bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Synthesis and Liquid Crystalline Properties of the Compounds Consisting of a Schiff Base Type Mesogen and a Dyad Type Aromatic Ester Structure Interconnected Through the Central Hexamethylene Spacer.
Authors: JIN J.‐I. , KIM H.‐S. , SHIN J.‐W. , CHUNG B. Y. , JO B.‐W. 
Published: May 2016

AbstractThe title compounds (IIIa) prove to be enantiotropic and form smectic and nematic phases.
ChemInform Abstract: Synthesis and Structure of 1,11‐o‐Benzeno(2)orthocyclo(2)(4,5)tropolonophane.
Authors: FUKAZAWA Y. , OKAJIMA T. , USUI S. 
Published: May 2016

AbstractThe troponophane (I) is oxidized to form the endo‐peroxide (II) which is reduced with thiourea, producing the equilibrating regioisomers (III) and (IV).
ChemInform Abstract: Vinylogous Carbinolamine Tumor Inhibitors. Part 25. Synthesis and Chemical Reactivity of C‐5 Substituted 6,7‐Bis(hydroxymethyl)‐1H‐pyrrolizine Biscarbamate Tumor Inhibitors.
Authors: ANDERSON W. K. , MACH R. H. 
Published: May 2016

AbstractA series of C‐5 substituted pyrrolizine biscarbamate alkylating agents (III), (IV), (VI), (VII), (VIII) (likewise prepared starting from (I)) is synthesized and evaluated in an in vitro alkylation assay.
ChemInform Abstract: On the Reaction of N‐Vinyliminophosphoranes. Part 15. Synthesis and Spectroscopic Properties of 1‐Azamethanocyclopentacycloundecene Ring System.
Authors: NITTA M. , KANOMATA N. , TADA M. 
Published: May 2016

AbstractThe 3,8‐methano‐(11)annulenone (I) reacts with the iminophosphoranes (II) to give the fused pyrroles (III) and (IV).
ChemInform Abstract: Reaction of Polyfluorinated Copper(II) β‐Diketonates and β‐Ketoesterates with Hydrazine.
Authors: KONDRAT'EV P. N. , SKRYABINA Z. E. , SALOUTIN V. I. , PASHKEVICH K. I. , KLYUEV N. A. , ALEKSANDROV G. G. 
Published: May 2016

AbstractThe copper chelates (I) and (IV) are coupled with the hydrazine hydrochlorides (II) to give the pyrazoles (III) and (V) respectively.
ChemInform Abstract: Syntheses of Some 2‐Methyl‐3‐(p‐methoxy)cinnamoylchromones.
Authors: MAZUMDAR A. K. D. , DAS S. C. , SAHA G. C. , BANERJI K. D. 
Published: May 2016

AbstractCondensation of the o‐hydroxyacetophenones (II) with p‐methoxycinnamic acid (I) yields the esters (III) which undergo pyridine‐catalyzed rearrangement to form the diketones (IV).
ChemInform Abstract: 2‐(Trifluoroacetyloxy)pyrydine as a Mild Trifluoroacetylating Reagent of Amines and Alcohols.
Authors: KEUMI T. , SHIMADA M. , MORITA T. , KITAJIMA H. 
Published: May 2016

AbstractThe new title compound (III) is a useful reagent for trifluoroacetylating a variety of amines such as (IV) and alcohols such as (VI).
ChemInform Abstract: Room Temperature Generation of Reactive Intermediates Cp*2Zr=O and Cp*2Zr=S: Trapping Reactions with Unsaturated Organic Molecules and Dative Ligands.
Authors: CARNEY M. J. , WALSH P. J. , BERGMAN R. G. 
Published: May 2016

AbstractThe title compounds (III) and (IX), obtained by deprotonation of their precursor complexes with a hindered base, are trapped by various unsaturated organic molecules and dative ligands as outlined in the scheme.
ChemInform Abstract: Reactivity of Hydroxo, Hydroperoxo and Peroxo Platinum(II) Derivatives Towards Carbon Oxides.
Authors: PORTA F. , RAGAINI F. , CENINI S. , SCIACOVELLI O. , CAMPOREALE M. 
Published: May 2016

AbstractThe reactions of the hydroperoxo complex (I), its phthalimide analogue, and the aryloxy analogues (VI) as well as of the hydroxo complex (VIII) and its phthalimide analogue with CO2 (II) and CO (IX) are studied.
ChemInform Abstract: Structure and Synthesis of the Metribuzin Blue Dye. Synthesis and Reactions of 2,5‐Dihydrazino‐1,3,4‐thiadiazole and Its Derivatives.
Authors: JACKMAN D. E. 
Published: May 2016

AbstractA blue pigment which sometimes accompanies the manufacture of the triazine herbicide metribuzin (V) from the compounds (I) and (II) is identified as the novel thiadiazole formazan (IX) which arises from the reaction of two impurities (VIII) and (VII).
ChemInform Abstract: Stereospecific Friedel‐Crafts Alkylation of Benzene with 4‐Mesyloxy‐L‐prolines. A New Synthesis of 4‐Phenylprolines.
Authors: KRONENTHAL D. R. , MUELLER R. H. , KUESTER P. L. , KISSICK T. P. , JOHNSON E. J. 
Published: May 2016

AbstractThe trans‐hydroxyprolinate (I) is converted to the mesyloxy compound (IV), the chloro (V), or the fluoro derivative (VI).
ChemInform Abstract: Synthesis and Bioactivity of a New Class of Rigid Glutamate Analogues. Modulators of the N‐Methyl‐D‐aspartate Receptor.
Authors: KOZIKOWSKI A. P. , TUECKMANTEL W. + , REYNOLDS I. J. , WROBLEWSKI J. T. 
Published: May 2016

AbstractEsterification of the dibromoglutaric acid (I) with benzyl alcohol (II) gives the dibenzyl ester (IIIc).
ChemInform Abstract: Cross Sections and Product Kinetic Energy Analysis of H2O+‐H2O Collisions at Suprathermal Energies.
Authors: LISHAWA C. R. , DRESSLER R. A. , GARDNER J. A. , SALTER R. H. , MURAD E. 
Published: May 2016

AbstractThe H2O+‐H2O reaction is studied at center‐of‐mass collision energies in the range 0.5‐25 eV.
ChemInform Abstract: MnGaScS4 and MnGa1.5Sc0.5S4, two New Compounds in the System MnGa2S4‐MnSc2S4.
Authors: HAEUSELER H. , STORK H. J. 
Published: May 2016

AbstractXRD results obtained for quenched samples of the title system reveal the presence of two intermediate phases: a phase of composition MnGa2‐2xSc2xS4 (I) with 0.2 ≦ x ≦ 0.3 and the new olivine‐type compound MnGaScS4 (II) (i.e., x = 0.5), which exhibits no phase width.
ChemInform Abstract: Ternary Equiatomic Hafnium‐Transition Metal Silicides.
Authors: ZHAO J. T. , PARTHE E. 
Published: May 2016

AbstractSamples of nominal composition HfMSi (M: Mn, Fe, Co, Ni, Mo, W, Re, Ru, Os, Rh, Ir, Pd, Pt) are prepared by arc melting under argon atmosphere and characterized by XRD.
ChemInform Abstract: Characterization of Silane‐Reduced Tungsten Films Grown by CVD as a Function of Si Content.
Authors: SUZUKI M. , KOBAYASHI N. , MUKAI K. , KONDO S. 
Published: May 2016

AbstractThe electrical resistivity, stress, and morphology of tungsten films on Si‐substrates, prepared by low pressure CVD using WF6/SiH4 gas mixtures, strongly depend on the Si content in the films.
ChemInform Abstract: Morpholinoallenes by Conjugate Cuprate Addition to (2‐Propynylidene)morpholinium Triflates.
Authors: MAYER T. , MAAS G. 
Published: May 2016

AbstractThe iminium salt (I) reacts with the cuprates (II) in tetrahydrofuran to yield the propadienylmorpholines (III).
ChemInform Abstract: Effect of Micellar Medium on Photoanellation vs. Energy Transfer in the System Excited Cyclohex‐2‐en‐1‐one‐cyclopentadiene.
Authors: KUMAR M. S. , RAO J. M. 
Published: May 2016

AbstractThe photoreactions between cyclohex‐2‐en‐1‐one or its 4,4‐dimethyl derivative and cyclopentadiene afford mixtures of (4 + 2) and (2 + 2) cycloadducts and a new hydrocarbon C15H18.
ChemInform Abstract: gem.‐Difluorocyclopropanes Carrying Oxygen‐Functional Substituents.
Authors: SCHLOSSER M. , BESSARD Y. 
Published: May 2016

AbstractStarting from the protected allyl alcohols (I) or (XI) the gem.‐difluorocyclopropyl alcohols (IV) and (XII) are prepared by addition of difluorocarbene and subsequent deprotection.
ChemInform Abstract: High‐Pressure Cycloaddition of Tropones to Ethoxyethene. An Occurrence of (4 + 2) and (8 + 2) Cycloadditions.
Authors: MORI A. , LI Z.‐H. , TAKESHITA H. 
Published: May 2016

AbstractCycloaddition of (I) and (VI) with (II) gives (4 + 2) and (8 + 2) cycloadducts.
ChemInform Abstract: Synthesis of 4‐Nitro‐3,3,7‐trimethyl‐2‐(2‐hydroxystyryl)indolenines.
Authors: PRZHIYALGOVSKAYA N. M. , MANAKOVA I. V. , KURKOVSKAYA L. N. , SUVOROV N. N. 
Published: May 2016

AbstractThe trimethylindolenine (III), prepared in situ from the nitrophenylhydrazine (I) and methyl isopropyl ketone (II), is coupled with the salicylaldehydes (IV) to give the 2‐styrylindolenines (V) in low yields.
ChemInform Abstract: Rearrangement of 1‐Acetylindoxyl Oxime into 1‐Acetyl‐2‐acetoxy‐3‐iminoindoline Hydrogen Sulfate.
Authors: VELEZHEVA V. S. , RYABOVA S. YU. , ALEKSEEVA L. M. 
Published: May 2016

AbstractThe indoxyl oxime (I) and its O‐acetyl derivative (VI) are coupled with acetic anhydride (II) and sulfuric acid to give the 2‐acetoxyindoles (III) and (VII) respectively.
ChemInform Abstract: Unexpected Formation of 3‐Substituted 4,6‐Dinitroanthranils During the Oxidation of Anionic σ‐Complexes of 1,3,5‐Trinitrobenzene.
Authors: KOVALENKO S. V. , ARTAMKINA G. A. , TERENT'EV P. B. , SHEVTSOV V. K. , BELETSKAYA I. P. , REUTOV O. A. 
Published: May 2016

AbstractOxidation of the trinitrobenzene σ‐complexes (I) with the system CCl4/ CuBr leads to the formation of the dinitroanthranils (II).
ChemInform Abstract: N‐(α‐Lithioalkyl)tetrazoles and Their Reactions with Electrophiles.
Authors: MOODY C. J. , REES C. W. , YOUNG R. G. 
Published: May 2016

AbstractLithiation of the alkyltetrazoles (I) and (VIII) followed by reaction with the electrophiles (II), (IV), or (VI) yields the derivatives (III), (V), (VII), and (IX) respectively.
ChemInform Abstract: Synthesis of α‐Phenyldinicotinic Acid Derivatives and 2‐Phenyl‐3,5‐di‐(5‐phenyl‐2‐oxazolyl)pyridine.
Authors: PROSTAKOV N. S. , KIRILLOVA L. M. , KLYAVINA I. V. , ZAKHAROV P. I. , KHARLAMOVA M. D. , ALIEV A. E. 
Published: May 2016

AbstractStarting with α‐phenyldinicotinic acid (I), the dichloride (II) and the amides (IV) are prepared.
ChemInform Abstract: Syntheses of Noncyclic Diamides with a Pyridine Ring Moiety and Their Transport Abilities for Transition Metal Ions.
Authors: DOHNO R. , OHOFUCHI S. , MIURA T. , KASEDA S. , HAKUSHI T. 
Published: May 2016

AbstractStarting with diethylenetriamine (I), whose primary amino groups are blocked by formation of the bisazomethine (II), the diamides (VII) are synthesized as outlined in the reaction scheme.
ChemInform Abstract: Antiparasitic Agents. Part 13. Synthesis and Anthelmintic Activity of 6‐ and 8‐(2,4‐Dioxoquinazolin‐3‐yl)‐1‐substituted‐9H‐pyrido(3,4‐b)indoles, 6‐ and 8‐(2‐Methyl‐5‐acetamidobenzimidazol‐1‐yl)‐1‐substituted‐9H‐pyrido(3,4‐b)indoles and 6‐(2‐Carbomethoxyamino‐5‐(N,N′‐dicarbomethoxyguanidino)benzimidazol‐1‐yl)‐1‐phenyl‐9H‐pyrido(3,4‐b)indole.
Authors: AGARWAL A. , AGARWAL S. K. , BHAKUNI D. S. , GUPTA S. , KATIYAR J. C. 
Published: May 2016

AbstractPositive anthelmintic effects are observed for (IIIb), (Vb), (XI) and (XIV) with the latter compound being the most active one.
ChemInform Abstract: 1,3‐Dipolar Cycloaddition Reactions of Ylides Formed from Pyridines and Dichlorocarbene.
Authors: KHLEBNIKOV A. F. , KOSTIK E. I. , KOSTIKOV R. R. , BESPALOV V. YA. 
Published: May 2016

AbstractReaction of the pyridines (I) or (V) with dichlorocarbene, generated in situ from chloroform (II), and dimethyl maleate (III) followed by oxidation gives the indolizines (IV) or (VI) and (VII).
ChemInform Abstract: Synthesis of 5‐Hydroxyalkyl‐ and 5‐Alkenyl‐1,3‐dioxanes.
Authors: ZLOTSKII S. S. , LESNIKOVA E. T. , RAKHMANKULOV D. L. , TIMPE H.‐J. 
Published: May 2016

AbstractProducts of reduction (→ (II)), Grignard reaction (→ (VI)), and Wittig reaction (→ (X)) of the dioxane substrates (I) are synthesized.
ChemInform Abstract: Unexpected Routes to Naphthoporphyrin Derivatives.
Authors: CALLOT H. J. , SCHAEFFER E. , CROMER R. , METZ F. 
Published: May 2016

AbstractTreatment of the styrylcobalt(III)porphyrin (I) with < 5·103 moles of TFA per mole of porphyrin unexpectedly affords the naphthoporphyrins (II) and (III) along with the expected "normal" product, i.e. demetalated (I).
ChemInform Abstract: Tricyclic Oxonium‐Directed Addition: Regiochemistry and Stereochemistry of the Iodination Reactions of 2,3‐Epoxycyclooct‐5‐en‐1‐ols and 2,3‐Epoxy‐5‐en‐1‐one.
Authors: ALVAREZ E. , DIAZ M. T. , RODRIGUEZ M. L. , MARTIN J. D. 
Published: May 2016

AbstractThe known cyclooctadienol (I) is epoxidized under different conditions, yielding mixtures of the cis‐ (II) and trans‐epoxycyclooctenols (III) with predominance of the former.
ChemInform Abstract: Synthesis and Characterization of Monosubstituted Borane Adducts of Diethyl ((Dimethylamino)methyl)phosphonate.
Authors: MITTAKANTI M. , CHARANDABI M. R. M. D. , MORSE K. W. 
Published: May 2016

AbstractThe borane adducts (III), (IV), (V), (VI), and (VII) are synthesized as shown starting with the cyanoborane adduct (I).
ChemInform Abstract: Phosphorus‐Nitrogen Compounds. Part 64. The Reactions of Hexachlorocyclotriphosphazatriene with 2,2‐Dimethylpropane‐1,3‐diol. Nuclear Magnetic Resonance Studies of the Products.
Authors: AL‐MADFA H. A. , SHAW R. A. , TURE S. 
Published: May 2016

AbstractProduct types and relative yields are compared with those arising from propane‐1,3‐diol.
ChemInform Abstract: A New Type of Metal‐Olefin Complex. Synthesis and Characterization of Four Compounds That Contain an Ethylene Bridge Perpendicularly Bisecting a Metal‐Metal Axis.
Authors: COTTON F. A. , KIBALA P. A. 
Published: May 2016

AbstractThe edged‐sharing bioctahedral dimers Zr2X6(PEt3)4 prepared by reduction of ZrX4 (I) in the presence of PEt3 (II) readily reacts with 1,2‐dichloroethane (III) to give the metal‐olefin complexes (IVa) (space group Pbca, Z=4) and (IVb) ( P21/n, Z=2) of a novel type.
ChemInform Abstract: Carbonyliron Complexes of Allenic Acids, Esters, Amides, and Imides.
Authors: TRIFONOV L. S. , ORAHOVATS A. S. , HEIMGARTNER H. 
Published: May 2016

AbstractOn irradiation in the presence of Fe(CO)5, the allenic amide (V) and imide (VII) show a similar course of complexation to that of esters and lactones.
ChemInform Abstract: Preparations and Structures of Two Polynuclear Aggregates Obtained by Using the Metallaligand (ClAuPPh2CH2)2AsPh.
Authors: BALCH A. L. , FUNG E. Y. , OLMSTEAD M. M. 
Published: May 2016

AbstractThe polynuclear compounds (III) (space group P21/n, Z=4) and (VI) (P1, Z=4) are synthesized and characterized by X‐ray analysis.
ChemInform Abstract: A Novel Slipped Tripledecker Complex with a 3,4‐Diborafulvene as Bridging Ligand.
Authors: HERBERICH G. E. , GANTER C. , WESEMANN L. , BOESE R. 
Published: May 2016

AbstractX‐Ray structure analysis of the tripledecker complex (III) (space group P21/c, Z=4) confirms that one (cod)Rh fragment is η5‐bonded and the second (cod)Rh fragment is η4‐bonded to the exocyclic CH2 group and to the three C atoms of the ring resembling a trimethylenemethane complex.
ChemInform Abstract: Synthesis of the 6‐C‐Methyl and 6‐C‐(Hydroxymethyl) Analogues of N‐Acetylneuraminic Acid and of N‐Acetyl‐2,3‐didehydro‐2‐deoxyneuraminic Acid.
Authors: VASELLA A. , WYLER R. 
Published: May 2016

AbstractTo study the effect of substituents on the upper side of the pyranose ring of sialic acids upon the inhibition of neuraminidases, the C2‐branched derivatives (Ib), (IIb) and (IIc) of N‐acetylneuraminic acid (Ia) and its 2,3‐didehydro‐2‐deoxy derivative (IIa) are prepared possessing non‐polar methyl and polar hydroxymethyl groups.
ChemInform Abstract: Cytotoxic Cyclitols. Synthesis of Ethanolamino and Haloethylamino Derivatives of Methylsulfonylated Cyclitols.
Authors: CADENAS R. A. , ELIAS C. , GELPI M. E. 
Published: May 2016

AbstractThe mesylated inosamine hydrochloride (IV) prepared from the protected cyclitol (I) as outlined in the reaction scheme reacts with ethylene oxide (V) to give the diethanolamino derivative (VI).
ChemInform Abstract: Synthesis of Isoquinoline Precursors by Photoamination of Stilbenes with Bifunctional Alkylamines.
Authors: YASUDA M. , KUBO J. , SHIMA K. 
Published: May 2016

AbstractThe N‐substituted diarylethylamines (III) are prepared by photochemical reaction of the stilbenes (I) with the primary amines (II).
ChemInform Abstract: Synthesis of the Potent Antiviral Oxetane Nucleoside Epinoroxetanocin from D‐Lyxonolactone.
Authors: WANG Y. , FLEET G. W. J. , STORER R. , MYERS P. L. , WALLIS C. J. , DOHERTY O. , WATKIN D. J. , VOGT K. , WITTY D. R. , WILSON F. X. , PEACH J. M. 
Published: May 2016

AbstractBesides the synthesis of the title compound (IX) from D‐lyxonolactone (I) via the intermediate (VIII) (X‐ray structure, but no data given), a brief comparison of its in vitro activity against HIV‐1 with those of oxetanocin (Xa) and noroxetanocin (Xb) is presented.
ChemInform Abstract: Characterization of Synthetic Diamond Thin Films.
Authors: RAMESHAM R. , ROPPEL T. , ELLIS C. , HAJEK B. F. 
Published: May 2016

AbstractFree‐standing diamond thin films and as‐deposited thin films on a Si substrate, prepared by high‐pressure, microwave plasma assisted chemical vapor deposition from a CH4/H2 mixture, are analyzed by SEM, Raman spectroscopy, and XRD.
ChemInform Abstract: Electronmicroscopic Investigations on Disordered Crystals of O‐LaTa3O9, M‐CeTa3O9, and M2‐PrTa3O9 ‐ Proof of a New M1‐CeTa3O9 Modification.
Authors: STEINMANN G. , GRUEHN R. , LANGENBACH‐KUTTERT B. 
Published: May 2016

AbstractOn the basis of the high resolution electron microscopic results, structural imperfections within orthorhombic O‐LaTa3O9 (space group Pnma, Z=4) and monoclinic M2‐PrTa3O9 (P21/m, Z=2) are discussed.
ChemInform Abstract: BaCu8P4 and BaCu8As4: Preparation, Structure Determination, and HRTEM Investigations.
Authors: PILCHOWSKI I. , MEWIS A. , WENZEL M. , GRUEHN R. 
Published: May 2016

AbstractSingle crystals of the title compounds are obtained from reactions of the elements at 1200 °C (slight excess of Ba, sealed quarz‐ampoule, argon).
ChemInform Abstract: Structure of a New Modification of Phosphorus Sulfide P4S9.
Authors: WALLIS B. , WOLF G.‐U. , LEIBNITZ P. 
Published: May 2016

AbstractA new modification of P4S9, denoted as P4S9‐III, is obtained besides P4S9‐I from the reaction of P4S10 with iPrOH (1:4 molar ratio) and isolated by repeated fractional crystallization from CS2.
ChemInform Abstract: Solid‐State Conformations of Medium‐Sized‐Ring Phosphorus Heterocycles: X‐Ray Crystal Structures of Two Norbornene‐Fused 1,3,2‐Dioxaphosphepanes with Equatorially Disposed Substituents on Phosphorus.
Authors: SETZER W. N. , BROWN M. L. , ARIF A. , VANDERVEER D. G. 
Published: May 2016

AbstractThe seven‐membered‐ring phosphorus heterocycles (Ia) (space group P21/c, Z=4) and (Ib) (P212121, Z=4) are synthesized by equimolar reaction of 5‐norbornene‐endo,endo‐2,3‐dimethanol with phenyl dichlorophosphate or phenylphosphonic dichloride in the presence of NEt3 as diastereomeric mixtures with their cis isomers and separated by preparative HPLC.
ChemInform Abstract: Phosphato Complexes of Platinum(II): 31P NMR and Kinetics of Formation and Isomerization Studies.
Authors: BOSE R. N. , GOSWAMI N. , MOGHADDAS S. 
Published: May 2016

AbstractOrtho‐, pyro‐ and triphosphate anions form monodentate complexes with chloro(diethylenetriamine)platinum(II) chloride and various chelates with PtCl2(en) in the pH range 2‐11. Rate constants for these reactions are determined and the various phosphate complexes are characterized by 31P NMR spectroscopy.
ChemInform Abstract: Novel Generation and Regio‐ and Stereospecific 1,3‐Dipolar Cycloaddition of 2‐Ethoxycarbonyl‐3,3‐dimethyl‐3H‐indolium 1‐Methanide.
Authors: FISHWICK C. W. G. , JONES A. D. , MITCHELL M. B. , EGGLESTON D. S. , BAURES P. W. 
Published: May 2016

AbstractReaction of the 3H‐indole (I) with trimethylsilylmethyl triflate (II) and the electron deficient dipolarophiles (III), (V), or (VII) results in cyclization to produce the fused dihydroindoles (IV), (VI), and (VIII) respectively.
ChemInform Abstract: Corner Attack on Cyclopropane by Thallium(III) Ions. A Highly Stereospecific Cleavage and Skeletal Rearrangement of 3α,5‐Cyclo‐5α‐cholestan‐6α‐ol.
Authors: KOCOVSKY P. , POUR M. , GOGOLL A. , HANUS V. , SMRCINA M. 
Published: May 2016

AbstractEvidence is presented for stereospecific corner attack at the cyclopropane ring of model compound (Ia) by Tl(III) leading to (IIa) via a double‐inversion pathway.
ChemInform Abstract: A Convenient Synthesis of 3‐(1,3‐Alkadienyl)‐2‐cycloalken‐1‐ones.
Authors: LU X. , GUO C. , MA D. 
Published: May 2016

AbstractRu(II)‐catalyzed isomerization of the alkynylcycloalkenones (I) in benzene yields the alkadienylcycloalkenones (II).
ChemInform Abstract: 1,2‐ and 1,4‐Stereoinduction in Reactions of Chiral Radicals.
Authors: GIESE B. , ZEHNDER M. , ROTH M. , ZEITZ H.‐G. 
Published: May 2016

AbstractIt is shown that the atom abstraction by the chiral radical (III), which is formed in the radical chain reaction of the fumaramide (I) with the tert.‐butyl radical, occurs also stereoselectively leading to the final products (IVa) + (IVb).
ChemInform Abstract: Coupling of Allenes and Carbon Dioxide Catalyzed by Electrogenerated Nickel Complexes.
Authors: DERIEN S. , CLINET J.‐C. , DUNACH E. , PERICHON J. 
Published: May 2016

AbstractElectrolysis of the allenes (I) and (V) in a carbon dioxide atmosphere under pressure and in the presence of a Ni(II) complex results in reductive carboxylation, forming predominantly the unsaturated carboxylic acids (III) and (IV) or (VI) and (VII).
ChemInform Abstract: Lewis Acid‐Mediated Addition of Lithiated Alkyl Phenyl Sulfones and Oxiranes. A Method for Synthesis of α,β‐Unsaturated Ketones.
Authors: MARCZAK S. , WICHA J. 
Published: May 2016

AbstractReaction of the phenyl sulfones (I) with the epoxides (II) after treatment with a base results in cleavage of the oxirane ring, forming the γ‐hydroxy sulfones (III).
ChemInform Abstract: Direct Oxidation of 1‐Naphthaldehydes to 2‐Substituted 1,4‐Naphthoquinones: Application to the Chemoselective Syntheses of Pyrano‐ and Furano‐1,2‐naphthoquinones.
Authors: GUPTA R. B. , FRANCK R. W. 
Published: May 2016

AbstractCycloaddition reaction of the isoquinolinium chloride (I) with the vinyl ethers (II) followed by acid‐catalyzed cleavage of the intermediates (IV) yields the aromatic aldehydes (V) and (VII) which are transformed into the 1,4‐naphthoquinones (VI), (VIII), (IX), and (X).
ChemInform Abstract: Synthesis and Photoreactions of Some Spiro(cycloalkanephenalenes).
Authors: HEMPENIUS M. A. , LUGTENBURG J. , CORNELISSE J. 
Published: May 2016

AbstractThe reaction of the phenalenyl anion with dibromoalkanes leads to the tetrahydropyrenes (III) and (IV) or to the title spiro compounds (VI) which show different behavior on irradiation.
ChemInform Abstract: Formation, Synthetic Utility, and Structure Elucidation of a 2‐Bromomethyl‐1,4‐dihydropyridine.
Authors: ALKER D. , SWANSON A. G. 
Published: May 2016

AbstractThe dihydropyridine (I) reacts with pyridinium tribromide to give mainly the monobromomethyl derivative (II) which is coupled with the compounds (III) to form the substitution products (IV).
ChemInform Abstract: Macro‐Rings Designed for Uncharged Molecule Complexation. Synthesis, Complex Formation, and Structural Studies of New Pyridino Crowns (I) and (II) Incorporating Resorcinol and Hydroquinone Building Blocks. X‐Ray Crystal and Molecular Structure of a 22‐Membered Pyridino Crown (III).
Authors: WEBER E. , KOEHLER H.‐J. + , PANNEERSELVAM K. , CHACKO K. K. 
Published: May 2016

AbstractCrystal structure analysis of the pyridino crown (III) (space group P1, Z=4) reveals that two independent molecules with different conformations are present in the crystal having steric factors highly unfavourable for complex formation.
ChemInform Abstract: Phosphorochloridate and Dichlorothioate Ions: Aprotic Access and Evidence for Chloride Ion Release to Form Metaphosphate Type Intermediates.
Authors: TEICHMANN H. , SCHULZ J. 
Published: May 2016

AbstractMonomeric, non‐coordinated salts of the dichlorophosphoric, dichlorophosphorothioic and dithioic acid (III) and (IV) are obtained in high yields by dealkylation of the corresponding methyl esters (I) using quaternary ammonium (II) or phosphonium halides.
ChemInform Abstract: A Convenient Synthesis of Alkyl and Dialkyl 1‐Benzyloxyamino Alkyl Phosphonates and Phosphinates.
Authors: ELHADDADI M. , JACQUIER R. , GASTAL F. , PETRUS C. , PETRUS F. 
Published: May 2016

AbstractThe title compounds (III), (IV) and (VI) are prepared by an easy and general pathway.
ChemInform Abstract: Water‐Soluble Metal Complexes and Catalysts. Part 4. 2,2′‐Bipyridine‐5‐sulfonic Acid: Synthesis, Purification, Derivatives and Metal Complexes.
Authors: HERRMANN W. A. , THIEL W. R. , KUCHLER J. G. 
Published: May 2016

AbstractThe title compound (II) is prepared by Hg(II)‐catalyzed sulfonation shown in the scheme and converted into its salts (III) and into the sulfonamides (V).