bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Electrogenerated Nickel(0)‐Catalyzed Carbon Dioxide Incorporation into α,ω‐Diynes.
Authors: DERIEN S. , DUNACH E. , PERICHON J.
Published: May 2016

The influences are studied which are exerted by solvent, temp., CO2 pressure, and catalyst on product formation in the reactions of (I) and 1,6‐heptadiyne with CO2 (II).
ChemInform Abstract: Cobalt(II)‐Catalyzed Coupling Reaction of α,β‐Unsaturated Compounds with Aldehydes by the Use of Phenylsilane. New Method for Preparation of β‐Hydroxy Nitriles, Amides, and Esters.
Authors: ISAYAMA S. , MUKAIYAMA T.
Published: May 2016

Benzaldehyde (Ia) is coupled with the acrylonitriles (II) in the presence of phenylsilane (III) and a cobalt bisdiketonate to form the intermediate β‐siloxy nitriles (IV) which are hydrolyzed, yielding the hydroxy analogues (V).
ChemInform Abstract: Construction of Medium‐ and Large‐Sized Cyclic β‐Keto Esters (or Nitriles) via One‐Pot Three‐Carbon Ring Expansion of Carbocyclic β‐Keto Esters and Its Application to the Synthesis of (‐)‐Muscone.
Authors: XIE Z.‐F. , SAKAI K.
Published: May 2016

Nine cyclic β‐keto esters such as (I) are treated with potassium tert‐butoxide in DMSO to give the corresponding ring‐enlarged products, e.g. (II), via intramolecular aldol condensation followed by retro‐aldol cleavage.
ChemInform Abstract: Synthesis of Chiral Triamine Ligands from Ephedrine and Pseudoephedrine.
Authors: DIETER R. K. , LAGU B. , DIETER J. W. , DEO N. , PENNINGTON W. T.
Published: May 2016

Pseudoephedrine (I) is N‐alkylated with the chlorides (II) in the presence of a base to give the derivatives (III).
ChemInform Abstract: The Novel Catalytic Action of Clay Montmorillonite on the Additions of Silyl Ketene Acetals to α,β‐Acetylenic Esters.
Authors: ONAKA M. , MIMURA T. , OHNO R. , IZUMI Y.
Published: May 2016

The coupling of the propiolates (I) with the silyl ketene acetals (II) or (VII) is performed in the presence of iron montmorillonite or trimethylsilyl triflate to give different adducts as outlined in the reaction scheme.
ChemInform Abstract: Enantioselective Synthesis of Furyl Alcohols by Catalytic Asymmetric Addition of Diethylzinc to Furanaldehydes.
Authors: VAN OEVEREN A. , MENGE W. , FERINGA B. L.
Published: May 2016

The enantioselective reaction mentioned in the title is achieved in the presence of chiral amino alcohols.
ChemInform Abstract: Diastereoselective Addition of Organometallics to N‐(α‐Ketoacyl)‐trans‐2,5‐bis(methoxymethoxymethyl)pyrrolidine.
Authors: KAWANAMI Y. , FUJITA I. , OGAWA S. , KATSUKI T.
Published: May 2016

The N‐(1,2‐dioxophenethyl)pyrrolidine (I) is reductively methylated with the methylmetallic reagents (II) to give mixtures of the diastereomeric acyloins (III) and (IV).
ChemInform Abstract: Benzyne‐Oxazole Cycloadducts: Isolation and Retro‐Diels‐Alder Reactions.
Authors: WHITNEY S. E. , WINTERS M. , RICKBORN B.
Published: May 2016

Diels‐Alder reaction of benzyne (II), generated by oxidation of the aminobenzotriazole (I) with lead tetraacetate, with the oxazoles (III), yields the cycloadducts (IV).
ChemInform Abstract: Synthesis and Pharmacological Screening of a New Series of 3‐(4‐Antipyryl)‐2‐arylthiazolidin‐4‐ones.
Authors: AL‐KHAMEES H. A. , BAYOMI S. M. , KANDIL H. A. , EL‐TAHIR K. E. H.
Published: May 2016

The title compounds are evaluated for antinociceptive and spasmolytic activity.
ChemInform Abstract: Preparation and Antiarthritic Activity of New 1,5‐Diaryl‐3‐alkylthio‐1H‐1,2,4‐triazoles and Corresponding Sulfoxides and Sulfones.
Authors: SZILAGYI G. , SOMORAI T. , BOZO E. , LANGO J. , NAGY G. , REITER J. , JANAKY J. , ANDRASI F.
Published: May 2016

104 Triazoles of type (IV) or (VI) are synthesized and evaluated as anti‐inflammatory agents in the rat adjuvant‐induced arthritis assay.
ChemInform Abstract: Synthesis of 6H‐Pyrrolo(1,2‐c)(1,2,3)triazoles and 5H‐Pyrrolo(1,2‐d)tetrazoles: Alkylation and Acylation of the Monoanions.
Authors: DULCERE J.‐P. , TAWIL M. , SANTELLI M.
Published: May 2016

Thermal cyclization of the 1‐azido‐2‐penten‐4‐yne (III) leads to the formation of the triazole (IV) which is methylated to give the derivatives (VI) and (VII) via the corresponding anion.
ChemInform Abstract: Alkylation of 1,3‐Dithiane 1,1,3,3‐Tetroxide Derivatives.
Authors: BAZAVOVA I. M. , ESIPENKO A. N. , NEPLYUEV V. M. , LOZINSKII M. O.
Published: May 2016

Alkylation of the dithiane tetroxides (I) gives the monoalkylated (V), (VII), dialkylated (V), or spirocyclic compounds (VIII) depending on the molar ratio of the reactants and the reaction conditions.
ChemInform Abstract: Synthesis of Aminoerythrose and of Aminoerythritol Derivatives via Diels‐Alder Cycloadditions of 1‐tert‐Butyldimethylsiloxybutadiene with Acylnitroso Dienophiles.
Authors: DEFOIN A. , PIRES J. , STREITH J.
Published: May 2016

Cycloaddition reaction of the siloxybutadiene (I) with acylnitroso compounds, generated from the hydroxamic acids (II) by oxidation, yields the regioisomeric 1,2‐oxazines (III) and (IV).
ChemInform Abstract: Comparative Sulfhydryl Reaction Pathways of Chlorooxirane and Chloroacetaldehyde.
Authors: JOSEPH J. T. , ELMORE J. D. , WONG J. L.
Published: May 2016

Chlorooxirane (I) and chloroacetaldehyde (V), two bifunctional alkylating agents, are putative metabolites of vinyl chloride.
ChemInform Abstract: Organic Heterocyclothiazenes. Part 13. Rational Synthesis and Chemistry of 1,3,5,2,4‐Trithiadiazines.
Authors: BANNISTER R. M. , REES C. W.
Published: May 2016

The title compounds (V) and (VII) are prepared from the sulfenyl chlorides (III) and (VI) and the sulfurdiimide (IV) by high dilution synthesis.
ChemInform Abstract: Syntheses and Thermal Properties of New Liquid Crystals Bearing a Crown Ether Ring: Cation Binding in the Nematic Phase.
Authors: HE G.‐X. , WADA F. , KIKUKAWA K. , SHINKAI S. , MATSUDA T.
Published: May 2016

A series of crown ether derivatives such as the esters (IV) or the biphenyl derivatives (VII) is prepared as shown in the reaction scheme.
ChemInform Abstract: Hydrosilylation and Cyclization Reactions of Alkenes and Ketones with Tris(trimethylsilyl)silane.
Authors: KULICKE K. J. , GIESE B.
Published: May 2016

Radical‐initiated addition reaction of tris(trimethylsilyl)silane (II) to the alkenes (I) and ketones (IV) or (VI) leads to the formation of the silanes (III) or the silyl ethers (V), (VII), and (VIII).
ChemInform Abstract: Silicon Compounds with Strongly Intramolecular Sterical Interactions. Part 40. Additions of Di‐tert.‐butylsilylene to 2,2′‐Bipyridyls.
Authors: WEIDENBRUCH M. , LESCH A. , MARSMANN H.
Published: May 2016

Di‐tert.‐butylsilylene generated photolytically from the silirane (I) reacts with the bipyridyls (II) to give the bipyridyl(N,N')silanes (III).
ChemInform Abstract: The Chemistry of Niobium and Tantalum Dithiocarbamato‐Complexes. Part 3. Protonation of (Nb(NNMeR)(S2CNEt2)3) (R: Me or Ph).
Authors: HENDERSON R. A. , OGLIEVE K. E.
Published: May 2016

In the presence of excess HBr the reaction with (I) is irreversible giving the products (III) and (IV).
ChemInform Abstract: Synthesis and Reactivity of Aziridinocarbene Complexes of Chromium and Tungsten: Formation of Nitrile and Acetiminoester Complexes.
Authors: DENISE B. , MASSOUD A. , PARLIER A. , RUDLER H. , DARAN J. C. , VAISSERMANN J. , ALVAREZ C. , PATINO R. , TOSCANO R. A.
Published: May 2016

2‐Methylaziridine (II) reacts with the o‐tolyl(ethoxy)carbene‐Cr complex (I) to give the aziridinocarbene complex (III) which undergoes a thermal transformation to yield propene and the nitrile complex (IV) (space group Cmca, Z = 6).
ChemInform Abstract: Novel Synthesis of Vinblastine Derivatives. Part 6. Synthesis of 20′‐Deethyl‐20′‐deoxy‐C′‐homovinblastine.
Authors: SCHILL G. , PRIESTER C. U. , WINDHOEVEL U. F. + , FRITZ H.
Published: May 2016

The coupling of the azecinoindole derivative (I) with vindoline (II) via the respective chloroindolenine leads, after cyclization, to a mixture of the major isomers (IVa), (IVb) and the minor isomers (IVc), (IVd).
ChemInform Abstract: Synthesis of Chrysogine, a Metabolite of Penicillium chrysogenum and Some Related 2‐Substituted 4‐(3H)‐Quinazolinones.
Authors: BERGMAN J. , BRYNOLF A.
Published: May 2016

The title metabolite (IV) and several related quinazoline derivatives, e.g. (VI), (VIII) and (X), are synthesized using similar cyclization procedures.
ChemInform Abstract: Stereoselective Synthesis of (‐)‐(5R,6S)‐6‐Acetoxy‐5‐hexadecanolide, the Mosquito Oviposition Attractant Pheromone.
Authors: WANG Z.‐M. , QIAN X.‐H. , ZHOU W.‐S.
Published: May 2016

The key step in the synthesis of the title compound (IX) is the kinetic resolution of the alcohol (±)‐(III) using a modified Sharpless epoxidation reagent.
ChemInform Abstract: X‐Ray Emission Studies of Some LnGaO3 Single Crystals
Authors: JASIOLEK G. , DABKOWSKA H.
Published: May 2016

are performed for the compounds with Ln: La, Pr, Nd in order to obtain information on the valence band states.
ChemInform Abstract: Influence of the Preparation Technique on the Electrical Properties of the 2212 High Tc Superconductor Bi1.75Pb0.25Sr2CaCu2O8+z.
Authors: SCHLICHENMAIER M. , LOESCH S. + , KEMMLER‐SACK S. , KOELLE D. + , HARTMANN M. , HUEBENER R. P.
Published: May 2016

Samples of the title superconductor are prepared from Bi2O3, Bi(NO3)3·5 H2O, PbO, Sr(NO3)2, CaCO3, and CuO (680 °C, 15 h and subsequently 840‐850 °C, 220 h).
ChemInform Abstract: Precipitate Identification in Some (Fe1‐yMny)3Ga2‐xAsx Alloys.
Authors: DEVLIN E. , SMITH N. A. , HARRIS I. R. , COCKAYNE B. , MACEWAN W. R.
Published: May 2016

Substitution of Mn for Fe (to enhance the saturation magnetization) in the series of ferromagnetic alloys Fe3Ga2‐xAsx (0.21 ≦ x ≦ 1.125) leads to the onset of precipitation at Mn contents < 5 at.%.
ChemInform Abstract: Characterization of Neodymium Trichloride Hydrates and Neodymium Hydroxychloride.
Authors: KIPOUROS G. J. , SHARMA R. A.
Published: May 2016

DTA and XRD results show that the dehydration of NdCl3·6 H2O to anhydrous NdCl3 proceeds via the intermediates NdCl3·5 H2O, NdCl3·4 H2O and NdCl3·H2O. The dehydration process is accompanied by the formation of NdOCl and Nd(OH)2Cl.
ChemInform Abstract: Surface Electrochemistry of the Anodic Cl2 Evolution Reaction at Pt. Influence of Codeposition of Surface Oxide Species on Adsorption of the Cl· Intermediate.
Authors: CONWAY B. E. , PING G.
Published: May 2016

The influence of OH and O surface species on the Cl2 evolution reaction at Pt electrodes is studied by analysis of potential relaxation transients coupled with steady‐state kinetic measurements.
ChemInform Abstract: Dissolution Kinetics of Manganese Oxides. Effects of Preparation Conditions, pH and Oxidation/Reduction from Solution.
Authors: JONES C. F. , SMART R. ST. C. , TURNER P. S.
Published: May 2016

The specific dissolution rate of pure MnO, prepared by decomposition of MnCO3 above 900 °C in an H2/N2 atmosphere, is determined to be 4·10‐5 mol s‐1 m‐2at pH 2 and 30 °C. This rate is similar to that for ionic MgO and two orders of magnitude faster than for CoO.
ChemInform Abstract: Preparation of Single Crystals of a New Compound, Ta5B6 by the Aluminum‐Flux Method.
Authors: OKADA S. , HAMANO K. , HIGASHI I. , LUNDSTROEM T. + , TERGENIUS L.‐E.
Published: May 2016

Single crystals of Ta5B6 are obtained from the reaction of the elements in an aluminum flux (1650 °C, 5 h, argon).
ChemInform Abstract: Directed Metalation of Benzenesulfinamides. A Novel Route to Meta‐Substituted Aromatic Compounds.
Authors: KATRIZKY A. R. , LUE P.
Published: May 2016

The benzenesulfinanilides (I), prepared by a known procedure, are subjected to selective twofold lithiation yielding the intermediates (III) which are trapped with various electrophiles, e.g. (IV), (VII), or (IX), forming the substitution products (V), (VIII), or (X).
ChemInform Abstract: Diastereoselective 1,4‐Addition of Various Nucleophiles to 5‐Trimethylsilyl‐2‐cyclohexenone: Synthesis of (+)‐Ramulosin.
Authors: ASAOKA M. , SONODA S. , FUJII N. , TAKEI H.
Published: May 2016

Racemic and optically active trimethylsilyl‐2‐cyclohexenones such as (I), (IV) or (VI) undergo a variety of 1,4‐addition reactions to give the products (III), (V), (VIII) or (X) with modest to high diastereoselectivity.
ChemInform Abstract: Acyclic Stereoselection. Part 48. Reversal of Stereochemistry in the Aldol Reactions of a Chiral Boron Enolate.
Authors: DANDA H. , HANSEN M. M. , HEATHCOCK C. H.
Published: May 2016

The chiral propionyloxazolidinone (I) is treated with dibutylboryl triflate and Huenig base or triethylamine to generate a boron‐containing enolate intermediate which is coupled with the α,β‐unsaturated aldehydes (II) to give the anti‐(III) and syn‐adducts (IV).
ChemInform Abstract: Transition Metal‐Catalyzed Radical Cyclization: Copper‐Catalyzed Cyclization of Allyl Trichloroacetates to Trichlorinated γ‐Lactones.
Authors: NAGASHIMA H. , SEKI K. , OZAKI N. , WAKAMATSU H. , ITOH K. , TOMO Y. , TSUJI J.
Published: May 2016

The allyl trichloroacetates (III) and (VI), prepared by reaction of the alcohols (I) and (V) with trichloroacetyl chloride (II), are cyclized using CuCl as the catalyst to give the lactones (IV) or (VII) and (VIII).
ChemInform Abstract: Photolysis of 1,1,1‐Triphenylalkanes.
Authors: SHI M. , OKAMOTO Y. , TAKAMUKU S.
Published: May 2016

Photolysis of the cycloalkyltriphenylmethanes (I) or (XI) in methanol (II) gives diphenyl (III), the cycloalkyl(methoxy)phenylmethanes (V) or (XII), together with the benzylidenecycloalkanes (VI) or (XIIIc).
ChemInform Abstract: Reduction of Polycyclic Arenes by ‐BH‐ Boranes. Part. 3. Partial Hydrogenation: From Anthracene to Coronene.
Authors: YALPANI M. , KOESTER R. +
Published: May 2016

The hydrogenation of arenes proceeds via borylation and subsequent hydrogenolysis of B‐C bonds releasing hydroarenes and the diborane used.
ChemInform Abstract: Peptide Synthesis by a Combination of Solid‐Phase and Solution Methods. Part 3. Resin Derivatives Allowing Minimum‐Racemization Coupling of Nα‐Protected Amino Acids.
Authors: MERGLER M. , NYFELER R. , GOSTELI J.
Published: May 2016

The polymer‐bound benzylic alcohols (I) are treated with triphenyldichlorophosphorane generated in situ to form the corresponding benzylic chlorides.
ChemInform Abstract: Reaction of Arylboronic Acids and Their Derivatives with Lead Tetraacetate. The Generation of Aryllead Triacetates, and meta‐ and para‐Phenylenebis(lead triacetate), in situ for Electrophilic Arylation.
Authors: MORGAN J. , PINHEY J. T.
Published: May 2016

The title compounds (I) and some of their derivatives react with lead tetraacetate in the presence of mercury acetate, yielding the aryllead triacetates (III).
ChemInform Abstract: Thermal Activation of Alkane C‐H Bonds by Palladium Catalysts. Carbonylation of Alkanes with Carbon Monoxide.
Authors: FUJIWARA Y. , TAKAKI K. , WATANABE J. , UCHIDA Y. , TANIGUCHI H.
Published: May 2016

Cyclohexane (I) reacts with carbon monoxide (II) in the presence of palladium(II) acetate as the catalyst and potassium peroxodisulfate as the oxidant to give cyclohexanecarboxylic acid (III), together with trace amounts of benzoic acid (IV).
ChemInform Abstract: The Pyrolysis of Butatrienone Precursors: 3,4‐Diazatricyclo(5.2.1.02,6)deca‐3,8‐diene‐endo‐cis‐2,6‐dicarboxylic Anhydride and Its 5,5‐Diphenyl Derivative.
Authors: ANDERSON M. R. , BROWN R. F. C. , BROWNE N. R. , EASTWOOD F. W. , FALLON G. D. , GAN D. P. C. , PULLIN A. D. E. , STAFFA A. C.
Published: May 2016

Diacid (III) is prepared in much improved yield and dehydrated to give anhydride (IV) which adds readily diazomethane and diphenyldiazomethane to yield the title compounds (VI).
ChemInform Abstract: Synthesis of 1,1‐Bishomoadamant‐3‐ene (Tricyclo(5.3.1.13,9)dodec‐3‐ene).
Authors: WARD H. D. , MURRAY R. K. JUN.
Published: May 2016

Thermodynamic control of the O‐silylation of the bishomoadamantanone (I) yields the more stable silyl enol ether (III), whereas kinetic control results in the formation of the bridgehead olefin (IV).
ChemInform Abstract: Synthesis of Optically Active Ethanolamines.
Authors: BRUSSEE J. , DOFFERHOFF F. , KRUSE C. G. , VAN DER GEN A.
Published: May 2016

Title compounds such as (IV) are obtained in high optical purity from the optically active protected cyanohydrin (I).
ChemInform Abstract: Methylation of 3,3′‐Dihydroxylated 2,2′‐Binaphtho‐1,4;1′,4′‐quinones.
Authors: LAATSCH H.
Published: May 2016

Monomeric hydroxy‐p‐quinones such as (I) are in equilibrium with the corresponding o‐quinones (II), and on methylation a mixture of both isomeric ethers is obtained.
ChemInform Abstract: Cycloaddition Reactions of Nitroso Compounds to tert‐Butyl Ketene.
Authors: MODERHACK D. , STOLZ K.
Published: May 2016

(2 + 2)Cycloaddition reaction of the nitroso compounds (I) or (IV) with tert‐butyl ketene, generated in situ from the acid chloride (II), yields the corresponding oxazetidinones (III).
ChemInform Abstract: Efficient Syntheses for Optically Pure Stereogenically Labile 4‐Substituted 2‐Hydroxytetronic Acids.
Authors: WITIAK D. T. , TEHIM A. K.
Published: May 2016

The asymmetric α‐hydroxy esters (I) are coupled with benzyloxyacetyl chloride (II) to produce the diesters (III).
ChemInform Abstract: Rearrangement of 1‐Amino‐ and 1‐Alkylaminopyrazoles to 5‐Aminopyrazoles.
Authors: SANZ D. , CLARAMUNT R. M. , ELGUERO J. , SALAZAR L. , ESPADA M.
Published: May 2016

The attempt to form the important biological compound (Ic) from (Ia) with bromoadamantane is not successful.
ChemInform Abstract: Synthesis of Some Biologically Active Derivatives of 2‐Hydroxymethyl‐5‐hydroxy‐4H‐pyran‐4‐one.
Authors: VEVERKA M. , KRAL'OVICOVA E.
Published: May 2016

Depending on the reaction conditions, acylation of the phenolic and primary alcoholic group in the title compound (Ia) leads to mono‐ or disubstituted products such as (Ib) or (Ic).
ChemInform Abstract: Intramolecular Alkylation of Aromatic Compounds. Part 28. Synthesis and Pharmacological Test of Homologized and Hydroxylated 3,4‐Dihydro‐1′‐methylspiro(naphthalene‐1(2H),4′‐piperidines).
Authors: REIMANN E. , SPECKBACHER J. , SCHUENEMANN J. +
Published: May 2016

Reduction of the 4‐(phenylalkyl)pyridinium methoiodides (I) with NaBH4 produces the tetrahydropyridines (II) which are converted to the title compounds via cyclization upon treatment with either hydrobromic acid or phosphoric acid.
ChemInform Abstract: Studies on as‐Triazine Derivatives. Part 13. A Facile Synthesis of Fusaric Acid from Thienyl‐as‐triazine Derivative.
Authors: SAGI M. , AMANO M. , KONNO S. , YAMANAKA H.
Published: May 2016

Cyclocondensation of the 2‐thienylglyoxal aldoxime (III), obtained from 2‐acetylthiophene (I) and propyl nitrite (II), with ethoxycarbonylformamidrazone (IV) leads to the formation of the thienyltriazinecarboxylate (V).
ChemInform Abstract: The Skraup Reaction of 3,4‐Dihaloanilines.
Authors: BLATCHLY R. A. , GREELEY M. A. , MARKGRAF J. H.
Published: May 2016

Sulfo‐mix variation of the Skraup reaction of the 3,4‐dihaloanilines (I) with glycerol (II) leads to the formation of mixtures of the 5,6‐(III) and 6,7‐dihaloquinolines (IV).
ChemInform Abstract: Pyrazole‐Organoboranes. Part 4. B2N4Se‐Bicyclo(2.2.1)heptanes and B2N4Se2‐Bicyclo(2.2.2)octanes.
Authors: YALPANI M. , BOESE R. , KOESTER R. +
Published: May 2016

The triselenadiborolanes (I) react with pyrazole and monosubstituted pyrazoles to yield the diselena compounds (III), whereas disubstituted pyrazoles form the monoselena derivatives (VI).
ChemInform Abstract: Preparation and Reactions of Some (Trimethylsilyl)cyclopropenes. Synthesis of In‐Out Tricyclic (n.3.2.02,4) Compounds, Potential Precursors to Cyclopropaparacyclophanes.
Authors: GARRATT P. J. , TSOTINIS A.
Published: May 2016

The silylated cyclopropenes (III), (VII), and (IX) are prepared from bis(trimethylsilyl)acetylene (I) by addition of the corresponding carbenes.
ChemInform Abstract: Synthesis, Configuration, and Chemical Shift Correlations of Chiral 1,3,2‐Oxazaphospholidin‐2‐ones Derived from l‐Serine.
Authors: THOMPSON C. M. , FRICK J. A. , GREEN D. L. C.
Published: May 2016

N‐Benzylserine methyl ester (S)‐(III) undergoes ring closure reaction with phosphorus oxychloride (IV), yielding the diastereomeric chlorooxazaphospholidinones (V) and (VI).
ChemInform Abstract: The First Evidence for Reductive Coupling of Transition‐Metal Substituted Halogermanes.
Authors: BARSUASKAS G. , LEI D. , HAMPDEN‐SMITH M. J. , DUESLER E. N.
Published: May 2016

The formation of the Ge‐Ge bond in (II) is confirmed by a single‐crystal X‐ray diffraction study (space group P21/n, Z=4).
ChemInform Abstract: The First Synthesis of Azagermacyclopentenes: Cycloadditions of 1‐Aza‐and 1,4‐Diazabutadienes with Free Singlet Dimethylgermylene.
Authors: BOOTZ K. , NEUMANN W. P.
Published: May 2016

The aza‐ (I) and diazadienes (IV) react with dimethylgermylene (II) to form the cycloadducts (III) or (V).
ChemInform Abstract: 1‐Hydroxyazulene and 3‐Hydroxyguaiazulene: Synthesis and Their Properties.
Authors: ASAO T. , ITO S. , MORITA N.
Published: May 2016

The benzoyloxyazulene (I) is reduced to generate the 1‐hydroxy derivative (II) as an intermediate which is trapped by acetylation, yielding the acetate (IV).
ChemInform Abstract: A Novel Stereoselective Synthesis of N‐Acetyl‐α‐neuraminosylgalactose Disaccharide Derivatives, Using Anomeric S‐Glycosyl Xanthates.
Authors: MARRA A. , SINAY P.
Published: May 2016

Glycosylation of the galactopyranoside (II) with the S‐glycosyl xanthate (II) of N‐acetyl‐α‐neuraminic acid in the presence of dimethyl(methylthio)sulfonium triflate gives stereoselectively the corresponding α‐disaccharide (III) as the main product, together with the β‐anomer (IV).
ChemInform Abstract: (R)‐(‐)‐1,1‐Diphenyl‐3‐piperidinobutan‐1‐ol, an Anticholinergic Agent. The Crystal Structure of (R)‐(‐)‐1,1‐Diphenyl‐3‐piperidiniobutan‐1‐ol (R,R)‐Tartrate.
Authors: SCHJELDERUP L. , GROTH P. A. , AASEN A. J.
Published: May 2016

As part of a project on structure‐activity relationships of muscarinic antagonists the title anticholinergic agent (R)‐(‐)‐(IV) is prepared by optical resolution of (±)‐(IV) with (R,R)‐tartaric acid.
ChemInform Abstract: Purification of Indium from Thallium Inclusions by the Process of Remelting Under Artificial Slags.
Authors: ROWINSKA L. , WALIS L.
Published: May 2016

The described purification method is based on the fact that the In‐halogen affinity is lower than that of the Tl‐halogen system.
ChemInform Abstract: A High Pressure Phase of Strontium Orthogermanate.
Authors: HEINDL R. , TARY G. , BLANZAT B.
Published: May 2016

It is demonstrated that orthorhombic α'‐Sr2GeO4 can be completely transformed to the monoclinic β‐phase by exposure to pressures > 5 kbar at room temp., whereas the transformation predicted to occur at ‐45 °C (based on DTA results) is largely incomplete.
ChemInform Abstract: Ca1‐xCuO2, a NaCuO2‐Type Related Structure.
Authors: SIEGRIST T. , ROTH R. S. , RAWN C. J. , RITTER J. J.
Published: May 2016

The structure of the title phase, a low‐temp.
ChemInform Abstract: Hydrogen Plasma Treated Calcium Fluoride.
Authors: VERNEKER V. R. P. , NAGLE M. , NAGLE D. , VANDAMME N.
Published: May 2016

It is demonstrated that treatment of CaF2 with a hydrogen plasma results in the formation of color centers in the region 200‐800 nm (absorption at 375, 515, and 560 nm corresponding to F, M, and colloidal Ca centers, resp.).
ChemInform Abstract: Preparation of Ba2YCu3O7‐δ Thin Films with Preferred Orientation Through an Organometallic Route.
Authors: HIRANO S. , HAYASHI T. , MIURA M.
Published: May 2016

Single‐phase YBa2Cu3O7‐δ thin films are prepared on SrTiO3 (100) and MgO (100) substrates at 800‐900 °C by a dip coating method using a methoxyethanol solution containing Ba metal, Y(acac)3, and Cu(OC2H4OEt)2.
ChemInform Abstract: Formation of High‐Tc Superconducting Bi‐Pb‐Sr‐Ca‐Cu Oxide Films by Spray Pyrolysis of an Oxalate Suspension.
Authors: CHEN F.‐H. , TSENG T.‐Y.
Published: May 2016

As starting material for the preparation of the title oxide, an oxalate precursor with a cationic ratio of Bi:Pb:Sr:Ca:Cu = 0.8:0.2:1:1:2 is synthesized by a sol‐gel method using the corresponding nitrates.
ChemInform Abstract: Low‐Firing, Temperature‐Stable Dielectric Compositions Based on Bismuth Nickel Zinc Niobates.
Authors: YAN M. F. , LING H. C. , RHODES W. W.
Published: May 2016

It is demonstrated that compounds with a bismuth‐layered structure such as Bi2(ZnNb2)O9 and Bi3(Ni2Nb)O9 can be used to prepare low‐sintering dielectric materials with small temp. coefficients.
ChemInform Abstract: Pd‐Catalyzed Deuterium Exchange of Octa(silsesquioxane) H8Si8O12 to D8Si8O12.
Authors: BUERGY H. + , CALZAFERRI G.
Published: May 2016

It is demonstrated that the fully deuterated octa(silsesquioxane) can be prepared by bubbling a D2‐stream through a pentane solution containing H8Si8O12 and the Pd/C catalyst.
ChemInform Abstract: Semiempirical Study of Intramolecular Hydrogen Bond in 6‐Hydroxy‐2‐formylfulvene and 9‐Hydroxyphenalenone
Authors: ECKERT‐MAKSIC M. , MAKSIC Z. B. , MARGETIC D.
Published: May 2016

(higher stability of the asym.
ChemInform Abstract: Antiaromatic Compounds. Part 26. A Cyclobutadienecarboxylate as a Hetero‐1,3‐diene in Diels‐Alder Reactions with 2H‐Azirines.
Authors: REGITZ M. , MICHELS G.
Published: May 2016

Reaction of the cyclobutadiene carboxylic ester (I) with the 2H‐azirines (II) gives the oxaazatricyclic (4 + 2) adducts (III) and not the expected (2 + 2) adducts.
ChemInform Abstract: Stereoselectivity in the Homo Diels‐Alder Reaction.
Authors: LAUTENS M. , EDWARDS L. G.
Published: May 2016

The Ni complex induced Diels‐Alder reaction of norbornadiene (I) with methyl vinyl ketone (II) is performed under various conditions to produce mixtures of the tetracyclic cycloadducts (III) and (IV) with different isomeric ratios depending on the catalyst system and the reaction temperature employed.
ChemInform Abstract: The IR Photochemistry of Organic Compounds. Part 4. The IR Multiple‐Photon Decomposition of Cyclic Ethers Induced by a TEA CO2 Laser.
Authors: MAJIMA T. , ISHII T. , ARAI S.
Published: May 2016

With the aim to find a suitable cyclic ether for photochemical 18O enrichment, the cyclic ethers (I)‐(IV) are studied on the basis of product analysis.
ChemInform Abstract: Tetraphenylphosphonium Bromide Catalyzed Fluorodenitrations and Fluorodesulfonylations. Efficient Syntheses of m‐Fluoro Aromatic Compounds.
Authors: YAZAWA N. , SUZUKI H. , YOSHIDA Y. , FURUSAWA O. , KIMURA Y.
Published: May 2016

Activated nitro groups in aromatic systems are substituted with potassium fluoride in the presence of phthaloyl chloride and tetraphenylphosphonium bromide to give the corresponding fluorides, e.g. (II) or (IV).
ChemInform Abstract: Novel ortho‐Alkoxy‐Substituted Phosphorus Ylides and Their Stereoselectivity in Wittig Reactions.
Authors: JEGANATHAN S. , TSUKAMOTO M. , SCHLOSSER M.
Published: May 2016

The olefination reaction of various phosphoranes, e.g. (I), with aldehydes such as (II) or (X) gives predominantly cis‐configurated alkenes, e.g. (III) or (XI).
ChemInform Abstract: Facile Synthesis of N‐Substituted Keto Amide Through Transamidation. Discriminated Reactivity of the Acid Group Towards the Keto Group.
Authors: VECCHER C. , BERTHELOT P. , FLOUQUET N. , DEBAERT M.
Published: May 2016

The keto acid (I) is consecutively treated with isobutyl chloroformate and ammonia (II) to produce exclusively the amide (III).
ChemInform Abstract: Ring Opening Reactions of an Oxabicyclic Compound with Cuprates.
Authors: LAUTENS M. , DI FELICE C. , HUBOUX A.
Published: May 2016

The oxabicyclooctenone (I) reacts with the organolithium cuprates generated from (II) and cuprous cyanide to form the oxabicyclooctenols (III) and the hydroxycycloheptenones (IV) and (V), in general with predominance of (IV).
ChemInform Abstract: A Convenient Synthesis of 1,7‐Dibromo‐ and 1,7‐Dichloropentacyclo‐(5.4.0.02,6.03,10.05,9)undecane‐8,11‐diones.
Authors: MARCHAND A. P. , ANNAPURNA P.
Published: May 2016

Halogenation of the tricyclic dienedione (I) with chlorine or bromine in the presence of dimethyl sulfide yields the symmetrical dihalides (II).
ChemInform Abstract: A New Method for the Preparation of Nitriles from Aldoximes.
Authors: THOMAS H. G. , GREYN H. D.
Published: May 2016

Alkyl cyanoformates, e.g. (II), are employed as reagents for the dehydration of aldoximes such as (I), forming nitriles such as (III).
ChemInform Abstract: Synthesis of 2‐Hydroxy‐1‐naphthoic Acid Derivatives by Oxidative Cyclization of Esters of 5‐Aryl‐3‐oxopentanoic Acid by Mn(III) and Ce(IV) Salts.
Authors: CITTERIO A. , PESCE L. , SEBASTIANO R. , SANTI R.
Published: May 2016

The title conversion of the β‐oxocarboxylic acid derivatives (I) to the acylnaphthalenes (II) is performed using ceric ammonium nitrate or manganese triacetate as the oxidizing agent.
ChemInform Abstract: Benz(f)indene.
Authors: CARPINO L. A. , LIN Y.‐Z.
Published: May 2016

2‐Methylnaphthalene (I) is consecutively brominated at the 1‐position and the methyl group to give the dibromide (III) which is coupled with the malonate (IV) to give the naphthylpropionic acid (VI) after hydrolysis and decarboxylation.
ChemInform Abstract: The Synthesis of Oxiranes and Oxetanes from 1,2‐ or 1,3‐Halohydrins Using Organoantimony(V) Alkoxide.
Authors: FUJIWARA M. , HITOMI K. , BABA A. , MATSUDA H.
Published: May 2016

The title reaction is achieved under neutral conditions using tetraphenylstibonium methoxides as the dehydrohalogenating reagent.
ChemInform Abstract: Preparation and Diels‐Alder Reactivity of Benzothieno(2,3‐c)‐ and Benzothieno(3,2‐c)‐pyran‐3‐ones, Benzothiophene‐2,3‐quinodimethane Analogues: Synthesis of Dibenzothiophenes.
Authors: JACKSON P. M. , MOODY C. J.
Published: May 2016

Benzothieno(2,3‐c)pyranones such as (II) can be produced by two methods, either starting from (I) or the corresponding acid (IV).
ChemInform Abstract: Reactions of Epoxides Derived from 2′‐(3′′‐Methylbut‐2′′‐enyl)trifluoroacetanilides.
Authors: RANER K. D. , SKELTON B. W. , WARD A. D. , WHITE A. H.
Published: May 2016

The intramolecular ring opening of epoxides such as (II) is investigated under acidic and basic conditions.
ChemInform Abstract: The Reduction of N‐(Phenylsulfonyl)indoles with Sodium Cyanoborohydride in Trifluoroacetic Acid.
Authors: KETCHA D. M. , LIEURANCE B. A.
Published: May 2016

The reaction mentioned in the title converts the N‐phenylsulfonylindols (I) to the corresponding indolines (II).
ChemInform Abstract: Unsymmetrically Substituted Furoxans. Part 12. Phenylfuroxancarboxylic Acids and Their Derivatives.
Authors: FRUTTERO R. , FERRAROTTI B. , SERAFINO A. , GASCO A.
Published: May 2016

Thermal decomposition of the title acid (II) followed by 1,3‐dipolar cycloaddition with the alkyne (III) leads to the isoxazole (IV).
ChemInform Abstract: New Syntheses of Trifluoromethyl‐Substituted Heterocycles.
Authors: RABE G. , SUNDERMEYER J. , ROESKY H. W. , SCHMIDT H.‐G. , NOLTEMEYER M.
Published: May 2016

The reactivity of dimeric hexafluorothioacetone (II) towards some urea derivatives and hydrazides is studied, and the structure of the products is ascertained by means of X‐ray crystallography ((IIIb): space group P21/n with Z=4; (VI): P1, Z = 6; (VIII): P21/c, Z=4).
ChemInform Abstract: Syntheses with Nitriles. Part 85. 4‐Dicyanomethylene‐ and 4‐Tricyanopropylidene‐homophthalic Imides.
Authors: DWORCZAK R. , STERK H. , JUNEK H.
Published: May 2016

Addition of tetracyanoethylene to the derivatives (I) and (IV) is investigated.
ChemInform Abstract: New Synthesis of the 1‐Pyrazoline Ring.
Authors: PROSTAKOV N. S. , WARLAMOV A. W. , ANNAN KH. , FOMICHEV A. A. , ALIEV A. E.
Published: May 2016

The diazoazafluorene (I) reacts with the pyridinium methylides, generated in situ from the phenacylpyridinium bromides (II), to give the spiro compounds (III) and (IV).
ChemInform Abstract: Novel Formations of Unsymmetrical 1,2,5‐Benzotrithiepins from Olefins and Benzopentathiepin in the Presence of Lewis Acid. Benzopentathiepin as a Novel 1,5‐Dipole Synthon.
Authors: SATO R. , ONODERA A. , GOTO T. , SAITO M.
Published: May 2016

Benzopentathiepin (I) is cleaved in the presence of boron trifluoride etherate to generate the dipole (II) which reacts with the cycloalkenes (III) or the E‐configurated alkenes (VII), forming the 1,2,5‐benzotrithiepines (IV) or (VIII).
ChemInform Abstract: Borane Chemistry. Part 2. Kinetics and Mechanism of Reaction of Chlorodipentylborane with Some Aldehydes.
Authors: BOLTON R. , GATES P. N. , JONES S. A. W.
Published: May 2016

Chlorodipentylborane (II) causes extensive polymerization of aliphatic aldehydes, even in low concentration and at 273 K; nine aldehydes are examined and the resulting boron species are tentatively identified by 11B NMR together with pentene (1H NMR).
ChemInform Abstract: Azo Bridges from Azines. Part 11. Azo‐Boranes ‐ A New Class of Compounds.
Authors: HUENIG S. + , KRAFT P.
Published: May 2016

The novel title compounds (III), (V) and (VIII) are obtained as stable, colorless solids on treatment of rigid azo systems with borane.
ChemInform Abstract: Synthesis of R2R′2C4B8H8 Tetracarbon Carboranes from (η6‐Cyclooctatriene)iron(dicarbahexaborane) Complexes via Mixed‐Ligand Thermal Fusion.
Authors: FONDA K. K. , GRIMES R. N.
Published: May 2016

The mixed‐substituted title carboranes, accompanied in each case by their homo‐substituted carboranes R1 4C4B8H8, are obtained by reaction of the cyclooctatriene‐iron‐carborane complexes (I) with the nido‐carborane anions (II).
ChemInform Abstract: Studies on the Synthesis of Phosphorus Heterocycles. Part 2. Preparation of Some New Tetrahydro(1,4,3)thiazaphosphorino(3,4‐b)(1,3,2)benzodiazaphosphorine 12‐Oxides.
Authors: CHEN R. , BAO R.
Published: May 2016

The 3‐(2‐chloroethyl)‐1,3,2‐benzodiazaphosphorines (I) are coupled with benzyl isothiocyanate (II) and bases to give tautomeric mixtures of the title compounds (III) and (IV).
ChemInform Abstract: cis‐ and trans‐Dichloro Derivatives of Six‐ and Seven‐Coordinate Zirconium and Hafnium Bonded to Quadridentate Schiff‐Base Ligands. Crystal Structures of (Zr(acen)Cl2(thf)), (M(salphen)Cl2(thf))·0.5thf, (M(acen)Cl2), (M: Zr or Hf), and (Zr(msal)Cl2) (acen: N,N′‐ethylenebis(acetylacetoneiminate), salphen: N,N′‐o‐phenylenebis(salicylideneiminate), msal: N‐methylsalicylideneiminate, and thf: tetrahydrofuran).
Authors: CORAZZA F. , SOLARI E. , FLORIANI C. , CHIESI‐VILLA A. , GUASTINI C.
Published: May 2016

The seven‐coordinate complexes (IV) with a pseudo‐pentagonal bipyramidal geometry are obtained from the sodium salts (I) of the quadridentate Schiff bases ((IVa) (M: Zr) and (IVc): space group P1, Z=2).
ChemInform Abstract: Cobalt(III) Complexes of Neutral Selenium and Tellurium Donor Ligands: Synthesis and NMR Studies.
Authors: BROWN J. L. , KEMMITT T. , LEVASON W.
Published: May 2016

The first examples of diseleno‐ and ditelluro‐ether complexes of Co(III), i.e., the compounds (III), are prepared as demonstrated for the example (IIIa).
ChemInform Abstract: Convenient Synthesis of ((n‐Bu)4N)3(RuIII(CN)6): First Access to a Pure Salt of the Hexacyanoruthenate(III) Anion and to a Coordination Polymer Thereof.
Authors: ELLER S. , FISCHER R. D.
Published: May 2016

The formation and isolation of hexacyanorhutenate(III) by air oxidation is successful when the solvent is DMF and the countercation is (NBu4)+.
ChemInform Abstract: Synthesis, Reactivity, and X‐Ray Crystal Structure of Cyclic (Rh(C6H4N(O)O‐2)(η‐C5Me5)Cl).
Authors: VICENTE J. , ABAD J. A. , LAHOZ F. J. , PLOU F. J.
Published: May 2016

The title complex (III) is prepared by the transmetalation reaction shown and characterized by an X‐ray structure analysis (space group Pbca, Z = 8).
ChemInform Abstract: Trinuclear Angular Aggregates of Rhodium: Synthesis and Crystal Structures of (Rh3(μ3‐SC5H4N)2(CO)6)(ClO4) (SC5H4N: pyridine‐2‐thiolate) and (Rh3(μ3‐C7H4NS2)2(CO)2(PPh3)2(tfbb))(ClO4) (C7H4NS2: benzothiazole‐2‐thiolate, tfbb: tetrafluorobenzobarrelene).
Authors: CIRIANO M. A. , PEREZ‐TORRENTE J. J. , VIGURI F. , LAHOZ F. J. , ORO L. A. , TIRIPICCHIO A. , TIRIPICCHIO‐CAMELLINI M.
Published: May 2016

The binuclear complexes (I) react with the appropriate cis‐species (II) generated in acetone solution to give the trinuclear products (IIIa), (IIIc), and (IIId).
ChemInform Abstract: Tris(pentafluorophenyl) Neutral and Anionic Five‐Coordinate Complexes of Rhodium(III). Crystal Structures of (Rh(C6F5)3(PEt3)2) and (Rh(C6F5)3(AsPh3)2).
Authors: GARCIA M. P. , JIMENEZ M. V. , LAHOZ F. J. , ORO L. A. , TIRIPICCHIO A. , LOPEZ J. A.
Published: May 2016

The anionic and neutral five‐coordinate Rh(III) complexes (V), (VII) (yield 72‐97%), and (VIII) (44‐88%) are synthesized from the binuclear chloride‐bridged complex (III) as demonstrated for examples.
ChemInform Abstract: Synthesis and Solid State Structure of Some 2,6‐Diphenylphenoxide Derivatives of Rhodium(I) and Iridium(I).
Authors: CHEBI D. E. , FANWICK P. E. , ROTHWELL I. P.
Published: May 2016

Whereas the reaction of the dimer (I) with the lithium aryloxide (II) gives the bridged dimer (III), the interaction of (IV) leads to a mixture of products, from which (V) is obtained in very minor yield.
ChemInform Abstract: Reactions of Isocyanide Complexes of Palladium(II) and Platinum(II) with Azetidine: Synthesis of Acyclic Diaminocarbene Derivatives and X‐Ray Structure of Cyclic (PdCl(PMe2Ph)(CH2CH2CH2NH)(C(NCH2CH2CH2)NHC6H4OMe‐p))Cl·CH2Cl2.
Authors: BERTANI R. , MOZZON M. , BENETOLLO F. , BOMBIERI G. , MICHELIN R. A.
Published: May 2016

The acyclic amino(azetidino)carbene‐Pd and ‐Pt complexes (III), (V), (VIII), and (X) ((X) (M=Pd): space group P21/n, Z=4) are obtained from reactions of azetidine (II) with corresponding isocyanide complexes according to the scheme.
ChemInform Abstract: Conformationally Constrained Amino Acids. Synthesis and Optical Resolution of 3‐Substituted Proline Derivatives.
Authors: CHUNG J. Y. L. , WASICAK J. T. , ARNOLD W. A. , MAY C. S. , NADZAN A. M. , HOLLADAY M. W.
Published: May 2016

The known hydroxypyrrolidinedicarboxylates (I) are reduced and then subjected to unselective monohydrolysis and decarboxylation to produce the cis‐ and trans‐configurated proline esters (V) and (VI).
ChemInform Abstract: A New Synthesis of O‐Benzyl‐L‐threonine.
Authors: CHEN S.‐T. , WU S.‐H. , WANG K.‐T.
Published: May 2016

By treatment with ethyl acetoacetate (I) in methanolic potassium hydroxide (III), L‐threonine (2S,3R)‐(II) is N‐protected, forming the enamine (IV).
ChemInform Abstract: Studies on Glycosides. Part 6. Facile Synthesis of Alkyl α‐ and β‐D‐Glucopyranosides.
Authors: QIU D.‐X. , WANG Y.‐F. , CAI M.‐S.
Published: May 2016

The silyl glucopyranoside (I) is treated with various alcohols, e.g. (II), in the presence of boron trifluoride etherate to form the corresponding alkyl (or benzyl) glucosides such as (III).
ChemInform Abstract: Stereocontrolled Synthesis of Necine Bases, (+)‐Heliotridine and (+)‐Retronecine.
Authors: KAMETANI T. , YUKAWA H. , HONDA T.
Published: May 2016

The mechanism of the total synthesis of the title pyrrolizidine alkaloid, (+)‐heliotridine (X), from starting material (S)‐malic acid is discussed.
ChemInform Abstract: Natural Product Chemistry. Part 132. Synthesis and Oxidative Cyclization of 1,3‐Dihydroxy‐10‐methyl‐4‐(3‐methylbut‐2‐enyl)‐9(10H)‐acridinone (Glycocitrine‐II).
Authors: GRUNDON M. F. , PROBST W. , REISCH J.
Published: May 2016

The reaction of acridinone (I) and 1‐bromo‐3‐methylbut‐2‐ene (II) (molar ratio = 1:1) gives the desired glycocitrine‐II (III) and the derivatives (IV) and (V), whereas with an excess of (II) the pyranoacridinones (VI) and (VII) are formed.
ChemInform Abstract: Support Studies for Formulating the Nine Contiguous Chiral Centers of Streptovaricin A Ansa Chain.
Authors: MOOTOO D. R. , FRASER‐REID B.
Published: May 2016

The introduction of an axial residue at C‐6 via selective cleavage of the acetal ring of compound (XIV), which can be produced from (I), and hydroboration of (XVI) yielding (XVII) and (XVIII) is described.
ChemInform Abstract: Studies Related to the Synthesis of Pederin. Part 2. Synthesis of Pederol Dibenzoate and Benzoylpedamide.
Authors: WILLSON T. M. , KOCIENSKI P. , JAROWICKI K. , ISAAC K. , HITCHCOCK P. M. , FALLER A. , CAMPBELL S. F.
Published: May 2016

The ring B fragments pederol dibenzoate (IVa) and benzoylpedamide (XIII) of pederin (XVIII) are synthesized.
ChemInform Abstract: Structure of Dilead(II) Hydrogenarsenate(III) Dichloride.
Authors: EFFENBERGER H. , MILETICH R. , PERTLIK F.
Published: May 2016

Pb2(AsO2OH)Cl2 (I) is synthesized by hydrothermal treatment of a 2:1 mixture of native lead and As2O3 in a teflon‐lined steel vessel filled with 1 M HCl at 393 K (3 d) and its structure is investigated by single‐crystal XRD.
ChemInform Abstract: Structure of Sodium Calcium Germanate Na2CaGe2O6.
Authors: NISHI F. , TAKEUCHI Y.
Published: May 2016

The crystal structure of the title germanate is investigated in comparison with that of the silicate analogue Na2CaSi2O6.
ChemInform Abstract: Characterization of Manganese(III) Orthophosphate Hydrate.
Authors: ARANDA M. A. G. , BRUQUE S.
Published: May 2016

TGA/DTA and IR‐spectroscopic results indicate that the water molecule in MnPO4·1.3 H2O is dissociated and the proton is transferred to the phosphate group to form Mn(OH)(HPO4)·0.3 H2O, in which the residual 0.3 H2O is strongly retained in the structure (the first DTA peak at ∼300 °C corresponds to the loss of 0.3 H2O).
ChemInform Abstract: Application of Time‐Resolved 51V 2D NMR for Quantitation of Kinetic Exchange Pathways Between Vanadate Monomer, Dimer, Tetramer, and Pentamer.
Authors: CRANS D. C. , RITHNER C. D. , THEISEN L. A.
Published: May 2016

The complex intermolecular chemical exchange rates between the four vanadate species of the title are determined quantitatively by a two‐dimensional 51V homonuclear NMR exchange experiment (2D‐EXSY).
ChemInform Abstract: Corrosion in Molten Na2CO3‐K2CO3 at 800 °C. Part 2. The Influence of Water Vapor on Iron Corrosion
Authors: AZZI M. , RAMEAU J. J.
Published: May 2016

is studied by potentiometric and impedance measurements.
ChemInform Abstract: The Effect of CeO2 Coatings on the Oxidation Behavior of Fe‐20Cr Alloys in O2 at 1173 K
Authors: PAPAIACOVOU P. , HUSSEY R. J. , MITCHELL D. F. , GRAHAM M. J.
Published: May 2016

is studied by SIMS, TEM, and SEM/EDX.
ChemInform Abstract: Formation and Reactivity of Zr3+ Centers at the Surface of Vacuum‐Activated Monoclinic Zirconia.
Authors: MORTERRA C. , GIAMELLO E. , ORIO L. , VOLANTE M.
Published: May 2016

The results of EPR spectroscopy and FTIR spectroscopy of adsorbed CO show that non‐UHV vacuum or O2 treatments in the range 650‐1100 K result in the formation of coordinatively unsaturated Zr3+ centers at the surface of monoclinic ZrO2.
ChemInform Abstract: Approach to Chiral Vicinal Diacylamines by Bamberger Ring Cleavage of Substituted Imidazoles.
Authors: ALTMAN J. , GRINBERG M. , WILCHEK M.
Published: May 2016

Ring cleavage of the imidazolylpropanoate (I) with (‐)‐menthyl chloroformate (II) affords a mixture of the two N‐formyl compounds (III) and (IV), which undergo deformylation and subsequent asymmetric hydrogenation to give the diaminopentanoate (V).
ChemInform Abstract: Enantioselective Saponification of Substituted, Achiral 3‐Acyloxy‐propionates with Lipases: Synthesis of Chiral Derivatives of “Tris(hydroxymethyl)methane”.
Authors: EHRLER J. , SEEBACH D.
Published: May 2016

The triester (V) is synthesized from the pentaerythritol derivative (I).
ChemInform Abstract: The Intramolecular Buchner Reaction of Aryl Diazoketones. Substituent Effects and Scope in Synthesis.
Authors: KENNEDY M. , MCKERVEY M. A. , MAGUIRE A. R. , TULADHAR S. M. , TWOHIG M. F.
Published: May 2016

Analogously to (I) o‐, m‐ or aromatic polysubstituted diazoketones are cyclized and the influence of the substituents on the regioselectivity is investigated.
ChemInform Abstract: Generation of Alkyl Carbanions in the Gas Phase.
Authors: GRAUL S. T. , SQUIRES R. R.
Published: May 2016

The scope and limitations of collision‐induced decarboxylation of carboxylate negative ions as a method for generating gas phase carbanions are described.
ChemInform Abstract: Synthesis of Perfluoroacrylic Acid from 3‐Hydrotetrafluoropropanol.
Authors: NGUYEN T. , WAKSELMAN C.
Published: May 2016

Perfluoroacrylic acid (V) and its methyl ester (VIII) are prepared via protection of the double bond in the trifluoropropenol (II) by bromination, followed by oxidation to give the dibromotrifluoropropanoic acid (IV).
ChemInform Abstract: Reactions of Cyclopropenes with Diazomethane in the Presence of Palladium Compounds.
Authors: LUKIN K. A. , ZEFIROV N. S.
Published: May 2016

The Pd‐catalyzed reaction between the cyclopropenes (I), (V), (X), (XIII) and diazomethane (II) is investigated.
ChemInform Abstract: Reaction of Diazoalkanes with Unsaturated Compounds. Part 8. Catalytic Cyclopropanation of Allyl Alcohol, Allylamine, and Their Derivatives with Diazomethane.
Authors: TOMILOV YU. V. , KOSTITSYN A. B. , DOKICHEV V. A. , DZHEMILEV U. M. , NEFEDOV O. M.
Published: May 2016

Pd(II)‐catalyzed cyclopropanation of allyl alcohol (Ia), its derivatives (Ib) ‐ (Id), and the allylamines (Ie) and (If) with diazomethane (II) produces the corresponding cyclopropylmethyl compounds (III).
ChemInform Abstract: Oxidation Reaction of Phenylhydrazine with Sodium Periodate. Part 5. The Reaction of Phenylhydrazine with Ketones and 1,3‐Dicarbonyl Compounds in the Presence of Sodium Periodate.
Authors: TSUBOI M. , KAKUTA T. , TANI K.
Published: May 2016

The reaction of ketones with phenylhydrazine (II) in the presence of sodium periodate leads to complex product mixtures.
ChemInform Abstract: Reduction of Aroyl Azides with Sodium Borohydride.
Authors: RAO H. S. P.
Published: May 2016

The benzoyl azides (I) are treated with sodium borohydride in methanol to produce mainly the benzylic alcohols (II), together with the benzamides (III).
ChemInform Abstract: An Unusual Transformation of Perfluorinated 1‐ and 3‐Phenylpropenes into Polyfluorochloroindans Under the Action of AlCl3.
Authors: PLATONOV V. E. , DVORNIKOVA K. V.
Published: May 2016

Treatment of perfluoroallylbenzene (I) with AlCl3 predominantly gives the polyfluorochloroindans (II) and (III).
ChemInform Abstract: Synthesis of Azomethines of the Pyran Series.
Authors: MURZA M. M. , PODLIPCHUK I. P. , SAFAROV M. G.
Published: May 2016

Starting from the well available 4‐methyldihydropyran (I) the title compounds (VI) are prepared.
ChemInform Abstract: A Novel Rearrangement of 2‐Arylmethylen‐3‐indolinones into 2‐Amino‐3‐aryl‐4‐quinolones and 2‐(α‐Aminoarylmethylen)‐3‐indolinones.
Authors: VELEZHEVA V. S. , DVORKIN V. V. , DMITREVSKAYA L. I. , KURKOVSKAYA L. N. , SUVOROV N. N.
Published: May 2016

Treatment of the 2‐arylidene‐3‐indolinones (I) with HN3, generated from NaN3 (II) and a mixture of H2SO4 and AcOH, affords easily separable mixtures of the quinolones (III) and the isomeric indolinones (IV).
ChemInform Abstract: Reaction of Polyfluoro Carbonyl Compounds with 8‐Hydroxyquinolines.
Authors: DYACHENKO V. I. , GALAKHOV M. V. , KOLOMIETS A. F. , FOKIN A. V.
Published: May 2016

The polyfluoro carbonyl compounds (I) are coupled with the 8‐hydroxyquinolines (II) to give the 7‐hydroxyalkyl‐8‐hydroxyquinoline (III) or, from (Ic) and (IIa), the 5‐hydroxyalkyl derivative (IV).
ChemInform Abstract: Cycloaddition Reactions of Heteroazadienes: (4 + 2)Cycloaddition of 1‐Thia‐3‐azabutadienes with Electron‐Poor Dienophiles.
Authors: BARLUENGA J. , TOMAS M. , BALLESTEROS A. , LOPEZ L. A.
Published: May 2016

The N‐trimethylsilyl aldimines (II) are coupled with phenyl isothiocyanate (I) to form the insertion products (III) equilibrating with (IV).
ChemInform Abstract: Synthetic Methods for Benzocrown Ethers.
Authors: LUIS S. V. , BURGUETE M. I. , SALVADOR R. V.
Published: May 2016

In connection with studies of the crown ether complexation of covalent mercury(II) species and the preparation of polymer‐bound crown ethers, different synthetic routes for improved benzo‐3n‐crown‐n ether preparation are evaluated.
ChemInform Abstract: Reaction of Hexamethyldisiloxane with 2‐Ethoxy‐1,3‐dioxolane.
Authors: ZHURKINA I. P. , NEDOGREI E. P. , MUSAVIROV R. S. , KONDRAT'EVA I. A. , RAKHMANKULOV D. L.
Published: May 2016

The reaction of hexamethyldisiloxane (II) with 2‐ethoxy‐1,3‐dioxolane to give the products (III) ‐ (VI) is studied in detail.
ChemInform Abstract: Unusual Reaction of 4,5‐Dimethyl‐1,3‐diselenol‐2‐selone and 4,5‐Methylenedithio‐1,3‐dithiol‐2‐one with Trimethyl Phosphite.
Authors: PETROV M. L. , RUBTSOVA I. K.
Published: May 2016

The reaction specified in the title affords the dithiolanylidenediselenol (III).