), respectively.
ChemInform Abstract: Synthesis of a New Series of 4‐Pyrones.
Authors: MAREI M. G. , MISHRIKEY M. M. , EL‐KHOLY I. E.
Published: May 2016

Reaction of the pyranone (Ia) with NBS results in bromination of the side‐chain to give the derivative (Ib).
ChemInform Abstract: Synthesis of 4‐Halotetrahydropyrans from Allylsilanes and Carbonyl Compounds in the Presence of Lewis Acids.
Authors: COPPI L. , RICCI A. , TADDEI M.
Published: May 2016

Trimethylallylsilane (I) reacts with the aldehydes (II) in the presence of the aluminum trihalides (III) to form the intermediates (IV), which are cyclized in the presence of further (II), producing the symmetrical (V) or the asymmetrical 4‐halotetrahydropyrans (VI).
ChemInform Abstract: Synthesis of 2‐Hydroxy‐3‐(ethoxycarbonyl)‐1,2,3,4‐tetrahydro‐β‐carbolines from N‐Hydroxytryptophans. An Approach to the Eudistomin Series.
Authors: PLATE R. , VAN HOUT R. H. M. , BEHM H. , OTTENHEIJM H. C. J.
Published: May 2016

The tryptophan esters (I) react with the acetals (II) or the aldehydes (IV) to form the annulation products (III) and (V).
ChemInform Abstract: Cycloadditions in Syntheses. Part 32. Intramolecular Photocycloaddition of 4‐(ω‐Alkenyloxy)quinolin‐2(1H)‐one: Synthesis of 2‐Substituted Cyclopenta(c)quinolin‐3(4H)‐ones.
Authors: KANEKO C. , SUZUKI T. , SATO M. , NAITO T.
Published: May 2016

Irradiation of the allyloxyquinolones (I) results in the formation of the cross adducts (II).
ChemInform Abstract: Studies on Syntheses and Reactions of Methoxypyridazines. Part 1. Methoxylation of 3,4,5‐Trichloropyridazine.
Authors: NAGASHIMA H. , ODA H. , HIDA J. , KAJI K.
Published: May 2016

The methoxypyridazines (II), (V), (VI), (VIII), and (X) are prepared from the corresponding chloropyridazines by treatment with sodium methoxide.
ChemInform Abstract: Saturated Heterocycles. Part 86. Synthesis of Partially Saturated Dipyrido(1,2‐a:4,3‐d)pyrimidin‐11‐ones via Catalytic Hydrogen‐Transfer Reaction.
Authors: FUELOEP F. + , HUBER I. , DOMBI G. , BERNATH G.
Published: May 2016

The title reaction of the compounds (III) leads to the products (IV)‐(VI).
ChemInform Abstract: Synthesis and Reactions of 2,3‐Dihydrothiazolo(3,2‐a)pyrimidine Derivatives.
Authors: KINOSHITA T. , UESHIMA Y. , SAITOH K. , YOSHIDA Y. , FURUKAWA S.
Published: May 2016

2‐Amino‐2‐thiazoline (I) and the alkynecarboxylates (II) undergo cyclization to give the dihydrothiazolopyrimidinones (III), which are converted to the derivatives (IV), (V), and (XIII).
ChemInform Abstract: Synthesis and Reactivity of Polyamines. Part 3. 2,5‐Bis‐ω‐aminoalkylpyrazines and Piperazines.
Authors: RAJAPPA S. , SREENIVASAN R.
Published: May 2016

On catalytic reduction according to A), the nitroenamines (I) and (III) afford the pyrazines (II) and (IV), respectively.
ChemInform Abstract: Reactions of 3‐Hydrazino‐5,6‐diphenyl‐1,2,4‐triazine with α,β‐Bifunctional Compounds.
Authors: ZAHER H. A. , ABDEL‐RAHMAN R. M. , ABDEL‐HALIM A. M.
Published: May 2016

The title compound reacts with various α,β‐bifunctional compounds to give rise to formation of heterobicyclic systems in good to excellent yields.
ChemInform Abstract: Syntheses and Chemistry of Some Dibenz(c,e)azepines.
Authors: WEITZBERG M. , ABU‐SHAKRA E. , AZEB A. , AIZENSHTAT Z. , BLUM J.
Published: May 2016

The synthesis of the dibenzazepines (VI) is achieved by two routes outlined in the reaction scheme.
ChemInform Abstract: An Expedient Synthesis of 3‐Amino‐1,3‐dihydro‐5‐phenyl‐2H‐1,4‐benzodiazepin‐2‐ones.
Authors: BOCK M. G. , DIPARDO R. M. , EVANS B. E. , RITTLE K. E. , VEBER D. F. , FREIDINGER R. M.
Published: May 2016

The 3‐aminobenzodiazepinone (VI) is prepared from 2‐aminobenzophenone (I) via the intermediates (III) ‐ (V).
ChemInform Abstract: 4:7,10:13‐Diepoxy‐1‐aza(16)annulene and 3:6,9:12,15:18‐Triepoxy‐2‐chloro‐1‐aza(18)annulene as the First Examples of Oxygen‐Bridged Aza‐(4n)‐ and ‐(4n+2)‐annulenes.
Authors: OGAWA H. , KUMEMURA M. , IMOTO T. , MIYAMOTO I. , KATO H. , TANIGUCHI Y.
Published: May 2016

The annulenone oximes (III) and (VIIIb) undergo the Beckmann rearrangement to yield the compounds (V), (VI) and (IX) mentioned in the title.
ChemInform Abstract: Twin γ‐Silicon Effects in 1‐Bromoadamantane Solvolysis.
Authors: GROB C. A. , SAWLEWICZ P.
Published: May 2016

The influence of the trimethylsilyl substituent on the solvolysis rate of 1‐bromoadamantanes (I) is determined.
ChemInform Abstract: Organo‐Element Derivatives of Furan. Part 62. Reactivity and Molecular Structure of 2‐Furylhydrosilanes.
Authors: ERCHAK N. P. , ZIATDINOVA R. N. , LITVINOV O. A. , NAUMOV V. A. , LUKEVITS E.
Published: May 2016

The hydrolysis of tris(2‐furyl)silane (I) in aqueous dimethylformamide solution gives the disiloxane (II).
ChemInform Abstract: Dimethylaminophosphonium Salts.
Authors: GLOEDE J. , WASCHKE R.
Published: May 2016

The appropriate amides R1R2PNMe2 and chlorides R1R2PCl react with N‐chloro‐dimethylamine or with chlorine to give the phosphonium chlorides (I) or (II) from which some are characterized as their hexachloroantimonates.
ChemInform Abstract: Reaction of Tris(perfluoroalkyl)difluorophosphoranes with Organo‐Lithium Compounds.
Authors: PAVLENKO N. V. , MATYUSHECHEVA G. I. , SEMENII V. YA. , YAGUPOL'SKII L. M.
Published: May 2016

In the reaction of the fluoroalkylfluorophosphoranes (I) with the lithium aryls (II) one fluoroalkyl group is substituted to give the arylphosphoranes (III), whereas the analogous reaction of (Ia) with the lithium alkyls (IV) leads to the substitution of one fluorine atom, forming the phosphoranes (V).
ChemInform Abstract: Tetratelluradicyclopenta(b,g)naphthalene (TTeDCN).
Authors: OKADA N. , SAITO G. , MORI T.
Published: May 2016

The tetratelluranaphthalene (IV) and the fulvalene (V) are prepared from 1,2‐dibromocyclopentene (I).
ChemInform Abstract: Preparation and Structure of (NEt4)2(V4S2(SCH2CH2S)6) and Its Structural and Electronic Relationship to the LixVS2 Phases.
Authors: MONEY J. K. , HUFFMAN J. C. , CHRISTOU G.
Published: May 2016

The title compound (I) is obtained by 3:4:3:6 molar reaction of VCl3 with Li2S, disodium ethane‐1,2‐dithiolate and (NEt4)Br in MeCN (no yield given).
ChemInform Abstract: Thermogravimetric Investigations of Vanadium Complexes.
Authors: BECHMANN W. , UHLEMANN E. , LUDWIG W.
Published: May 2016

Extensive studies on oxovanadium(IV) and ‐(V) complexes (I)‐(III) with bidentate chelating ligands include thermogravimetric investigations.
ChemInform Abstract: Tribromomethylnitrene Complexes of Tungsten. Crystal Structure of PPh3Me(WBr5(NCBr3)).
Authors: SCHMIDT I. , WILLING W. , MUELLER U. + , DEHNICKE K.
Published: May 2016

Starting with WBr6 and BrCN the title complex (V) is obtained via (III) (yield in g) as shown in nearly quantitative yield.