bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Platinum Dispersed on Carbon Catalyst for a Fuel Cell: A Preparation with Sorbitan Monolaurate.
Authors: HONJI A. , MORI T. , HISHINUMA Y. 
Published: May 2016

AbstractThe preparation of Pt/carbon catalysts by reduction of chloroplatinic acid with MeOH containing sorbitan monolaurate is found to yield highly dispersed Pt particles.
ChemInform Abstract: Synthesis, Properties and Thermal Decomposition of the Hydrazinate of Zinc Borohydride.
Authors: KONOPLEV V. N. , SIZAREVA A. S. , YAGZHEV V. V. 
Published: May 2016

AbstractReaction between Zn(BH4)2 (I) and anhydrous N2H4 (II) yields the hitherto unknown title compound (III).
ChemInform Abstract: Unraveling Overlapping Multiplets in 2D NMR Correlation Spectra by Selective Inversion of Coupling Partners.
Authors: EMSLEY L. , HUBER P. , BODENHAUSEN G. 
Published: May 2016

AbstractClean and simple two‐dimensional multiplet patterns instead overlapping multiplets can be generated in an NMR experiment by employing selective pulses that single out small segments of a complete spectrum.
ChemInform Abstract: Differentiation of Isomeric Camphane‐2,3‐diols by NMR Spectroscopy and Chemical Ionization Mass Spectrometry.
Authors: PARTANEN T. , MAELKOENEN P. J. + , VAINIOTALO P. , VEPSAELAEINEN J. + 
Published: May 2016

AbstractAll the four diastereoisomeric camphane‐2,3‐diols (I) are synthesized and their structures verified by 1H and 13C NMR.
ChemInform Abstract: Structural Characterization of the Pseudoenantiomeric cis‐Dioxoosmium(VI) Esters of Chiral Diols with Chinchona Alkaloid Ligands.
Authors: PEARLSTEIN R. M. , BLACKBURN B. K. , DAVIS W. M. , SHARPLESS K. B. 
Published: May 2016

AbstractStarting point for the development of structure/activity correlations for the asym.
ChemInform Abstract: Auxiliary‐Based, Asymmetric SN2′ Reactions: A Case of 1,7‐Relative Stereogenesis.
Authors: DENMARK S. E. , MARBLE L. K. 
Published: May 2016

AbstractThe chiral carbamates (I), derived from an achiral allylic alcohol and optically active amines, are subjected to vinylogous bimolecular nucleophilic substitution.
ChemInform Abstract: Transformation of α‐Assisted Carbanions into the Corresponding Trimethylsiloxy Derivatives Using Bis(trimethylsilyl) Peroxide.
Authors: DEMBECH P. , GUERRINI A. , RICCI A. , SECONI G. , TADDEI M. 
Published: May 2016

AbstractThe reaction between the lithiated sulfides or nitriles (I) and bis(trimethylsilyl) peroxide (II) affords the title compounds, i.e. the trimethylsilyloxy derivatives (III).
ChemInform Abstract: The N‐Substitution of Aliphatic Primary Amines via 1‐((Alkylamino)methyl)benzotriazoles: Preparation of Secondary Amines.
Authors: KATRITZKY A. R. , NOBLE G. , PILARSKI B. , HARRIS P. 
Published: May 2016

AbstractA novel method for the selective conversion of aliphatic primary amines into unsym. substituted secondary amines is described.
ChemInform Abstract: Reactions of Perchlorofluoro Compounds. Part 6. Rearrangement of Higher Perchlorofluoro Olefins and Their Reactions with Nucleophiles and Electrophiles.
Authors: HU C.‐N. , LIU H. , XU Z.‐Q. 
Published: May 2016

AbstractIsomerization reactions of perchlorofluoroalkenes such as (I) and (II) are induced by fluoride ions or by Lewis acids like AlCl3, SbF5, or FSO3H. The products are the most stable E‐configurated internal olefins.
ChemInform Abstract: Synthesis of Optically Active α‐Alkyl Thioglycolic Acid Derivatives.
Authors: LIU H.‐H. , CHEN E.‐N. , UANG B.‐J. , WANG S.‐L. 
Published: May 2016

Abstract(R)‐(+)‐Camphor (I) is coupled with thioglycolic acid (II) to form mainly the spirocyclic oxathiolan‐5‐one (III), together with minor amounts of the isomer (IV).
ChemInform Abstract: Homochiral Group Transfer in Organic Synthesis Via α‐Diazocarbonyl Intermediates.
Authors: COLLINS J. C. , DILWORTH B. M. , GARVEY N. T. , KENNEDY M. , MCKERVEY M. A. , O'SULLIVAN M. B. 
Published: May 2016

AbstractThe chloro diazoketone (I) reacts with cyclohexane (II) in the presence of rhodium(II) mandelate to yield the CH‐insertion product (III).
ChemInform Abstract: The Synthesis and Structure of 3,4‐Di‐tert.‐butylbenzoic Acid.
Authors: HAMBLEY T. W. , STERNHELL S. , TANSEY C. W. 
Published: May 2016

AbstractThe title compound (VI), obtained as a solid, is the first simple o‐di‐tert.‐butylbenzene, whose structure is determined by X‐ray analysis (space group is P1 with Z=2).
ChemInform Abstract: Reaction of N‐Arylphthalisoimidium Perchlorates with Amines and Aromatic Hydrocarbons under Friedel‐Crafts Conditions: A New and Convenient One‐Step Method for the Synthesis of 2,3‐Diaryl‐3‐hydroxyphthalimidines.
Authors: ISMAIL M. F. , ENAYAT E. I. , EL‐BASSIOUNY F. A. , YOUNES H. A. 
Published: May 2016

AbstractThe perchlorates (II) are highly susceptible for attack by amines to give the derivatives (IV).
ChemInform Abstract: Stereoselective Reductions of 2‐Keto Sulfoxides with Hydrides.
Authors: CARRENO M. C. , RUANO J. L. G. , MARTIN A. M. , PEDREGAL C. , RODRIGUEZ J. H. , RUBIO A. , SANCHEZ J. , SOLLADIE G. 
Published: May 2016

AbstractThe authors investigate the reduction of β‐keto sulfoxides such as (I) with various metal hydrides.
ChemInform Abstract: Multiple Reductive Cleavage of Calixarene Diethyl Phosphate Esters: A Route to (1n)Metacyclophanes.
Authors: GOREN Z. , BIALI S. E. 
Published: May 2016

AbstractThe cleavage of the intra‐annular hydroxy groups of (I) via the phosphate ester (II) leads to a conformationally flexible (14)metacyclophane (IV), as shown by NMR.
ChemInform Abstract: Stereoselective Synthesis and Stereospecific Asymmetric 1,2‐Rearrangements of Chiral Sulfinylcyclopropane Derivatives.
Authors: HIROI K. , ANZAI T. , OGATA T. , SAITO M. 
Published: May 2016

AbstractThe tolylsulfinylcyclopropane (R)‐(I) is deprotonated and then acylated to give the α‐sulfinylcyclopropyl ketones (S)‐(III).
ChemInform Abstract: 3,4,8,9‐Tetramethylene‐endo‐2,5:endo‐7,10‐dietheno‐cis‐decalin. A New Exocyclic Diene Bridged Polycyclic Hydrocarbon.
Authors: LIN C.‐T. , CHOU T.‐C. 
Published: May 2016

AbstractThe known Diels‐Alder adduct (III) of the tricyclic triene (I) and maleic anhydride (II) is reduced to give the diol (IV) and then subjected to dechlorination followed by acetal hydrolysis.
ChemInform Abstract: Preparation and Some Reactions of Tricyclo(3.3.0.01,4)octan‐2‐ones and Tricyclo(3.2.0.01,4)heptan‐2‐ones.
Authors: COTTERILL I. C. , FINCH H. , HIGHCOCK R. M. , HOLT R. A. , MAHON M. F. , MOLLOY K. C. , MORRIS J. G. , ROBERTS S. M. , SHORT K. M. , SIK V. 
Published: May 2016

AbstractThe title tricyclooctanes (II) and tricycloheptanones (IX) are subjected to an attack by a variety of nucleophiles and electrophiles.
ChemInform Abstract: Condensed Cyclic and Bridged‐Ring Systems. Part 14. Synthesis of Some Bridged Propanohydrophenanthrene, ‐hydrofluorene and Polycyclic Benzopropellane Derivatives Through Intramolecular C‐Alkylations of γ,δ‐Unsaturated α′‐Diazomethyl Ketones.
Authors: RAY C. , SAHA B. , GHATAK U. R. 
Published: May 2016

AbstractThe access to a variety of title compounds such as the propanohydrophenanthrene (III) and the benzopropellane (IV) is achieved via intramolecular keto‐carbenoid addition of the diazopropanone (I) and subsequent regiospecific reductive cleavage of the cyclopropyl ketone (II).
ChemInform Abstract: Synthesis of Thiocarbonyl and Heterocyclic Compounds from 2‐Methylene‐1,3‐dithietanes.
Authors: OKAJIMA N. , OKADA Y. 
Published: May 2016

Abstract2‐Methylene‐dithietanes such as (I) (available by literature methods) give ring‐opening reactions with amines, with alcoholate or thiolate anions, or with hydrazine affording products such as (III), (IV), or (VII).
ChemInform Abstract: Asymmetric Synthesis of (R)‐ and (S)‐4‐(Substituted Benzyl)dihydrofuran‐2(3H)‐ones: An Application of the Ruthenium‐binap Complex‐Catalysed Asymmetric Hydrogenation of Alkylidenesuccinic Acids.
Authors: SHAO L. , MIYATA S. , MURAMATSU H. , KAWANO H. , ISHII Y. , SABURI M. , UCHIDA Y. 
Published: May 2016

AbstractThe chiral Ru catalyst (I) leads to almost stereospecific hydrogenation of the alkylidenesuccinic acids (II).
ChemInform Abstract: The Preparation of 5‐Substituted Thieno(2,3‐b)furan‐2‐sulfonamides.
Authors: HARTMAN G. D. , HALCZENKO W. , PRUGH J. D. , WILLIAMS T. M. 
Published: May 2016

AbstractThe preparation of the first representative (X) of the sulfonamides specified in the title is reported.
ChemInform Abstract: Synthesis and Polymerization of Ethynylthiophenes and Ethynylfurans Containing Trifluoromethyl Groups.
Authors: NISHIDA M. , FUJII S. , AOKI T. , HAYAKAWA Y. , MURAMATSU H. , MORITA T. 
Published: May 2016

Abstractα‐Trifluoromethylfuran (VIIa) and its thia analogon (VIIb), prepared as outlined in the reaction scheme, are lithiated and coupled with 1,1‐dichloro‐2,2‐difluoroethene (VIII) to give the corresponding halovinyl derivatives (IX).
ChemInform Abstract: A Short Synthesis of Dibenzofurans and Dibenzothiophenes.
Authors: BLACK M. , CADOGAN J. I. G. , MCNAB H. 
Published: May 2016

AbstractFlash vacuum pyrolysis of the aryl allyl(thio)salicylates (I), (III), or (VI) results in cyclization to produce the dibenzofurans(thiophenes) (II) or (IV) and (V) or a mixture of γ‐ (VII) and β‐brazan (VIII).
ChemInform Abstract: 4‐Chloromethylation of 1‐Methyl‐2‐pyrryl Ketones.
Authors: BARKER P. L. , BAHIA C. 
Published: May 2016

AbstractThe N‐methylsubstituted pyrroles (I) with electron‐withdrawing substituents at position C(2) undergo facile and regiospecific 4‐chloromethylation to afford the 2,4‐disubstituted pyrroles (IV).
ChemInform Abstract: Novel Bicyclo(2.2.2)lactones from a Facile Condensation of Dibenzoylethylene with Arylacetonitriles.
Authors: ATFAH M. A. , AL‐ARAB M. M. 
Published: May 2016

AbstractThe reaction between the carbanions generated from the arylacetonitriles (I) and trans‐dibenzoylethene (II) yields the title compounds (III) after acidic work‐up.
ChemInform Abstract: Palladium(0)‐mediated Intramolecular Lactonization of Allylic Alcohol Derivatives; Unusual Substituent Effect of the Trifluoromethyl Group on δ‐Lactone Formation.
Authors: HANZAWA Y. , ISHIZAWA S. , ITO H. , KOBAYASHI Y. , TAGUCHI T. 
Published: May 2016

AbstractCyclization reaction of the allylic carbonates (I) and subsequent deethoxycarbonylation yield a mixture of the cis‐ or trans‐disubstituted δ‐lactones (II) and (III) with predominance of the former.
ChemInform Abstract: Iodonium‐Induced Cyclisations of 5‐Silylalk‐4‐enols.
Authors: SCHAUMANN E. , KIRSCHNING A. 
Published: May 2016

AbstractIn contrast to the known iodo‐ and phenylseleno‐induced cyclisations of δ,ε‐unsaturated alcohols, in which the formation of furans is favoured, the cyclisation of the title compounds (I) and (III) with the I(III)‐species (IV) leads to the pyrans (II) or (V)‐(VII), respectively.
ChemInform Abstract: An Improved Procedure for Cyclization of Chalcones to Flavanones Using Celite Supported Potassium Fluoride in Methanol: Total Synthesis of Bavachinin.
Authors: HARWOOD L. M. , LOFTUS G. C. , OXFORD A. , THOMSON C. 
Published: May 2016

AbstractThe chalcones (I) are cyclized upon heating in the presence of potassium fluoride on Celite to give satisfactory yields of the flavanones (II), among these bavachinin (IId).
ChemInform Abstract: Synthesis and Properties of 3,9‐Dithiaperylene: A Third Isomer of Peri‐Condensed Weitz‐Type Donors Based on the Perylene Skeleton.
Authors: NAKASUJI K. , ODA A. , TOYODA J. , MURATA I. 
Published: May 2016

AbstractSulfidoacetaldehyde diethyl acetal, generated by reduction of the thiocyanate (I), undergoes substitution reaction with 1,5‐dichloroanthraquinone (II) to produce the bridged bis(2‐sulfenyl acetal) (III) which is deprotected upon treatment with conc.
ChemInform Abstract: 4,4′:2′,2′′:4′′,4′′′‐Quaterpyridyl: A Building Block for the Preparation of Novel Redox Reagents. Part 1. Preparation and Quaternization.
Authors: MORGAN R. J. , BAKER A. D. 
Published: May 2016

AbstractLow yields of the quaterpyridyl (II) mentioned in the title are obtained by direct coupling of 4,4'‐bipyridine (I) upon heating in the presence of palladium on charcoal.
ChemInform Abstract: Preparation of Quinonimine Acetals via Intramolecular Condensation of Amino‐Substituted Quinone Monoketals. Anodic Oxidation Chemistry of Trifluoroacetamide Derivatives of 1,4‐Dimethoxybenzenes and 4‐Methoxyphenols.
Authors: SWENTON J. S. , SHIH C. , CHEN C.‐P. , CHOU C.‐T. 
Published: May 2016

AbstractAnodic oxidation of the N‐trifluoroacetamides (I) of 2‐(4‐substituted‐2,5‐dimethoxyphenyl)ethylamine in the presence of alkali and methanol (II) produces directly the bicyclic quinonimine acetals (III).
ChemInform Abstract: Synthesis and Fluorescent Properties of a New Photostable Thiol Reagent “BACM”.
Authors: CHAURASIA C. S. , KAUFFMAN J. M. 
Published: May 2016

AbstractThe title compound (V) is a new tag designed to react with thiols in biological materials to form fluorescent derivatives whose emission is in the 500 nm region with good resistance to fading.
ChemInform Abstract: Synthesis of 3‐Quinuclidinyl Benzilate Derivatives.
Authors: KABALKA G. W. , MATHUR S. B. , GAI Y.‐Z. 
Published: May 2016

AbstractThe 4‐bromo‐ and 4‐iodo analogues (VIII) and (XIII) of 3‐quinuclidinyl benzilate (QNB) are synthesized from the 4‐halobenzophenones (I) as shown in the reaction scheme via O‐silyl cyanohydrins and benzilic acids.
ChemInform Abstract: Stereoselectivity in the Ortho Ester Claisen Rearrangements of the E and Z Isomers of γ‐(1,3‐Dioxan‐4‐yl)allyl Alcohols.
Authors: TADANO K. , MINAMI M. , OGAWA S. 
Published: May 2016

AbstractThe E‐hydroxypropenyl‐1,3‐dioxanes (I), prepared from 4,6‐O‐ethylidene‐D‐glucose, undergo Claisen rearrangement with triethyl orthoacetate (II) to form the products (III) and (IV) with predominance of the (R) isomer (III).
ChemInform Abstract: The Chemistry of Pyrrolic Compounds. Part 64. Intramolecular Cyclization of Butyric Acid‐Substituted Porphyrins: Petroporphyrins with Fused Seven‐Membered Ring Systems.
Authors: CLEZY P. S. , JENIE U. , PRASHAR J. K. 
Published: May 2016

AbstractThe preparation of a series of porphyrins such as (III), substituted with butyric acid side chains, is described and efforts to achieve the intramolecular cyclization of this substituent are discussed.
ChemInform Abstract: The Chemistry of Pyrrolic Compounds. Part 65. Intramolecular Cyclization of Porphyrins with Acetic Acid Side Chains: Hydroxy Derivatives of Deoxophylloerythroaetioporphyrin (DPEP).
Authors: CLEZY P. S. , MIRZA A. H. , PRASHAR J. K. 
Published: May 2016

AbstractThe intramolecular cyclization of porphyrins such as (I), substituted with an acetic acid side chain, is studied under a range of conditions, but the yield of the fused five‐membered ketone (IIa) is disappointingly low (ca.
ChemInform Abstract: Curtius Rearrangement in the 5‐Phenyl‐1,4‐benzodiazepine Series. Unprecedented Participation by an Imine Nitrogen.
Authors: BOCK M. G. , DIPARDO R. M. , CARSON K. G. , FREIDINGER R. M. 
Published: May 2016

AbstractSince 5‐phenyl‐1,4‐benzodiazepines are of therapeutic interest, synthetic routes for their preparation are studied.
ChemInform Abstract: Synthesis of CNS Potentially Active Bicyclic and Tricyclic Derivatives of Pyrazolo(1,5‐a)(1,3)diazepines.
Authors: COSTANZO A. , BRUNI F. , AUZZI G. , SELLERI S. , PECORI VETTORI L. 
Published: May 2016

AbstractThe title compounds (III) and (IV)‐(VI) are prepared by reaction of 5‐ethylamino‐3‐phenylpyrazole (I) with the corresponding dicarboxylic acid anhydrides (yield: 1‐30%).
ChemInform Abstract: Transannular Cyclizations of 5‐(Hydroxyamino)dibenzo(a,e)cyclooctatrienes. Regioselective Synthesis of Dibenzohomotropane Analogues.
Authors: LEESON P. D. , JAMES K. , CARLING R. W. , MOORE K. W. , SMITH J. D. , MAHOMED A. A. , HERBERT R. H. , BAKER R. 
Published: May 2016

AbstractRing expansion of the 5‐(tosyloxymethyl)cycloheptenes (I) yields the two regioisomeric cyclooctatrienoles (II) and (III).
ChemInform Abstract: Synthesis and Characterization of a New Macrobicyclic (Cryptand) Siderophore Containing Three Endocyclic Hydroxamate Donor Groups.
Authors: SUN Y. , MARTELL A. E. 
Published: May 2016

AbstractThe key step in the synthesis of the first trishydroxamate cryptand ligand (IX) is the tripodal coupling of the tris‐O‐benzylhydroxylamine (VIII) with the tris‐acid chloride (V) under high dilution conditions.
ChemInform Abstract: Trinuclear Dithiadiaza(3.3.2)cyclophan‐enes.
Authors: SCHMIEGEL J. , FUNKE U. , MIX A. , GRUETZMACHER H.‐F. + 
Published: May 2016

AbstractThe title compounds, e.g. (III), which contain an azobenzene moiety bridged in the para positions only adopt Z configuration while meta‐bridged analogues exist as mixture of isomers such as (V) and (VI).
ChemInform Abstract: An Allene‐Analogous Boranylidenephosphane with B=P Double Bond: 1,1‐Diethylpropyl(2,2,6,6‐tetramethylpiperidino)boranylidenephosphane‐P‐pentacarbonylchromium.
Authors: LINTI G. , NOETH H. + , POLBORN K. , PAINE R. T. 
Published: May 2016

AbstractWith the use of very bulky substituents and the introduction of an additional ligand at the P atom for sterically stabilization the cleavage of the B2P2 ring in (I) in its reaction with the chromium complex (II) affords the heteroallene system (III) (space group P21/n, Z=4).
ChemInform Abstract: Synthesis of Cyclosilanylethynes.
Authors: HENGGE E. , BAUMEGGER A. , EIBL M. , HOHENESTER E. , KRATKY C. 
Published: May 2016

AbstractTreatment of the new cyclohexasilanylethyne (III) with Na‐K alloy under ultrasound, followed by reaction with (I) and (V), yields the air‐stable compounds (IV) (space group P21/n, Z=2) and (VI), respectively.
ChemInform Abstract: An Efficient Phosphorylation Method Using a New Phosphitylating Agent, 3‐Diethylamino‐1,5‐dihydro‐2,4,3‐benzodioxaphosphepin.
Authors: WATANABE Y. , KOMODA Y. , EBISUYA K. , OZAKI S. 
Published: May 2016

AbstractThe title reagent (I) is employed in the presence of tetrazole to convert the alcohols (II) into the phosphates (III) after oxidative work‐up.
ChemInform Abstract: Preparation of ((CH3)3Si)2NSexN(Si(CH3)3)2 (x=1,2) and New Se‐S‐N‐Heterocycles.
Authors: HAAS A. , KASPROWSKI J. 
Published: May 2016

AbstractThe four‐membered ring (III) is prepared as a TiCl4 adduct by reaction of the bis(sulfinylamido)selenium (I) with TiCl4 (II).
ChemInform Abstract: Synthesis and Molecular Structure of the Cyclic Hexamer of 2,3‐Dimethylbutene Aluminum Monochloride.
Authors: DOHMEIER C. , MATTES R. , SCHNOECKEL H. + 
Published: May 2016

Abstract2,3‐Dimethylbuta‐1,3‐diene (I) reacts with aluminum monochloride (II) in toluene (III) to form the complex (IV), which is sensitive to air and moisture.
ChemInform Abstract: Synthesis, Characterization, Oxygenation and Carbonylation of Ruthenium(III) Schiff Base Complexes.
Authors: KHAN M. M. T. , KHAN N. H. , KURESHY R. I. , BORICHA A. B. , SHAIKH Z. A. 
Published: May 2016

AbstractIn view of the growing interest in oxygenation and carbonylation of ruthenium(III) complexes for new water‐soluble catalysts, 20 examples of complexes such as (III), (V) and (VII) are synthesized.
ChemInform Abstract: An Oxidative Decarboxylation of 7‐Oxopodocarpic Acid Derivatives.
Authors: CAMBIE R. C. , CRAW H. M. , RICKARD C. E. F. , ROBERTSON J. D. , RUTLEDGE P. S. , VALU K. K. , WOODGATE P. D. 
Published: May 2016

AbstractTreatment of the acid (Ia) or its 13‐isopropyl derivative (Ib) with excess DDQ affords the conjugated dienones (IIa) or (IIb) directly.
ChemInform Abstract: Stereocontrolled Synthesis of N,O‐Dimethyl‐γ‐amino‐β‐hydroxy Acids: Analogues of the (R)‐MeIle‐ψ(CHOMe)‐Gly Residue of the Cytotoxic Marine Pseudopeptide Dolastatin 10.
Authors: MAUGRAS I. , PONCET J. , JOUIN P. 
Published: May 2016

AbstractStarting from Boc‐Val (I) the (R)‐Me‐Val‐ψ(CHOMe)‐Gly (VII) is prepared in a stereocontrolled manner.
ChemInform Abstract: A New Synthetic Equivalent of the Glutamic Acid γ‐Anion and Its Application to the Synthesis of (S)‐(+)‐γ‐Carboxyglutamic Acid.
Authors: ATTWOOD M. R. , CARR M. G. , JORDAN S. 
Published: May 2016

AbstractThe pyroglutamate (II), prepared in a known manner, is acylated in 3‐position to form the diester (IV).
ChemInform Abstract: Decarboxylative Carbon Acylation of Malonates with Aminoacylimidazolides Mediated by Lewis Acids.
Authors: MANSOUR T. S. , EVANS C. A. 
Published: May 2016

AbstractThe amino acids (I) are activated by conversion to the imidazolides (III) which react with potassium monomethyl malonate (IV) in the presence of one equivalent of a Lewis acid to form the β‐keto‐γ‐aminocarboxylates (V).
ChemInform Abstract: Solanum Alkaloids. Part 117. Synthesis of the Steroid Alkaloid Soladunalinidine and Other 5α‐Spirosolan‐3‐amines.
Authors: LE THI QUYEN LE THI QUYEN , RIPPERGER H. , SCHREIBER K. 
Published: May 2016

AbstractTomatidine (I), which is found to occur together with soladunalinidine (III) in Solanum dunalianum and assumed to be the biosynthetic precursor of (III), serves as starting material for the preparation of the title compound.
ChemInform Abstract: Transannular Reactions of 5‐Azido‐ and 5‐Nitronodibenzo(a,e)cyclooctatrienes and ‐dibenzo(a,d)cycloheptatrienes. Syntheses of Pavine and Homoisopavine Analogues.
Authors: LEESON P. D. , CARLING R. W. , JAMES K. , BAKER R. 
Published: May 2016

AbstractControlled thermolysis of the azidodibenzocyclooctatriene (III), obtained from the corresponding alcohol (I), gives the aziridine (IV) which yields the pavine alkaloid analogue (V) after regioselective reductive cleavage.
ChemInform Abstract: Hydroxylation of Prostanoids by Fungi. Synthesis of (‐)‐15‐Deoxy‐19‐(R)‐hydroxy‐PGE1 and (‐)‐15‐Deoxy‐18‐(S)‐hydroxy‐PGE1.
Authors: HOLLAND H. L. , BROWN F. M. , CHENCHAIAH P. C. , RAO J. A. 
Published: May 2016

AbstractFour model compounds and two prostaglandin precursors are hydroxylated by various fungi.
ChemInform Abstract: Synthesis of (R)‐Lasiodiplodin from Polyhydroxybutyric Acid.
Authors: BRAUN M. , MAHLER U. , HOUBEN S. 
Published: May 2016

Abstract(R)‐1,3‐Butanediol (Ia) is obtained by depolymerization of the biopolymer polyhydroxybutyric acid and transformed to the iodide (Ib).
ChemInform Abstract: Grain‐Boundary‐Phase Crystallization and Strength of Silicon Nitride Sintered with a YSiAlON Glass.
Authors: CINIBULK M. K. , THOMAS G. , JOHNSON S. M. 
Published: May 2016

AbstractIt is demonstrated that glasses of the Y‐Si‐Al‐O‐N system (a glass with nominal composition Y2.6Si3.0Al1.1O10N1.1 is used) are effective sintering aids for Si3N4 and ceramics with minimal porosity and up to 99% density can be produced.
ChemInform Abstract: The Electrochemical Behavior of Graphite and Ni‐Cr Electrodes in Sodium Polysulfide in the Absence and Presence of Hydrogen Sulfide
Authors: MAO Z. , WHITE R. E. , DANDAPANI B. , ANANI A. , SRINIVASAN S. , APPLEBY A. J. 
Published: May 2016

Abstractis studied by voltammetric, chronoamperometric, and chronopotentiometric techniques in order to investigate the suitability of the sodium polysulfide melt as electrolyte for the decomposition of H2S. During cathodic polarization in sodium tetrasulfide the formation of two continuous phases on the electrodes, apparently Na2S2 and Na2S, is observed at ‐0.28 and ‐0.4 V vs.
ChemInform Abstract: Elucidation of the Initial Stages of the Oxidation of Si(111) Using Scanning Tunneling Microscopy and Spectroscopy.
Authors: LYO I.‐W. , AVOURIS PH. , SCHUBERT B. , HOFFMANN R. 
Published: May 2016

AbstractTwo states of adsorbed oxygen are directly imaged in the initial stages of the oxidation of Si(111).
ChemInform Abstract: Reduction of Ni2+ Cations in Y Zeolites. Part 1. Effect of Sample Pretreatment.
Authors: COUGHLAN B. , KEANE M. A. 
Published: May 2016

AbstractThe location of Ni2+ in the zeolite frameworks of NiNa‐Y and NiK‐Y zeolites is investigated after various stages of thermal treatment and the reduction of Ni2+ in flowing H2 atmosphere is studied as a function of H2 flow rate, reduction time, temp., sample precalcination, and NH3 pretreatment.