bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Introduction of the Pentafluorophenyl Group into Perfluoroalkenes with Trimethylsilylpentafluorobenzene in the Presence of Cesium Fluoride.
Authors: BARDIN V. V. , PETROV V. A. , STENNIKOVA I. V. , FURIN G. G.
Published: May 2016

The reaction between trimethylsilylpentafluorobenzene (I) and the terminal perfluoroalkenes (II), (IV) and (VIII) or the non‐terminal perfluoroalkene (XI) according to A) affords the products (III), (V)/(VI), (IX) and (XII).
ChemInform Abstract: A Facile Synthesis of 1‐Fluoro‐1‐haloalka‐1,3‐dienes.
Authors: SHIMIZU M. , CHENG G.‐H. , YOSHIOKA H.
Published: May 2016

Cationic ring opening of the 2,2‐dihalocyclopropyl carbinols (I) with HF·Py and subsequent treatment of the resulting β‐fluoro‐β,β‐dihalogenoalkenes (II) with potassium tert‐butoxide yield the dienes (III) mentioned in the title.
ChemInform Abstract: Photochemical Reactivity of Spirodienone Obtained by Oxidations of Bis‐(2‐hydroxy‐3,5‐di‐tert‐butylphenyl)methanone.
Authors: IZUOKA A. , MIYA S. , SUGAWARA T.
Published: May 2016

The dihydroxytetra(tert‐butyl)benzophenone (I) reacts with methyl iodide (II) and silver oxide to give the spiro‐fused benzofuran (IV) as the main product, together with the expected monomethyl ether (III).
ChemInform Abstract: Arylamides of 2‐Chloro‐ and 2‐Arylamino‐5,6,7,8‐tetrahydroquinoline‐3‐carboxylic Acids and Their Application to the Synthesis of Pyrimido(4,5‐b)quinolin‐4‐one Derivatives.
Authors: GAVRILOV M. YU. , KONSHIN M. E.
Published: May 2016

Successive treatment of the 2‐oxo‐3‐carboxylic acid (I) with PCl5 (II) and the primary aromatic amines (III) yields the tetrahydroquinoline‐2‐chloro‐3‐carboxamides (IV).
ChemInform Abstract: Dibenzoylmethane Reaction with Dichlorophenylphosphine: Oxygen Transfer from Carbon to Phosphorus via a Defined C2PO3 Phosphorane.
Authors: DAHLHOFF W. V. , TABA K. M. , MYNOTT R.
Published: May 2016

The title reaction gives a tricyclic phosphorane intermediate (III) which isomerizes to the more stable phosphinic ester (IV).
ChemInform Abstract: Reactions of Chalcogens with Acetylenes. Part 4. Synthesis of Divinyl Telluride by Direct Reaction of Tellurium with Acetylene.
Authors: GUSAROVA N. K. , TROFIMOV B. A. , TATARINOVA A. A. , POTAPOV V. A. , GUSAROV A. V. , AMOSOVA S. V. , VORONKOV M. G.
Published: May 2016

The aim of this study is to work out an effective method for the preparation of divinyl telluride (III).
ChemInform Abstract: Low Temperature Liquid Phase Fluorination of Pentafluorophenyl Element Compounds. Synthesis and Properties of (C6F5)3AsF2, (C6F5)3SbF2, (C6F5)2SeF2, (C6F5)2SeO, C6F5TeF3, and Cs((C6F5)3EF3) (E = As, Sb).
Authors: KASEMANN R. , NAUMANN D.
Published: May 2016

The polyarylarsenic(antimony or selenium) difluorides (II), (IV), (VI), and the tellurium trifluoride (IX) are prepared by oxidative or metathetic fluorination reactions.
ChemInform Abstract: Complexes of Zinc Dialkyldithiocarbamates. Part 1. Complexes with Bidentate Nitrogen Ligands; Crystal Structure of 1,10‐Phenanthroline Zinc Dibutyldithiocarbamate.
Authors: BELL N. A. , JOHNSON E. , MARCH L. A. , MARSDEN S. D. , NOWELL I. W. , WALKER Y.
Published: May 2016

The octahedral 1:1 adducts (III) are obtained by reacting corresponding Zn(II) dithiocarbamates with appropriated NN ligands as demonstrated for the example (IIIa).
ChemInform Abstract: Reactions of Mono‐ and Binuclear Alkylidyne Metal Complexes with Phosphaalkynes. CP and CMo Metathesis.
Authors: HILL A. F. , HOWARD J. A. K. , SPANIOL T. P. , STONE F. G. A. , SZAMEITAT J.
Published: May 2016

Treating the alkylidyne‐Mo complex (I) with the phosphaalkyne (II) results in the formation of the neopentylidyne‐Mo analogue (III).
ChemInform Abstract: Synthesis of Triangular (RhM2cp3(CO)n) Clusters (M: Ni, n = 2; M: Fe, n = 4; M: Mo, W, n = 6). (RhMo2cp3(CO)6) as Catalyst Precursor in the CO Hydrogenation Reaction.
Authors: WALTHER B. , SCHEER M. , BOETTCHER H.‐C. + , TRUNSCHKE A. , EWALD H. , GUTSCHICK D. , MIESSNER H. , SKUPIN M. , VORBECK G.
Published: May 2016

From the different synthetic routes to the title clusters (III) studied, the photochemical one shown in the scheme gives the best yields.
ChemInform Abstract: Chelate‐Stabilized Primary, Secondary, and Tertiary Alcohol and Alkoxo Platinum(II) Complexes. X‐Ray Crystal Structure of Cyclic (Pt(Ph2PCH2CH2O)2)·H2O.
Authors: ALCOCK N. W. , PLATT A. W. G. , PRINGLE P. G.
Published: May 2016

The coordination chemistry of the phosphino alcohols (I) with Pt(II) is reported.
ChemInform Abstract: Determination of the Absolute Configuration of Secondary Alcohols by Modified Horeau′s Method Using HPLC.
Authors: SVATOS A. , VALTEROVA I. , FABRYOVA A. , VRKOC J.
Published: May 2016

Using a modified Horeau's method, the absolute configuration of secondary alcohols can be determined by reaction with 2 equiv. of racemic 2‐phenylbutanoic anhydride, of which one enantiomer reacts preferentially with the chiral alcohol.
ChemInform Abstract: Condensation of Conjugated Cyclic Enaminodiketones of the 8‐Aza‐D‐homosteroid Series with Aromatic and Heterocyclic Aldehydes.
Authors: PSHENICHNYI V. N. , GULYAKEVICH O. V. , BORISOV E. V. , KHRIPACH V. A.
Published: May 2016

A characteristic structural feature of the 8‐aza‐D‐homogonatetraene‐12,17a‐diones (I) or (IV) is the cross‐conjugated enaminodicarbonyl moiety.
ChemInform Abstract: Characterization of Potassium Phosphotungstate Glasses and a Model of Structural Units.
Authors: SELVARAJ U. , SUNDAR H. G. K. , RAO K. J.
Published: May 2016

The physical and thermal properties (density, molar volume, microhardness, heat capacity, glass transition temp.) and IR spectra of K2O‐WO3‐P2O5 glasses are studied over a wide composition range.
ChemInform Abstract: Two Crystal Structures of Fully Dehydrated Ag12‐2xCox‐A (x = 3 and 4.5).
Authors: SONG S. H. , KIM D. S. , PARK J. Y. , KIM U. S. , KIM Y.
Published: May 2016

The title compounds Ag6Co3‐A (I) and Ag3Co4.5‐A (II) are prepared by exchange reactions of zeolite A with AgNO3 and subsequently Co(NO3)2 solution.
ChemInform Abstract: Effect of MgO Addition on the Microstructure Development of 3 mol% Y2O3‐ZrO2.
Authors: LU H.‐Y. , BOW J.‐S.
Published: May 2016

Addition of MgO to commercial coprecipitated 3 mol% Y2O3‐ZrO2 powder results in formation of a liquid phase during sintering at 1350 °C. This liquid phase is formed by reaction of MgO with trace impurities of CaO and SiO2 in the starting powder and causes enhanced densification.
ChemInform Abstract: Crystal‐Field Effects in Rare Earth Compounds with the ThCr2Si2 Structure.
Authors: DIRKEN M. W. , THIEL R. C. , BUSCHOW K. H. J.
Published: May 2016

Sign and magnitude of the electric field gradient present at the Gd nuclei in the intermetallic compounds GdT2Si2 (T: Cr, Mn, Fe, Co, Ni, Cu, Ru, Rh, Pd, Ag, Os, Ir, Au) are determined from the quadrupole splitting of the 155Gd Moessbauer spectra.
ChemInform Abstract: Potassium′s Promotional Effect of Unsupported Copper Catalysts for Methanol Synthesis.
Authors: SHEFFER G. R. , KING T. S.
Published: May 2016

It is found that potassium promotes the selective synthesis of methanol from synthesis gas over unsupported Cu catalysts.
ChemInform Abstract: Kinetics and Equilibria of Keto‐Enol Conversion in Aqueous Solution. Rate and Equilibrium Constants Determined from a Single Experiment.
Authors: GROTH‐ANDERSEN H. , SORENSEN P. E.
Published: May 2016

The spectrophotometrically observed zero‐order bromination of (I) transforms near the end of the reaction into an opposing first‐order process, representing a restoration of the perturbed keto‐enol equilibrium.
ChemInform Abstract: Absolute Asymmetric Photochemistry Using Centrosymmetric Single Crystals. The Host/Guest System (E)‐Cinnamamide/(E)‐Cinnamic Acid.
Authors: VAIDA M. , SHIMON L. J. W. , VAN MIL J. , ERNST‐CABRERA K. , ADDADI L. , LEISEROWITZ L. , LAHAV M.
Published: May 2016

Controlled reduction in crystal symmetry is accomplished by introduction of the guest molecule (E)‐cinnamic acid (II) into the centrosymmetric structure of host (E)‐cinnamide (I).
ChemInform Abstract: Electron Transfer Reactions in Organic Chemistry. Part 16. The Reduction of Carbon Tetrabromide and Some Other Polyhaloalkanes by N,N,N′,N′‐Tetramethyl‐p‐phenylenediamine.
Authors: EBERSON L. , EKSTROEM M. +
Published: May 2016

The kinetics and reaction mechanism of the title reaction are studied in MeCN by various methods such as UV, ESR and spin trapping.
ChemInform Abstract: Deoxygenation of 1,3‐Diene 1,4‐Endoperoxides by Tin(II) Chloride.
Authors: KOHMOTO S. , KASAI S. , YAMAMOTO M. , YAMADA K.
Published: May 2016

The cyclic peroxide (I) reacts with SnCl2 (II) to give the intermediate tin derivative (III) which decomposes on two different pathways, forming 2,5‐diphenylfurane (IV) and the diene (V).
ChemInform Abstract: Nickel‐Catalyzed Cross‐Couplings of Alkenyl and α‐Metalated Alkenyl Sulfoximines with Organometallics: Stereoselective Synthesis of Carbacyclins.
Authors: ERDELMEIER I. , GAIS H.‐J.
Published: May 2016

The exocyclic alkenes (III), ultimate precursors for carbacyclins, are prepared in an E‐selective synthesis from the alkenylsulfoxime (I) by Ni‐catalyzed cross‐coupling with the diorganozincs (II).
ChemInform Abstract: Carbon‐Hydrogen Activation Chemistry: Hydroxylation of C2, C3, and Cyclo‐C6 Hydrocarbons by Manganese Cluster Catalysts with a Mono‐Oxygen Transfer Reagent.
Authors: FISH R. H. , FONG R. H. , VINCENT J. B. , CHRISTOU G.
Published: May 2016

Oxidation of the hydrocarbons (I) and (III) with tert‐butyl hydroperoxide in the presence of catalytic amounts of manganese cluster compounds yields the alcohols (II) and (IV).
ChemInform Abstract: An Efficient Synthesis of 5‐Bromo‐2‐hydroxycyclohepta‐2,4,6‐trien‐1‐one and Its Methyl Ether.
Authors: BANWELL M. G. , LAMBERT J. N. , REUM M. E. , ONRUST R.
Published: May 2016

Reaction of the bicyclic dibromoalkene (I) with iodine and silver acetate (II) yields the cis‐acetoxyhydroxynorcarane (III) which is oxidized to give the ketone (IV).
ChemInform Abstract: Conjugate Addition of N,N‐Dialkylhydroxylamines: Mechanism of O‐Alkylation by 1H‐Pyrrole‐2,5‐diones.
Authors: PASTOR S. D. , HESSELL E. T.
Published: May 2016

Uncatalyzed coupling of the hydroxylamines (II) with the maleimides (I) yields the aminoxypyrrolidinones (III).
ChemInform Abstract: Synthesis of (2R,3R)‐ and (2S,3S)‐(2,3‐2H2)Oxirane and Application of It to the Synthesis of Chirally Labeled Homoserine.
Authors: SCHWAB J. M. , RAY T. , HO C.‐K.
Published: May 2016

The title compounds (V) and (IX) are synthesized starting from the propynol (I) using (‐)‐ or (+)‐ diisopropyl tartrate.
ChemInform Abstract: Synthesis of 1,3,4,5‐Substituted 1,3‐Dihydro‐2H‐imidazol‐2‐ones.
Authors: LOZANOVA KH. , KALCHEVA V. , SIMOV D.
Published: May 2016

The N‐(1‐methyl‐2‐oxopropyl)benzoxazolones (I) react with the amines (II) to give the o‐hydroxyphenylimidazolones (III).
ChemInform Abstract: 2‐Amino‐Substituted Derivatives of Benzimidazoles from 2‐Isothiocyanato Carboxylates.
Authors: FLOCH L'. , UHER M. , LESKO J.
Published: May 2016

The isocyanato carboxylates (II) react with o‐phenylenediamine (I) to give the thioureas (III) which are cyclized to yield the 2‐aminosubstituted derivatives (IV) of benzimidazole.
ChemInform Abstract: A Convenient Synthesis of 3,5‐Dimethyl‐4‐isoxazolyl and of 3,5‐Dimethyl‐4‐isothiazolyl Ketones.
Authors: ALBEROLA A. , CUADRADO P. , SANUDO C. , TORROBA T.
Published: May 2016

Reaction of the heterocyclic acetonitriles (I) and (V) with the organomagnesium or organoaluminum compounds (II) or (IV) leads to the formation of the corresponding ketones (III) and (VI).
ChemInform Abstract: Ultrasound in Cycloaddition Reactions: Sound‐Promoted Dipolar Cycloadditions of Nitrones with Unactivated Alkenes.
Authors: BORTHAKUR D. R. , SANDHU J. S.
Published: May 2016

Sonication of the vinylic nitrones (I) in the presence of the olefinic compounds (II) or (IV) results in rapid formation of the isoxazolidines (III) and (V).
ChemInform Abstract: Pyrano(3,4‐b)thiophen‐5‐ones, Stable Thiophene‐2,3‐quinodimethane Equivalents.
Authors: JACKSON P. M. , MOODY C. J. , SHAH P.
Published: May 2016

The thiophene‐3‐acetic acids (I) react with the anhydrides (II) in the presence of BF3 etherate to give the pyranothiophenes (III).
ChemInform Abstract: Transannular Addition of α‐Thia Carbanions to Unactivated Double Bonds. Part 5. Synthesis of (9R,10S)‐trans‐1‐Thiadecalin.
Authors: CERE V. , PAOLUCCI C. , POLLICINO S. , SANDRI E. , FAVA A.
Published: May 2016

The anion derived from the mixture of the stereoisomeric sulfoxides (I) undergoes transannular addition reaction to the double bond, forming the thiadecalin derivatives (II) and (III).
ChemInform Abstract: Inhibitors of Cyclic AMP Phosphodiesterase. Part 3. Synthesis and Biological Evaluation of Pyrido and Imidazolyl Analogues of 1,2,3,5‐Tetrahydro‐2‐oxoimidazo(2,1‐b)quinazoline.
Authors: VENUTI M. C. , STEPHENSON R. A. , ALVAREZ R. , BRUNO J. J. , STROSBERG A. M.
Published: May 2016

Lithiation of the protected aminopyridine (I) and subsequent formylation give the pyridinecarboxaldehyde (III).
ChemInform Abstract: Synthesis and Antiherpetic Activity of (.+‐.)‐9‐((Z‐2‐(Hydroxymethyl)cyclopropyl)methyl)guanine and Related Compounds.
Authors: ASHTON W. T. , CANNING MEURER L. , CANTONE C. L. , FIELD A. K. , HANNAH J. , KARKAS J. D. , LIOU R. , PATEL G. F. , PERRY H. C. , WAGNER A. F. , WALTON E. , TOLMAN R. L.
Published: May 2016

Cyclopropanation of acrylonitrile (I) with ethyl diazoacetate (II) gives the diastereomeric cyclopropanes (III) which are reduced, yielding the amino alcohols (IV).
ChemInform Abstract: Synthesis of Methyl 9‐Benzylguanine‐8‐carbamate: A Convenient Synthesis of Oxazolo(5,4‐d)pyrimidines and Their Conversion into Imidazo(4,5‐d)pyrimidines via a Carbodiimide‐Mediated Rearrangement.
Authors: CHERN J.‐W. , LEE H.‐Y. , WISE D. S. , TOWNSEND L. B.
Published: May 2016

The triaminopyrimidone (I) is converted to the thiourea derivative (III) which forms the oxazolopyrimidine (IV) upon treatment with DCC.
ChemInform Abstract: Synthesis of (Aryloxy)alkylamines. Part 2. Novel Imidazo‐Fused Heterocycles with Calcium Channel Blocking and Local Anesthetic Activity.
Authors: SANFILIPPO P. J. , URBANSKI M. , PRESS J. B. , DUBINSKY B. , MOORE J. B. JUN.
Published: May 2016

Cyclocondensation of the 2‐aminopyridines (II) with the α‐bromoacetophenone (Ia), followed by treatment with dibutylamine (III), produces the imidazo(1,2‐a)pyridines (IV).
ChemInform Abstract: Synthesis and X‐Ray Crystal Structure Determination of 1,3‐Bridged β‐Lactams: Novel, Anti‐Bredt β‐Lactams.
Authors: WILLIAMS R. M. , LEE B. H. , MILLER M. M. , ANDERSON O. P.
Published: May 2016

The first successful synthesis of several anti‐Bredt β‐lactams such as (XII) and (XIII) from alkylacetoacetate in 11‐14 steps is described as exemplified in the scheme for (XIIa).
ChemInform Abstract: Methods for Drug Discovery: Development of Potent, Selective, Orally Effective Cholecystokinin Antagonists.
Authors: EVANS B. E. , RITTLE K. E. , BOCK M. G. , DIPARDO R. M. , FREIDINGER R. M. , WHITTER W. L. , LUNDELL G. F. , VEBER D. F. , ANDERSON P. S. , CHANG R. S. L. , LOTTI V. J. , CERINO D. J. , CHEN T. B. , KLING P. J. , KUNKEL K. A. , SPRINGER J. P. , HIRSHFIELD J.
Published: May 2016

Various carboxamides such as (III) and (V) are prepared from aminodihydrobenzodiazepinones such as (I).
ChemInform Abstract: Oxidative Ring Expansion of Isoquinoline Enamides. Facile Formation of 3‐Benzazepines.
Authors: LENZ G. R.
Published: May 2016

Reaction of enamines such as (I), derived from isoquinoline, with lead tetraacetate yields benzazepinones such as (II).
ChemInform Abstract: Reaction of Intermediate‐Sized Boranes with Methylidenetriphenylphosphorane.
Authors: BARTON L. , RUSH P. K. , ZHU T. , NEVELS P. , OWENS M. H.
Published: May 2016

The title reaction yields the products (I) resulting from deprotonation of the boranes.
ChemInform Abstract: Trityl Salt‐Catalyzed Aldol Reaction Between α,β‐Acetylenic Ketones and Silyl Enol Ethers.
Authors: KOBAYASHI S. , MATSUI S. , MUKAIYAMA T.
Published: May 2016

The α,β‐acetylenic ketones (I) react with the silyl enol ethers (II) in the presence of a catalytic amount of trityl perchlorate to give the isomeric addition products (III) and (IV) with a stereoselectivity in favour of (III).
ChemInform Abstract: Reactions of Secondary Phosphines with a Phosphorus‐Phosphorus Bond and Related Reactions.
Authors: AVENS L. R. , CRIBBS L. V. , MILLS J. L.
Published: May 2016

The reaction of a sec. alkyl‐ or arylphosphine or ‐arsine with the cyclic polyphosphine (I) or (CF3P)5 produces chiral dipnicogens of the type R2E‐P(CF3)H (E: P or As).
ChemInform Abstract: 1,2λ3,3λ3‐Azadiphospholes, an Aromatic Ring System with cis‐P=P Double Bond. 1λ3σ3,3λ3σ2‐Diphospholes.
Authors: MAERKL G. + , DIETL S. , ZIEGLER M. L. , NUBER B.
Published: May 2016

The 1,2,4,5‐tetrazine‐3,6‐dicarboxylates (I) react with tert‐butyl phosphaethyne (II) to give the title compounds (III) which are treated with HCl or methanol (V), forming the addition products (VI).
ChemInform Abstract: Enantioselective α‐Selenenylation of 2‐Phenylpropanal.
Authors: PAULMIER C. , OUTURQUIN F. , PLAQUEVENT J.‐C.
Published: May 2016

2‐Phenylpropanal (I) reacts with the arylselenenamides (II) to give the optically active arylselenenylphenylpropanals (IV) via the intermediates (III).
ChemInform Abstract: Novel Reactions of Sterically Protected Fused 1,2,3‐Selenadiazole. A New Aspect of Reactivity of Organoselenium Intermediates.
Authors: ANDO W. , KUMAMOTO Y. , TOKITOH N.
Published: May 2016

Photolysis of the fused selenadiazole (I) is performed in the presence of various trapping agents such as the olefins (II), yielding cycloadducts such as the selenole (III).
ChemInform Abstract: Oxygen‐Selenium Exchange Using Phenylselenophosphonic Dichloride (PhP(Se)Cl2): Conversion of C=O into C=Se.
Authors: MICHAEL J. P. , REID D. H. , ROSE B. G. , SPEIRS R. A.
Published: May 2016

Treatment of the carboxamides (I), the aldehydes (IV), and the 1,2‐dithiolone (VI) with phenylselenophosphonic dichloride (II) results in the formation of the corresponding seleno derivatives (III), (V), and (VII).
ChemInform Abstract: Preparation and Structural Characterization of Methylmercury(II) Complexes of 3‐Methyladenine.
Authors: SHELDRICK W. S. , GROSS P.
Published: May 2016

The methylmercury(II) complexes (I)‐(V) are isolated from aqueous solution in the pH range 2‐8 and structurally characterized.
ChemInform Abstract: Chemistry of Yttrium Triisopropoxide Revisited. Characterization and Crystal Structure of Y5(μ5‐O)(μ3‐OiPr)4(μ2‐OiPr)4(OiPr)5.
Authors: PONCELET O. , SARTAIN W. J. , HUBERT‐PFALZGRAF L. G. , FOLTING K. , CAULTON K. G.
Published: May 2016

The title compound is isolated from the reaction of yttrium metal in refluxing 2‐propanol in 75% yield and is characterized by 1H, 13C, and 89Y NMR spectra and an X‐ray structure determination (space group Pbca, Z = 8).
ChemInform Abstract: Thermal and Photochemical Reactions of (η5‐Cyclohexadienyl)2Fe2(CO)4 in the Presence of 2e‐ Donor Ligands: Isolation and Characterization of (η4‐C,C′‐(Cyclohexadiene)2)Fe2(CO)4L2.
Authors: ZOU C. , AHMED K. J. , WRIGHTON M. S.
Published: May 2016

Products from thermal or photochemical reaction of (I) with neutral ligands (II) are the same.
ChemInform Abstract: Mononuclear and Binuclear Cu(I) Complexes with Metal‐Sulfur Ligation.
Authors: KARAGIANNIDIS P. , ASLANIDIS P. , KESSISSOGLOU D. P. , KREBS B. , DARTMANN M.
Published: May 2016

The 1:4 molar reaction of the tetrameric Cu(I) compounds (I) with pyridine‐2‐thione, pyridine‐4‐thione, and pyrimidine‐2‐thione in toluene or CH2Cl2 results in the formation of the dimeric products (III).
ChemInform Abstract: Disperse and Cationic Dyes Derived from 2‐(meta‐ and para‐Aminophenyl)imidazo(4,5‐b)pyridine.
Authors: SAVARINO P. , VISCARDI G. , CARPIGNANO R. , BARNI E. , FERRERO G.
Published: May 2016

2,3‐Diaminopyridine (I) reacts with m‐aminobenzoic acid (II) to give the imidazo(4,5‐b)pyridine (III) which is diazotized and then coupled with the anilines (V), forming the azo dyes (VI).
ChemInform Abstract: Inhibitors of Cyclic AMP Phosphodiesterase. Part 4. Synthesis and Evaluation of Potential Prodrugs of Lixazinone (N‐Cyclohexyl‐N‐methyl‐4‐((1,2,3,5‐tetrahydro‐2‐oxoimidazo(2,1‐b)quinazolin‐7‐yl)oxy)butyramide, RS‐82856).
Authors: VENUTI M. C. , ALVAREZ R. , BRUNO J. J. , STROSBERG A. M. , GU L. , CHIANG H.‐S. , MASSEY I. J. , CHU N. , FRIED J. H.
Published: May 2016

Reductive amination of the nitrobenzaldehyde (I) with the glycine esters (IIa) or the amides (IIb) followed by reduction of the nitro group and cyclization with cyanogen bromide (III) gives the quinazolines (IV).
ChemInform Abstract: Ascorbic Acid. Part 2. Structural Determination and Synthesis of 2‐ and 3‐Acyl Derivatives of 5,6‐O‐Isopropylidene‐L‐ascorbic Acid.
Authors: CABRAL J. , HAAKE P.
Published: May 2016

The 2‐ or 3‐acylated derivatives (III) and (V) respectively are obtained from 5,6‐O‐isopropylidene‐L‐ascorbic acid (II) by convenient acylation reaction with benzoyl chloride (I) or acetyl chloride (IV).
ChemInform Abstract: New Inorganic Ultrafiltration Membranes: Titania and Zirconia Membranes.
Authors: LARBOT A. , FABRE J.‐P. , GUIZARD C. , COT L. , GILLOT J.
Published: May 2016

Titania and zirconia membranes are prepared by destabilization of colloidal solutions.
ChemInform Abstract: Bonding of Zirconia and Lanthanum Chromite by Co‐Firing.
Authors: SMITH D. S. , SAYER M. , ROEDER P. , SMITH A. , ODIER P.
Published: May 2016

It is demonstrated that co‐firing can be used to join zirconia and lanthanum chromite.
ChemInform Abstract: Anodic Oxidation of Lead in Aqueous Carbonate Solutions. Part 2. Film Formation and Dissolution in the pH Range 9 to 14.
Authors: SHOESMITH D. W. , BAILEY M. G. , TAYLOR P.
Published: May 2016

Anodic oxidation of Pb in aqueous carbonate solution results in the formation of a variety of surface phases depending on the pH.
ChemInform Abstract: Activation of Highly Ordered Pyrolytic Graphite for Heterogeneous Electron Transfer: Relationship Between Electrochemical Performance and Carbon Microstructure.
Authors: BOWLING R. J. , PACKARD R. T. , MCCREERY R. L.
Published: May 2016

It is found that modification of highly ordered pyrolytic graphite (HOPG) by both anodization or pulsed laser irradiation accelerates the heterogeneous electron transfer rate constants (k0) for the Fe(CN)3‐/46 and dopamine redox systems by ∼ 6 orders of magnitude.
ChemInform Abstract: Effects of Replacing Oxygen by Sulfur at the Endogenous Bridging Center on the Redox Properties of Binuclear Copper(II) Complexes.
Authors: BOND A. M. , HAGA M. , CREECE I. S. , ROBSON R. , WILSON J. C.
Published: May 2016

The effect of the bridging O or S on the redox properties of (I) is examined by comparative voltammetry at Hg, Pt, Au and glassy‐carbon electrodes in CH2Cl2, THF, DMF and PrCN.
ChemInform Abstract: Stereochemical Studies on the Formation of α,β‐Epoxysulfones Using α‐Chloro‐β‐hydroxysulfones of Known Configuration.
Authors: GROSSERT J. S. , SOTHEESWARAN S. , DHARMARATNE H. R. W. , CAMERON T. S.
Published: May 2016

The synthesis of epoxysulfone (II) once prepared from the same precursor (I) (major diastereomer) by Bohlmann and Haffer (1969) is repeated and the stereochemistry assigned earlier to (II) is confirmed by X‐ray crystallography (space group Pca21 with Z=4).
ChemInform Abstract: Diastereofacial Control in the Reaction of (R)‐α‐(p‐Tolylsulfinyl)acetophenones with Several Organometallics.
Authors: FUJISAWA T. , FUJIMURA A. , UKAJI Y.
Published: May 2016

The p‐tolylsulfinylacetophenones (I) react diastereoselectively with the organometallic reagents (II) or (V), forming mixtures of the compounds (III) and (IV) with predominance of one of these products.
ChemInform Abstract: Anomalous Cycloaddition of Oxazoles with PTAD.
Authors: IBATA T. , ISOGAMI Y. , TAMURA H.
Published: May 2016

The oxazoles (I) react with N‐phenyl‐1,2,4‐triazole‐3,5‐dione (II) to give the anomalous cycloaddition products (III).
ChemInform Abstract: Photochemical Skeletal Redistributions of Permethylated Linear and Cyclic Oligosilyl Groups in (η5‐C5H5)Fe(CO)2‐Substituted Oligosilanes.
Authors: PANNELL K. H. , WANG L.‐J. , ROZELL J. M.
Published: May 2016

Photochemical treatment of the title complexes (I) and (IV) which contain at least four silicon atoms results in very high‐yield formation of the tris(silyl)silyl complexes (II), (III) and (V).
ChemInform Abstract: Photo Diels‐Alder Additions. Part 4. 1,4‐Photoaddition of α‐(tert.‐Butylthio)acrylonitrile to Acylnaphthalenes.
Authors: DOEPP D. + , MEMARIAN H. R. , KRUEGER C. + , RAABE E.
Published: May 2016

While nitrile (II) does not photoreact with (Ic) or 2‐acetonaphthone, it adds to photoexcited (Ia), (Ib), and (IV) in a (4 + 2) mode with highly regio‐ and stereoselective formation of (IIIa) (not isolable due to its instability), (IIIb) (space group P21/c with Z=4), and (V), respectively.
ChemInform Abstract: Designing Zeolite Catalysts for Size‐ and Shape‐Selective Reactions: Selective Hydrogenation of Acetylene in the Presence of Butadiene and Ethylene
Authors: CORBIN D. R. , ABRAMS L. , BONIFAZ C.
Published: May 2016

(on small‐pore zeolites which are ion‐exchanged with Ni2+, subsequently reduced, and poisoned at the metal sites on the external zeolite surface (e.g.
ChemInform Abstract: Homologation of Methanol Catalyzed by Manganese Carbonyl in Tertiary Amine‐Methanol Solutions.
Authors: CHEN M. J. , RATHKE J. W.
Published: May 2016

It is shown that (IV) is formed concurrently via methyl transfer by the methylated tert. amine and by methyl formate formed in the medium.
ChemInform Abstract: Palladium‐Catalyzed Carbonylation of Aryl Iodides in Aqueous Media.
Authors: BUMAGIN N. A. , NIKITIN K. V. , BELETSKAYA I. P.
Published: May 2016

Pd‐catalyzed carbonylation of (het)aryl iodides such as (I) in the presence of potassium carbonate leads to the formation of carboxylic acids, e.g. (III).
ChemInform Abstract: Orbital Theory Provoked Experiments in Organic Chemistry. Part 4. Selectivities of Aromatic Methyl Metalation. Unexpectedly Strong Interactions of Carbanions with Aromatic Rings.
Authors: INAGAKI S. , IMAI T. , MORI Y.
Published: May 2016

The preferential 3‐metalation of 1,3‐dimethylnaphthalene and 1,3‐dimethylanthracene with K‐diisopropylamide (and subsequent quenching with MeOD) is in conflict with the predictions from the LUMO amplitudes.
ChemInform Abstract: Simple Syntheses of Isomers of Muconaldehyde and 2‐Methylmuconaldehyde.
Authors: GOLDING B. T. , KENNEDY G. , WATSON W. P.
Published: May 2016

Oxidative cleavage of the cyclohexadienediols (I) yields the Z,Z‐configurated butadienedicarbaldehydes (II).
ChemInform Abstract: Synthesis of Insecticidally Active 3‐Phenoxybenzyl and α‐(RS)‐Cyano‐3‐phenoxybenzyl (.+‐.)‐trans‐2‐(2,2‐Dichlorovinyl)spiro(2.5)octane‐1‐carboxylates.
Authors: KULKARNI G. H. , ARBALE A. A.
Published: May 2016

The spiro‐fused cyclopropanecarboxylates (XIV) and (XVI) mentioned in the title are prepared via dehydrochlorination/cyclization of the tetrachloride (VI).
ChemInform Abstract: Phase‐Transfer Catalyzed Peroxidation of Carboxylic Acids with Potassium Persulfate.
Authors: PANDE C. S. , JAIN N.
Published: May 2016

Carboxylic acids such as (I) are treated with potassium peroxodisulfate under various conditions to yield the peroxoic acids (II).
ChemInform Abstract: 2,6‐Dimethoxybenzenethiol, an Odorless Crystalline Thiol with High Nucleophilicity.
Authors: WADA M. , TENMA K. , KAJIHARA K. , HIRATA K. , ERABI T.
Published: May 2016

The air‐stable title compound is found to possess much stronger nucleophilicity toward alkyl halides than PhSH.
ChemInform Abstract: Reaction of N‐Substituted N′‐Trifluoromethylcarbodiimides with Ammonia.
Authors: MARTYNOV I. V. , AKSINENKO A. YU. , KORENCHENKO O. V. , GONTAR' A. F. , SOKOLOV V. B.
Published: May 2016

The carbodiimides (I) react with ammonia (II) to give the cyanoguanidines (III).
ChemInform Abstract: Novel 1,2‐Phenyl Shift in Silver‐Assisted Reaction of Triphenylchloroallene with Aromatic Amines.
Authors: KITAMURA T. , TANIGUCHI H.
Published: May 2016

Triphenylchloroallene (I) is coupled with the anilines (II) in the presence of silver triflate (III) to form the salts (IV) via elimination of chlorine and migration of a phenyl group.
ChemInform Abstract: Synthesis, Structure, and Properties of Triple‐Layered (2.2) (2.2)Naphthalenophane.
Authors: OTSUBO T. , ASO Y. , OGURA F. , MISUMI S. , KAWAMOTO A. , TANAKA J.
Published: May 2016

The outer naphthalene rings of the title compound (III) (space group P1 with Z=4) adopt boat forms while the inner ring exists in a twist form.
ChemInform Abstract: Selective Cleavage of Thiazolidines. Part 1. Mercuric Acetates in Aprotic Media.
Authors: KANG J. , CHOI Y. R. , CHOI S.‐G. , CHO H. G. , LIM D. , IM W. B. , LEE J. H.
Published: May 2016

Selective cleavage of thiazolidines such as (I) is carried out in MeCN with CaCO3 as acid scavenger.
ChemInform Abstract: Heterocycle Formation from 1,3‐Dinitroalkanes. A Novel Pyrazole Synthesis.
Authors: CABRERA ESCRIBANO F. , ALCANTARA M. P. D. , GOMEZ‐SANCHEZ A.
Published: May 2016

The 1,3‐dinitroalkanes (III), prepared by coupling the nitroolefins (I) with the nitroalkanes (II) in the presence of bases, react with hydrazine hydrate (IV) to form the pyrazoles (V).
ChemInform Abstract: Halogenation of Isoxazoles.
Authors: SAKAKIBARA T. , KUME T. , HASE T.
Published: May 2016

In connection with an investigation of the nuclear functionalization of isoxazoles, 4‐halogenated derivatives are required.
ChemInform Abstract: A Convenient Synthesis of 1,3‐Oxathiole‐2‐thione Derivatives. Reaction Between Sodium 1‐Imidazolecarbodithioate and α‐Halo Ketones.
Authors: ISHIDA M. , SUGIURA K. , TAKAGI K. , HIRAOKA H. , KATO S.
Published: May 2016

Sodium 1‐imidazolecarbodithioate (III) reacts with the α‐bromo ketones (IV) in the presence of triethylamine or excess (III) to form the 1,3‐oxathiole‐2‐thiones (V).
ChemInform Abstract: Unusual Transformation of N,N′‐Bismesityldichloromalondiimidoyl Dichloride with Sodium Azide.
Authors: DASHKOVSKAYA E. V. , SHIVANYUK A. F. , LOZINSKII M. O. , SOKOLOVA YU. A. , D'YACHENKO O. A. , ATOVMYAN L. O.
Published: May 2016

Reaction of the diimidoyl dichloride (I) with sodium azide (II) gives the bistetrazolyliminomethane (III).
ChemInform Abstract: The Chemistry of Constrained Hetero Aromatics. Part 6. Synthesis of Two Isomeric (2.2)(2,4)Pyridinophanes.
Authors: KAWASHIMA T. , FUJIMOTO Y. , TOHDA Y. , ARIGA M. , MORI Y. , MISUMI S.
Published: May 2016

2,4‐Lutidine (I) is converted to the bisisothiuronium salt (IV) via the bis(chloromethyl)pyridine (II).
ChemInform Abstract: A Novel Method for the Generation of Thial S‐Sulfides from 2,4,6‐Trisubstituted 5,6‐Dihydro‐1,3,5‐dithiazines.
Authors: TAKIKAWA Y. , MAKABE T. , HIROSE N. , HIRATSUKA T. , TAKOH R. , SHIMADA K.
Published: May 2016

The aldehydes (I) react with ammonia (II) and hydrogen sulfide (III) in ethanol to give the 1,3,5‐dithiazine derivatives (IV).
ChemInform Abstract: Heterocyclic Seven‐Membered Ring Compounds. Part 34. A Simple Synthesis of 1‐Benzoxepin and 1‐Benzothiepin.
Authors: HOFMANN H. , DJAFARI H.
Published: May 2016

The Ce(III)‐catalyzed reduction of (IIa) and of the known thio analogue (IIb) yields the alcohols (III).
ChemInform Abstract: Synthesis and Properties of 8H‐3‐Oxaheptalen‐8‐one.
Authors: NAKAZAWA T. , ISHIHARA M. , JINGUJI M. , YAMAGUCHI M. , YAMOCHI H. , MURATA I.
Published: May 2016

The tricyclic ether (I) undergoes photo‐induced rearrangement to form mainly the oxaheptalenone (II), together with the hydroxyazulene (III).
ChemInform Abstract: Replacement of the CHR‐O Fragment in 1,3,5,2‐Dioxaphosphaborinane.
Authors: NIKONOV G. N. , IGNAT'EVA S. N. , BALUEVA A. S. , ERASTOV O. A. , ARBUZOV B. A.
Published: May 2016

The dioxaphosphaborinanes (I) react with the aldehydes (II) or (IV) bearing electron accepting groups under replacement of the CHR‐O fragment to give the corresponding dioxaphosphaborinanes (III) or (V).
ChemInform Abstract: Syntheses and Structures of Ethyl‐, Propyl‐, Butyl‐, and Mesitylantimony.
Authors: ATES M. , BREUNIG H. J. , GUELEC S. + , OFFERMANN W. , HAEBERLE K. + , DRAEGER M. +
Published: May 2016

Dehalogenation of the alkylantimony dibromides (I) with Mg gives solutions containing mainly the ring compounds (II) and (III).
ChemInform Abstract: Solid‐State Structure of (Li(μ‐OAr‐2,6‐Ph2)3Sn) (OAr‐2,6‐Ph2: 2,6‐Diphenylphenoxide): A Cage Compound Containing a Pyramidal Lithium Atom.
Authors: SMITH G. D. , FANWICK P. E. , ROTHWELL I. P.
Published: May 2016

The title compound (III), obtained as minor product in the reaction of (I) with SnCl4, is obtained in higher yield by using SnCl2 (II) as initial tin compound.
ChemInform Abstract: Formation of Racemic and Meso Isomers of Mono‐ and Dihydroxo‐Bridged Dinuclear Ions by Hydrolysis of the cis‐Aquahydroxobis(1,2‐ethanediamine)rhodium(III) Ion.
Authors: BJERRUM M. J. , KAAS K. , LARSEN E. , NIELSEN B. , SPRINGBORG J.
Published: May 2016

The hydrolysis of the racemic title complex ion at 60, 80 and 100 °C is studied by HPLC, and it is shown that the equilibrium solutions contain the meso (Δ,Λ) and the racemic (Δ,Δ/Λ,Λ) isomers of the species (I) and (II) together with the mononuclear parent compound.
ChemInform Abstract: 1,1′‐Bis(diphenylphosphino)ferrocene Complexes of Platinum(II) and Platinum(I). Crystal and Molecular Structure of ((L‐L)Pt(μ‐H)(μ‐CO)Pt(L‐L)) (BF4)·0.5 H2O, Where L‐L: Fe(η5‐C5H4PPh2)2.
Authors: BANDINI A. L. , BANDITELLI G. , CINELLU M. A. , SANNA G. , MINGHETTI G. , DEMARTIN F. , MANASSERO M.
Published: May 2016

Starting with the complex (I) a series of Pt(II) complexes with the title ligand are synthesized as outlined in the scheme and characterized in solution.
ChemInform Abstract: The Chemistry of Thujone. Part 12. The Synthesis of Pyrethroid Analogues via Chiral Cyclopropanation.
Authors: BECALSKI A. , CULLEN W. R. , FRYZUK M. D. , HERB G. , JAMES B. R. , KUTNEY J. P. , PIOTROWSKA K. , TAPIOLAS D.
Published: May 2016

The diene (II) obtained from thujone (I) is treated with ethyl or L‐menthyl diazoacetate (III) in the presence of various chiral and achiral copper catalysts to give cyclopropanes such as (IV) and (V).
ChemInform Abstract: Synthesis and Reactions of 2‐Arylhydrazinotropones. Part 2. Synthesis of 5‐Aryltropolones and B‐Ring‐Open Colchicine Analogues via Benzidine Type Rearrangement of 2‐(2‐Arylhydrazino)tropones.
Authors: NOZOE T. , TAKASE K. , YASUNAMI M. , ANDO M. , SAITO H. , IMAFUKU K. , YIN B.‐Z. , HONDA M. , GOTO Y. , HANAYA T. , HARA Y. , YAMAMOTO H.
Published: May 2016

Benzidine type rearrangement of the hydrazinotropones (III) yields the tropones (IV) which are transformed to the title tropolones (V).
ChemInform Abstract: Optically Pure 3,4‐Disubstituted Azetidinones from Sugars.
Authors: CHMIELEWSKI M. , KALUZA Z. , ABRAMSKI W. , GRODNER J. , BELZECKI C. , SEDMERA P.
Published: May 2016

Glycolic cleavage of the vic‐diols (I) and (V) yields the corresponding dialdehydes.
ChemInform Abstract: Preparation and Crystal Structure of Lithium Hydrogensulfide, LiHS.
Authors: JACOBS H. , KIRCHGAESSNER R. + , BOCK J.
Published: May 2016

LiHS is prepared by reaction of LiNH2 with liquid H2S (autoclave, 250 bar, 150 °C, 7 d).
ChemInform Abstract: Thermodynamics of Ionization of Hypophosphorous and Phosphorous Acids. Substituent Effects on Second Row Oxy Acids.
Authors: LARSON J. W. , PIPPIN M.
Published: May 2016

The pKa values of H3PO2 and H3PO3 at 5, 25, 45, 65, and 85 °C are determined using an NMR method.
ChemInform Abstract: The Bromine Electrode in ZnBr2‐NaBr Melts.
Authors: HAYASHI H. , UNO K. , TAKEHARA Z. , KATAGIRI A.
Published: May 2016

A thermodynamically meaningful and stable bromine gas electrode can be constructed by using a gold substrate and a special gas feeding equipment.
ChemInform Abstract: In situ X‐Ray Diffraction Study of Metal Hydride Formation in Palladium and Palladium‐Based Alloy Electrodes Under Cathodic Hydrogen Charging.
Authors: MACHIDA K. , ENYO M.
Published: May 2016

The in situ XRD technique is improved for accepting samples with low crystallinity and applied to the study of hydride formation in Pd and Pd‐Au alloy foils and amorphous Pd‐Zr electrodes.
ChemInform Abstract: A New Lithosilicate: Rb5LiNiSi2O8 = Rb5(LiNiSi2O8).
Authors: HOFMANN R. , HOPPE R.
Published: May 2016

Single crystals of the title compounds are obtained from the reaction of RbO0.6, LiO0.5, and SiO2 in a sealed Ni‐tube (wall‐reaction, 600 °C, 10 d).
ChemInform Abstract: Single‐Crystal EPR Spectrum of the Phosphido‐Bridged Radical Fe2(CO)7(μ‐PPh2).
Authors: KRUSIC P. J. , BAKER R. T. , CALABRESE J. C. , MORTON J. R. , PRESTON K. F. , LE PAGE Y.
Published: May 2016

The EPR spectrum of the 33e title compound (Ib) is measured in the diamagnetic host (Ia) at 77 K. The crystal structure of the host complex (P1, Z=2) is established by X‐ray diffractometry.
ChemInform Abstract: The Effect of the Nature of the Lowest Unoccupied Molecular Orbital (LUMO) of Some Arylmethylsulfonium Salt Derivatives on Photochemical and Redox Behavior.
Authors: SAEVA F. D. , BRESLIN D. T. , MARTIC P. A.
Published: May 2016

Fluorescence quantum yield, excited singlet state lifetimes, and electrochemical peak potentials for reduction of (I) and (II) support the conclusion from MO calculations that the nature of the LUMO switches from σ* to π* for (Ib) and (IIb).
ChemInform Abstract: Stereoselective SN2′ Additions of Organocuprates to Homochiral Acyclic Vinyloxiranes.
Authors: MARSHALL J. A. , TROMETER J. D. , CLEARY D. G.
Published: May 2016

Additions of various methyl copper reagents (e.g.
ChemInform Abstract: Oxidation of Secondary Cyclic Alcohols with Pb(OAc)4 Catalyzed by Cu(II) Compounds.
Authors: KAPUSTINA N. I. , POPKOV A. YU. , GASANOV R. G. , NIKISHIN G. I.
Published: May 2016

Cu(II)‐catalyzed oxidation of the secondary cyclic alcohols (I) with Pb(OAc)4 produces the unsaturated aldehydes (II), the ketones (III), and the oxabicycles (IVc) and (IVd).
ChemInform Abstract: Evidence for a Square Scheme Involving Conformational Intermediates in Electron‐Transfer Reactions of Copper(II)/(I) Systems.
Authors: BERNARDO M. M. , ROBANDT P. V. , SCHROEDER R. R. , RORABACHER D. B.
Published: May 2016

The cyclic voltammetric behavior of the complexes (Ia)/(Ib) and related systems is examined in details in both water and 80% MeOH in order to characterize the unusual electron‐transfer behavior previously observed for this system and related complexes.
ChemInform Abstract: Reactions Between Metal Carbonyl Anions and Cations: Rapid Two‐Electron Transfer Followed by One‐Electron Back Transfer.
Authors: ZHEN Y. , ATWOOD J. D.
Published: May 2016

IR spectroscopic studies confirm that reaction of Re(CO)5 anions (I) with Mn(CO)6 cations (II) proceeds by a rapid two‐electron, one‐carbonyl transfer producing R(CO)6 cations (III) and Mn(CO)5 anions (IV) followed by a slower one‐electron back transfer to the binuclear products (V) isolated (no yields given).
ChemInform Abstract: New Fluorinating Reagents. Part 1. The First Enantioselective Fluorination Reaction.
Authors: DIFFERDING E. , LANG R. W.
Published: May 2016

The optically active fluorinating agents (IV) are prepared from the sulfonylimine (I) via the sultams (II).
ChemInform Abstract: Carbonylations Mediated by Dicyclopentadienylsamarium.
Authors: COLLIN J. , KAGAN H. B.
Published: May 2016

Carbonylation of tert‐butyl bromide (I) in the presence of dicyclopentadienylsamarium yields the diol (III) and the hydroxy dione (IV) or exclusively (III) depending on the reaction temperature.
ChemInform Abstract: The Role of BF3·Et2O in Reactions of Lower Order (Gilman) Organocuprates.
Authors: LIPSHUTZ B. H. , ELLSWORTH E. L. , SIAHAAN T. J.
Published: May 2016

The effects of BF3·Et2O on low order organocuprate reactions in THF are investigated so as to determine what factors are responsible for the oftentimes dramatic reaction‐rate enhancements observed.
ChemInform Abstract: Synthesis of Bifunctional Molecules by Acid‐Catalyzed Ozone Oxidation of 1‐Methylcycloalkenes.
Authors: GRIESBAUM K. , KIESEL G.
Published: May 2016

The keto esters (III) are produced by ozonolysis of the cycloalkenes (I) in methanol (II) in the presence of HCl.
ChemInform Abstract: Biscarbamoyl Diselenide as a Carbamoylating Reagent. A Convenient Method for the Preparation of ω‐Haloalkyl Carbamates from Cyclic Ethers.
Authors: FUJIWARA S. , OGAWA A. , KAMBE N. , RYU I. , SONODA N.
Published: May 2016

The biscarbamoyl diselenide (I) reacts with the cyclic ethers (II) in the presence of mercuric halides to produce the ω‐haloalkyl carbamates (III).
ChemInform Abstract: Amphiphilic Liquid Crystals. Part 1. Synthesis of trans‐4‐n‐Alkyl‐trans‐2‐hydroxymethylcyclohexanols.
Authors: TSCHIERSKE C. , ZASCHKE H.
Published: May 2016

The 4‐alkylcyclohexanones (I) are converted to the zinc enolates (V).
ChemInform Abstract: Intramolecular (3 + 4) Allyl Cation Cycloaddition: Novel Route to Hydroazulenes.
Authors: GIGUERE R. J. , DUNCAN S. M. , BEAN J. M. , PURVIS L.
Published: May 2016

1,5‐Pentanediol (I) is subjected to consecutive monoprotection, oxidation, and Wittig olefination, followed by deprotection and further oxidation/olefination to give the 1‐hydroxy‐2‐silylmethyldecatriene (VII).
ChemInform Abstract: Regioselective Catalytic Addition of Proton Donors to 1‐Alkylcyclopropene‐3‐carboxylic Acid Esters. Part 3. Reaction of Methyl 1‐Alkylcyclopropene‐3‐carboxylates with Compounds Containing Mobile Hydrogen at Oxygen, Sulfur, or Nitrogen Atoms.
Authors: SHAPIRO E. A. , PROTOPOPOVA M. N. , NEFEDOV O. M.
Published: May 2016

Copper(I)‐catalyzed reaction of the cyclopropenecarboxylates (I) with phenol (II) or 4‐nitrophenol (V) gives the vinylic phenol ethers (III) and (VI) and, if equimolar amounts of the copper catalyst are used, the chlorobutenoate (IV).
ChemInform Abstract: Iron(II)‐Catalyzed Debromination of vic‐Dibromides in N,N‐Dimethylformamide.
Authors: KHURANA J. M. , MAIKAP G. C.
Published: May 2016

Debromination of the vic‐dibromides (I) with equimolar amounts of iron(II) oxalate produces the olefins (II).
ChemInform Abstract: Synthesis of 2‐Alkyl(Aryl)‐cis‐1‐thiahydrindans.
Authors: VOLYNSKII N. P. , ZEGEL'MAN L. A. , SMIRNOV M. B.
Published: May 2016

Starting with the chloromethylcyclohexene (I), the title compounds (VI) are synthesized as shown in the reaction scheme.
ChemInform Abstract: Formation of N‐N and N‐C Bond‐Cleavage Products in Displacements with N,N‐Disubstituted Hydrazines on 1‐Halo‐ or 1,4‐Dihaloanthracene‐9,10‐diones.
Authors: KRAPCHO A. P. , AVERY K. L. JUN.
Published: May 2016

Reaction of the haloanthraquinones (I) with dimethylhydrazine (II) or N‐aminopiperidine (VI) results in predominant or exclusive cleavage of the N‐N bond, producing the amine derivatives (III), (V), or (VII).
ChemInform Abstract: Addition‐Elimination Reactions of 4‐ and 6‐Chloroindoline‐2,3‐diones with Certain Nucleophilic Reagents.
Authors: VARMA R. S. , GUPTA P.
Published: May 2016

Methylation of the chloroisatins (I) with dimethyl sulfate (II) produces the corresponding N‐methyl derivatives (III) which are coupled with the benzoic acid hydrazides (IV) to yield the hydrazonoindolinones (V).
ChemInform Abstract: Synthesis and Ligand Properties of 1,3‐Dihydro‐1,3‐diborapentafulvene Derivatives.
Authors: SCHAEFER V. + , PRITZKOW H. , SIEBERT W.
Published: May 2016

Reactions of the alkenes (I) with the 1,1‐disubstituted 2‐methyl‐1‐propene (II) yield the title compounds (III).
ChemInform Abstract: Multistep Reversible Redox Systems. Part 53. 4,4′‐Bipyridine‐1,1′‐diylbisboranes.
Authors: HUENIG S. + , WEHNER I.
Published: May 2016

The pale‐yellow 2:1 adduct (III) is formed from the components.
ChemInform Abstract: Reductive Coupling of Carbonyl Compounds with Zinc and Trimethylchlorosilane to Produce O‐Silylated Pinacols. Effect of Ultrasonic Waves.
Authors: SO J.‐H. , PARK M.‐K. , BOUDJOUK P.
Published: May 2016

The aldehydes and ketones (I) or (V) undergo reductive coupling in the presence of trimethylsilyl chloride (II) and zinc to produce the 1,2‐bis(silyl ethers) (III) and (VI).
ChemInform Abstract: The Silyl‐Cupration and Stannyl‐Cupration of Allenes.
Authors: FLEMING I, , ROWLEY M. , CUADRADO P. , GONZALEZ‐NOGAL A. M. , PULIDO F. J.
Published: May 2016

The stoichiometric silyl‐cupration of the allene (I), followed directly by treating the intermediate cuprate with an electrophile (e.g.
ChemInform Abstract: Lewis Base Adducts to Diorganosilylenes.
Authors: GILLETTE G. R. , NOREN G. H. , WEST R.
Published: May 2016

The sterically hindered silylenes (II) are generated by UV photolysis at 254 nm of the linear trisilanes (I).
ChemInform Abstract: Chemistry of Boron. Part 193. Reactions of Amino‐imino‐boranes with Organyl, Methoxy, and Dimethylamino Compounds of Phosphorus, Arsenic, and Antimony.
Authors: BRANDL A. , KOELLE P. + , NOETH H. +
Published: May 2016

The insertion of the E‐O or E‐N bond of phosphane, arsane, and stibane derivatives of the type E(OMe)3 and E(NMe2)3 e.g. (II) into the B=N bond of the amino‐imino‐boranes (I) giving the products (III) is determined by the Lewis acidity of the EX3 compounds which increases for this series according to E: P < As < Sb.
ChemInform Abstract: Synthesis and Reactivity of a 1‐Chloro‐λ3‐phosphirane.
Authors: NIECKE E. , LEUER M. , NIEGER M.
Published: May 2016

The (disilylmethyl)dichlorophosphane (II) reacts with the monolithium derivative of (I) to give two isomers of the title compound (III).
ChemInform Abstract: Interaction of the (Dimethylglyoximato)(pyridine)cobalt Anion, (Co(dmgH)2py)‐, with Vinyl Triflates. Stereochemistry and Mechanism of Formation of Vinyl‐Cobaloxime Complexes.
Authors: STANG P. J. , DATTA A. K.
Published: May 2016

Using simple alkylvinyl triflates (II), the title reaction proceeds in less than 10 min to give stable crystalline σ‐vinyl‐cobaloxime complexes (III).
ChemInform Abstract: Synthesis, Characterization and Catecholase Activity of a Series of Novel Mononuclear Cu(II) Complexes Derived from a Tripodal Ligand.
Authors: MALACHOWSKI M. R. , DAVIDSON M. G. , HOFFMAN J. N.
Published: May 2016

A new tetradentate ligand (III) is prepared which forms the five‐coordinate title complexes (V), (VII) or (IX) (no yield given) as shown by electronic spectroscopy and FAB mass spectrometry.
ChemInform Abstract: Ruthenium Complexes with Diazadienes. Part 9. A New Chromophore from Two Diazadiene Ruthenium Units. Structure and Properties of ((CO)2(DAD)CH3Ru‐RuCH3(DAD)(CO)2) (DAD: iPr‐N=CH‐CH=N‐iPr).
Authors: TOM DIECK H. , ROHDE W. , BEHRENS U.
Published: May 2016

The two‐electron reduction of diiododicarbonyl(diazadiene)‐Ru(II) complexes such as (I) gives the reactive ruthenates(0) of the type ((diazadiene)Ru(CO)2I)‐ which add organic electrophiles to afford iodo(organyl)‐Ru compounds of the type (III) as demonstrated for the example (IIIa).
ChemInform Abstract: Limitations in the Application of Anionic Oxy‐Cope Sigmatropy to Elaboration of the Forskolin Nucleus.
Authors: PAQUETTE L. A. , OPLINGER J. A.
Published: May 2016

The bicyclooctenone (II) undergoes 1,2‐addition with lithiated dihydropyran (III) to give the alcohols (IV) and (V).
ChemInform Abstract: Biomimetic Transformation of a Guaianolide to a Pseudoguaianolide.
Authors: BORDOLOI M. , SARMAH J. C. , SHARMA R. P.
Published: May 2016

The long awaited transformation of the guaianolide skeleton of cyclotagitinin C (I) to the pseudoguaianolide skeleton of compound (VI) is achieved by a sequence via the intermediates (II) and (IV).
ChemInform Abstract: Stereoselective Alkylation of Chiral Glycine Enolate Synthons. The Enantioselective Synthesis of α‐Amino Acid Derivatives.
Authors: DELLARIA J. F. JUN. , SANTARSIERO B. D.
Published: May 2016

The chiral oxazinones (II), derived from D‐2‐phenylglycinol (I), are treated with sodium hexamethyldisilazide and the halides (III), yielding selectively either the trans‐substituted oxazinones (IV) or the cis‐substituted derivative (VI) depending on the protection group at the nitrogen.
ChemInform Abstract: Unsaturated Amino Acids: Synthesis of trans‐3,4‐Didehydro Analogues of L‐Ornithine and L‐Arginine.
Authors: TOLMAN V. , SEDMERA P.
Published: May 2016

The key steps in the synthesis of the unsaturated amino acids (VIII) and (X) are the coupling of the N‐acetylaminomalonate (I) with the propiolate (II), forming the trans‐configurated acrylate (III), and the Gabriel amination of the chloride (V) with potassium phthalimide (VI).