bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Stereochemical Role of Lone Pairs in Main‐Group Elements. Part 4. The Crystal Structure at 120 K of Bis(1,4,7,10,13‐pentaoxacyclopentadecane)tin(II) Bis(trichlorostannate(II)), Confirming the Sterically Inactive Tin Lone Pair.
Authors: HOUGH E. , NICHOLSON D. G. , VASUDEVAN A. K. 
Published: May 2016

AbstractThe title compound crystallizes in the space group P21/a with Z=2.
ChemInform Abstract: Electron‐Spin Distribution in Radical Anions of Aryl Methyl Ethers vs Reactivity and Regioselectivity of Their Unimolecular Fragmentation.
Authors: LAZANA M. C. R. L. R. , FRANCO M. L. T. M. B. , HEROLD B. J. 
Published: May 2016

AbstractRadical anions are generated by reduction of title ethers such as (I)‐(III) by alkali metals.
ChemInform Abstract: Aromatization of Hydrocarbons by Oxidative Dehydrogenation Catalyzed by the Mixed Addenda Heteropoly Acid H5PMo10V2O40.
Authors: NEUMANN R. , LISSEL M. 
Published: May 2016

AbstractOxidation of the cyclohexadienes (I) and (III) is catalyzed by the heteropoly acid mentioned in the title to give an almost quantitative yield of the arenes (II) and (IV).
ChemInform Abstract: New Synthesis of Polychloro(trifluoromethyl)benzenes and Highly Strained Polychloro(trichloromethyl)benzenes.
Authors: RIERA J. , CASTANER J. , CARILLA J. , ROBERT A. 
Published: May 2016

AbstractThe polychlorobenzenes (I) react with trichlorofluoromethane (II) in the presence of AlCl3 to give the trifluoromethylated chlorobenzenes (III).
ChemInform Abstract: Synthesis and Cyclopropanation of E,E‐ and Z,Z‐1,3‐Bis(styrylsulfonyl)benzene.
Authors: REDDY M. V. R. , REDDY S. , REDDY P. V. R. , REDDY D. B. , REDDY N. S. 
Published: May 2016

AbstractReaction of the dithiolate (I) with phenylacetylene (II) and subsequent oxidation yield the Z,Z‐isomer (IVa) of the title compounds.
ChemInform Abstract: Halogen Effects in the Reactions of Benzylmagnesium Halides with Furfural and Alkyl 2‐Furyl Ketones.
Authors: SJOEHOLM R. + 
Published: May 2016

AbstractThe reaction of furfural (IVa) or of the ketones (IVb), (IVc) with benzylmagnesium halides is strongly influenced by the nature of the Grignard halogen atom: The heavier the halogen atom of the benzyl Grignard (i.e.
ChemInform Abstract: Unusual Chelating Properties of the Ligand 1,8‐Bis(3,5‐dimethyl‐1‐pyrazolyl)‐3,6‐dithiaoctane (bddo). Crystal Structures of Ni(bddo)(NCS)2, Zn(bddo)(NCS)2 and Cd2(bddo)(NCS)4.
Authors: HAANSTRA W. G. , DRIESSEN W. L. , REEDIJK J. , TURPEINEN U. , HAEMAELAEINEN R. + 
Published: May 2016

AbstractIn order to obtain more insight into the coordination geometries the new ligand (VII) (yield given in g) can adopt, its coordination compounds with Zn, Co, Ni, and Cd thiocyanate are described.
ChemInform Abstract: Evaluation and Synthesis of Aminohydroxyisoxazoles and Pyrazoles as Potential Glycine Agonists.
Authors: DRUMMOND J. , JOHNSON G. , NICKELL D. G. , ORTWINE D. F. , BRUNS R. F. , WELBAUM B. 
Published: May 2016

AbstractVarious aminohydroxypyrazoles, e.g. (VI), (X), and (XVI), or aminohydroxyisoxazoles, e.g. (XII) and (XIV), are synthesized and tested as potential glycine‐receptor agonists.
ChemInform Abstract: Sulfur Nitrides in Organic Chemistry. Part 18. Preparation and Reduction of Benzo(1,2‐c:3,4‐c′:5,6‐c′′)tris‐ and Benzo(1,2‐c:3,4‐c′)bis(1,2,5)thiadiazole. A Convenient Route to Benzenehexamine and 1,2,3,4‐Benzenetetramine.
Authors: MATAKA S. , EGUCHI H. , TAKAHASHI K. , HATTA T. , TASHIRO M. 
Published: May 2016

AbstractReaction of catechols such as (I), (III), (V), (VIII) or resorcinols such as (XI) with N4S4 (IV) gives rise to thiadiazoles such as (II), (VII) and/or (VI), (XII) + (VI).
ChemInform Abstract: Synthesis and Anthelmintic Activity of a Series of Pyrazino(2,1‐a)(2)benzazepine Derivatives.
Authors: BREWER M. D. , BURGESS M. N. , DORGAN R. J. J. , ELLIOTT R. L. , MAMALIS P. , MANGER B. R. , WEBSTER R. A. B. 
Published: May 2016

AbstractThe octahydropyrazino(2,1‐a)benzazepin‐4‐one (VI), synthesized from 3‐phenyl‐1‐propylamine (I) as shown in the reaction scheme, is treated with various acyl chlorides such as (VII) to give N‐acylated derivatives such as (VIII).
ChemInform Abstract: Synthesis and Absolute Configuration of Diastereomeric Menthyl Benzylphosphinates.
Authors: BODALSKI R. , KOSZUK J. 
Published: May 2016

Abstract(‐)‐Menthol (I) reacts with the dichlorophosphine (II), producing the diastereomeric phosphinates (III) and (IV) after hydrolysis.
ChemInform Abstract: Transition‐Metal Derivatives of the Cyclopentadienyl Phosphine Ligands. Part 3. New Pathways to Polymetallic Complexes.
Authors: HE X. D. , MAISONNAT A. , DAHAN F. , POILBLANC R. 
Published: May 2016

AbstractA series of new derivatives of heterodifunctional ligands are prepared starting from lithium‐diphenylphosphino‐ or ‐diphenylphosphinoethyl‐cyclopentadienide via monometallic complexes such as (I).
ChemInform Abstract: Lanthanoid Ion Complexes of the Calixarenes. Part 4. Double Inclusion by p‐tert.‐Butylcalix(4)arene (H4L). Crystal Structures of (Eu2(HL)2(dmf)4)·7dmf (dmf: dimethylformamide) and H4L·dmso (dmso: dimethylsulfoxide).
Authors: FURPHY B. M. , HARROWFIELD J. MACB. , OGDEN M. I. , SKELTON B. W. , WHITE A. H. , WILNER F. R. 
Published: May 2016

AbstractThe title complex (I) (space group C2/c, Z=4) is obtained by reaction of Eu(NO3)3(DMSO)4 with a DMF solution of p‐tert.‐butylcalix(4)arene (yield given in g).
ChemInform Abstract: Macrocycles Containing Tin. Preparation of Macrobicyclic Lewis Acidic Hosts Containing Two Tin Atoms and 119Sn NMR Studies of Their Chloride and Bromide Binding Properties in Solution.
Authors: BLANDA M. T. , HORNER J. H. , NEWCOMB M. 
Published: May 2016

AbstractThe tricyclic distannanes (V) are prepared via phenyl halogen exchange and bridging with the α,ω‐di(bromomagnesium)alkanes (III) as outlined in the reaction scheme.
ChemInform Abstract: Interaction of Benzo‐1,3‐thiazoline‐2‐thione and Related Ligands with Copper(II) Salts and the Single‐Crystal X‐Ray Structure of μ‐(1,2‐Bis(diphenylphosphino)ethane)‐bis((benzo‐1,3‐thiazole‐2‐thiolato‐S)(1# ,2‐bis(diphenylphosphino)ethane)copper(I)).
Authors: AINSCOUGH E. W. , BAKER E. N. , BINGHAM A. G. , BRODIE A. M. , SMITH C. A. 
Published: May 2016

AbstractA reinvestigation of the reaction of (I) with Cu(II) salts has shown, in contradiction to earlier reports, that only two compounds are formed: (V) from aqueous EtOH and (III) from abs.
ChemInform Abstract: Direct Observation of η2‐Arene Complexes of ((C5Me5)Rh(PMe3)).
Authors: JONES W. D. , DONG L. 
Published: May 2016

AbstractThe aryl hydride complex (I) is well established to lose benzene upon heating to 60 °C. However, in the presence of phenanthroline (II) the η2‐arene complex (III) (space group P21/c, Z=4) is formed.
ChemInform Abstract: Stepwise Conversion of (Os(CF3CO2)2(CO)4) into (Os(pyS)2(CO)2): X‐Ray Crystal Structures of the Complexes (Os(pyS)2(CO)x) Where x = 2 or 3 and pyS is the Pyridine‐2‐thionato Ligand.
Authors: DEEMING A. J. , MEAH M. N. , RANDLE N. P. , HARDCASTLE K. I. 
Published: May 2016

AbstractThe course of reaction between (I) and pyridinethione (II) is investigated.
ChemInform Abstract: Metabolites of the Higher Fungi. Part 25. Punctaporonin G from the Fungus Poronia punctata (Linnaeus: Fries) Fries.
Authors: EDWARDS R. L. , MAITLAND D. J. , POYSER J. P. , WHALLEY A. J. S. 
Published: May 2016

AbstractPunctaporonin G (II) is a new naturally occurring tricyclic sesquiterpene; it can also be produced from punctaporonin B (I) by acid‐catalyzed dehydration involving the 1‐ and 4‐hydroxy substituents.
ChemInform Abstract: New Routes to the Syntheses of cis‐α‐(Carboxycyclopropyl)glycines from L‐Glutamic Acid. Conformationally Restricted Analogues of the Excitatory Neurotransmitter L‐Glutamic Acid.
Authors: SHIMAMOTO K. , OHFUNE Y. 
Published: May 2016

AbstractThe L‐glutamic acid half ester (I) is converted to the unsaturated lactone (VII).
ChemInform Abstract: Structure of Strychnine Hydrochloride Sesquihydrate.
Authors: GHOSH R. , ROYCHOWDHURY P. , CHATTOPADHYAY D. , IITAKA Y. 
Published: May 2016

AbstractThe importance of a precise structure and conformation analysis of the title compound (I) (space group P21 with Z=4) arises from its neuromuscular blocking action.
ChemInform Abstract: Chirospecific Synthesis of Nitrogen and Side Chain Modified Analogues of (+)‐Anatoxin.
Authors: SARDINA F. J. , HOWARD M. H. , KOSKINEN A. M. P. , RAPOPORT H. 
Published: May 2016

AbstractA new synthetic route to the N‐protected (+)‐anatoxin (VI) is described as outlined in the reaction scheme.
ChemInform Abstract: Synthesis of Ceratiolin, a Constituent of Ceratiola ericoides.
Authors: OBARA H. , ONODERA J. , YUSA K. , TSUCHIYA M. , MATSUBA S. 
Published: May 2016

AbstractStarting from 1,2,3,5‐benzenetetrol (I) ceratiolin (VI), a compound with allelopathic property, is prepared via the dihydrochalcone (III).
ChemInform Abstract: Total Synthesis of the Racemic 3‐Methyl Analogue of the Antitumor Agent Acivicin.
Authors: GOMBOS Z. , NYITRAI J. , KOLONITS P. , KAJTAR‐PEREDY M. 
Published: May 2016

AbstractThe racemic 3‐methyl analogue (IX) of acivicin (X) is synthesized by a stereorandom route starting with the butenoate (I) and acetonitrile oxide generated from nitroethane (II).
ChemInform Abstract: LiNaSe, the First Inter Alkali Metal Selenide: Synthesis and Structure.
Authors: BRONGER W. , BOMBA C. , SABROWSKY H. 
Published: May 2016

AbstractSingle crystals of the title compound are prepared by reaction of Li2CO3 and Na2CO3 with a stream of H2 loaded with selenium vapor (750 °C, 10 h).
ChemInform Abstract: Spongy Raney Nickel Hydrogen Electrodes for Alkaline Fuel Cells
Authors: TOMIDA T. , NAKABAYASHI I. 
Published: May 2016

Abstractare prepared for the first time using as substrate a porous Ni plate, on which molten Al is sprayed (on both sides) with an acetylene‐oxygen flame gun, heating the plate at 550‐750 °C to form a Ni‐Al alloy, and leaching the Al in 5 M aqueous KOH solution.
ChemInform Abstract: Voltammetric Behavior of a Pt Electrode in Concentrated Aqueous Solutions of LiCl.
Authors: TANAKA K. , TAMAMUSHI R. 
Published: May 2016

AbstractThe cyclic voltammograms observed in air‐free aqueous LiCl solutions at bright rotating (600 rpm) Pt electrodes and the other physicochemical properties of aqueous LiCl solutions indicate that the oxide film formation and dissolution proceeds according to the scheme.
ChemInform Abstract: Spectroscopic Investigations of Porous and Sealed Anodic Alumina Films.
Authors: MURPHY O. J. , WAINRIGHT J. S. , LENCZEWSKI J. J. , GIBSON J. H. , SANTANA M. W. 
Published: May 2016

AbstractA broad range of surface and bulk analytical techniques, as XPS, RBS, SIMS, and XRD, are applied to Al specimens anodized in H2SO4 and similar specimens sealed in Ni‐acetate and dichromate baths.
ChemInform Abstract: Application of Dynamic Photoluminescence Spectroscopy to the Study of the Active Surface Sites on Supported Mo/SiO2 Catalysts. Features of Anchored and Impregnated Catalysts.
Authors: ANPO M. , KONDO M. , COLUCCIA S. , LOUIS C. , CHE M. 
Published: May 2016

AbstractThe two types of Mo/SiO2 catalysts mentioned in the title with 0.01‐0.1 wt.% Mo are prepared by reaction of gaseous MoCl5 with the surface OH groups on SiO2 or by impregnation of the support with an aqueous solution of (NH4)6Mo7O24.
ChemInform Abstract: Synthesis and Structure of Ba2Zr6Cl17B, the Missing Link in Cluster Stoichiometries and Structures.
Authors: ZHANG J. , CORBETT J. D. 
Published: May 2016

AbstractThe title compound is obtained in high yield from the reaction of ZrCl4, Zr powder, amorphous boron, and BaCl2 (sealed tantalum tube, 850 °C, 2 weeks).
ChemInform Abstract: Preparation and Structure of Th2Ta2O9.
Authors: SCHMIDT G. , GRUEHN R. 
Published: May 2016

AbstractSingle crystals of the title compound are prepared by chemical vapor transport in the ThO2‐Ta2O5 system using Cl or NH4Cl as transportation agent (e.g., ThO2:Ta2O5 = 1:3, Cl2, 1100 → 1000 °C, 13 d).
ChemInform Abstract: Orbital Symmetry Control of Epimeric Rates of Generation of an Allylic Cation from Sterically Unbiased Precursors.
Authors: LIN M. , BOYD M. K. , LE NOBLE W. J. 
Published: May 2016

AbstractMethylation of the corresponding ketone affords the epimeric alcohols (I) and (V) in equal amounts.
ChemInform Abstract: Singlet Oxygen and Triazolinedione Additions to α,β‐Unsaturated Sulfoxides.
Authors: AKASAKA T. , MISAWA Y. , GOTO M. , ANDO W. 
Published: May 2016

AbstractThe reaction of singlet oxygen with the sulfoxides (I) gives the corresponding allyl alcohols (II) after reduction with dimethyl sulfide.
ChemInform Abstract: Synthesis and Asymmetric Diels‐Alder Reactions of (S)‐2‐(p‐Tolylsulfinyl)‐1,4‐benzoquinone.
Authors: CARRENO M. C. , GARCIA RUANO J. L. , URBANO A. 
Published: May 2016

AbstractThe optically active sulfinyl‐p‐benzoquinone (VI) undergoes Diels‐Alder reaction with the 1,3‐dienes (VII) to produce the naphthoquinones (IX) via spontaneous aromatization of the intermediate cycloadducts (VIII).
ChemInform Abstract: Studies on the Fries Rearrangement. Part 4. The ortho‐Fries Rearrangement of p‐Tolyl and p‐Chlorophenyl Esters.
Authors: YAMAMOTO J. , NAKANE I. , NAKASHIMA M. , ASANO M. , AKAMATSU H. , OKAMOTO Y. , SUGITA K. 
Published: May 2016

AbstractThe Fries rearrangement of p‐tolyl and p‐chlorophenyl esters such as (I) is investigated.
ChemInform Abstract: Photochemical Reactivity of Imines from Benzil Monooxime Esters.
Authors: ARMESTO D. , HORSPOOL W. M. , APOITA M. , GALLEGO M. G. , RAMOS A. 
Published: May 2016

AbstractThe photochemical reactivity of the diazadienes (I), (IV), (VII) falls into two distinct types.
ChemInform Abstract: Donor‐Substituted Sulfonyl Carbenes. Part 1. Methoxy Arylsulfonyl Carbenes.
Authors: SCHANK K. , ABDEL WAHAB A.‐M. A. , EIGEN P. , JAGER J. 
Published: May 2016

AbstractAlkoxy arylsulfonyl carbenes such as (II) are generated by α‐elimination of hydrogen halide from (alkoxy)(halo)methyl aryl sulfones such as (I).
ChemInform Abstract: Bromination of Anilines by Benzyltriphenylphosphonium Tribromide.
Authors: DING X.‐T. , LIU G.‐B. 
Published: May 2016

AbstractThe title reagent (II), prepared by treatment of the phosphonium chloride (I) with sodium bromate and hydrobromic acid, is successfully employed in the bromination of various anilines such as (III), (V), and (VII).
ChemInform Abstract: 1,1,1‐Trichloropropanone: A Mild, Selective Acetylating Agent.
Authors: SALIM J. R. , NOME F. , REZENDE M. C. 
Published: May 2016

Abstract1,1,1‐Trichloroacetone (III), prepared by stepwise chlorination of acetone (I) with elemental chlorine and sodium hydrochlorite, is employed as reagent for the N‐acetylation of the amines (IV) and (VI) to give the corresponding acetamides (V) or (VII).
ChemInform Abstract: Acyloxyhalogenation of Vinylacetylenic Hydrocarbons.
Authors: IVANOV S. V. , STADNICHUK M. D. 
Published: May 2016

AbstractVinylacetylene (I) is coupled with the carboxylic acids (II) in the presence of NBS to form mixtures of the allenes (III) and the acetylenes (IV), whereas the same reaction of isopropenylacetylene (V) produces the compounds (VI) exclusively.
ChemInform Abstract: Synthesis and Some Properties of 2‐Chloroperfluorocyclobutyl Fluorosulfate.
Authors: VALIEV R. SH. , KROTOVICH I. N. , RAPKIN A. I. , FOKIN A. V. 
Published: May 2016

AbstractPerfluorocyclobutene (I) is coupled with chlorine fluorosulfate (II) to give the title compound (III).
ChemInform Abstract: Acyl Radical Cyclizations in Synthesis. Part 1. Substituent Effects on the Mode and Efficiency of Cyclization of 6‐Heptenoyl Radicals.
Authors: CRICH D. , FORTT S. M. 
Published: May 2016

AbstractThe cyclization of selenol esters which are substituted at C‐3, e.g. (I) and (IV), yields cyclohexane derivatives as major products.
ChemInform Abstract: A Facile Synthesis of N‐Aryl‐N‐hydroxyformamides from N‐Arylhydroxylamines.
Authors: AYYANGAR N. R. , BRAHME K. C. , SHINGARE M. S. , SRINIVASAN K. V. 
Published: May 2016

AbstractAcetic formic anhydride (III) is prepared as shown and immediately used in the formylation reaction of the hydroxylamines (IV).
ChemInform Abstract: O‐Aryl Ketoximes. Part 1. O‐Arylation of Ketoximes with Nitrochlorobenzenes.
Authors: MAJDIK C. , KOEVENDI A. + , MATEI S. , BREAZU D. 
Published: May 2016

AbstractThe O‐arylation of the aryl ketoximes (I) with 2‐ or 4‐nitrochlorobenzene (II) is performed in a DMSO/THF solution at moderate temperature.
ChemInform Abstract: Synthesis of Dibenzyl‐4,4′‐acyl and Dibenzyl‐4,4′‐sulfonyl Diisocyanates.
Authors: TARANU V. 
Published: May 2016

AbstractSandmeyer reaction of the diamine (I) in the presence of cuprous cyanide (II) gives the dinitrile (III) which is converted to the bis(carboxylic acid amide) (VII) by conventional methods.
ChemInform Abstract: Synthesis of 2,5‐Dihydro‐2,5‐diphenylfuran.
Authors: JACK I. R. 
Published: May 2016

AbstractTreatment of the 2,5‐dimethoxy derivative (I) with Ph‐MgBr (II) does not afford the desired title compound (VII) but leads to ring opening to give the products (III).
ChemInform Abstract: Synthesis of Spirocyclohexadienone Lactones from the Reaction of Ortho‐Lithiated Oxazolines with Sterically Hindered 1,4‐Benzoquinones.
Authors: PAVLIDIS V. H. , MEDCALF H. , COUTTS I. G. C. 
Published: May 2016

AbstractThe 2‐(o‐bromophenyl)oxazoline (I) is lithiated and then coupled with the p‐benzoquinones (II), yielding the carbinols (III).
ChemInform Abstract: Convenient Preparation of 3,3‐Dibromo‐1,3‐dihydroindol‐2‐ones and Indole‐2,3‐diones (Isatins) from Indoles.
Authors: PARRICK J. , YAHYA A. , IJAZ A. S. , YIZUN J. 
Published: May 2016

AbstractTreatment of indole‐3‐carbaldehyde (XIII) with 3 or 4 mol NBS causes bromination of the 5‐position as well.
ChemInform Abstract: First Reactions of Vinylindoles with Diethyl Mesoxalate, Nitrosobenzene, and Chlorosulfonyl Isocyanate: New Functionalized and (b)Anellated Indoles.
Authors: PINDUR U. , KIM M.‐H. 
Published: May 2016

AbstractSome new and unexpected results are obtained from the title reactions (see scheme).
ChemInform Abstract: Functionalized Chloroenamines in Aminocyclopropane Synthesis. Part 4. A Synthesis for Bicyclic Lactams from Carbamoylated Chloroenamines ‐ The Result of a Tandem Ring Contraction‐Cyclization Process.
Authors: VILSMAIER E. , ADAM R. , ALTMEIER P. , FATH J. , SCHERER H.‐J. , MAAS G. , WAGNER O. 
Published: May 2016

AbstractReaction of the chloroenamines (Ib)‐(Id) with NaCN (II) in MeCN gives, unexpectedly, the lactams (III) the stereochemical structures of which are established by X‐ray analyses ((IIIb): P1; Z=2; (IIIc) and (IIId): P21/c; Z=4).
ChemInform Abstract: Preparation of Tetrahydrobenz(cd)indoles from 1‐Tetralones.
Authors: MOODY C. J. , BECK A. L. , COATES W. J. 
Published: May 2016

AbstractThe 1‐tetralones (Ia) ‐ (Ic) and the homologous benzosuberone (Id) are converted to the azido alcohols (V) via the epoxides (III).
ChemInform Abstract: Synthesis of Bicyclic Bisureas and Imidazole Derivatives from Aromatic α‐Hydroxy Ketones and Ureas.
Authors: BAKIBAEV A. A. , YAGOVKIN A. YU. , SAVCHENKO T. I. , FILIMONOV V. D. , SEILIKHANOV G. D. 
Published: May 2016

AbstractThe aromatic α‐hydroxy ketones (I) and (VI) are coupled with urea (IIa) in the presence of sulfuric acid on exposure to air to give the bicyclic bisureas (IIIa) and (VII) respectively.
ChemInform Abstract: Improved Syntheses of N‐Substituted Nitroimidazoles.
Authors: SEARCEY M. , PYE P. L. , LEE J. B. 
Published: May 2016

Abstract4(5)‐Nitroimidazole (I)/(II) is converted to the tetra(n‐butyl)ammonium salt (IV) which undergoes N‐substitution with various halides, e.g. (V), or the dihalides (VII), forming the N‐substituted nitroimidazoles (VI) or (VIII).
ChemInform Abstract: α‐Cyanothioacetamide in Heterocyclic Synthesis: A New Approach for the Synthesis of 4‐Oxo‐4,5‐dihydro‐1,3‐thiazole‐2‐thioacetamide Derivatives.
Authors: ABDELAZIZ M. A. , EL‐SHARABASY S. A. , ABDEL GAWAD S. M. 
Published: May 2016

AbstractCoupling of the diazonium salts (IV) with the thiazole (III), prepared by cyclocondensation of cyanothioacetamide (I) with thioglycolic acid (II), yields the mono‐ and diarylazo derivatives (V) and (VI).
ChemInform Abstract: Syntheses and Bioevaluation of Substituted Dihydropyridines for Pregnancy‐Interceptive Activity in Hamsters.
Authors: MUKHERJEE A. , AKHTAR M. S. , SHARMA V. L. , SETH M. , BHADURI A. P. , AGNIHOTRI A. , MEHROTRA P. K. , KAMBOJ V. P. 
Published: May 2016

AbstractHeating the formyl compounds (I) with the β‐aminocrotonate (II) results in the formation of the dihydropyridines (III).
ChemInform Abstract: The Xanthene‐9‐spiro‐4′‐piperidine Nucleus as a Probe for Opiate Activity.
Authors: GALT R. H. B. , HORBURY J. , MATUSIAK Z. S. , PEARCE R. J. , SHAW J. S. 
Published: May 2016

AbstractThe preparation of the title xanthenes, e.g. (VII) and (VIII), starts with the Ullmann reaction of the 2‐chloro‐6‐fluorobenzoic acid (I) with 2‐methoxyphenol (II) and subsequent acid‐induced ring closure of the 2‐aryloxybenzoic acid (III).
ChemInform Abstract: Novel Benzodiazepine Receptor Partial Agonists: Oxadiazolylimidazobenzodiazepines.
Authors: WATJEN F. , BAKER R. , ENGELSTOFF M. , HERBERT R. , MACLEOD A. , KNIGHT A. , MERCHANT K. , MOSELEY J. , SAUNDERS J. , SWAIN C. J. , WONG E. , SPRINGER J. P. 
Published: May 2016

AbstractStarting with the 1,4‐benzodiazepinedione (I), a series of oxadiazolylimidazobenzodiazepines, e.g. (VII) or the isomeric system (XIV), are prepared as shown in the reaction scheme.
ChemInform Abstract: Synthesis of Diethyl‐ and Diisopropylamino‐trifluoromethylboranes and Their Reactions with HF, HCl, HBr and H2O. The Crystal Structure of (CF3)2BN(iPr)2, Revealing a Very Short B‐N Bond.
Authors: BRAUER D. J. , BUERGER H. + , DOERRENBACH F. + , PAWELKE G. , WEUTER W. 
Published: May 2016

AbstractThe novel (trifluoromethyl)aminoboranes (III) and (IV) are prepared as shown for the examples (III).
ChemInform Abstract: Organoboranes. Part 52. The Successful Ring Enlargement of Boracyclanes Via Sequential One‐Carbon Homologation: The First Synthesis of Boracyclanes in the Strained Medium‐Ring Range.
Authors: BROWN H. C. , PHADKE A. S. , RANGAISHENVI M. V. 
Published: May 2016

AbstractPrevious attempts to synthesize boracyclanes in the medium‐ring range (9‐, 10‐, 11‐, and 12‐ring members) via cyclic hydroboration of α,ω‐dienes have failed.
ChemInform Abstract: Synthesis and Two‐Dimensional NMR Analysis of Ethyl Allyl‐tert‐butylphosphinate.
Authors: SUPPLEE C. , ENGELMAN C. , MEEK D. W. 
Published: May 2016

AbstractThe diethyl phosphonite (I) reacts with the allyl bromide (II) to give the phosphinate (III) mentioned in the title via Michael‐Arbuzov reaction.
ChemInform Abstract: Organic Phosphorus Compounds. Part 87. Some Reactions of O‐Ethyl 2‐Chloroethylphosphonite.
Authors: MAIER L. , DIEL P. J. 
Published: May 2016

AbstractThe chloroethylphosphonite (I) reacts with the amines (II) to give the corresponding aminoethylphosphonites (IV) via the intermediate vinylphosphonite (III).
ChemInform Abstract: Contrasting Chemical and Physical Properties of (o‐ and p‐(N,N‐Dimethylamino)phenyl)phosphines and Phosphonium Salts.
Authors: CAIRNS S. M. , MCEWEN W. E. 
Published: May 2016

AbstractThe kinetic data for the alkylation reactions as well as the rate of alkaline cleavage of the corresponding benzylphosphonium bromides are reported.
ChemInform Abstract: Phosphabutatriene. 1,2‐Bis(phosphaallenyl)cyclobutane.
Authors: MAERKL G. + , KREITMEIER P. 
Published: May 2016

AbstractLithiation of the silylethynylphosphine (I) and subsequent coupling with the ketones (II) results in olefination reaction, producing the phosphabutatrienes (III).
ChemInform Abstract: Monocyclic Phosphoranes with PH Bonds in the Ligand Redistribution Reaction of Tricoordinated Phosphorus Compounds.
Authors: TANGOUR B. , MALAVAUD C. , BOISDON M. T. , BARRANS J. 
Published: May 2016

AbstractThe reaction of phospholanes such as (I) with nucleophiles such as (II) is studied.
ChemInform Abstract: Formation of a 1,2‐Diorgano‐1,2‐dichlorodiphosphine.
Authors: HEUER L. , SCHOMBURG D. , SCHMUTZLER R. 
Published: May 2016

AbstractThe diphosphine (III) mentioned in the title is formed, together with the tetrafluorophosphorane (II), from the difluorophosphine (I) via dimerization induced by chlorination with the solvent CDCl3.