bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: X‐Ray Studies of Concentrated Aqueous Solutions.
Authors: LUDWIG K. F. JUN. , WARBURTON W. K. , FONTAINE A.
Published: May 2016

Concentrated solutions of ZnBr2, CuBr2, NiBr2, and RbBr have been studied by differential anomalous X‐ray scattering and extended X‐ray absorption fine structure.
ChemInform Abstract: Microelectrode Studies of the Li/Li+ Couple in SOCl2/LiAlCl4
Authors: HEDGES W. M. , PLETCHER D. , GOSDEN C.
Published: May 2016

show that the kinetics of the Li/Li+ couple at freshly deposited Li are fast, and both deposition and anodic dissolution of Li in the SOCl2/LiAlCl4 electrolyte occur with only small overpotentials.
ChemInform Abstract: Alteration in Dissociation Energetics for π‐Acceptor Adsorbates: N2O, NO, N2, and O2 on W(100)‐p(5·1)‐C.
Authors: BALDWIN E. K. , FRIEND C. M.
Published: May 2016

The results of temp.‐programmed desorption spectroscopy and isotope exchange experiments show that the WC surface of title increases the activation barrier for N‐N bond breaking in N2 and N2O, and N‐O bond cleavage in NO and N2O. The inhibition of N‐O bond breaking in NO allows formation of N2 and N2O via direct N‐N bond formation at low temp. via a nondissociative reaction path.
ChemInform Abstract: Synthesis of Tetraethylammonium Dithionite and Its Dissociation to the Sulfur Dioxide Radical Anion in Organic Solvents.
Authors: LOUGH S. M. , MCDONALD J. W.
Published: May 2016

(Et4N)2(S2O4) has been synthesized from Na2S2O4 and Et4NOH by using anion‐exchange chromatography.
ChemInform Abstract: Formation of Phosphonoacetate Carbanions by Lithiated Bases or by the Conjunction of a Lithium Salt and an Amine: Structural Study of Intermediate Species.
Authors: STRZALKO T. , SEYDEN‐PENNE J. , FROMENT F. , CORSET J. , SIMONNIN M.‐P.
Published: May 2016

The anionic species formed from methyl diethylphosphonoacetate by the action of Li bases in THF or MeCN are studied by IR, 13C and 31P NMR spectroscopy.
ChemInform Abstract: A Novel Nonplanar Amido‐N Ligand Type. Nonplanarity in the Amido‐N Ligand Induced by Steric Effects.
Authors: COLLINS T. J. , LAI T. , PEAKE G. T.
Published: May 2016

The Os(III) complex (III) with an uncoordinated hydroxybenzoyl arm of the ligand is obtained by the reaction of the Os(IV) complex (I) with phenanthroline (II).
ChemInform Abstract: Synthesis of Five‐Membered Heterocycles. Reactions of Functional Formamidines with Alkenes, Alkynes, and Heterocumulenes.
Authors: GRUETZMACHER H. + , ROESKY H. W.
Published: May 2016

The formamidines (I) react with alkenes (II), the alkyne (V), CO2 (VII), COS (X), or SO2 (XII) in the presence of base to give the products shown in the scheme.
ChemInform Abstract: A New Tri‐n‐butyltin Hydride Based Rearrangement of Bromomethyl β‐Keto Esters. A Synthetically Useful Ring Expansion to γ‐Keto Esters.
Authors: DOWD P. , CHOI S.‐C.
Published: May 2016

On treatment with Bu3SnH in refluxing benzene with a catalytic amount of AIBN, the bromomethylesters (II), obtained from the esters (I), undergo a regiospecific ring expansion to give the products (III).
ChemInform Abstract: Singlet‐Oxygen Photolysis of Dihalo Ketones. A Facile and Efficient Approach to Vicinal Triketones and Their Monohydrates.
Authors: MAHRAN M. R. , ABDOU W. M. , SIDKY M. M. , WAMHOFF H.
Published: May 2016

vic‐Tricarbonyl compounds (II) and their monohydrates (III) are prepared from the gem‐dihalo derivatives (I) or the vic‐dihalides (IV) by sensitized photooxidation and subsequent hydration.
ChemInform Abstract: Chemistry of Oxaziridines. Part 8. Asymmetric Oxidation of Nonfunctionalized Sulfides to Sulfoxides with High Enantioselectivity by 2‐Sulfamyloxaziridines. The Influence of the Oxaziridine C‐Aryl Group on the Asymmetric Induction.
Authors: DAVIS F. A. , MCCAULEY J. P. JUN. , CHATTOPADHYAY S. , HARAKAL M. E. , TOWSON J. C. , WATSON W. H. , TAVANAIEPOUR I.
Published: May 2016

Chiral sulfamyloxaziridines (II) and (III), prepared by biphasic oxidation of the readily accessible sulfamylimines (I), effect high asym.
ChemInform Abstract: Dramatic Solvent and Stereoelectronic Effects in a Biomimetic Oxidation: 9,10‐Dialkylanthracenes.
Authors: TOLBERT L. M. , KHANNA R. K.
Published: May 2016

The hitherto unexplained observation that alkylated aromatics such as 7,12‐dimethylbenz(a)anthracene undergo ring oxidation in the presence of rat‐liver microsomes containing cytochrome P450 to yield a dihydroepoxy diol while the water‐soluble fraction of the same tissue, i.e. rat‐liver cytosol, yields not ring oxygenation but methyl hydroxylation is elucidated in the present study; it is suggested that this dichotomy is the result of a solvent effect.
ChemInform Abstract: Ozonolysis of Alkenes and a Study of the Reactions of Polyfunctionalized Compounds. Part 31. Ozonolysis of Cyclic Alkenes in Ether‐Type Solvents: Dimethyl Ester of endo‐cis‐Bicyclo(2.2.1)hept‐5‐ene‐2,3‐dicarboxylic Acid.
Authors: ODINOKOV V. N. , KUKOVINETS O. S. , BOTSMAN L. P. , KHALILOV L. M. , TOLSTIKOV G. A. , KOSNIKOV A. YU. , LINDEMAN S. V. , STRUCHKOV YU. T.
Published: May 2016

Ozonolysis of the title compound (I) affords the dioxacyclopenta(2,3‐d)cyclohexane (II), which has the space group P21/n with Z=4, as is revealed by an X‐ray analysis.
ChemInform Abstract: Chemistry of Dioxiranes. Part 6. Electronic Effects in the Oxidation of Sulfides and Sulfoxides by Dimethyldioxirane.
Authors: MURRAY R. W. , JEYARAMAN R. , PILLAY M. K.
Published: May 2016

Dimethyldioxirane (II) transfers oxygen to the aryl methyl sulfides (I), yielding the sulfoxides (III) and acetone (IV).
ChemInform Abstract: Asymmetric Synthesis with Carbohydrates. Part 3. Asymmetric Reduction of Ketones by Using Hydridoaluminate Complexes of Symmetrical, Chiral, Branched‐Chain Alditol Derivatives.
Authors: BAGGETT N. , SIMMONDS R. J. , STRIBBLEHILL P.
Published: May 2016

The branched mannitol derivatives (II), obtained from the diepoxide (I), influence the asymmetric reduction of the prochiral ketones (III).
ChemInform Abstract: A Simple, One‐Pot Transformation of tert‐Alkyl Chlorides into tert‐Alkylamines.
Authors: KOZIARA A. , OSOWSKA‐PACEWICKA K. , ZAWADZKI S. , ZWIERZAK A.
Published: May 2016

The tertiary alkyl chlorides (I) are converted to the tert‐alkylamine hydrochlorides (IV) via the azides (III) in a one‐pot reaction.
ChemInform Abstract: Direct Photoamination of Arenes with Ammonia and Primary Amines in the Presence of Electron Acceptors.
Authors: YASUDA M. , YAMASHITA T. , SHIMA K. , PAC C.
Published: May 2016

Phenanthrene (I) and the amines (II) are irradiated in the presence of electron acceptors such as m‐dicyanobenzene (III) to produce the aminodihydrophenanthrenes (IV).
ChemInform Abstract: 13C2 Labeling: A Means to Measure 12C‐13C Isotopic Equilibria in 2‐Norbornyl Cation.
Authors: JARRET R. M. , SAUNDERS M.
Published: May 2016

(2,3‐13C2)Norborn‐2‐yl chloride (Ic) is prepared from (Ia) as shown (all yields of (I) in g).
ChemInform Abstract: Synthesis of Alkyl N‐Cyano‐N‐Substituted Thiolcarbamates.
Authors: SCHAFER T. , SUBA L. A. , RUMINSKI P. G. , D'AMICO J. J.
Published: May 2016

Potassium cyanimidodithiocarbonate (I) is alkylated with the alkyl halides (II) to form the dialkyl cyanimidodithiocarbonates (III), which are hydrolyzed by KOH to yield the S‐alkyl cyanimidothiocarbonates (IV).
ChemInform Abstract: Catalytic Asymmetric Hydrocyanation of Norbornene Using Chiral Biphosphinepalladium Complexes.
Authors: HODGSON M. , PARKER D.
Published: May 2016

Norbornene (I) reacts with HCN in the presence of the chiral Pd‐phosphine complexes (II) to give the corresponding nitrile (III).
ChemInform Abstract: Amidines. Part 24. Influence of Alkyl Substituents at the Amidino Carbon Atom on the Sensitivity to Substitution at the Imino Nitrogen Atom. pKa Values of N1N1‐Dimethylamidines.
Authors: OSZCZAPOWICZ J. , CISZKOWSKI K.
Published: May 2016

Three series of N1N1‐dimethylamidines (I), each containing the same set of substituents R1 at the imino N atom are synthesized by known procedures and their pKa values in 95.6% ethanol (azeotrope) measured.
ChemInform Abstract: Facile and Efficient Synthesis of Esters of N‐Substituted N‐Hydroxyoxamic Acids.
Authors: GEFFKEN D.
Published: May 2016

The title compounds (V) are prepared by coupling the Grignard reagent (IV) with the N‐hydroxyoxalic ester amide (IIIa).
ChemInform Abstract: Hydroxymethyl 4‐Hydroxyphenyl Sulfides: Synthesis and Selected Chemistry of Some Stable Hemimercaptals.
Authors: PASTOR S. D. , ODORISIO P. A. , RAVICHANDRAN R.
Published: May 2016

The hydroxyphenyl disulfides (I) are cleaved by Zn‐reduction to yield the monothiohydroquinones (II).
ChemInform Abstract: Convenient Methods for the Preparation of Vinylic and Allylic Sulfones from Alkenes, Haloalkanes, and Aldehydes. Stereochemistry of the Conversion of Vinylic Sulfones to the Corresponding Allylic Sulfones.
Authors: INOMATA K. , SASAOKA S. , KOBAYASHI T. , TANAKA Y. , IGARASHI S. , OHTANI T. , KINOSHITA H. , KOTAKE H.
Published: May 2016

By means of iodosulfonization or sulfonylmercuration, alkenes such as (I) are regiospecifically converted to vinylic sulfones (III) or (V); both products can subsequently be transformed to allylic sulfones (IV).
ChemInform Abstract: Synthesis of Diphenyl N‐Benzoyl‐ and N‐(Methanesulfonyl)carbonimidate.
Authors: BUSCHAUER A.
Published: May 2016

The N‐acylated imidocarbonates (IV) and (VI) are synthesized.
ChemInform Abstract: Transformation of the Hydroxy Group to a Carbonyl Group in the Reaction of α‐Hydroxyanthraquinone Sulfonic Acids with Ammonia. Synthesis of the First Representative of a 1,5‐Anthraquinone Derivative.
Authors: HAN I. H. , SHISHKINA E. YU. , VOROZHTSOV G. N.
Published: May 2016

The 1‐hydroxy‐9,10‐anthraquinone sulfonic acids (I) react with NH3 (II) at room temp. via transformation of the hydroxy group to give the 9‐amino derivatives (III).
ChemInform Abstract: Substitution Reactions of Phenanthrols. Part 12. Conversion of Phenanthrols to the Corresponding Chloro‐ and Bromophenanthrenes and Their Dipole Moment Measurements.
Authors: OTA E. , SHIMOZAWA J. T.
Published: May 2016

2‐Phenanthrol (I) is converted to 2‐chlorophenanthrene (IIIa) by heating in carbon tetrachloride with dichlorotriphenylphosphorane (IIa) which is obtained from triphenylphosphine and chlorine.
ChemInform Abstract: Construction of an Optically Active 7‐Oxabicyclo(4.3.0)non‐4‐en‐3‐one Skeleton from D‐Glucose, and Its Transformation to Some Pseudo‐Hexopyranoses.
Authors: TADANO K. , UENO Y. , FUKABORI C. , HOTTA Y. , SUAMI T.
Published: May 2016

The key step in the synthesis of the title compound (VI) from (I) is the intramolecular aldol cyclization of (V), proceeding in reasonable yield only under the conditions given in the scheme.
ChemInform Abstract: A Novel Resonance‐Stabilized Azaannulenoid Sulfonium Ylide.
Authors: SEITZ G. , THE H.‐S.
Published: May 2016

Reaction of the substituted cycloheptadienopyrrolone (IIIa) with Meerwein reagent (IV) gives the salt (V).
ChemInform Abstract: Regiospecific Synthesis of 4‐Acyl‐pyrazoles from 5‐Acyl‐pyrimidines.
Authors: BAJNATI A. , KOKEL B. , HUBERT‐HABART M.
Published: May 2016

The reaction of the pyrimidines (I) with the hydrazine (II) (used as hydrochloride or bicarbonate) yields the pyrazole (III) or the hydrazones (IV) as major products.
ChemInform Abstract: Utilization of Dimethyl 4‐Alkyl‐ or 4‐Arylalkyl‐1‐acetonyl‐7‐oxabicyclo(2.2.1)hept‐2‐ene‐2,3‐dicarboxylates in the Synthesis of Novel Heterocyclic Compounds.
Authors: CABARES J. , MAVOUNGOU‐GOMES L.
Published: May 2016

On treatment with Tos‐O‐Ac (II) or PPA the title esters (I) are transformed to the pyran derivatives (III) or (IV).
ChemInform Abstract: 2‐Benzopyrylium Salts. Part 32. Synthesis and Some Chemical and Spectral Properties of 1‐ and/or 3‐(3,5‐Di‐tert‐butyl‐4‐hydroxyphenyl)‐Substituted 2‐Benzopyrylium Salts.
Authors: SHCHERBAKOVA I. V. , KUZNETSOV E. V. , UKHIN L. YU. , GHEORGHIU M. D. , MEGHEA A. , HERDAN J. , BALABAN A. T.
Published: May 2016

The 2‐benzopyrylium salts (III) are prepared by cyclization of the ketones (I) with the acids (II).
ChemInform Abstract: Reaction of Dimethyl Acetylenedicarboxylate with 3,4‐Disubstituted Isoxazolin‐5‐ones. A New Synthesis of 1,3‐Oxazin‐6‐ones and 2,3‐Dihydro1,3‐oxazin‐6‐ones.
Authors: BECCALLI E. M. , MARCHESINI A. , GELMI M. L. , PILATI T.
Published: May 2016

The isoxazolinones (I) react with dimethyl acetylenedicarboxylate (II) to produce the bis(dihydrooxazinones) (III).
ChemInform Abstract: Synthesis of 1,2,3,3a,4,5,6,7‐Octahydro‐9‐hydroxypyrazino(1,2,3‐f,g)cyclohept(b)indole Derivatives.
Authors: KUCKLAENDER U. + , TOEBERICH H. + , KUNA K.
Published: May 2016

Condensation reaction of p‐benzoquinone (I) with the enamino ketone (II) yields the cyclohept(b)indolone (III).
ChemInform Abstract: Synthesis of Mono‐ and Difunctionalized Ditopic (24)N6O2 Macrocyclic Receptor Molecules.
Authors: HOSSEINI M. W. , LEHN J. M. , DUFF S. R. , GU K. , MERTES M. P.
Published: May 2016

Starting with the triamide (I), the synthesis of the macrocycles (VII) is performed as shown in the reaction scheme.
ChemInform Abstract: Complexation of Arylboronates with Nitrogen‐Containing Bases.
Authors: LAUER M. , WULFF G.
Published: May 2016

Complex formation between the cyclic arylboronates (I) and the N‐bases piperidine, quinuclidine, NEt3, and pyridine is studied using 1H and 13C NMR spectroscopy, calorimetry, and polarimetry.
ChemInform Abstract: New P‐Chiral Phosphates, Phosphorothioates, and Phosphoroselenothiates.
Authors: KRZYZANOWSKA B. , STEC W. J.
Published: May 2016

The P‐N bonds in the phosphoramidates (I), (IV), (VII), and (IX) are cleaved using sodium hydride in carbon disulfide.
ChemInform Abstract: Photo‐Induced Rearrangements of Allyl and Benzyl Phosphites. Potential Phosphoranyl 1,3‐Biradical Intermediates.
Authors: BENTRUDE W. G. , LEE S.‐G. , AKUTAGAWA K. , YE W. , CHARBONNEL Y. , OMELANCZUK J.
Published: May 2016

The photoisomerization of phosphites such as (I) and (III), yielding the phosphonates (II) or (IV), e.g. is enhanced by the presence of p‐xylene or benzophenone.
ChemInform Abstract: Novel One‐Pot Syntheses for Oligo‐Phosphonic and Phosphinic Acid Esters.
Authors: HAEGELE G. + , FISCHER U. , GAEDCKE A. , RIDDER H. , SINKIEWICZ A. , WILKE E. , SEEGA J.
Published: May 2016

The sodium phosphites (Ia) and phosphinates (Ib) react with the chloroalkenes (II), (IV), (VI), (VII), and (IX) or the chloroacetylenes (X) to produce the oligophosphinates and phosphonates (III), (V), and (VIII).
ChemInform Abstract: 1‐Aminoalkyl(chloromethyl)phosphinic Acids and Their N‐Tosyl Derivatives.
Authors: WOJTOWICZ H. , MASTALERZ P.
Published: May 2016

The title compounds (IV) are obtained by amidoalkylation of dichlorochloromethylphosphine (I) with benzyl carbamate (II) and the aldehydes (III).
ChemInform Abstract: New Investigation on the Reaction of PhP(S)(NCS)2 and C6H11P(S)(NCS)2 with Amines.
Authors: CHEN R.‐Y. , HU S.‐X.
Published: May 2016

The cyclic compounds (III) are formed by reaction of bisisothiocyanates such as (I) with equimolar amounts of the anilines (II).
ChemInform Abstract: Synthesis and Stereochemical Studies of 1‐Phosphabicyclo(4.4.0)decane and 4‐tert‐Butylphosphorinane Derivatives.
Authors: CREMER S. E. , COWLES J. M. , GAMLIEL A.
Published: May 2016

The synthesis of phosphadecalin (IV) from (I) proceeds via (III) as shown in the reaction scheme.
ChemInform Abstract: New Six‐Coordinate Phosphorus Compounds. Synthesis and Stereochemistry.
Authors: SKOWRONSKA A. , BURSKI J. , GWARA J. , KAMINSKI R. , KOWARA J.
Published: May 2016

Monitoring the reaction of the spirophosphoranes (I) with the nucleophiles (II) via 31P‐NMR spectroscopy over a broad temperature range reveals that the isomers (III) and (IV) are formed.
ChemInform Abstract: Syntheses of (Me4N)2((μ‐EPh)6(MX)4) (M: Cd, Zn; E: S, Se; X: Cl, Br, I). Crystal and Molecular Structures of (Me4N)2((μ‐EPh)6(CdBr)4) (E: S, Se) and Characterization of ((μ‐EPh)6(CdX)4)2‐ in Solution by 113Cd and 77Se NMR.
Authors: DEAN P. A. W. , VITTAL J. J. , PAYNE N. C.
Published: May 2016

The direct reaction of the adamantanoid anions (I) with Br2 or I2 in acetone or with PhICl2 in MeCN provides a simple route to the new complexes (II) isolated as their tetramethylammonium salts.
ChemInform Abstract: Metallocene Derivatives of Early Transition Elements. Part 4. Synthesis and Crystal Structures of a Series of Zirconocene(IV) Halides (Zr(η‐C5H4SiMe3)2X2) (X: Cl or Br) and (Zr(η‐C5H3(SiMe3)2‐1,3)2X2) (X: F, Br, or I).
Authors: ANTINOLO A. , LAPPERT M. F. , SINGH A. , WINTERBORN D. J. W. , ENGELHARDT L. M. , RASTON C. L. , WHITE A. H. , CARTY A. J. , TAYLOR N. J.
Published: May 2016

A series of zirconocene halides (Ib) and (IIIa)‐(IIId) are prepared by substitutive procedures.
ChemInform Abstract: Effect of the γ‐OMe Group on the Reactivity of the Germanium Chloride (Me3Si)2C(SiMe2OMe)(GeMe2Cl).
Authors: EABORN C. , SAXENA A. K.
Published: May 2016

The title compound (IVa) prepared as shown is found to be much more reactive than the related chloride (Me3Si)3C(GeMe2Cl) (A) towards silver salts with which (IVa) forms the derivatives (IVb)‐(IVe).
ChemInform Abstract: Synthesis and Substitution Reactions of a Heterodimetallic Molybdenum‐Manganese Complex, (MoMn(μ‐H)(μ‐PPh2)(η5‐C5H5)(CO)6); X‐Ray Crystal Structure of (MoMn(μ‐H)(μ‐PPh2)(η5‐C5H5)(CO)4(dppm‐PP′)).
Authors: HORTON A. D. , MAYS M. J. , RAITHBY P. R.
Published: May 2016

The photolytic reaction of (I) with the phosphine (II) gives (III) and (IV) as the major products.
ChemInform Abstract: Syntheses, Reactions, and Structures of Dioxycarbene Complexes of Rhenium.
Authors: MIESSLER G. L. , KIM S. , JACOBSON R. A. , ANGELICI R. J.
Published: May 2016

The cyclic dioxycarbene complex (I), prepared from Re(CO)5Br, Br(CH2)2OH, ethylene oxide, and NaBr by modification of a known method, reacts with PPh3 (II) to give the fac‐derivative (III) and on further reaction the disubstitution product (IV).
ChemInform Abstract: Synthesis, Structure, and Properties of an Undecairon(III) Oxo‐Hydroxo Aggregate: An Approach to the Polyiron Core in Ferritin.
Authors: GORUN S. M. , PAPAEFTHYMIOU G. C. , FRANKEL R. B. , LIPPARD S. J.
Published: May 2016

Both the aquo‐acetonitrile solvate (I) and the THF solvate (II) of Fe11O6(OH)6(OOCPh)15 are obtained by diffusing water into anhydrous acetonitrile solution containing (Et4N)2(Fe2OCl6) and PhCOONa (molar ratio 1:2).
ChemInform Abstract: Synthesis, Reactivity, and Simultaneous Two‐Electron Electrochemistry of Trinuclear Iron‐Molybdenum and Cobalt‐Molybdenum Carbonyl Thiolate Complexes.
Authors: ROSENHEIN L. D. , NEWTON W. E. , MCDONALD J. W.
Published: May 2016

The heterometallic trinuclear complexes (I) are prepared by four distinct methods as demonstrated by examples in the scheme.
ChemInform Abstract: Aqueous Solution Photophysics and Photochemistry of Dihalo‐ and Aquahalobis(ethylenediamine)rhodium(III). Effect of Nonreacting Amine Ligands on Excited‐State Halide Dissociation and Excited‐State Rearrangement.
Authors: SKIBSTED L. H. , HANCOCK M. P. , MAGDE D. , SEXTON D. A.
Published: May 2016

Ligand field excitation of the complexes (I) and (II) in acidic aqueous solution leads to halide photoaquation producing the complexes (III) and (IV).
ChemInform Abstract: Syntheses of Selectively Alkylated Enol Ethers in the L‐ribo Series.
Authors: KOEPPER S. + , LUNDT I. , PEDERSEN C. , THIEM J.
Published: May 2016

The reduction of the enulose (I) predominantly leads to L‐digitoxal (IIIa) and the rhamnal (II) as by‐product; however, this method presents a sluggish reaction method for the preparation of (IIIa).
ChemInform Abstract: Synthesis and Serotonin‐Receptor Activity of Substituted 1‐Oxo‐1,2,3,4‐tetrahydro‐β‐carbolines.
Authors: HERDEIS C. , BISSINGER G.
Published: May 2016

In order to get pharmacologically interesting results, donor and acceptor substituted derivatives of strychnocarpine are synthesized.
ChemInform Abstract: Calichemicins, a Novel Family of Antitumor Antibiotics. Part 1. Chemistry and Partial Structure of Calichemicin γ1I.
Authors: LEE M. D. , DUNNE T. S. , SIEGEL M. M. , CHANG C. C. , MORTON G. O. , BORDERS D. B.
Published: May 2016

The structure of the title compound, the major component of the calichemicin complex (isolated from Micromonospora echinospora ssp.
ChemInform Abstract: Suppression of Dendrites and Roughness During Electrodeposition by Impinging Flow.
Authors: JORNE J. , LII Y.‐J. , YEE K. E.
Published: May 2016

It is demonstrated that by directing the flow of the electrolyte toward the electrodeposited surface, the growth of dendrites and roughness elements can be significantly suppressed during zinc electrodeposition.
ChemInform Abstract: Synthesis and Crystal Structure of Tl3PdCl5.
Authors: KELLER H.‐L. , SCHROEDER L. +
Published: May 2016

The title compound can be prepared either by melting a TlCl‐PdCl2 (3:1) mixture (400 °C) or by precipitation from a solution of these components in conc.
ChemInform Abstract: New High‐Pressure Phases of ReO3.
Authors: DYUZHEVA T. I. , BENDELIANI N. A. , KABALKINA S. S.
Published: May 2016

Two new polymorphs of ReO3 have been obtained at 9.0 GPa which are metastable under normal conditions.
ChemInform Abstract: Spectrophotometric Studies on the Hexamolybdate Ion in Aqueous Organic Solutions.
Authors: HIMENO S. , ISHII N. , HASEGAWA M. , SAITO A. , HORI T.
Published: May 2016

It is demonstrated, that the Mo6O12‐9 ion is stabilized by the addition of H2O miscible organic solvents such as MeCN or acetone to an aqueous solution of Mo(IV) acidified with HClO4.
ChemInform Abstract: Determination of the Dissociation Energy of the Cr2 Molecule.
Authors: HILPERT K. , RUTHARDT K.
Published: May 2016

A Knudsen cell‐mass spectrometer system has been developed which allows the determination of extremely small partial pressures.
ChemInform Abstract: Investigation of the Structure and Phase Equilibria of Nd(Co1‐xMx)5 Compounds (M: Ni, Cu, Al)
Authors: CHUANG Y. C. , WU C. H. , FONG J.
Published: May 2016

has been carried out by means of DTA, metallography and X‐ray diffraction techniques.
ChemInform Abstract: Phase Relationships in the Ternary System Ti‐Au‐Al at 775 K
Authors: JORDA J. L. , MULLER J. , BRAUN H. F. , SUSZ C.
Published: May 2016

have been investigated by means of X‐ray powder diffraction, DTA, metallographic and microhardness investigations.
ChemInform Abstract: Smooth Electrodeposits of Molybdenum from KF‐K2B4O7‐K2MoO4 Fused Salt Melts
Authors: KOYAMA K. , HASHIMOTO Y. , TERAWAKI K.
Published: May 2016

are obtained at temp. in the range 998‐1173 K and current densities of 110‐660 A m‐2 on Cu, Ni, Mo, stainless steel, mild steel, and graphite substrates.
ChemInform Abstract: Preparation and Physical Properties of a CeRh3B2 Single Crystal.
Authors: KASAYA M. , OKABE A. , KASUYA T. , HIGASHI I.
Published: May 2016

Single crystals of CeRh3B2 have been prepared using the tri‐arc furnace and Czochralski method.
ChemInform Abstract: The Crystal Structure of Triammine(orotato)zinc(II) Monohydrate.
Authors: MUTIKAINEN I.
Published: May 2016

The title complex (I) crystallizes in the space group P1 with Z=2.
ChemInform Abstract: Solvation of Triphenylamine, ‐phosphine, ‐arsine, ‐stibine, and bismuthine in Polar and Nonpolar Solvents.
Authors: AHRLAND S. , HULTEN F.
Published: May 2016

The enthalpies of solvation for the triphenyl compounds mentioned in the title are studied in seven solvents (MeOH, DMSO, MeCN, py, tetrahydrothiophene, benzene, and CCl4) at 25 °C. The values are determined from the known heats of crystallization and the heats of solution, which are measured calorimetrically.
ChemInform Abstract: Kinetic Resolution in the Oxidation of Iminium Ion to Lactam Catalyzed by Aldehyde Oxidase.
Authors: BIELAWSKI J. , BRANDAENGE S. + , RODRIGUEZ B.
Published: May 2016

A rabbit liver enzyme preparation oxidizes rac. iminium ions (I) and (III) to optically active lactams (R)‐(II) and (S)‐(V) with enantiomer ratios ER/S = 5.5 and 0.14, respectively.
ChemInform Abstract: BF3‐Catalyzed Cycloadditions of Naturally Occurring Sesquiterpene p‐Benzoquinones.
Authors: JOSEPH‐NATHAN P. , GARIBAY M. E. , SANTILLAN R. L.
Published: May 2016

Treatment of the terpenoid benzoquinone (I) with boron trifluoride yields the tricyclic trione derivatives (II).
ChemInform Abstract: On the Direct Formation of Episulfonium Ions from Alkenes. An Application to the Synthesis of Higher Order Carbocycles via Episulfonium Ion Initiated Polyene Cyclizations.
Authors: EDSTROM E. D. , LIVINGHOUSE T.
Published: May 2016

The polyenes (I), (V), and (IX) undergo cyclization with methyl phenylsulfenate (IV) in the presence of boron trifluoride to form the tricyclic or dicyclic phenylsulfenyl derivatives (II), (VI), or (X).
ChemInform Abstract: Oxidation of Olefins and Alcohols by Peroxomolybdenum Complex Derived from Tris(cetylpyridinium) 12‐Molybdophosphate and Hydrogen Peroxide.
Authors: ISHII Y. , YAMAWAKI K. , YOSHIDA T. , URA T. , OGAWA M.
Published: May 2016

Oxidation of the olefins (I) or the allylic alcohols (III) with the complex molybdatophosphate PCMP produces the oxiranes (II) or (IV).
ChemInform Abstract: Aldehydes via Palladium Catalyzed Reductive Carbonylation of Esters.
Authors: GRAFF J. L. , ROMANELLI M. G.
Published: May 2016

Acetaldehyde (IV) is prepared from methyl acetate (I) by reaction with synthesis gas (II) and (III) in the presence of a palladium catalyst.
ChemInform Abstract: Reactions of Allylstannanes with in situ Generated Immonium Salts in Protic Solvent: A Facile Aminomethano Destannylation Process.
Authors: GRIECO P. A. , BAHSAS A.
Published: May 2016

The ammonium salts (I), derived from primary amines, react with formaldehyde (II) to give methyleneimmonium salts which are treated in situ with the allylstannanes (III), producing the bis(homoallyl)amines (IV).
ChemInform Abstract: Regioselective Synthesis of Secondary Allyl Chlorides.
Authors: BOUGHDADY N. M. , CHYNOWETH K. R. , HEWITT D. G.
Published: May 2016

Using appropriate chlorination systems and varying reaction times, the rearranged products (II) or the unrearranged products (III) can be selectively prepared from the sec. allylic alcohols (I).
ChemInform Abstract: 3,3‐Difluorocyclobutene. Synthesis and Reaction with Diazomethane.
Authors: DOLBIER W. R. JUN. , AL‐FEKRI D. M.
Published: May 2016

Reaction of diazomethane (II) with the fluorinated cyclobutenes (I) and (IV) produces the cycloadducts (III), (V), and (VI).
ChemInform Abstract: Chemical Behavior of (+)‐(1R,3S)‐1,2,2‐Trimethyl‐1,3‐bis(hydroxymethyl)cyclopentane Upon Attempted Halogenation. Formation of (+)‐(1S,3S)‐1‐Bromo‐3‐(bromomethyl)‐1,2,2‐trimethylcyclohexane.
Authors: LONGTON E. D. , BAGRODIA S. , LUTZ E. C. , PINKERTON A. A. , FRY J. L.
Published: May 2016

In order to prepare the corresponding dibromide (II), the bis(hydroxymethyl)cyclopentane (I) is treated with phosphorus tribromide in sulfolane.
ChemInform Abstract: Thallium(III) Nitrate‐Mediated Efficient Synthesis of 2‐Arylpropionic Acids from 1‐Halogenoethyl Aryl Ketones.
Authors: YAMAUCHI T. , NAKAO K. , FUJII K.
Published: May 2016

The esters (III) and (V) are obtained from the reaction of the ketones (I) with the orthoformates (II) and (IV), resp., via acetal formation followed by 1,2‐aryl migration.
ChemInform Abstract: Stereoselective Ring Opening Reaction of 2‐((Phenylthio)methyl)cycloalkanols Mediated by N‐Chlorosuccinimide and Triethylamine.
Authors: TAKAKI K. , YASUMURA M. , TAMURA T. , NEGORO K.
Published: May 2016

Oxidative cleavage of the 2‐((phenylthio)methyl)cycloalkanols (VIII) with NCS and triethylamine produces the phenylthioalkenyl aldehydes or ketones (IX).
ChemInform Abstract: An Efficient Synthesis of (R)‐(+)‐ and (S)‐(‐)‐Propranolol from Resolved 5‐Iodomethyloxazolidin‐2‐ones.
Authors: CARDILLO G. , ORENA M. , SANDRI S. , TOMASINI C.
Published: May 2016

The title compounds (XIV) are prepared via the key intermediates (V) and (VI).
ChemInform Abstract: Stereoselective Synthesis of (E)‐ or (Z)‐α‐Alkylidene‐γ‐butyrolactone from γ‐Butyrolactone and Bis(ethoxy(thiocarbonyl)) Disulfide and Mechanistic Studies of the Effect of Metal Complexes on the Stereoselection.
Authors: MATSUI S.
Published: May 2016

Lithiation of the lactones (II) with LDA followed by reaction with the disulfide (III) and the aldehydes (I) affords mainly the (E)‐alkylidenelactones (IV).
ChemInform Abstract: β‐Angelica Lactone Epoxide: Chemical Behaviour and Some Synthetic Applications.
Authors: ORTUNO R. M. , CARDELLACH J. , FONT J.
Published: May 2016

The epoxide (II), derived from β‐angelica lactone (I), is converted to the hydroxylactones (V), (VI), (IX), and (X) and to the thiophenyl derivatives (VII) and (VIII) as shown in the reaction scheme.
ChemInform Abstract: 1‐Methoxyisobenzofuran from Base‐Induced and Acid‐Catalyzed Reactions of 1,3‐Dihydro‐1,3‐dimethoxyisobenzofuran.
Authors: MIRSADEGHI S. , RICKBORN B.
Published: May 2016

The 1,3‐dihydro‐1,3‐dimethoxyisobenzofurans (III), prepared from o‐phthalaldehyde (I), undergo cycloaddition reactions with various dienophiles such as (IV), (VI), and (X).
ChemInform Abstract: Reactivity and Reaction Paths of Methyl Substituted Bisindolylcarbenium Ions.
Authors: PINDUR U. , MUELLER J. +
Published: May 2016

The bisindolylcarbenium ions (I) react with bases to give the condensation products (II), (III), or (IV).
ChemInform Abstract: Preparation of 5‐Alkyl‐2‐tert‐butyl‐1,3‐dioxolan‐4‐ones by Trimethylsilyl Triflate Catalyzed Reactions between Bis(trimethylsilyl) Derivatives of α‐Hydroxy Carboxylic Acids and Pivaldehyde.
Authors: HOYE T. R. , PETERSON B. H. , MILLER J. D.
Published: May 2016

The α‐hydroxy or α‐mercaptocarboxylic acids (I) undergo twofold silylation, producing the silyl esters (II).
ChemInform Abstract: Synthesis of 1,3‐Dioxolan‐4‐ones. An Improved Procedure.
Authors: PEARSON W. H. , CHENG M.‐C.
Published: May 2016

Reaction of the carbonyl compounds (I) with trimethylsilyl trimethylsiloxyacetate (II) in the presence of trimethylsilyl iodide or triflate leads to ring closure, forming the dioxolanones (III).
ChemInform Abstract: 1,4,5,8‐Tetrachalcogeno‐2,3,6,7‐tetramethylnaphthalenes as New Electron Donors.
Authors: OTSUBO T. , SUKENOBE N. , ASO Y. , OGURA F.
Published: May 2016

The chalcogenonaphthalenes (III) and (IV) representing new electron donors are prepared from the tetramethylnaphthalene (I) via the tetrachlorotetramethylnaphthalene (II).
ChemInform Abstract: Synthesis and Reactions of 4‐Isopropylidene‐1‐aryl‐3‐methyl‐2‐pyrazolin‐5‐ones.
Authors: DERUITER J. , CARTER D. A. , ARLEDGE W. S. , SULLIVAN P. J.
Published: May 2016

The phenylhydrazines (I) react with ethyl acetoacetate (II) to give the pyrazolinones (III) which are refluxed in acetone (IV), yielding the isopropylidene compounds (V).
ChemInform Abstract: Synthesis of 1,3,4‐Oxadiazol‐2‐ones with Aliphatic Groups at N‐3.
Authors: HUANG J. , BUSHEY D. F. , GRAVES M. D. , JOHNSON B. F. , SINGLETON D. D.
Published: May 2016

Various 1,3,4‐oxadiazol‐2‐ones are prepared as shown in the reaction scheme.
ChemInform Abstract: Synthesis, Spectroscopic Studies and the Mechanism of Formation of 4,5‐Dihydro‐1,2,4‐oxadiazoles.
Authors: SRIVASTAVA R. M. , FREIERE M. V. S. , CHAVES A. S. S. C. , BELTRAO T. M. , CARPENTER G. B.
Published: May 2016

The benzamidoximes (I) react with the aldehydes (II) to give the dihydrooxadiazoles (III).
ChemInform Abstract: Synthesis of Dimethyl and Diethyl 4‐(Phenylethynyl)‐2,6‐pyridinedicarboxylate.
Authors: TAKALO H. , KANKARE J.
Published: May 2016

Two different reaction conditions are investigated for the synthesis of the title compounds (IV).
ChemInform Abstract: Preparation of New Nitrogen‐Bridged Heterocycles. Part 15. Synthesis and Reaction of 1,9a‐Dihydropyrido(2,1‐c) (1,4)thiazines.
Authors: KAKEHI A. , ITO S. , YONEZU S. , MARUTA K. , YUITO K. , SHIOHARA M. , ADACHI K.
Published: May 2016

Alkaline treatment of the pyridinium bromides (III), obtained by S‐alkylation of the methylides (I) with corresponding alkyl bromides (II), gives smoothly the dihydropyridothiazine derivatives (V) and (VI) as isomeric mixtures.
ChemInform Abstract: Synthesis of Novel 8‐Arylimidazo(1,2‐a)pyridines and 8‐Arylimidazo‐(1,5‐a)pyridines.
Authors: DAVEY D. D.
Published: May 2016

Imidazole (II) reacts with the cyclopropyl phenyl ketone (I) or the chloro ketone (IV) to form the fused imidazole (III) which is oxidized, yielding the imidazo(1,2‐a)pyridine (V).
ChemInform Abstract: Reactions of Azines. Part 9. Preparation of 4,5‐Dihydropyrazolo(1,5‐a)pyridines, 6,7‐Dihydropyrazolo(1,5‐a)pyridines, and Pyrazolo(1,5‐a)pyridines.
Authors: SCHWEIZER E. E. , HAYES J. E. , HIRWE S. N. , RHEINGOLD A. L.
Published: May 2016

The hydrazinovinylphosphonium bromides (II), prepared from the alkynes (I) or (III), are converted to the triphenylphosphoranylidene azines (V) which react with the ketenes (VI), yielding the allenes (VII).
ChemInform Abstract: Synthetic Applications of 2‐Chloro‐3‐formylquinoline.
Authors: SRIVASTAVA R. P. , NEELIMA NEELIMA , BHADURI A. P.
Published: May 2016

Starting with the title compound (I), various quinoline derivatives and fused heterocycles are prepared as shown in the reaction scheme.
ChemInform Abstract: The Synthesis of a Pyrido(2,3‐c)pyridazine: A Cinnoline Related to 6‐Fluoronalidixic Acid.
Authors: SANCHEZ J. P. , TREHAN A. K. , NICHOLS J. B.
Published: May 2016

Starting with the 5‐nitropyridine‐3‐carboxylic acid (Ia), the pyridopyridazine‐3‐carboxylic acids (VI) are prepared as analogues of cinoxacin (VII) and nalidixic acid (VIII).
ChemInform Abstract: Ab initio CI Study of Chemical Reactions of Singlet Phosphinidene.
Authors: GONBEAU D. , PFISTER‐GUILLOUZO G.
Published: May 2016

The potential energy surfaces for the addition and insertion reactions of PH with ethylene are characterized using ab initio MO theory including electron correlation.
ChemInform Abstract: Reactions of Azines. Part 12. Preparation and Reactions of Triphenyl(2‐ ((phenyl(methoxycarbonyl)methylene)hydrazono)propyl)phosphonium Bromide.
Authors: SCHWEIZER E. E. , HAYES J. E. , RHEINGOLD A. , WEI X.
Published: May 2016

Reaction of the azine (I) with the propargylphosphonium bromide (II) produces the phosphonium bromide mentioned in the title which exists in the isomeric forms (III) and (IV).
ChemInform Abstract: Thermochromic Effect in Distibines. The Role of Conjugation.
Authors: ASHE A. J. III , KAUSCH C. M. , EISENSTEIN O.
Published: May 2016

The thermochromic bistibolane (IV) and bibismolane (IX), which decomposes above 0 °C, are prepared by multistep syntheses from 2,5‐dibromohexa‐1,5‐diene (I) as shown.
ChemInform Abstract: Syntheses and Characterization of the Electron‐Deficient Complex (TMPO)V(CO)3.
Authors: JAITNER P. , HUBER W.
Published: May 2016

V(CO)6 reacts spontaneously with 2,2,6,6‐tetramethylpiperidine‐N‐oxyl by loss of CO forming the title complex (I).
ChemInform Abstract: Metal‐Metal Multiple Bonds. Part 20. Structural, Kinetic, and Theoretical Studies of the Reactivity of Dimolybdenum μ‐Alkylidenes Toward Small Molecules. Structures of M2(μ‐CAr2), M2(μ‐CAr2′), and M2(.mu±eta.1,η2‐iPrNC=CAr2′) (M: Cp(or Cp′)Mo(CO)2, Ar: p‐Tolyl, Ar2′: 2,2′‐Biphenylenyl, and Cp′: C5H4Me).
Authors: CURTIS M. D. , MESSERLE L. , D'ERRICO J. J. , SOLIS H. E. , BARCELO I. D. , BUTLER W. M.
Published: May 2016

The reactions of the dimolybdenum μ‐alkylidene complexes (I) and (II) with CO, H2, Ar2CN2, isonitriles, alkenes, and alkynes are reported.
ChemInform Abstract: Synthesis and Characterization of a Dinuclear Manganese(II,III) Mixed Valence Complex with the Dinucleating Ligand, L‐py, 2,6‐Bis(bis(2‐pyridylmethyl)aminomethyl)‐4‐methylphenol.
Authors: SUZUKI M. , MURATA S. , UEHARA A. , KIDA S.
Published: May 2016

The synthesis of the mixed Mn(II)/Mn(III) complex (IV) is described.
ChemInform Abstract: (η5‐C5H5)(CO)2FeCH2S+(CH3)2BF‐ 4: A Methylene Transfer Reagent for the Direct Cyclopropanation of Alkenes.
Authors: O'CONNOR E. J. , BRANDT S. , HELQUIST P.
Published: May 2016

The title complex (V) is synthesized via (III) as an intermediate that need not be isolated.
ChemInform Abstract: Synthesis and Spectroscopic and X‐Ray Structural Characterization and Dynamic Solution Behavior of the Neutral Cobalt(II) Alkoxides (Co(OC(C6H11)3)2)2·CH3OH·1/2C6H12·THF, (Co(OCPh3)2)2·n‐C6H14, (Co(OSiPh3)2(THF))2, and Co(OCPh3)2(THF)2.
Authors: SIGEL G. A. , BARTLETT R. A. , DECKER D. , OLMSTEAD M. M. , POWER P. P.
Published: May 2016

The reaction of the metal amide (I) with the appropriate alcohols (II) and (IV) or the silanol (VII) affords the neutral dimeric or monomeric Co alkoxides (III), (VI), and (VIII) depending on the conditions shown in the scheme.
ChemInform Abstract: Binuclear Copper Complexes of Ligands Providing Three Donors to Each Metal Ion.
Authors: SORRELL T. N. , SHEN C.‐C. , O'CONNOR C. J.
Published: May 2016

The synthesis of the new chelating ligands (VIII) and their binuclear Cu(II)‐azide and Cu(I)‐carbonyl complexes (XI) and (XIV) is described.
ChemInform Abstract: Preparation, Spectroscopic and Magnetic Characterization of Two Pseudo Layered Copper(II) Systems. The X‐Ray Structures of Bis(thiocyanato‐N)bis((1,2,4)triazolo(1,5‐a)pyrimidine‐N3)copper(II) and Dichlorobis((1,2,4)triazolo(1,5‐a)pyrimidine‐N3)copper(II).
Authors: BIAGINI CINGI M. , MANOTTI LANFREDI A. M. , TIRIPICCHIO A. , CORNELISSEN J. P. , HAASNOOT J. G. , REEDIJK J.
Published: May 2016

The title complexes (Ia) and (Ib) are obtained by 1:2:1 molar reaction of Cu(II) nitrate with NH4NCS and the ligand in aqueous medium or by 1:2 molar reaction of Cu(II) chloride in ethanol with an aqueous solution of the ligand.
ChemInform Abstract: Stoichiometric, Structural and Thermal Investigations on Cu(II), Ni(II) and Co(II) Coordination Compounds of Some Acid Hydrazide Bases.
Authors: AGRAWAL S. K. , TUTLANI D. R. , GUPTA R. , HAJELA S. K.
Published: May 2016

The ligands (I), synthesized by refluxing the ethanolic solution of terephthalic acid hydrazide with salicylaldehyde or the corresponding acetophenone derivatives, react in MeOH with metal salts (30 min reflux) to give neutral, polymeric 1:1 coordination compounds.
ChemInform Abstract: Interaction Between Copper(II)‐Arginine Complexes and HO2/O‐ 2 Radicals, a Pulse Radiolysis Study.
Authors: CABELLI D. E. , BIELSKI B. H. J. , HOLCMAN J.
Published: May 2016

Superoxide radicals are shown to react with all four Cu(II)‐arginine complexes (1:1 and 1:2 complex with the neutral acid, 1:1 complex with the monoanion and 1:2 with one anionic and one neutral ligand) existing between pH 1.5 and 12.5.
ChemInform Abstract: Late‐Transition‐Metal μ‐Oxo and μ‐Imido Complexes. Part 2. Rhodium μ‐Amido and μ‐Imido A‐Frame Complexes: Tautomeric Equilibria with a Deprotonated Bis(diphenylphosphino)methane Ligand.
Authors: SHARP P. R. , GE Y.‐W.
Published: May 2016

Depending on the acidity of the amido group, treatment of the Rh dimer (I) with two equiv. of the Li amides (III) leads either to a single product, the μ‐methylamido A‐frame complex (IIa) with a bridging bis(diphenylphosphino)methanide ligand or to a mixture of the analogous μ‐arylamido complexes (IIb,c) and the μ‐imido A‐frame complexes (IVb,c).
ChemInform Abstract: Platinum Complexes of Vitamin C. NMR Studies on the Solution Chemistry of cis‐Pt(diamine)(ascorbate) Complexes.
Authors: HOLLIS L. S. , STERN E. W. , AMUNDSEN A. R. , MILLER A. V. , DORAN S. L.
Published: May 2016

The variety of different products identified by using multinuclear NMR and HPLC techniques shows the complexity of the diamineplatinum(II) ascorbate system.
ChemInform Abstract: Cyclizations of Terminally Substituted a,c‐Biladiene Salts to Give meso‐Substituted Porphyrins.
Authors: SMITH K. M. , PANDEY R. K.
Published: May 2016

Cyclizations of the a,c‐biladienes (I), (IV), (VI) under the conditions shown in the scheme yield the corresponding meso‐substituted porphyrins (IIa), (Va), or (VIIa) (after the removal of copper) along with small amounts of the corresponding unsubstituted analogues (IIb), (Vb), (VIIb).
ChemInform Abstract: Stereoselective Total Synthesis of (.+‐.)‐Oxosilphinene Through Intramolecular Diels‐Alder Reaction.
Authors: IHARA M. , KAWAGUCHI A. , UEDA H. , CHIHIRO M. , FUKUMOTO K. , KAMETANI T.
Published: May 2016

The racemate of the title compound (XVI) (constituent of Dugaldia hoopesii) is prepared as shown from the starting material (±)‐(VI).
ChemInform Abstract: Synthesis of Ring‐A and ‐B Substituted 17α‐Acetoxypregnan‐20‐one Derivatives with Potential Activity on the Digitalis Receptor in Cardiac Muscle.
Authors: TEMPLETON J. F. , KUMAR V. P. S. , KIM R. S. , LABELLA F. S.
Published: May 2016

Various transformations (mainly reductions) of 17α‐acetoxypregnane‐20‐one derivatives are described.
ChemInform Abstract: 14‐Methyl Steroids. Part 5. Structural Features Influencing Stereoselectivity of 14‐Methylation of 15‐Oxo‐19‐norsteroids: Synthesis of 14α‐Methyl‐19‐norprogesterone.
Authors: BISCHOFBERGER K. , BULL J. R. , FLOOR J.
Published: May 2016

Methylation of the estratetraenone (I) in the presence of base affords a mixture of the 14α‐ (III) and 14β‐methyl (IV) products whereas similar treatment of the steroid (V) results in exclusive formation of the 14α‐methyl product (VI) along with the 14α,16α‐dimethyl derivative (VII) as a by‐product.
ChemInform Abstract: De novo‐Synthesis of Carbohydrates and Related Natural Products. Part 24. Synthesis of 4,6‐Dideoxy‐D‐ and ‐L‐hexoses from Racemic and meso‐Dipropenylglycol.
Authors: KUEFNER U. + , SCHMIDT R. R.
Published: May 2016

Sharpless epoxidation of the monobenzylated racemic glycol (I) with (‐)‐diethyl tartrate gives the optically pure epoxide (II).
ChemInform Abstract: Synthesis of Strychnos Indole Alkaloids. Introduction of the Functionalized One‐Carbon Substituent at C‐16.
Authors: ALVAREZ M. , LAVILLA R. , ROURE C. , CABOT E. , BOSCH J.
Published: May 2016

The tetracyclic system of (VIII) and (IX), possessing an ester functionality at the alkaloid C‐16 position, is prepared from (I) by the procedures shown in the scheme.
ChemInform Abstract: Stereospecific Synthesis of (+)‐ and (‐)‐Sesbanimide A.
Authors: WANNER M. J. , WILLARD N. P. , KOOMEN G.‐J. , PANDIT U. K.
Published: May 2016

The antipode (‐)‐(X) of the natural sesbanimide A is prepared starting from the aldehyde (I) which, in turn, is readily available from sorbitol.
ChemInform Abstract: Regiospecific Synthesis of 2′‐Deoxy‐2′,2′′‐dideuterio Nucleosides.
Authors: WU J.‐C. , BAZIN H. , CHATTOPADHYAYA J.
Published: May 2016

The dideuteriodeoxynucleosides (V) and (XVI) are synthesized by two different routes.
ChemInform Abstract: Metabolic Switching in Cytochrome P‐450cam: Deuterium Isotope Effects on Regiospecificity and the Monooxygenase/Oxidase Ratio.
Authors: ATKINS W. M. , SLIGAR S. G.
Published: May 2016

The monooxygenase cytochrome P‐450cam from the soil bacterium Pseudomonas putida is shown to catalyze the hydroxylation of the substrate analogue norcamphor (I) to form 5‐ (II), 6‐ (III), and 3‐exo‐hydroxynorcamphor (IV).
ChemInform Abstract: New Approaches to the Synthesis of β‐Lactam Antibiotics.
Authors: KNIGHT J. , PARSONS P. J.
Published: May 2016

The products (V) and (VIII)‐(XI) are obtained from the azetidinones (I) and (VII), resp., using radical cyclization techniques.
ChemInform Abstract: Enantioselective Total Synthesis of the Fungicide β‐Lactam Antibiotic (‐)‐(2S,5S)‐2‐(2‐Hydroxyethyl)clavam (VIb) and Its (+)‐(2S,5R)‐Epimer (VIIb).
Authors: HOPPE D. , HILPERT T.
Published: May 2016

The title compound (VIb), a new antibiotic from Streptomyces antibioticus, and its epimer (VIIb) are prepared as shown.
ChemInform Abstract: A New Approach to the Total Synthesis of Pseudomonic Acid C.
Authors: BARRISH J. C. , LEE H. L. , BAGGIOLINI E. G. , USKOKOVIC M. R.
Published: May 2016

Pseudomonic acid C (V) is synthesized from the hydroxycyclopentenylacetate (I) via the key intermediates (II) ‐ (IV).
ChemInform Abstract: Pheromone Synthesis. Part 100. New Synthesis of Both the Enantiomers of Grandisol, the Boll Weevil Pheromone.
Authors: MORI K. , MIYAKE M.
Published: May 2016

The mixture of the isomeric bicyclic ketones (VIII), obtained starting from the ester (I), can be separated via the chromatographically separable reduction products (IXa) and (IXb).
ChemInform Abstract: The Ultrapurification of Rare Earth Metals: Gadolinium and Neodymium.
Authors: FORT D. , BEAUDRY B. J. , GSCHNEIDNER K. A. JUN.
Published: May 2016

Purities of 99.94 at.% (Gd) and 99.97 at.% (Nd) have been achieved by using zone refining followed by solid state electrotransport.
ChemInform Abstract: Cu2+‐Doped Zeolite NaH‐ZSM‐5 by ESR and Electron Spin Echo Modulation Spectroscopies.
Authors: ANDERSON M. W. , KEVAN L.
Published: May 2016

At low loadings in the hydrated title zeolite the Cu2+ is octahedrally coordinated to six water molecules the species being located at the intersection between two zeolitic channels.
ChemInform Abstract: Formation of (111) Twins in BaTiO3 Ceramics.
Authors: EIBL O. , PONGRATZ P. , SKALICKY P. , SCHMELZ H.
Published: May 2016

BaTiO3 is formed during calcination of a BaCO3‐TiO2 powder mixture by CO2 release.
ChemInform Abstract: Effect of Grain‐Boundary Oxidation on Fracture Toughness of SiC.
Authors: ZDANIEWSKI W. A. , KIRCHNER H. P.
Published: May 2016

The fracture toughness of hot‐pressed SiC samples oxidized in the temp. range 900‐1300 °C has been determined by the indentation method.
ChemInform Abstract: Synthesis and Structure of Zeolite ZSM‐5: A Raman Spectroscopic Study.
Authors: DUTTA P. K. , PURI M.
Published: May 2016

The zeolite ZSM‐5 is usually synthesized in the presence of tetrapropylammonium ion, therefore, monitoring the vibrations of Pr4N+ is used to examine the Raman spectra of the solution and solid phases present during various stages of ZSM‐5 synthesis.
ChemInform Abstract: Photoelectrochemistry of p‐InP in Saturated CaCl2 Solutions.
Authors: ROSAMILIA J. M. , SCHNEEMEYER L. F. , MILLER B.
Published: May 2016

In order to examine whether the improved electron transfer kinetics observed in the Cr(III) system at Hg as a function of Cl‐ concentration is also significant for a p‐InP photocathode, the behavior of the Cr(III)‐Cr(II), Eu(III)‐Eu(II), and Pt‐catalyzed proton reduction systems has been investigated in aqueous 0.2 M and saturated CaCl2 by means of rotating disk and ring‐disk electrode techniquesand cyclic voltammetry at Au, Pt, and p‐InP electrodes and by regenerative photoelectrochemical cell measurements.
ChemInform Abstract: Activation of (W,Mo)C Methanol Anodic Oxidation Catalysts Using Alkaline Solution.
Authors: OKAMOTO H. , KAWAMURA G. , ISHIKAWA A. , KUDO T.
Published: May 2016

An effective activation of (W,Mo)C powder catalysts for catalysis of anodic methanol oxidation is achieved by heating the powder in a 7 M NaOH solution.
ChemInform Abstract: A Study of the Anodic Oxidation of Iodide‐Mediated Sulfur Dioxide Solution
Authors: CHO B. W. , YUN K. S. , CHUNG I. J.
Published: May 2016

has been performed by using a potentiodynamic method.
ChemInform Abstract: Atmospheric Sulfidation of Copper Single Crystals.
Authors: GRAEDEL T. E. , FRANEY J. P. , KAMMLOTT G. W. , VANDENBERG J. M. , KEY P. L.
Published: May 2016

(100), (110), and (111) single crystals of Cu and polycrystalline copper have been exposed to a controlled test atmosphere containing low concentrations of H2S, designed to simulate atmospheric sulfidation.
ChemInform Abstract: Coadsorption of Oxygen and Potassium on Ru(001): Evidence for the Formation of K‐O Compounds.
Authors: DE PAOLA R. A. , HOFFMANN F. M. , HESKETT D. , PLUMMER E. W.
Published: May 2016

The interaction of potassium and oxygen on Ru(001) is studied employing Auger, LEED, thermal desorption mass spectrometric, electron energy loss spectrometric, UV photoemission, and work function measurements.
ChemInform Abstract: Photolysis of Nitrogen Trichloride.
Authors: GILBERT J. V. , WU X. L. , STEDMAN D. H. , COOMBE R. D.
Published: May 2016

Laser photolysis experiments have been performed on gaseous NCl3 in helium and spectra and time profiles of the resulting emissions are collected and analyzed.
ChemInform Abstract: Photocatalytic Hydrogenation of CH3CCH with H2O on Small‐Particle TiO2: Size Quantization Effects and Reaction Intermediates.
Authors: ANPO M. , SHIMA T. , KODAMA S. , KUBOKAWA Y.
Published: May 2016

The experimental results indicate that the photocatalytic activity of TiO2 increases with decreasing particle size, especially below 100 Å.