bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: 4H‐Benzo(4,5)cyclohepta(1,2‐b)thiophenes and 9,10‐Dihydro Derivatives. Sulfonium Analogues of Pizotifen and Ketotifen; Chirality of Ketotifen; Synthesis of the 2‐Bromo Derivative of Ketotifen.
Authors: POLIVKA Z. , BUDESINSKY M. , HOLUBEK J. , SCHNEIDER B. , SEDIVY Z. , SVATEK E. , MATOUSOVA O. , METYS J. , VALCHAR M. , SOUCEK R. , PROTIVA M. 
Published: May 2016

AbstractGrignard reaction of the known ketone (I) followed by dehydration and methylation provides the methiodide (V) ( = sulfonium analogue of pizotifen).
ChemInform Abstract: A Study of 2‐Methyl‐3‐phenylsulfinyl‐2,3,4,5‐tetrahydrothiophene 1,1‐Dioxides: NMR Spectra, Crystal Structure, and Dehydrosulfinylations.
Authors: FANG J.‐M. , LIN J.‐R. , DUH J.‐M. , CHENG M.‐C. , WANG Y. 
Published: May 2016

AbstractThe structures of the title compounds (I) and (III) are confirmed by NMR spectroscopy and X‐ray analysis of (IIIa) (space group P21/c with Z=4).
ChemInform Abstract: (4RS,5R)‐ and (4RS,5S)‐4‐Methoxy‐5‐methyloxazolidin‐2‐one Derivatives of Threonine ‐ Interesting Chiral Amidoalkylating Reagents.
Authors: HERBORN C. , ZIETLOW A. , STECKHAN E. 
Published: May 2016

AbstractThe title compounds (III) and (VII) can be efficiently prepared by anodic decarboxylation of the carboxylic acids (I), (VIa) or (VIb).
ChemInform Abstract: Homochiral Fluoroorganic Compounds. Part 14. 2‐Fluoromethyl‐tetrahydrofurans and ‐tetrahydropyrans by Cyclooxymercuration of Unsaturated α‐Fluoro Alcohols.
Authors: ARNONE A. , BRAVO P. , FRIGERIO M. , RESNATI G. , VIANI F. 
Published: May 2016

AbstractThe title reaction leads to furan or pyran derivatives, e.g. (III), (V), (VI) and (X).
ChemInform Abstract: Palladium(0)‐Catalyzed Hydrostannylation of Alkynes. Stereospecific syn‐Addition of Tributyltin Hydride.
Authors: MIYAKE H. , YAMAMURA K. 
Published: May 2016

AbstractTributyltin hydride (II) reacts with the alkynes (I) in the presence of Pd(0) phosphine catalysts to form the addition products (III) and (IV).
ChemInform Abstract: A High‐Potential Mononuclear Manganese(IV) Complex. Synthesis, Structure, and Properties, Including EPR Spectroscopy and Electrochemistry, of (Mn(HB(3,5‐Me2pz)3)2)(ClO4)2 (pz: Pyrazolyl).
Authors: CHAN M. K. , ARMSTRONG W. H. 
Published: May 2016

AbstractThe nearly octahedral title complex (III) (space group P1, Z=2) with N6 coordination environment is synthesized according to the scheme and characterized by X‐ray structure analysis, magnetic susceptibility, electrochemical, and spectroscopic measurements.
ChemInform Abstract: Unique Properties of Ruthenium(II) Phosphole Complexes.
Authors: VAC R. , NELSON J. H. , MILOSAVLJEVIC E. B. , SOLUJIC L. 
Published: May 2016

AbstractIn order to study the effects of geometry and the nature of the phosphine on catalytic activity, the complexes (IV), (V), (VI), (VII), and (XII) are synthesized.
ChemInform Abstract: An Efficient Synthesis of Novel α‐Diketone and α‐Keto Ester Derivatives of N‐Protected Amino Acids and Peptides.
Authors: ANGELASTRO M. R. , PEET N. P. , BEY P. 
Published: May 2016

AbstractThe N‐protected alanine (Ia) or dipeptide (Ib) are activated and then coupled with O,N‐dimethylhydroxylamine hydrochloride, producing the amides (III) which react with (1‐ethoxyvinyl)magnesium bromide to yield the α‐keto vinyl ethers (V).
ChemInform Abstract: Acyclic Nucleotide Analogues. Part 7. Synthesis of (3‐Hydroxy‐2‐phosphonylmethoxypropyl) Derivatives of Heterocyclic Bases.
Authors: HOLY A. , ROSENBERG I. , DVORAKOVA H. 
Published: May 2016

AbstractVarious analogues of the antiviral agent HPMPA (I), containing modified heterocyclic base, are prepared from derivatives such as (II) (racemates) or their (S)‐isomers exemplified in the scheme for (II) → (IV)/(V).
ChemInform Abstract: Effect of Iron and Boron Carbide on the Densification and Mechanical Properties of Titanium Diboride Ceramics
Authors: KANG E. S. , JANG C. W. , LEE C. H. , KIM C. H. , KIM D. K. 
Published: May 2016

Abstractis studied for TiB2 samples sintered at 2000 °C in argon atmosphere.
ChemInform Abstract: Preparation of the High‐Quality Superconductor La1Ba2Cu3Oy.
Authors: WADA T. , SUZUKI N. , YAMAUCHI H. , TANAKA S. , MAEDA A. , UCHINOKURA K. 
Published: May 2016

AbstractIt is found that the oxygen content in the title superconductor is controlled by the sintering time in N2.
ChemInform Abstract: Degradation Processes in a LaNi5 Electrode.
Authors: BOONSTRA A. H. , LIPPITS G. J. M. , BERNARDS T. N. M. 
Published: May 2016

AbstractThe relation between the decrease in hydrogen storage capacity of a LaNi5 electrode as a function of the number of charge‐discharge cycles and the amount of La(OH)3 and Ni(OH)2 formed is studied.
ChemInform Abstract: Lanthanides in Organic Synthesis. Part 21. A Highly Efficient Deoxygenation of α‐Oxygenated Esters via SmI2‐Induced Electron Transfer Process.
Authors: KUSUDA K. , INANAGA J. , YAMAGUCHI M. 
Published: May 2016

AbstractSamarium diiodide in THF is employed in the deoxygenation of the α‐methoxy or α‐acetoxycarboxylates (I), the α‐hydroxycarboxylates (III), or the tartrates (V), yielding the esters (II), (IV), and the maleates (VI) respectively.
ChemInform Abstract: 2‐Acetyl‐4,5,6‐trichloro‐1,3‐tropolone from Ring Enlargement of Tetrachloro‐o‐benzoquinone with Acetone.
Authors: KOGLER H. , FEHLHABER H.‐W. , LEUBE K. , DUERCKHEIMER W. + 
Published: May 2016

AbstractThe reaction between tetrachloro‐o‐quinone (I) and acetone (II) yields the title compound (III), i.e. a 1,3‐tropolone instead of the isomeric 1,2‐tropolone derivative reported earlier for this reaction.
ChemInform Abstract: The Preparation and Alkylation of β‐Sultam Mono‐ and Dianions.
Authors: SZYMONIFKA M. J. , HECK J. V. 
Published: May 2016

Abstract1,2‐Thiazetidine 1,1‐dioxide (I) is lithiated and then treated with the electrophilic reagents (II) to give the 4‐substituted products (III).
ChemInform Abstract: Synthesis and Antitumor Activity of Podophyllotoxin Aza‐Analogues.
Authors: TOMIOKA K. , KUBOTA Y. , KOGA K. 
Published: May 2016

AbstractThe oxazolidinone (III), derived from the amino acid (I), undergoes ring closure with the aldehyde (IV), yielding the fused isoquinoline derivatives (V).
ChemInform Abstract: Phosphineborane Chemistry. ‐ An Anionic Tripod Ligand Featuring Three Ylide Functions and the Structure of the Corresponding Electroneutral Double‐Ylide.
Authors: WIMMER T. , STEIGELMANN O. , MUELLER G. + , SCHMIDBAUR H. 
Published: May 2016

AbstractIn a search for a tripod ligand featuring three ylidic functions based on a phosphineborane skeleton the compound (I) is treated with KH to give the corresponding triple‐ylide salt (II).
ChemInform Abstract: Reactivity Studies of the Zirconium‐Induced Insertion of Isonitriles into a 1‐Sila‐3‐zirconacyclobutane Ring. Structural and Chemical Evidence of “Carbenium‐Like” Intermediates for the Intramolecular 1,2‐Silyl Shift and Reductive Coupling Reactions.
Authors: BERG F. J. , PETERSEN J. L. 
Published: May 2016

AbstractThe reaction of MeCN (II) with the 1‐sila‐3‐zirconacyclobutane compound (I) follows two different competitive pathways depending on the reaction conditions.
ChemInform Abstract: Cofacial Cyclopentadienes. Synthesis and Reactions of 1,8‐Bis(cyclopentadienyl)naphthalene.
Authors: GRONBECK D. A. , MATCHETT S. A. , ROSENBLUM M. 
Published: May 2016

AbstractCyclopentadienyllithium (I) reacts consecutively with the cuprous bromide dimethyl sulfide complex and 1,8‐diiodonaphthalene (II) to give the polycyclus (III) via the intermediate mentioned in the title.
ChemInform Abstract: Base‐Promoted Cleavage of a P‐C Bond in (PtCl2(Ph2PCH2PPh2‐PP′)) Under Mild Conditions.
Authors: BERGAMINI P. , SOSTERO S. , TRAVERSO O. , KEMP T. J. , PRINGLE P. G. 
Published: May 2016

AbstractThe title complex (I) reacts with NaOH under mild conditions to give the hydroxo‐bridged isomers (III) containing phosphine and phosphinite ligands.
ChemInform Abstract: Photo‐Aza‐Claisen Rearrangements of Cyclic Enaminones.
Authors: VOGLER B. , BAYER R. , MELLER M. , KRAUS W. , SCHELL F. M. 
Published: May 2016

AbstractThe cyclic enaminones (I), prepared from diketones and the corresponding cycloalkenylethylamines, undergo photocyclization to form the tricyclic systems (II).
ChemInform Abstract: 1,11‐o‐Benzeno(2)orthocyclo(1)(6,8)heptafulvenophane: A New Route to Heptafulvene from 8,8‐Dichloro‐3‐alkyl‐4‐oxatricyclo(5.1.0.03,5)octane.
Authors: FUKAZAWA Y. , OKAJIMA T. , USUI S. 
Published: May 2016

AbstractThe bridged dichloro dicyano epoxide (I) is treated with TiCl4 to form the heptafulvene (II) instead of the expected cyclotroponophane (V).
ChemInform Abstract: Photocyclization of Terthiophenes.
Authors: JAYASURIYA N. , KAGAN J. , OWENS J. E. , KORNAK E. P. , PERRINE D. M. 
Published: May 2016

AbstractTerthiophenes such as (I) bearing thienyl groups attached to the 2‐ and 3‐positions of the central thiophene ring undergo oxidative photocyclization, forming benzotrithiophenes such as (II).
ChemInform Abstract: 13C NMR Studies. Part 141. The Isolation, Structure, and Stereochemistry of Traversiadiene. The Precursor Hydrocarbon of Traversianal Biosynthesis.
Authors: STOESSL A. , ROCK G. L. , STOTHERS J. B. 
Published: May 2016

AbstractDetailed 1H and 13C NMR studies as well as a series of NOE difference spectra establish structure (I) for traversiadiene.
ChemInform Abstract: Versatile Modes of Allene Bonding in the Structures of (W2(O‐tBu)6(C3H4)), (W2(O‐tBu)6(C3H4)(CO)2), and (W2(O‐tBu)6(C3H4)2).
Authors: CAYTON R. H. , CHACON S. T. , CHISHOLM M. H. , HAMPDEN‐SMITH M. J. , HUFFMAN J. C. , FOLTING K. , ELLIS P. D. , HUGGINS B. A. 
Published: May 2016

AbstractIn the previously prepared complex (I) ( P21/n, Z=4) in contrast to a former prediction the allene moiety and the W2 center in the complex are parallel, this coordination is unprecedented.
ChemInform Abstract: Direct Conversion of Methane into Methanol.
Authors: BURCH R. , SQUIRE G. D. , TSANG S. C. 
Published: May 2016

AbstractVariations in the type of reactor, the residence time, methanol/oxygen ratio, and the gas mixing and dilution (with N2) cause only small changes in the selectivity of the formation of MeOH (ca.
ChemInform Abstract: A Stereoselective Route to Enantiomeric 2‐Alkyl‐1,2,3,6‐tetrahydropyridines.
Authors: MEHMANDOUST M. , MARAZANO C. , DAS B. C. 
Published: May 2016

AbstractThe key step in the synthesis of the alkyltetrahydropyridines (IX) is the reductive cyclization of the N‐(hydroxyethyl)pyridinium chlorides (III), forming the bicyclic oxazolidines (IV).
ChemInform Abstract: Evidence for α‐Phosphanyl‐α′‐sulfinylcarbene to α‐Phosphoranyl‐α′‐sulfanylcarbene Rearrangement. Synthesis of 2‐Oxo‐ and 2‐Thioxo‐1,2λ5‐azaphosphetanes.
Authors: SICARD G. , GRUETZMACHER H. + , BACEIREDO A. , FISCHER J. , BERTRAND G. 
Published: May 2016

AbstractThe phosphanyl(trimethylsilyl)diazomethane (I) reacts with the sulfinyl chloride (II) via the intermediates (III) ‐ (V) to give the oxoazaphosphetane (VIa).
ChemInform Abstract: Synthesis of (+)‐(2S,6S)‐trans‐α‐Irone and of (‐)‐(2S,6S)‐trans‐γ‐Irone.
Authors: HELMLINGER D. , FRATER G. 
Published: May 2016

AbstractStarting from the aldehyde (I) the tetramethylcyclohexene (II) is prepared by a sequence of known procedures.
ChemInform Abstract: Convenient Preparation of Dimethyl ((3S)‐3‐Methyl‐2‐oxo‐5‐octynyl)phosphonate.
Authors: HARRE M. , TRABANDT J. , WESTERMANN J. 
Published: May 2016

AbstractThe ester (V) is obtained together with the chiral auxiliary which can be reused for the preparation of (I).
ChemInform Abstract: The Crystal Structure of CsBa2Cr2F11: First Evidence of Vertex‐Sharing Octahedral Dimers in Fluorides.
Authors: FEREY G. , RENAUDIN J. , DE KOZAK A. , MARY Y. 
Published: May 2016

AbstractGreen single crystals of the title compound are prepared by melting a stoichiometric mixture of CsF, BaF2, and CrF3 at 860 °C under argon.
ChemInform Abstract: The First Structural Characterization of a Nickel(I) Macrocyclic System: Structure of Nickel(I) Diphenyldi‐p‐tolyl‐21‐thiaporphyrin.
Authors: LATOS‐GRAZYNSKI L. , OLMSTEAD M. M. , BALCH A. L. 
Published: May 2016

AbstractThe title complex (I) crystallizes in P21/c with Z=4.
ChemInform Abstract: Reversal of π‐Facial Diastereoselection Upon Electronegative Substitution of the Substrate and the Reagent.
Authors: CIEPLAK A. S. , TAIT B. D. , JOHNSON C. R. 
Published: May 2016

AbstractElectronegative substitution at C‐3 of cyclohexanones, e.g. in (I), and of methylenecyclohexanes, e.g. in (II), is found to increase the relative proportion of axial attack in a number of reactions widely differing from the points of view of the transition‐state polarization, geometry, and electron deficiency.
ChemInform Abstract: The Stereochemistry of the 1,4‐Addition of Dibromocarbene to 1,2‐Dimethylenecycloheptane.
Authors: KRAAKMAN P. A. , DE WOLF W. H. , BICKELHAUPT F. 
Published: May 2016

Abstract1,2‐ and 1,4‐addition of dibromocarbene leads to the corresponding adducts (9:1 ratio), which are reduced to give the bromides (III)‐(V).
ChemInform Abstract: Reactions with Dimethyl Carbonate. Part 3. Applications and Mechanism of Mono‐ or Bis‐methylation of Aromatic Amines with Dimethyl Carbonate.
Authors: LISSEL M. , ROHANI‐DEZFULI A. R. , VOGT G. 
Published: May 2016

AbstractIn order to substitute Me2SO4 (or MeI) by a less toxic reagent, Me2CO3 is applied.
ChemInform Abstract: Hydrated σ‐Bonded Organometallic Cations in Organic Synthesis. Part 2. Allylstannation of Aldehydes by Crotyltin Chlorides in Acid Media.
Authors: MARTON D. , TAGLIAVINI G. , VANZAN N. 
Published: May 2016

AbstractThe title reaction is carried out in the presence of aqueous 0.1‐4.0 M HClO4.
ChemInform Abstract: Allylic Stereocentre‐Directed Cyclopropanation. A New Highly Enantioselective Synthesis of Hemicaronic Aldehyde.
Authors: BERNARDI A. , SCOLASTICO C. , VILLA R. 
Published: May 2016

AbstractThe methoxycarbonylvinyloxazolidine (I) reacts with the phosphorus ylid (II) to give selectively the cyclopropane (III).
ChemInform Abstract: Efficient Regio‐ and Stereocontrolled Synthesis of Highly Functionalized Polycyclic Systems Using the Diels‐Alder Addition of Stannyl‐Substituted Vinylketeneacetals.
Authors: STORK G. , KAHNE D. 
Published: May 2016

AbstractThe vinylketeneacetal (II) obtained by deprotonation/silylation of methyl 3‐trimethylstannyl‐2‐butenoate undergoes Diels‐Alder reaction regiospecifically with the naphthoquinone (I) to give the tricyclic adduct (III).
ChemInform Abstract: Reactivity of (i‐C3H7)2GaBr with C2H5SH and C2H5SeH. Synthesis of i‐C3H7(Br)GaEC2H5 (E: S, Se).
Authors: HOFFMANN G. G. , FISCHER R. 
Published: May 2016

AbstractWith respect to the reactivity of the Ga‐C, Ga‐Br, and Ga‐E bonds the title reaction is investigated.
ChemInform Abstract: Preparation and Crystal Structure of Cs4Se16.
Authors: SHELDRICK W. S. , BRAUNBECK H. G. 
Published: May 2016

AbstractThe cesium polyselenide mentioned in the title is prepared by methanolothermal synthesis from Cs2CO3 and Se (1:4, 160 °C, 13 bar; 88% yield based on Se).
ChemInform Abstract: Generation and Cycloadditions of 2‐(N‐Acylamino)‐1‐thia‐1,3‐dienes. Structural Investigations Using NMR Methods. Part 1.
Authors: BARNISH I. T. , FISHWICK C. W. G. , HILL D. R. , SZANTAY C. JUN. 
Published: May 2016

AbstractDihydro‐2H‐thiopyrans (IV) are available via (4 + 2) cycloaddition of the novel title compounds (III) with the starting thioamides (I).
ChemInform Abstract: Synthesis and Reactions of 2‐Alkoxy‐1,1,3,3,3‐pentafluoropropenes as a Synthon for Trifluoromethylated Compounds.
Authors: KUBOTA T. , KONDOH Y. , OHYAMA T. , TANAKA T. 
Published: May 2016

AbstractHexafluoroisopropanol (I) is transformed into the O‐protected derivatives (III) which rearrange upon treatment with LDA, yielding the pentafluoropropenyl compounds (V).
ChemInform Abstract: Long‐Acting Dihydropyridine Calcium Antagonists. Part 3. Synthesis and Structure‐Activity Relationships for a Series of 2‐((Heterocyclylmethoxy)methyl) Derivatives.
Authors: ALKER D. , CAMPBELL S. F. , CROSS P. E. , BURGES R. A. , CARTER A. J. , GARDINER D. G. 
Published: May 2016

AbstractIn order to prepare calcium antagonists of the dihydropyridine‐type, the authors develop the syntheses of various 2‐(heterocyclylmethoxy)methyldihydropyridine derivatives.
ChemInform Abstract: Synthesis of N‐Acridinyl and N‐Quinolinyl Derivatives of Radioprotective Aminothiols.
Authors: DEMONCHAUX P. , LAAYOUN A. , DEMEUNYNCK M. , LHOMME J. 
Published: May 2016

AbstractTitle compounds of type (VII) protect thymidine by acting as scavengers for the water radiolysis species.
ChemInform Abstract: Organic Syntheses with Transition‐Metal Complexes. Part 37. Simple Preparation Methods for Thio‐ and Selenocarbene Complexes of Chromium, Tungsten and Manganese.
Authors: AUMANN R. , SCHROEDER J. + 
Published: May 2016

AbstractA wide variety of the title complexes such as (III) and (V) are prepared from the corresponding benzoylmetalates in two‐step procedures via acetylation and thiolysis (or selenolysis).
ChemInform Abstract: Reaction of Trifluoromethyl Ketones. Part 6. Synthesis of Trifluorinated Analogues of Monoterpenes.
Authors: NAGAI T. , OGAWA K. , MORITA M. , KOYAMA M. , ANDO A. , MIKI T. , KUMADAKI I. 
Published: May 2016

AbstractOxidation of the cyclohexene (I) produces the alcohol (II) or the ketones (III) and (IV) depending on the oxidizing agents employed.
ChemInform Abstract: Synthesis of Benzopyran Derivatives. Part 9. Unusual Behavior of 2,2‐Dimethyl‐2H‐chromene Derivatives (Precocenes) in Phenylselenenylation.
Authors: WAGNER P. , DUDDECK H. , TIMAR T. , CSUHAI E. , JASZBERENYI J. CS. 
Published: May 2016

AbstractThe title reaction of precocenes, e.g. (I) and (V), yields substitution products and does not lead to the expected C‐3/C‐4 addition products.
ChemInform Abstract: Synthesis and Structure of Na2(BeO2): Na8(OBeO2BeO2BeO2BeO).
Authors: SCHULDT D. , HOPPE R. 
Published: May 2016

AbstractSingle crystals of the title compound are obtained for the first time from the reaction of Na2O and BeO (Na: Be = 2.2:1.0, Ni‐tube, 750 °C, 21 d).
ChemInform Abstract: Kinetics of Reduction of a Series of Imidazolium Ions and Cobalt(III)‐Imidazole Complexes by 1‐Hydroxy‐1‐methylethyl Radicals.
Authors: BAKAC A. , BUTKOVIC V. , ESPENSON J. H. , LOVRIC J. , ORHANOVIC M. 
Published: May 2016

AbstractA series of eight imidazolium ions and a series of five Co‐imidazole complexes are investigated.
ChemInform Abstract: Transition‐Metal‐Diene Complexes in Organic Synthesis. Part 3. Iron‐Mediated Diastereoselective Spiroanellation to the Spiro(1,2,3,4‐tetrahydroquinoline‐4,1′‐cyclohexane) System and a Novel Rearrangement to 2,3‐Dihydroindole Derivatives.
Authors: KNOELKER H.‐J. + , BOESE R. , HARTMANN K. 
Published: May 2016

AbstractThe title spiro compounds (V) possess the substructure of the discorhabdins and prianosins, a series of compounds with cytotoxic, antimicrobial and antitumor activities isolated from marine sources.
ChemInform Abstract: Stepwise NO Chemisorption Processes on Synthetic Chrysotile Asbestos: Tubular Crystals with Acidic and Basic Surfaces.
Authors: UCHIYAMA H. , KANEKO K. , OZEKI S. 
Published: May 2016

AbstractThe adsorption isotherms obtained for the adsorption of NO at chrysotile, Mg6Si4O10(OH)8, at 303 K exhibit two steps: the first step observed at low NO pressure is due to NO adsorption at the outer, basic Mg(OH)2 surfaces of the tubular crystals, while the second step occurring at high NO pressure is caused by adsorption at the inner, acidic SiO2 surface.
ChemInform Abstract: The Influence of Support on the Availability of Nickel in Supported Catalysts for Hydrogen Chemisorption and Hydrogenation of Benzene
Authors: NARAYANAN S. , SREEKANTH G. 
Published: May 2016

Abstractis studied by surface area and acidity measurements, XRD, H2 and O2 adsorption measurements and determination of the catalytic activities.
ChemInform Abstract: Antimony(III) Compounds with SbFnOm Coordination Spheres. Crystal Structures of K(SbF2)HAsO4, NH4(SbF2)HAsO4, and Sb3O2F5.
Authors: HOLZ K. , MATTES R. 
Published: May 2016

AbstractThe compounds M(SbF2)HAsO4 (M: K, NH4) are precipitated from aqueous solutions of SbF3 and MH2AsO4 (60 °C, 1‐2 min).
ChemInform Abstract: Structural, Chemical, and Physical Properties of Rare‐Earth Metal Rhodium Carbides LnRhC2 (Ln: La, Ce, Pr, Nd, Sm).
Authors: HOFFMANN R.‐D. , JEITSCHKO W. , BOONK L. 
Published: May 2016

AbstractThe title compounds are of interest due to their potential as superconductors and ferromagnets.
ChemInform Abstract: Applications of Metalated Cyclopropenone Ketals in a General Synthesis of Cyclopropenones. An Efficient Synthesis of the Antibiotic Penitricin.
Authors: ISAKA M. , MATSUZAWA S. , YAMAGO S. , EJIRI S. , MIYACHI Y. , NAKAMURA E. 
Published: May 2016

AbstractLithiation of the cyclopropenone acetal (I) gives the intermediate (III) which reacts with the alkyl iodides (IV) to produce the cyclopropenones (V) after deprotection.
ChemInform Abstract: An Expeditious and Enantioselective Entry to the ABC Ring of the Quassinoid Skeleton.
Authors: SHING T. K. M. , TANG Y. , MALONE J. F. 
Published: May 2016

AbstractTiglic aldehyde (I) is olefinated with triethyl phosphonoacetate (II) to give the conjugated diene (III).
ChemInform Abstract: Some Mercuration Reactions of Substituted Pyrroles.
Authors: GANSKE J. A. , PANDEY R. K. , POSTICH M. J. , SNOW K. M. , SMITH K. M. 
Published: May 2016

AbstractC‐Mercuration of the N‐substituted pyrroles (I) and (IX) yields the 3‐or 2‐mercuriopyrroles (III) and (X) which are coupled with the acrylate (IV) in a Heck type reaction to give the pyrrolylacrylates (V) and (XI).
ChemInform Abstract: A Regiocontrolled Synthesis of Substituted Indoles by Palladium‐Catalyzed Coupling of 2‐Bromonitrobenzenes and 2‐Bromoacetanilides.
Authors: KASAHARA A. , IZUMI T. , MURAKAMI S. , MIYAMOTO K. , HINO T. 
Published: May 2016

AbstractThe title procedure, giving access to several derivatives of type (IV) and (IX), is characterized by its wide applicability and complete regiocontrol.
ChemInform Abstract: A “One‐Pot” Synthesis of Substituted 3‐Benzoylamino‐5‐oxo‐5,6,7,8‐tetrahydrocoumarins.
Authors: KOCEVAR M. , POLANC S. , TISLER M. , VERCEK B. 
Published: May 2016

AbstractThe 1,3‐cyclohexanediones (I) and hippuric acid (III) are heated in acetic anhydride in the presence of the ortho esters (II) or (V) or the DMF acetal (VI) to produce the coumarins (IV) mentioned in the title.
ChemInform Abstract: Interconversion of (η3‐Allyl)(η4‐conjugated‐diene)(η5‐cyclopentadienyl)zirconium and ‐hafnium Stereoisomers. Evidence for the Simultaneous Rearrangement of Diene and Allyl Ligands.
Authors: SONTAG C. , BERKE H. , SARTER C. , ERKER G. 
Published: May 2016

AbstractPhotolysis of the complexes (III) produces their stereoisomers (IV).
ChemInform Abstract: Mono‐ and Dinuclear Copper(II) Complexes Containing Tripodal Ligand and Pyridine, Imidazole or Pyrazole.
Authors: OKA H. , NAKAO Y. , SUZUKI S. , MORI W. , KINOSHITA I. , OOI S. , ICHIMURA A. 
Published: May 2016

AbstractThe equimolar reaction of Cu(ClO4)2·6 H2O with the corresponding N4 tripod ligands and pyridine, pyrazole, or imidazole (L) results in the formation of the two complex types (I) and (II).
ChemInform Abstract: Square‐Planar Complexes of Platinum(II) That Luminesce in Fluid Solution.
Authors: ZULETA J. A. , CHESTA C. A. , EISENBERG R. 
Published: May 2016

AbstractThe two new Pt(II) complexes (III) exhibit strong solution luminescence, show solvatochromic behavior, and undergo electron‐transfer quenching with both donors and acceptors.
ChemInform Abstract: Tordanone, a Twice Bent Steroid Structure with Ring A/B β‐cis(5β)‐ and Ring B/C α‐cis(8α)‐Fused.
Authors: HAAG T. , HETRU C. , LUU B. 
Published: May 2016

AbstractHydrogenation of the steroid (I) in MeOH leads to the title compound (II).
ChemInform Abstract: Synthesis of Rigid Analogues of (D,L)‐Arginine Methyl Ester with Antiarrhythmic Activity.
Authors: BANFI A. , BENEDINI F. , CASANOVA G. , PEREGO R. , TOMA L. 
Published: May 2016

AbstractStarting with p‐aminobenzoic acid (I), the cis‐ and trans‐benzoylaminocyclohexanecarboxylates (V) are prepared via hydrogenation, esterification, and N‐acylation.