bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Deprotonation of the Adducts of β‐Dicarbonyl Anions and ((η4‐Diene)Co(CO)3)BF4.
Authors: BARINELLI L. S. , LI Z. , NICHOLAS K. M. 
Published: May 2016

AbstractThe adducts (III) and (VII) of the stabilized enolates (II) and the (η4‐1,3‐diene)Co(I) complexes (I) and (VI) undergo deprotonation and subsequent reactions to form either hydrofurans (IV) and (VIII), cyclopropanes (V), or α,β,γ,δ‐diunsaturated dicarbonyl derivatives (IX) depending on the reacting diene complex and the β‐dicarbonyl component.
ChemInform Abstract: Preparation and Structural Studies of Diphenylthiophosphinito Rhodium(III) Complexes. X‐Ray Structure Analysis of (((C5Me5)Rh)2(μ‐Cl)2(μ‐Ph2PS))(BPh4).
Authors: PINILLOS M. T. , JARAUTA M. P. , CARMONA D. , ORO L. A. , APREDA M. C. , FOCES‐FOCES C. , CANO F. H. 
Published: May 2016

AbstractThe tri‐μ‐hydroxo‐Rh2 complex (I) reacts with three equiv. diphenylphosphine sulfide (II) as shown to give the tris‐μ‐diphenylphosphinito derivative (IIIa).
ChemInform Abstract: Chemistry of O‐Silylated Ketene Acetals: A Synthesis of β‐Lactam Antibiotics.
Authors: KITA Y. , TAMURA O. , SHIBATA N. , MIKI T. 
Published: May 2016

AbstractSulfoxides of type (I) react with the alkene (II) via a Pummerer‐type rearrangement to give azetidinones which may be used for the preparation of carbapenem antibiotics.
ChemInform Abstract: A Facile Synthesis of Cotton Bollworm (Heliothis armigera) Pheromone Components: (Z)‐11‐Hexadecenal and (Z)‐9‐Hexadecenal.
Authors: MITHRAN S. , MAMDAPUR V. R. 
Published: May 2016

AbstractThe synthetic approach to (VII), (VIII) is superior to reported syntheses which are either multi‐step or involve expensive reagents.
ChemInform Abstract: Synthesis in the Field of Podophyllotoxin and Related Analogues. Part. 6. Synthesis of o‐Xylene and Benzodioxane Analogues of Tridemethoxy‐β‐apopicropodophyllin and Synthesis of Ethyl 6,7‐Ethylenedioxy‐1,2,3,4‐tetrahyro‐2‐hydroxymethyl‐4‐(3′,4′,5′‐trimethoxyphenyl)‐1‐oxo‐3‐naphthoate as an Intermediate for Benzodioxane Analogue of β‐Apopicropodophyllin.
Authors: ANJANAMURTHY C. , SHASHIKANTH S. 
Published: May 2016

AbstractThe intermediate (IX) of (Xa) and the title compounds (Xb) and (Xc) are prepared as shown.
ChemInform Abstract: Characterization of Material for Low‐Temperature Sintered Multilayer Ceramic Substrates.
Authors: HSU J.‐Y. , WU N.‐C. , YU S.‐C. 
Published: May 2016

AbstractSiO2, CaO, B2O3, and MgO are used as additives to Al2O3 to decrease the firing temp. by liquid‐phase sintering and several properties, which are important for the application of the resulting materials as electronic substrates are studied (e.g.
ChemInform Abstract: Friauf‐Laves Phases in the Ta1‐xAlxT2 and Ta1‐xSixT2 (T: Cr, Mn, Fe, Co, Ni) Systems.
Authors: BLAZINA Z. , PAVKOVIC S. 
Published: May 2016

AbstractThe compositional ranges in which Friauf‐Laves phases of the title systems exist are determined by XRD and metallographic techniques.
ChemInform Abstract: Physicochemical Studies on Solid Solutions of Calcium Phosphorus Arsenic Hydroxyapatites
Authors: MAHAPATRA P. P. , MAHAPATRA L. M. , MISHRA B. 
Published: May 2016

AbstractCa10(PO4)6‐x(AsO4)x(OH)2 with x = 1‐6, prepared in aqueous media at 100 °C are performed by XRD, IR, electron microscopy, TGA and DTA.
ChemInform Abstract: Synthesis and Structure of Polynuclear Peroxofluorozirconates K6Zr3F12(O2)3·2 H2O2·2 H2O.
Authors: CHERNYSHOV B. N. , DIDENKO N. A. , BUKVETSKII B. V. , GERASIMENKO A. V. , KAVUN V. YA. , SERGIENKO S. S. 
Published: May 2016

AbstractThe complex formation in the system ZrOCl2·8 H2O‐KF·2 H2O‐H2O2 is investigated by 19F NMR spectroscopy.
ChemInform Abstract: Domino and Pincer Cycloadditions with syn‐o,o′‐Dibenzenes: Pressure Dependence and Mechanistic Implications.
Authors: KLAERNER F.‐G. + , ARTSCHWAGER‐PERL U. , FESSNER W.‐D. , GRUND C. , PINKOS R. , MELDER J.‐P. , PRINZBACH H. 
Published: May 2016

AbstractThe regioselectivity of the cycloaddition reactions between the dibenzo‐fused cage compounds (I) and dienophiles such as dicyanoacetylene (II) is investigated under various conditions.
ChemInform Abstract: (3,3) Sigmatropic Rearrangements in Indoloazabicyclo(3.3.1)nonene Systems. Reversal of the Stereofacial Selectivity in the Claisen vs the Ortho Ester Claisen Rearrangement.
Authors: ZHANG L.‐H. , TRUDELL M. L. , HOLLINSHEAD S. P. , COOK J. M. 
Published: May 2016

AbstractRegardless of the bulkiness of the substituent R, both allylic alcohols (I) undergo acid‐catalyzed ortho ester Claisen rearrangement preferentially from the β‐face of the molecule to give the diastereomers (III) and (IV) as main products (X‐ray structure of (IIIb): space group P21/n, Z=4).
ChemInform Abstract: Non‐Concerted Pathways in the Generation of Dehydroarenes by Thermal Decomposition of Diaryliodonium Carboxylates.
Authors: LUIS S. V. , GAVINA F. , FERRER P. , SAFONT V. S. , TORRES M. C. , BURGUETE M. I. 
Published: May 2016

AbstractThe dehydroarenes (I)‐(III) are generated in the thermal decomposition of appropriate diaryliodonium carboxylates as demonstrated by the use of the three phase test, where precursors and trapping agents are bound to different resins.
ChemInform Abstract: Enantioselective Synthesis of Cyclohexene Nitroaldehydes.
Authors: MORENO M. C. , PLUMET J. , ROMAN E. , SERRANO J. A. , RODRIGUEZ M. L. , RUIZ‐PEREZ C. 
Published: May 2016

AbstractThe acetoxylated manno‐ (Ia) or galacto‐nitroalkenes (Ib) are subjected to Diels‐Alder reaction with 2,3‐dimethylbutadiene (II) to form the cyclohexenes (III) and (IV).
ChemInform Abstract: Synthesis and Antiviral Activity of 2,7‐Bis(alkoxycarbonylmethoxy)‐9‐fluorenones.
Authors: LITVINOVA L. A. , LYAKHOV S. A. , ZHUKOVA N. A. , ANDRONATI S. A. , MUSIENKO V. I. , YASINSKAYA O. G. , VINOGRAD I. A. , KOZLOVSKII M. M. , PENTSARSKII O. YA. 
Published: May 2016

AbstractThe dihydroxyfluorenones (I) react with the bromoacetic acid esters (II), yielding the bis(alkoxycarbonylmethoxy)fluorenones (III).
ChemInform Abstract: 4‐((tert‐Butyldiphenylsilyl)oxy)‐2‐(tributylstannyl)‐2E‐buten‐1‐ol: A Useful Precursor for Tetrahydrofuran Synthesis.
Authors: BARRETT A. G. M. , BARTA T. E. , FLYGARE J. A. 
Published: May 2016

AbstractThe 2‐tributylstannylbutenediol (I) is transformed into the monosilylated derivative (III) which forms a dianion salt upon treatment with butyllithium.
ChemInform Abstract: Synthesis and Antiviral Activity of 2‐Benzyl(isobutyl)‐5‐hydroxybenzofuran Derivatives.
Authors: LYUBCHANSKAYA V. M. , VELEZHEVA V. S. , NIKOLAEVA I. S. , GOLOVANOVA E. A. , ALEKSEEVA L. M. , FOMINA A. N. 
Published: May 2016

AbstractA number of benzofuran derivatives is prepared as shown in the reaction scheme by common methods.
ChemInform Abstract: The Formation of Furoxan‐3,4‐dicarboxamides from Nitroacetamides.
Authors: HARRIS P. A. , JACKSON A. , JOULE J. A. 
Published: May 2016

AbstractThe nitroacetamides (I) react with thionyl chloride to give the furoxans (III) via dimerization of the intermediate nitrile N‐oxides (II).
ChemInform Abstract: Synthesis and Pharmacological Properties of 1‐Alkyl‐3,4‐tetramethylene‐β‐carbolines.
Authors: KOMISSAROV I. V. , DULENKO V. I. , DOLZHENKO A. T. , NIKOLYUKIN YU. A. , KIBAL'NYI A. V. , ZIN'KOVSKAYA L. YA. , OBRAZTSOVA O. G. 
Published: May 2016

AbstractThe indolylcyclohexanone (I) reacts with the carboxylic anhydrides (II) to give the indolobenzopyrrylium salts (III) which are transformed into the alkyltetramethylene‐β‐carbolines (V) upon treatment with gaseous ammonia (IV).
ChemInform Abstract: Iminium Ion‐Mediated Cyclizations of 4‐Aryl‐1,4‐dihydropyridines. Regio‐ and Stereoselective Intermolecular Cycloaddition Reactions.
Authors: HARTMAN G. D. , PHILLIPS B. T. , HALCZENKO W. , PITZENBERGER S. M. 
Published: May 2016

AbstractThe BF3‐catalzyed cycloaddition reaction of the dihydropyridine (I) with cyclic dienes, e.g. cyclopentadiene (II), yields tricyclic adducts such as (III).
ChemInform Abstract: Structural and Synthetic Studies in the 4‐Phenyl‐1,3‐dioxane Class. Part 1. Obtaining and Characterization of 5‐Chloro‐4‐phenyl‐1,3‐dioxanes by Prins Reactions.
Authors: DARABANTU M. , VASILIONI V. , MAGER S. , FEY L. , FODOR C. 
Published: May 2016

AbstractPrins reaction of the β‐chlorostyrenes (I) with formaldehyde (II) in aqueous sulfuric acid leads to the formation of a mixture of the cis‐ and trans‐1,3‐dioxanes (IV) and (V) via the chlorophenylpropane‐1,3‐diols (III).
ChemInform Abstract: Generation and Cycloaddition Reactions of Phenylsulfonyl‐Substituted 1,3‐Butadienes.
Authors: PADWA A. , HARRISON B. , MURPHREE S. S. , YESKE P. E. 
Published: May 2016

AbstractThe alkynyl phenyl sulfone (I) is consecutively treated with LDA and methyl iodide (II) to form the allene (III) which reacts with sodium phenylsulfinate (IV) to produce the 1,2‐disulfonyl‐2‐butene (V).
ChemInform Abstract: Photolysis of Chloroacetamides as a Route to New 2,8‐Bridged Isoquinoline Derivatives. X‐Ray Crystal Structure of 8,13‐Dihydro‐2‐methoxy‐4,6‐ethanodibenz(c,f)azonine‐5,7‐dione.
Authors: BREMNER J. B. , JATURONRUSMEE W. , ENGELHARDT L. M. , WHITE A. H. 
Published: May 2016

AbstractThe dibenzoquinolones (I) are reduced and then acylated to give the N‐chloroacetyl compounds (IV) which are irradiated to give the bridged cyclization products (V), together with minor amounts of the pentacyclus (VIa).
ChemInform Abstract: 1‐ and 2‐(Trialkylsilyl)ethanols: New Silyl Reagents from Tin, Lithium, and Boron Chemistry.
Authors: SODERQUIST J. A. , RIVERA I. , NEGRON A. 
Published: May 2016

AbstractThe reaction of (α‐methoxyvinyl)lithium (III), prepared from (I) by tin/lithium exchange with trialkylchlorosilanes such as (IV), yields the corresponding vinylsilane, e.g. (V).
ChemInform Abstract: Organocyanocopper‐Trifluoroborane‐Mediated 1,3‐Chirality Transfer Reaction of γ‐(Mesyloxy) α‐Alkyl α,β‐Enoates for the Construction of Chiral Quaternary Carbon Centers with High Optical Purity.
Authors: IBUKA T. , AKIMOTO N. , TANAKA M. , NISHII S. , YAMAMOTO Y. 
Published: May 2016

AbstractThe sequence for the preparation of quarternary chiral carbon centers starts with the Witting olefination, e.g. of the derivative (I) of D‐glycerolaldehyde, forming the E‐ and Z‐olefines (S)‐(III) and (S)‐(IV).
ChemInform Abstract: Preparation and Structural Characterization of Methylmercury(II) Complexes of 7‐Deaza‐8‐azaadenine.
Authors: SHELDRICK W. S. , BELL P. , HAEUSLER H.‐J. + 
Published: May 2016

AbstractThe methylmercury(II) complexes (I)‐(VIII) of the title ligand are isolated from aqueous solutions depending on stoichiometric ratio and pH value.
ChemInform Abstract: Iron Carbene Complexes. Part 4. Substitution Reactions of Diiron Carbene Complexes with P(OMe)3, PPh3 and tBuNC Ligands.
Authors: VAN DYK M. M. , VAN ROOYEN P. H. , LOTZ S. 
Published: May 2016

AbstractReaction of the carbene complex (I) with a slight excess of L (II) results in substitutions of the carbene group as well as a CO ligand on the other Fe atom affording the disubstitution derivatives (III).
ChemInform Abstract: N,N‐Cyanines in the Benz(c,d)indole Series and Their Transformation into Anionic Dyes.
Authors: VASILENKO N. P. , MAIDANNIK A. G. , MIKHAILENKO F. A. 
Published: May 2016

AbstractThe benzindolium perchlorate (I) is coupled with ethyl orthoformate (II) or malonaldehyde dianil hydrochloride (IV) to give the cyanines (III).
ChemInform Abstract: The Chemistry of Eremophila spp. Part 32. A New Stereochemical Class of Bicyclic Sesquiterpenes from Eremophila virgata W.V. Fitzg. (Myoporaceae).
Authors: GHISALBERTI E. L. , JEFFERIES P. R. , SKELTON B. W. , WHITE A. H. , WILLIAMS R. S. F. 
Published: May 2016

AbstractThe absolute configuration of the acids (I)‐(III) is deduced from an X‐ray analysis of a derivative of (I).
ChemInform Abstract: Metabolites of Mixed Biogenesis from Cystoseira tamariscifolia (Huds.) Papenf.
Authors: AMICO V. , PIATTELLI M. , NERI P. , RUBERTO G. 
Published: May 2016

AbstractIn addition to five known tetraprenyltoluquinols, the previously unreported ethers (I) and tamariscolone (II) are isolated from the title species.
ChemInform Abstract: Original Morphinan Isomers Isolated from Stephania zippeliana.
Authors: CHARLES B. , GUINAUDEAU H. , BRUNETON J. , CABALION P. 
Published: May 2016

AbstractBesides eight aporphinoids six morphinans are isolated; four of them are new, namely (+)‐erromangine (Ia) (isomeric with the known (+)‐isostephodeline (Ib) having revised structure), (+)‐tannagine (IIb) (isomeric with the known (+)‐stephodeline (IIa)), (+)‐zippeline (III), and (+)‐zippelianine (IV).
ChemInform Abstract: Carbon Transfer Reactions with Heterocycles. Part 5. Pictet‐Spengler Reaction Using Perhydrooxazines. A Facile Synthesis of (.+‐.)‐Calycotomine and Analogues.
Authors: SINGH H. , SINGH K. 
Published: May 2016

AbstractTetrahydroisoquinolines/β‐carbolines are synthesized by acid‐catalyzed condensation of biogenic amines with perhydrooxazines which compare favorably with oxazolidines in C‐2 unit transfer at carbonyl group level.
ChemInform Abstract: New Chromonocoumarin (= 6H,7H‐(1)Benzopyrano(4,3‐b)(1)benzopyran‐6,7‐dione) Derivatives from Polygala fruticosa Berg.
Authors: DI PAOLO E. R. , HAMBURGER M. O. , STOECKLI‐EVANS H. , ROGERS C. , HOSTETTMANN K. 
Published: May 2016

AbstractThe compounds frutinone A (Ia), frutinone B (Ib) and frutinone C (Ic) are the first chromonocoumarins discovered in nature.
ChemInform Abstract: The Access to the Three Subunits of the Antitumor Antibiotic CC‐1065 by Hetero‐Cope Rearrangement of Vinyl N‐Phenylhydroxamates.
Authors: MARTIN P. 
Published: May 2016

AbstractStructural subunits of the title antitumor antibiotic, e.g. the compounds (IX), (XVII) and (XIX), are synthesized via vinylation of the hydroxamic acids (II) and (XIV) followed by hetero‐Cope rearrangement.
ChemInform Abstract: Preparation of 5‐Bromotetronates (4‐Alkoxy‐5‐bromo‐2(5H)‐furanones) and a New Concept for the Synthesis of Aflatoxins and Related Structure Types. Tributyltin Hydride versus Palladium‐Promoted Intramolecular Hydroarylation.
Authors: HOFFMANN H. M. R. , SCHMIDT B. , WOLFF S. 
Published: May 2016

AbstractThe coupling of suitably functionalized ortho‐iodophenols such as (I) with 5‐bromotetronates such as (II) yields the iodophenoxyfuranones, the cyclization modes of which are investigated.
ChemInform Abstract: The Synthesis of Chiral Isopropylidene Derivatives of 1,2,3‐Cyclohexanetriols by Enzymatic Differentiation.
Authors: DUMORTIER L. , VAN DER EYCKEN J. , VANDEWALLE M. 
Published: May 2016

AbstractThe cyclohexenones (I) are converted to the 1‐acyloxy‐2,3‐O‐isopropylidenecyclohexanediols (±)‐(V) and (±)‐(VII).
ChemInform Abstract: High‐Temperature Superconducting Bi‐Sr‐Ca‐Cu‐O Films on Silicon
Authors: BECKER S. , DIETZE H.‐J. , HENNIG K. 
Published: May 2016

Abstractare obtained by using a laser‐induced plasma deposition technique, by which a superconducting target, Bi2Sr2Ca2Cu3Ox with Tc = 90‐95 K, is evaporated, dissociated, and ionized by a Nd‐YAG laser beam followed by deposition on a Si(100) substrate.
ChemInform Abstract: Low‐Molecular Phosphorus Sulfides in the Gas Phase.
Authors: KECK H. , KUCHEN W. , RENNEBERG H. , TERLOUW J. K. , VISSER H. C. 
Published: May 2016

AbstractThe phosphorus sulfur ions PS+ (I), PS2+ (II) and the P2S+· 2 ion radical are generated by electron‐impact fragmentation of P4S10.
ChemInform Abstract: Investigations of Tin(II) Halide Aqueous Solutions and Solvent Extracts by 119Sn NMR Spectroscopy: Characterization of the Trihalogenostannate(II) Anions (SnX3)‐, (SnX2Y)‐, and (SnX(Y)Z)‐ (X, Y, or Z: Cl, Br, or I).
Authors: CODDINGTON J. M. , TAYLOR M. J. 
Published: May 2016

AbstractThe solvent extraction method is used to prepare diethyl ether phases of all ten trihalogenostannate(II) anions (SnClxBryIz)‐ (x + y + z = 3) and the 119Sn NMR spectra of these phases are recorded at ‐60 °C. The order of Sn(II) nuclear shielding, I < Br < Cl, in these complexes is found to be opposite to that observed in Sn(IV) halide systems.
ChemInform Abstract: Solid‐Liquid Phase Equilibria in the System KCl‐MgCl2‐H2O at Elevated Temperatures. Part 3. Isotherms at 160, 170, and 180 °C.
Authors: FANGHAENEL TH. + , EMONS H.‐H. , KOEHNKE K. + 
Published: May 2016

AbstractThe study of the solid‐liquid phase equilibria in the title system at 160, 170, and 180 °C reveals the presence of two double salts, 1.5 KCl·MgCl2·2 H2O and KCl·MgCl2·2 H2O, in addition to the known phases.
ChemInform Abstract: Electrocatalytic Reduction of Chromate(VI) Ions in Alkaline Media on Pt Modified by Underpotential Deposition (upd) of Heavy Metals.
Authors: SAZOU D. , KOKKINIDIS G. 
Published: May 2016

AbstractThe reversibility of the electroreduction of Cr(VI) in alkaline media, which is significantly inhibited on smooth Pt by formation of insoluble Cr(OH)3 and adsorption phenomena, can be remarkably enhanced by modification of the electrode surface with Bi upd adatoms.
ChemInform Abstract: Effects of Potassium Adlayer on the Adsorption and Desorption of Hydrogen on a Pd(100) Surface.
Authors: SOLYMOSI F. , KOVACS I. 
Published: May 2016

AbstractAdsorption of hydrogen on a potassium‐dosed Pd(100) surface effects a work function increase of 0.7‐1.4 eV at 100 K, depending on the K coverage (ϑK).
ChemInform Abstract: Synthesis and Characterization of Bis(undeca tungstogallate) Lanthanates of Potassium.
Authors: LIU J. , ZU Z. , ZHAO B. , LIU Z. 
Published: May 2016

AbstractWith a view to developing new rare earth catalysts, the heteropoly tungstogallate (III) and its analogues with the lanthanoid being La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Tm, Yb are prepared from their lacunary precursor (I) in ∼50% yield.
ChemInform Abstract: Synthesis and Characterization of the New Soluble Selenide Anion Pt(Se4)2‐ 3.
Authors: ANSARI M. A. , IBERS J. A. 
Published: May 2016

AbstractAn attempt to synthesize (PPh4)2(Pt(Se5)3) by the procedure represented in the scheme results in the preparation of the tris(tetraselenido)platinate(2‐) (IV), for which there is no known sulfur analogue.
ChemInform Abstract: Reduction of Oxygen‐ and Sulfur‐Bonded (Thiocarbamato)pentaamminecobalt(III) Complexes by Chromium(II).
Authors: BALAHURA R. J. , JOHNSON M. , BLACK T. 
Published: May 2016

AbstractKinetic studies of the reduction of (I) and (II) show that the electron transfer in the S‐bonded complexes (I) is more facile.
ChemInform Abstract: ortho‐Specific Alkylation of Phenols via 1,3,2‐Benzodioxaborins.
Authors: LAU C. K. , WILLIAMS H. W. R. , TARDIFF S. , DUFRESNE C. , SCHEIGETZ J. , BELANGER P. C. 
Published: May 2016

AbstractReaction of phenol (I) with the aldehydes (II) in the presence of phenylboronic acid (III) gives the benzodioxaborins (IV), which can be reduced to the alkylphenols (V).
ChemInform Abstract: An Organometallic Analogue of the Wittig Reaction. A One‐Pot Reaction for C=C Bond Formation Catalyzed by a Molybdenum Complex.
Authors: LU X. , FANG H. , NI Z. 
Published: May 2016

AbstractTreatment of the aldehydes (I) with ethyl diazoacetate (II) and triphenylphosphine in the presence of a molybdenum complex produces the 3‐substituted acrylates (III), together with the azines (IVc) and (IVe).
ChemInform Abstract: 1‐Ethyl‐2,4,5‐triacetylbenzene.
Authors: RIEMSCHNEIDER R. , BUCHLOW G. , WONS T. 
Published: May 2016

AbstractThe permanganate oxidation of the triethylacetylbenzene (I) in buffered solution does not lead to the desired tetraacetylbenzene but gives the title compound (II) together with the diethyldiacetylbenzenes (III) and (IV).
ChemInform Abstract: An Expeditious in situ Preparation of Benzyl (S)‐2‐Aziridinecarboxylate.
Authors: KUYL‐YEHESKIELY E. , DREEF‐TROMP C. M. , VAN DER MAREL G. A. , VAN BOOM J. H. 
Published: May 2016

AbstractThe title compound (II) is prepared under very mild conditions and in high yield starting from the serine ester (I), which undergoes smooth cyclodehydration on treatment with diethoxytriphenylphosphorane.
ChemInform Abstract: Preparation, Properties, and Crystal Structure of a 1,2,5‐Thiadiazolotetracyanoquinodimethane.
Authors: SUZUKI T. , YAMASHITA Y. , KABUTO C. , MIYASHI T. 
Published: May 2016

AbstractTwofold coupling of 4,7‐dibromobenzothiadiazole (I) with the anion (II) of malononitrile and subsequent oxidation yield the thiadiazolotetracyanoquinodimethane (III) which forms highly conductive charge‐transfer complexes with tetrathiafulvalenes.
ChemInform Abstract: Synthesis of Benzo(ij)cycl(3.3.2)azines via a Palladium‐Mediated Cyclization Reaction.
Authors: PFEFFER M. , ROTTEVEEL M. A. 
Published: May 2016

AbstractTreatment of the dimeric Pd complex (I) with one equivalent of dimethyl acetylenedicarboxylate (II) yields a derivative which is produced by alkyne insertion into the Pd‐C bonds of (I).
ChemInform Abstract: Indolizines: A Comparative Study of the Synthesis from Pyridinium Bromides and Iodides.
Authors: ANITHA I. , RAJAN P. K. 
Published: May 2016

AbstractCoupling of α‐picoline (I) with the bromoacetophenones (II) or the corresponding acetophenones (V) in the presence of iodine leads to the formation of the picolinium bromides (III) or iodides (VI) which are cyclized upon heating in aqueous sodium bicarbonate solution to give the indolizines (IV).
ChemInform Abstract: Synthesis of 6‐(1,4,5,6‐Tetrahydro‐6‐oxo‐3‐pyridazinyl)‐2H‐1,4‐benzoxazin‐3(4H)ones as Possible Cardiotonic Agents.
Authors: SASTRY C. V. R. , RAO K. S. , KRISHNAN V. S. H. , RASTOGI K. , JAIN M. L. , VERMA R. K. , TRIPATHI R. M. , SINGH P. P. , RAO C. S. , KAUSHAL R. 
Published: May 2016

AbstractThe new title compounds (IV) are tested for their cardiotonic activity.
ChemInform Abstract: Polyannulated Tropylium Compounds Having Benzothiazine and Related Heterocyclic Rings. Formation of o‐ and p‐Benzoquinoid Products by Rearrangement.
Authors: NOZOE T. , SHINDO K. , WAKABAYASHI H. , ISHIKAWA S. 
Published: May 2016

AbstractAnodic oxidation of the amines (III) and (VI) induces ring closure, forming the cycloheptabenzothiazine (IV) or the cyclohexadienylidenebenzothiazole (VII).
ChemInform Abstract: Boron‐Nitrogen Compounds. Part 121. Triazaboles and Related Triazole Derivatives of Boron.
Authors: NIEDENZU K. , WOODRUM K. R. 
Published: May 2016

AbstractThe reaction of Me3N→BH3 (I) with 1,2,4‐triazole (II) results in the formation of an oligomeric mixture of the composition (IIIa); species with n up to 6 can be identified by mass spectrometry.
ChemInform Abstract: Convergent Approach to Intermediates Used for the Synthesis of the Enediyne Structure of the Esperamicins and Calicheamicins.
Authors: KADOW J. F. , SAULNIER M. G. , TUN M. M. , LANGLEY D. R. , VYAS D. M. 
Published: May 2016

AbstractPd‐catalyzed coupling of the chloro enyne (I) with the propargylic ethers (II) gives the enediyne derivatives (III) which are desilylated and lithiated, forming the intermediates (IV).
ChemInform Abstract: The Use of Phosphoryldithioformates for the Synthesis of Ketene Dithioacetals.
Authors: BULPIN A. , MASSON S. , SENE A. 
Published: May 2016

AbstractThe phosphoryldithioformates (Ia), (Ib) and the related sulfine (Ic) are S‐alkylated or S‐arylated with the organometallic reagents (II) or (V), forming the dithioacetals (IV) or (VI) after acidic work‐up.
ChemInform Abstract: Organo‐Telluriums. Part 20. Aminotellurinylation of Olefins and Its Utilization for Synthesis of 2‐Oxazolidinones.
Authors: HU N. X. , ASO Y. , OTSUBO T. , OGURA F. 
Published: May 2016

AbstractThe benzenetellurinyl acetates or triflates (III), obtained by treatment of the tellurinic anhydride (I) with the anhydrides (II), react with the alkenes (IV) and (VIII) in the presence of the carbamate (V) to give regioselectively the aminotellurinylation products (VI), (VII), and (IX).
ChemInform Abstract: The First Macrocyclic Square‐Planar Cobalt(III) Complex Relieves Ring Strain by Forming a Nonplanar Amide.
Authors: COLLINS T. J. , UFFELMAN E. S. 
Published: May 2016

AbstractThe title complex crystallizes in P21/c with Z = 8. The ligand must rotate a CO group out of the CoN4 plane in order to reduce the ring strain.