bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Ammonothermal Synthesis of Copper Nitride, Cu3N.
Authors: ZACHWIEJA U. , JACOBS H.
Published: May 2016

The title nitride is synthesized by comproportionation of the ammine complex (I) with Cu at 20 °C in liquid NH3 and subsequent decomposition of the resulting copper(I) ammine complex (III) at higher temp. and NH3 pressure.
ChemInform Abstract: Experimental and Theoretical Studies of Nonadditivity of Multiple Isotopic Substitution on Equilibria.
Authors: SAUNDERS M. , CLINE G. W.
Published: May 2016

High‐resolution 13C NMR is used to study the relative equilibrium isotope effects on the degenerate 1,2 hydride shifts in 2H, 13C labeled Me2C+‐CHMe2 cations in SbF5/SO2ClF over a range of temp. with very high accuracy.
ChemInform Abstract: Novel Diphosphinoiridium Catalysts for the Enantioselective Hydrogenation of N‐Arylketimines.
Authors: SPINDLER F. , PUGIN B. , BLASER H.‐U.
Published: May 2016

The enantioselective hydrogenation of N‐arylketimines such as (I) is probed using a variety of diphosphinoiridium catalysts.
ChemInform Abstract: Reduction of Monobenzylic Alcohols with Sodium Borohydride/Trifluoroacetic Acid.
Authors: NUTAITIS C. F. , BERNARDO J. E.
Published: May 2016

Various primary (I) or secondary and tertiary benzylic alcohols (III) are reduced with sodium borohydride in the presence of trifluoroacetic acid to produce the corresponding hydrocarbons (II) or (IV).
ChemInform Abstract: Regioselective Synthesis of α‐Alkylated‐β,γ‐enoates by Reduction‐Alkylation with Cuprates‐Alkyl Halides of γ‐(Benzothiazole‐2‐thio)‐α,β‐enoates.
Authors: CALO V. , LOPEZ L. , PESCE G.
Published: May 2016

The compounds E‐ or Z‐(I) and (VI) are reductively cleaved by cuprates to give enoate anions which are regioselectively alkylated leading to the products (III) and (IX), respectively.
ChemInform Abstract: On the Interesting Course of Dichloroketene Addition to 1,5‐Dimethyl‐1,5‐cyclooctadiene.
Authors: MEHTA G. , REDDY M. S. , RAO K. S.
Published: May 2016

Dichloroketene, generated from trichloroacetyl chloride (II), reacts with the cyclooctadiene (I) mentioned in the title to yield primarily the (2 + 2)cycloadduct (III).
ChemInform Abstract: The Angular Trifluoromethyl Group. Part 2. Synthesis of (+)‐2,3,7,7a‐Tetrahydro‐7a‐trifluoromethyl‐1H‐indene‐1,5(6H)‐dione.
Authors: BLAZEJEWSKI J. C.
Published: May 2016

Cyclization of the oxobutylcyclopentanedione(III) using (S)‐(‐)‐proline as a chiral auxiliary proceeds with asymmetric induction yielding the ketol (IV) which is dehydrated by acid catalysis.
ChemInform Abstract: Synthesis and Transannular Diels‐Alder Reaction of a 13‐Membered Macrocyclic Triene Having a Tetrasubstituted Enol Ether as Dienophile.
Authors: BERUBE G. , DESLONGCHAMPS P.
Published: May 2016

The title reaction only proceeds with the triene (VII) and fails with the analogue derived from the compound (VIb).
ChemInform Abstract: Synthesis of 1‐(Phenylsulfonyl)indol‐3‐yl Trifluoromethanesulfonate.
Authors: CONWAY S. C. , GRIBBLE G. W.
Published: May 2016

Oxidation of 1‐phenylsulfonylindole (I) with magnesium monoperphthalate yields 1,2‐dihydro‐1‐(phenylsulfonyl)‐3H‐indol‐3‐one (II) which is converted into the 3‐indolyl trifluoromethanesulfonate (IV) by treatment with triflic anhydride (III).
ChemInform Abstract: Synthesis and Cycloaddition Reactions of N‐Phenyl‐C‐styrylmethanohydrazonyl Bromide.
Authors: HASSANEEN H. M. , SHAWALI A. S. , ELWAN N. M.
Published: May 2016

Treatment of the cinnamoylphenylhydrazine (I) with carbon tetrabromide and triphenylphosphine yields the hydrazonyl bromide (II) mentioned in the title.
ChemInform Abstract: 1‐Amino‐ and 1,3‐Diaminoimidazolium Salts.
Authors: LINK H. , KLOETZER W. + , KARPITSCHKA E. M. , MONTAVON M. , MUESSNER R. + , SINGEWALD N.
Published: May 2016

The amination of water‐soluble imidazoles such as (I) is achieved with the hydroxylamine‐O‐sulfonate (II) to give mixtures of the mono‐ and diaminated products (III) and (IV) (yields not given).
ChemInform Abstract: 1,3,4‐Thiadiazoles by Reaction of Dithiocarboxylic Esters with Carbonic Hydrazides.
Authors: THIEL W. , MAYER R.
Published: May 2016

The title reaction between esters of type (I)/(VII) (about 20 examples) and the carbonic hydrazides (II), (VIII) and (X) leads to thiadiazole derivatives.
ChemInform Abstract: Chromone Studies. Part 2. An Efficient Synthesis of N,N‐Dimethylchromone‐2‐carboxamides.
Authors: DAVIDSON D. N. , KAYE P. T.
Published: May 2016

An effective synthesis of the target compounds (IV) is developed consisting in the reaction of the chromonecarboxylic chlorides (II) with free dimethylamine generated in situ from its hydrochloride (III) in pyridine.
ChemInform Abstract: A Convenient Synthesis of 3‐Aryl‐1,2,4‐triazolo(4,3‐c)quinazolines.
Authors: EL‐KERDAWY M. M. , ISMAIEL A. E.‐K. M. , GINEINAH M. M. , GLENNON R. A.
Published: May 2016

Title compounds such as (IV) (9 examples) are synthesized by a general method in order to test their antiinflammatory activity.
ChemInform Abstract: Synthesis and Reductions of cis‐ and trans‐1,4,4a,6,7,8,9,11a‐Octahydropyrido(2,1‐b)quinazolin‐11‐one.
Authors: FUELOEP F. + , HUBER I. , BERNATH G. , TOTH G. , PRICKEN A. , PFLEGEL P.
Published: May 2016

cis‐2‐Amino‐4‐cyclohexenecarboxylic acid (I) undergoes cyclocondensation with O‐methyl‐δ‐valerolactim (II) to give the cis‐fused octahydropyridoquinazolinone (III) which is hydrogenated with sodium boranate or catalytically to form the tricyclic compounds (IV) or (V).
ChemInform Abstract: New Tricyclic Compounds: Pyrido(2′,3′:4,5)‐ and Pyrido(3′,2′:4,5)imidazo(1,2‐a)pyrimidines.
Authors: DESCOURS D. , FESTAL D.
Published: May 2016

Catalytic hydrogenation of the 2‐amino‐3‐nitropyridines (I) and (VI) and subsequent cyclization reaction with the dichloro imines (II) or (VII) yield the imidazopyridines (III) or (VIII) which undergo intramolecular ring‐closure upon heating or treatment with acids and subsequent thermolysis, forming the tricyclic pyrimidone derivatives (IV) or (IX).
ChemInform Abstract: Synthesis of 8‐Nitro‐ and 7‐Methoxy‐8‐nitro‐1,2,4‐triazolo(1,5‐c)pyrimidines.
Authors: ROUSSEAUX O. , BLONDEAU D. , SLIWA H.
Published: May 2016

4‐Hydrazino‐5‐nitropyrimidine (I) reacts with triethyl orthoformate (II) to produce the ethoxymethylenehydrazine (III) or the nitrotriazolopyrimidine (IV), depending on the temperature.
ChemInform Abstract: Synthesis of Aromatic Chloroberbines.
Authors: MEMETZIDIS G. , STAMBACH J.‐F. , JUNG L.
Published: May 2016

3,4‐Dimethoxyphenylacetyl chloride (I) reacts with the N‐(aminoethylphenyl) carbamates (II) in chloroform to give the carboxamides (III) which are converted into the chlorotetrahydrodibenzoquinolizines (VII) as outlined in the reaction scheme.
ChemInform Abstract: The Synthesis of 6‐C‐Substituted Purines via α‐(Aminomethylene)‐6‐purineacetonitrile.
Authors: HAMAMICHI N. , MIYASAKA T.
Published: May 2016

6‐Chloropurine (I) is coupled with malononitrile (II) in dimethyl sulfoxide to give the dicyanomethylene derivative (III) which is converted into the α‐cyano enamine (IV) by catalytic hydrogenation.
ChemInform Abstract: Synthetic Reactions and Structural Studies of Heterocycles Containing Nitrogen. Part 3. A Facile Synthesis of Novel Triazoloquinoxalinones and Triazinoquinoxalinones.
Authors: RASHED N. , EL MASSRY A. M. , EL ASHRY E. S. H. , AMER A. , ZIMMER H.
Published: May 2016

The novel title ring systems (cf.
ChemInform Abstract: Reaction of Lithium Derivatives of 4‐Alkyl‐3‐morpholinones with Azomethine Compounds.
Authors: DOBREV A. , NECHEV L. V. , IVANOV C.
Published: May 2016

The 1,4‐oxazinones (I) and (IV) are deprotonated with LDA and then coupled with the imines (II) or (V) to produce the aminomethylated derivatives (III) or (VI).
ChemInform Abstract: Methyllithium as a Convenient Deacylating Agent of Alkoxycarbonyl and Benzoyl Protected Secondary Hydrazides. Applications in the Field of Azetidinodiazepines and of Their Photoisomers.
Authors: TSCHAMBER T. , STREITH J.
Published: May 2016

Treatment of the cyclic N‐ethoxycarbonyl hydrazides (I) or (XII) with methyllithium followed by aqueous work‐up yields the diazabicyclononadienones (II) or the oxodiazatricyclononene (XIII).
ChemInform Abstract: Water‐Soluble Metal Complexes and Catalysts. Part 3. New Water‐Soluble Metal Complexes of the Sulfonated Triphenylphosphane: Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Ag, Au.
Authors: HERRMANN W. A. , KELLNER J. , RIEPL H.
Published: May 2016

Twenty‐four complexes of the title ligand (see preceding paper) are synthesized from readily accessible precursor compounds and isolated pure by gelpermeation chromatography.
ChemInform Abstract: A 31P NMR Study of Reactions of 2,3‐Bis(diphenylphosphino)‐6‐phenyl‐λ3‐phosphinine with Sulfur: Formation, Characterization, and Further Reaction of a Stable Phosphinine 1‐Sulfide.
Authors: HUGHES A. N. , KNUDSEN K. L.
Published: May 2016

Treatment of the λ3‐phosphinine (I) with sulfur in benzene results in the formation of the diphenylthiophosphinoyl‐λ3‐phosphinine (II) and the dihydrophosphinine sulfide (III).
ChemInform Abstract: Iron Complexes of 1,1′‐Bis(diphenylphosphino)ferrocene (BPPF) as Efficient Catalysts in the Synthesis of Carbamates. X‐Ray Crystal Structure of (BPPF)Fe(CO)3.
Authors: KIM T.‐J. , KWON K.‐H. , KWON S.‐C. , BAEG J.‐O. , SHIM S.‐C. , LEE D.‐H.
Published: May 2016

The product distribution of the three new complexes (III) (space group P21/c, Z=4), (IV) and (V) depends upon the reaction conditions.
ChemInform Abstract: Unprecedented Imido‐Bridged Binuclear Cobalt(III) Complex: Synthesis and Molecular Structure of p‐(Co2(μ‐(μ2‐N:η1‐O,O′)‐imidomalonato)(tren)2)(ClO4)3·H2O.
Authors: KOJIMA T. , HIDAI M. , KURODA R. , YANO S.
Published: May 2016

(III) crystallizes in P21/n with Z=4, a formation mechanism is presented.
ChemInform Abstract: Crystal Structure and Reactivity of (Cu(dmpe)2)(Cu(Co(CO)4)2) (dmpe: 1,2‐Bis(dimethylphosphino)ethane): Staggered and Eclipsed Conformations of ((CO)4CoCuCo(CO)4)‐ Anions.
Authors: DARENSBOURG D. J. , CHAO C.‐S. , REIBENSPIES J. H. , BISCHOFF C. J.
Published: May 2016

The title complex (IV) (space group C2/c, Z = 8) is obtained by equimolar reaction of NaCo(CO)4 (I), CuCl (II), and the diphosphine (III).
ChemInform Abstract: Structure and Reactivity of a (Triphenylsilyl)rhodium(I) Compound.
Authors: THORN D. L. , HARLOW R. L.
Published: May 2016

The formation of the silyl‐Rh(I) complex (III) (space group P21/n, Z=4) occurs probably via the intermediate hydrido(methyl)(triphenylsilyl)tris(trimethylphosphine)‐Rh(III).
ChemInform Abstract: Indene in a Novel Bonding Mode in a Carbonyl Cluster: Isolation, Characterization, and Crystal and Molecular Structure of (HOs4(CO)9(C9H6)(C9H7)).
Authors: CHEN H. , FAJARDO M. , JOHNSON B. F. G. , LEWIS J. , RAITHBY P. R.
Published: May 2016

In the reaction of indene (I) with Os3(CO)12 (II) at 170 °C, the new complex (III) (space group P21/c, Z=4) is obtained.
ChemInform Abstract: Synthesis of α‐Trifluoromethyl‐Substituted α‐Amino Acids. Part 7. An Efficient Synthesis of α‐Trifluoromethyl‐Substituted ω‐Carboxy α‐Amino Acids.
Authors: BURGER K. , GAA K.
Published: May 2016

The acylimines (I) of trifluoropyruvate is coupled with the ω‐alkenyl Grignard compounds (II) to produce the N‐protected amino acid esters (III).
ChemInform Abstract: An Expeditious Synthesis of (3S,4S)‐Statine and (3S,4S)‐Cyclohexylstatine.
Authors: TAKEMOTO Y. , MATSUMOTO T. , ITO Y. , TERASHIMA S.
Published: May 2016

The amino acids (I) and (V) are converted to the aldehydes (IV).
ChemInform Abstract: Syntheses of (2S,4S)‐ and (2S,4R)‐4‐Substituted Glutamic Acid Analogues for Neuroexcitatory Activity Studies.
Authors: HON Y.‐S. , CHANG Y.‐C. , GONG M.‐L.
Published: May 2016

The pyrrolidinones (IV), prepared from the protected hydroxymethylpyrrolidinone (II), undergo ring cleavage upon treatment with lithium hydroxide to form the amino acid derivatives (V).
ChemInform Abstract: NAD(P)+‐NAD(P)H Models. Part 71. A Convenient Route to the Synthesis of Juvabione.
Authors: FUJII M. , AIDA T. , YOSHIHARA M. , OHNO A.
Published: May 2016

Hantzsch ester (HEH), already studied as a model of NAD(P)H, was found to be a mild and selective reducing agent for organic synthesis.
ChemInform Abstract: A Highly Stereoselective Synthesis of Methoxycarbonyl‐Substituted Exocyclic Enol Ethers: A Synthesis of 5‐Methoxycarbonylprostacyclin.
Authors: TAKAHASHI A. , YAMAMOTO C. , SHIBASAKI M.
Published: May 2016

The butenyloxabicyclooctene (I) is hydrogenated in toluene to give the butylideneoxabicyclooctane (II) as the main product.
ChemInform Abstract: Total Syntheses of (+)‐ and (‐)‐Didemnenones A and B. Antiselectivity in the Intramolecular Carbomercuration Reaction.
Authors: FORSYTH C. J. , CLARDY J.
Published: May 2016

The chiral cyclopentenone (I), available from (2S,3S)‐tartaric acid, serves as the starting material in the preparation of the title compounds (+)‐(XIV) and (+)‐(XV).
ChemInform Abstract: Synthesis of (.+‐.)‐11,O(3)‐Dihydropseudopterolide.
Authors: PAQUETTE L. A. , RAYNER C. M. , DOHERTY A. M.
Published: May 2016

Chromous chloride induced cyclization of the aldehyde (X) leads stereoselectively to the title compound (XI).
ChemInform Abstract: Synthesis of (+)‐Phyllanthocin by a Metal‐Catalyzed Cycloreduction.
Authors: TROST B. M. , EDSTROM E. D.
Published: May 2016

The ketone (V), which is a precursor of the biologically active title compound (+)‐(VI), is synthesized by a simple pathway.
ChemInform Abstract: Structure of a Synthetic Taxol Precursor: N‐tert.‐Butoxycarbonyl‐10‐deacetyl‐N‐debenzoyltaxol.
Authors: GUERITTE‐VOEGELEIN F. , GUENARD D. , MANGATAL L. , POTIER P. , GUILHEM J. , CESARIO M. , PASCARD C.
Published: May 2016

An X‐ray analysis of the title compound (Ia) (space group P21; Z=2) is carried out in order to elucidate the stereochemistry at C2' and C3', connected with the biological activity.
ChemInform Abstract: Electron Spin Resonance
Authors: NARAYANA M.
Published: May 2016

Review: (121 refs.
ChemInform Abstract: Nonstoichiometry and Mixed Conduction in α‐Ta2O5.
Authors: CHOI G. M. , TULLER H. L.
Published: May 2016

The electrical conductivity of single‐ and polycrystalline α‐Ta2O5 is measured as a function of composition, temp., and oxygen partial pressure, P(O2).
ChemInform Abstract: Zinc Electrowinning Under Periodical Reverse Current (PRC). Behavior of the Cathode and Effects of Lead Impurities.
Authors: PIRON D. L. , MASSE N. , BERUBE L. PH.
Published: May 2016

Zinc electrowinning under PRC is carried out in acidic zinc sulfate solution containing 0.3‐15 mg/l Pb2+.
ChemInform Abstract: Hydrothermal Preparation of Calcium Hydroxyapatite Powders.
Authors: HATTORI T. , IWADATE Y.
Published: May 2016

A Ca10(PO4)6(OH)2 powder is prepared by hydrothermal treatment (673 K, 70 MPa, 1 h) of a stoichiometric mixture of Ca2P2O7 and CaO.
ChemInform Abstract: Processing of Amorphous Calcium Aluminate Powders at < 900 °C.
Authors: UBEROI M. , RISBUD S. H.
Published: May 2016

Highly reactive, X‐ray amorphous Ca‐aluminate powders are prepared by the sol‐gel process using aluminum di‐sec‐butoxide acetoacetic ester chelate and Ca(NO3)2 as precursors.
ChemInform Abstract: Strontium Hexavanadates.
Authors: GOLOVKIN B. G.
Published: May 2016

Treatment of an 8:1 mixture of V2O5 and Sr3V2O8 with 30% H2O2 and subsequent heating of the products to 350‐400 °C for 300‐400 h affords novel anhydrous vanadatovanadates of the general formula SrV65+‐xV4+ xO16‐0.5x (x = 0.3, 0.4 and 0.6).
ChemInform Abstract: Enol Radical Cations in Solution. Part 1. Stability and Cyclization of Enol Radical Cations: A Mechanistic Study of One‐Electron Oxidation of β,β‐Dimesityl Enols.
Authors: SCHMITTEL M. , BAUMANN U.
Published: May 2016

The position of the ketone (I)/enol (II) equilibrium is reversed by one‐electron oxidation not only in the gas phase (as already known) but also in solution (cyclovoltammetry; ΔG° (II)·+ → (I)·+ = ‐17.7 and ‐25.7 kcal/mol, respectively).
ChemInform Abstract: The Chemistry of Acylated Quinonimine Acetals. Nucleophilic and Organolithium Addition Reactions.
Authors: SWENTON J. S. , BONKE B. R. , CLARK W. M. , CHEN C.‐P. , MARTIN K. V.
Published: May 2016

The addition of nucleophiles such as (II) to N‐acyl‐p‐benzoquinonimine acetals (I) under acidic conditions yields mixtures of the 2‐ and 3‐substituted products (III) and (IV).
ChemInform Abstract: Direct Evidence for a Nitrile Imine‐Imidoylnitrene Rearrangement: X‐Ray Crystal Structure of an Unusual Nitrene Complex.
Authors: GRANIER M. , BACEIREDO A. , GRUETZMACHER H. + , PRITZKOW H. , BERTRAND G.
Published: May 2016

The compound (III) (space group P21/n; Z=4) is formed via nitrile imine‐imidoylnitrene rearrangement on reaction of the nitrile imine (I) with the benzoquinone (II).
ChemInform Abstract: Photolysis of Nitro‐β,γ‐alkenes: Nitro‐2,5‐cyclohexadienes.
Authors: FISCHER A. , IBRAHIM P. N.
Published: May 2016

Photolysis of the nitrocyclohexadienes (I) in MeOH gives the hydroxy compounds (II) with retention of the stereochemistry.
ChemInform Abstract: Photochemical Bromination of Arenes. Part 2. Fluorobenzene Derivatives.
Authors: BOLTON R. , OWEN E. S. E.
Published: May 2016

Photochemical bromination of fluorobenzenes such as (I) gives the corresponding fluorohexabromocyclohexanes (II).
ChemInform Abstract: Preparation of Optically Pure (3S,5S)‐ and (3R,5R)‐2,6‐Dimethyl‐3,5‐heptanediol.
Authors: SUGIMURA T. , YOSHIKAWA M. , YONEDA T. , TAI A.
Published: May 2016

Optically pure title compounds (II) are prepared by an enantiodifferentiating hydrolysis of the dione (I) over tartaric acid‐NaBr‐modified Raney‐Ni catalyst, and the preferential recrystallization of the hydrogenation product.
ChemInform Abstract: An Efficient Synthesis of α,β‐Unsaturated Carboxylic Acids and Nitriles.
Authors: LEE C. K. , SHIM J. Y.
Published: May 2016

Condensation reaction of the aldehydes (Ia) ‐ (Id) with malonic acid (II) or cyanoacetic acid (IV) at 190°C in a stainless steel bomb reactor produces the title compounds (III) or (V).
ChemInform Abstract: Mild and Efficient Conversion of Allylic Alcohols to Xanthates.
Authors: SURYAWANSHI S. N. , RANI A. , BHAKUNI D. S.
Published: May 2016

The allylic alcohols (I) react with carbon disulfide (II) in a two‐phase system containing sodium hydroxide powder and are subsequently treated with methyl iodide (III) to form the allyl xanthogenates (IV).
ChemInform Abstract: 2,2‐Dichlorovinyl Chloroformate.
Authors: BOWMAN M. P. , OLOFSON R. A. , SENET J.‐P. , MALFROOT T.
Published: May 2016

Coupling of chloral or bromal (I) with phosgene (II) yields the tetrahaloethyl chloroformates (III) which are subjected to zinc dust mediated elimination, producing the 2,2‐dihalovinyl chloroformates (IV).
ChemInform Abstract: Synthesis and Properties of Vinylogous 6‐(Cyclopentadienyl)pentafulvenes.
Authors: EIERMANN M. , STOWASSER B. , HAFNER K. , BIERWIRTH K. , FRANK A. , LERCH A. , REUSSWIG J.
Published: May 2016

Reaction of the compounds (I) and (II) and subsequent hydrolysis of the salts (III) yield the pentafulvenes (IV) which are stabilized by the tert.‐butyl groups.
ChemInform Abstract: New Methodologies: Fluorodemetalation of Organogermanium, ‐tin, and ‐lead Compounds. Applications with Organometallic Sulfides to Produce Highly Active Anions and Spectroscopic Evidence for Pentavalent Intermediates in Substitution at Tin.
Authors: GINGRAS M. , CHAN T. H. , HARPP D. N.
Published: May 2016

Reaction of alkyl halides such as (I) with bis(trialkylstannyl) sulfides such as (II) in the presence of fluoride yields the corresponding dialkyl sulfides, e.g. (III).
ChemInform Abstract: Highly Reactive Sulfinates. The Synthesis, Solvolysis and Rearrangement of Benzyl Trichloromethanesulfinates.
Authors: BRAVERMAN S. , DUAR Y.
Published: May 2016

The benzyl trichloromethanesulfinates (trichlinates) (II) are easily prepared from sulfenates (I); further oxidation to sulfonates does not take place.
ChemInform Abstract: A New Intramolecular Aldol‐Based Route to Benzannelated Bicyclo(3.3.1)nonane Derivatives.
Authors: TAYLOR R. J. K. , TURNER S. M. , HORWELL D. C.
Published: May 2016

Cyclohexane‐1,4‐dione ethylene acetal (I) is coupled with 2‐lithiobenzaldehyde ethylene acetal (II) in tetrahydrofuran to give the arylcyclohexanol (III) which is methylated and then cyclized by treatment with an acid, producing the hydroxymethoxytricyclotridecatrienone (V).
ChemInform Abstract: A Convenient Synthesis of 2,3‐Dibromoanthracene.
Authors: AKULA M. R.
Published: May 2016

Isobenzofuran (II), obtained by treatment of the acetal (I) with LDA, reacts with 4,5‐dibromobenzyne, generated in situ from 1,2,4,5‐tetrabromobenzene (III) and methyllithium, to form the oxa‐bridged compound (IV).
ChemInform Abstract: Polyarylenes and Polyarylenevinylenes. Part 2. Oligorylene as a Model for “Poly(perinaphthalene)”.
Authors: BOHNEN A. , KOCH K.‐H. , LUETTKE W. + , MUELLEN K. +
Published: May 2016

With poly(perinaphthalene) as an interesting organic structure of type (I) (R: ‐H) in mind, the first three (alkylated) homologues (Ia)‐(Ic) are prepared via oligonaphthylenes (II).
ChemInform Abstract: Tributyltin Hydride Addition to Nitroalkenes: A Convenient Procedure for the Conversion of Nitroalkenes into Nitroalkanes and Carbonyl Compounds.
Authors: PALOMO C. , AIZPURUA J. M. , COSSIO F. P. , GARCIA J. M. , LOPEZ M. C. , OIARBIDE M.
Published: May 2016

Addition of tributyltin hydride to nitroalkenes such as (I) followed by acidic hydrolysis yields the corresponding nitroalkanes such as (II).
ChemInform Abstract: Synthesis of Butenolides via Palladium‐Promoted Cyclization of Acyclic Allylic Esters of Chloromercurioacetic Acid.
Authors: LAROCK R. C. , STINN D. E. , KUO M. Y.
Published: May 2016

Starting with the cyclohexenone (I), the chloromercurioacetic acid allylic ester (VI) is synthesized which is converted to the butenolide (VII) with stoichiometric amounts of lithium tetrachloropalladate(II).
ChemInform Abstract: Nitration Studies of Naphtho(2,3‐c)(1,2,5)thiadiazole.
Authors: SMITH W. T. JUN. , PATTERSON J. M. , KOVELESKY A. C.
Published: May 2016

Nitration of the title compound (I), which is regarded to be an anthracene analogue, affords the 5‐nitro derivative (III) instead of the expected 4‐nitro isomer.
ChemInform Abstract: Synthesis of Mannich Compounds from Flavanones.
Authors: LITKEI G. , PATONAY T. , KARDOS J.
Published: May 2016

Condensation reaction of the flavanones (I) with dimethylformamide dimethyl acetal (II) leads to the formation of the enaminones (III).
ChemInform Abstract: Studies in the Pyridine Series. Part 59. Synthesis and Reactions of Novel 1,3‐Dipyridinyl‐1,3‐propanediones.
Authors: FERLES M. , LIBOSKA R. , TRSKA P.
Published: May 2016

The novel "unsymmetric" title compounds (III) are prepared by Claisen condensation of the pyridinecarboxylates (I) with the acetylpyridines (II).
ChemInform Abstract: Stereoselective Addition of t‐Butyldimethylsiloxy‐1‐ethoxyethene to 2‐Trichloromethyl‐1,3‐dioxan‐4‐ones.
Authors: HOMMA K. , MUKAIYAMA T.
Published: May 2016

The reaction of 2‐trichloromethyl‐1,3‐dioxan‐4‐ones (I) and (V) with the ketene acetal (II) in the presence of tritylium hexachloroantimonate as the catalyst is investigated.
ChemInform Abstract: Intramolecular Cyclization of 4‐Acetyl‐2,2‐diethoxycarbonyl‐2,3‐dihydro‐1‐(2‐nitrobenzoyl)pyrrole by Catalytic Reduction.
Authors: DE CAPRARIIS P. , DE MARTINO G. , ABIGNENTE E. , SACCHI A.
Published: May 2016

Catalytic hydrogenation of the title compound (I) causes intramolecular cyclization to afford the products (II)‐(V).
ChemInform Abstract: Polycyclic N‐Hetero Compounds. Part 32. Synthesis and Antidepressive Evaluation of B‐Homo‐11,13,15‐triazasteroids and Their Precursors.
Authors: HIROTA T. , SASAKI K. , IENO K. , SEKIYA Y. , NAKAYAMA T.
Published: May 2016

Cyclization of readily available condensation products such as (III) with PCl3 followed by basic treatment afford heterocyclic compounds such as (V) as free bases which, however, resist crystallization.
ChemInform Abstract: Regiospecific Radical‐Induced Cleavage of Aziridines: Syntheses of Allylic Amines and Pyrrolidines.
Authors: DICKINSON J. M. , MURPHY J. A.
Published: May 2016

Isophorol (I) reacts with the 3‐aminoquinazolinone (II) in the presence of lead tetraacetate to yield the fused hydroxyaziridine (III) which is coupled with thiocarbonyldiimidazole (IV), forming the thiocarbamate (V).
ChemInform Abstract: Cationic TBP Silicon: A Stable Intermediate in the Proton‐Assisted Departure of an Equatorial Substituent.
Authors: WONING J. , DANIELS L. M. , VERKADE J. G.
Published: May 2016

Treating the azasilatrane (I) with Me3SiN3 (II) results in the formation of the protonated product as its azide (III) and additionally of the silylated derivatives (IV).
ChemInform Abstract: A First Step Toward the Phosphorus Analogues of Polythiophenes.
Authors: BEVIERRE M.‐O. , MERCIER F. , RICARD L. , MATHEY F.
Published: May 2016

Tetramerization with α‐thienyl migration to give (IV) (space group P1, Z=4) and subsequent cleavage of the P‐P bonds of the dimer afford access to the biphospholyl dianion (V) which is isoelectronic with α‐sexithienyl.
ChemInform Abstract: Dicobalt Complexes with syn‐ and anti‐Coordinated μ‐Cycloheptatriene Bridges.
Authors: WADEPOHL H. , GALM W. , PRITZKOW H.
Published: May 2016

Despite their similar composition, the two cycloheptatriene‐bridged dinuclear complexes (III) and (VI) (space group C2/c, Z=4), which are similarly accessible as shown, have very different structures.
ChemInform Abstract: Asymmetric Heterodinuclear Complexes (L′Ru(μ‐O)(μ‐CH3CO2)2ML)2+ (M: Fe, Mn, V): Electronic Structure and Magnetic Properties.
Authors: HOTZELMANN R. , WIEGHARDT K. , FLOERKE U. + , HAUPT H.‐J.
Published: May 2016

Strong antiferromagnetic coupling or intramolecular electron transfer is found in the title complexes (IV) synthesized as shown.
ChemInform Abstract: Halogen Effect on the Ring Opening of Pulegone Hydrohalides.
Authors: SHULL B. K. , KOREEDA M.
Published: May 2016

(R)‐(+)‐Pulegone (I) is treated with dry hydrogen chloride to produce a mixture of the unstable stereoisomeric adducts (II) and (III) of which the trans isomer (II) is predominant.
ChemInform Abstract: An Improved Method for the Preparation of Desoxopeptides. Reductions of Endothiopeptides.
Authors: GUZIEC F. S. JUN. , MAYER WASMUND L.
Published: May 2016

Diprotected dipeptides such as (I) are converted to the corresponding endothiopeptides such as (III), which undergoes reduction with nickel boride, generated in situ from sodium boranate and nickel chloride hexahydrate, to form the deoxopeptide (IV).
ChemInform Abstract: General Approach to the Synthesis of Macroline‐Related Alkaloids. Stereospecific Total Synthesis of (‐)‐Alstonerine.
Authors: ZHANG L. H. , COOK J. M.
Published: May 2016

The title compound (VII) is prepared via a route which is amenable to the synthesis of alstophylline.
ChemInform Abstract: Synthesis of Protopine. A Novel Conversion of the Protoberberine Alkaloid Stylopine to a Tetrahydrodibenz(c,g)azecine Derivative.
Authors: KULKARNI B. K. , DHAR R. K. , DE SOUZA N. J.
Published: May 2016

Stylopine (I) is converted to the quaternary salt (III) by a modified procedure, which works at room temperature.
ChemInform Abstract: Rotational Isomerism in 6‐β‐D‐Glucopyranosides of Methyl‐1,2,6‐thiadiazin‐3(2H)‐one 1,1‐Dioxides.
Authors: GOYA P. , MARTINEZ A. , JIMENO M. L.
Published: May 2016

The glucopyranosides (IV), (V), (VI), and (VIII) of the title compound (I) are prepared.
ChemInform Abstract: Synthesis of Carbocyclic Clitocine.
Authors: PALMER C. F. , PARRY K. P. , ROBERTS S. M.
Published: May 2016

The target compound (X) is prepared from cyclopentadiene (I) in eleven steps.
ChemInform Abstract: Addition of Carbon Radicals to 4′,5′‐Unsaturated Uracil Nucleosides by the Use of Organoselenium Reagents: A New Stereoselective Entry to C‐C Bond Formation at the 5′‐Position.
Authors: HARAGUCHI K. , TANAKA H. , MIYASAKA T.
Published: May 2016

The unsaturated uracil nucleosides (I) undergo radical‐induced reaction with the phenyl selenides (II) to form mixtures of the stereoisomeric derivatives (III) and (IV) depending on the substitution pattern at the protecting groups in the sugar moiety.
ChemInform Abstract: Stereospecific Synthesis of Racemic cis‐ and trans‐6‐Trifluoromethylshikimic Acids.
Authors: LEROY J. , FISCHER N. , WAKSELMAN C.
Published: May 2016

Two unnatural derivatives (±)‐(V) and (±)‐(XI) of shikimic acid (‐)‐(XII) are synthesized via the base‐promoted opening of furan Diels‐Alder adducts bearing a CF3 group.
ChemInform Abstract: Oligomeric Flavanoids. Part. 14. Proguibourtinidins Based on (‐)‐Fisetinidol and (+)‐Epifisetinidol Units.
Authors: MALAN J. C. S. , STEYNBERG P. J. , STEYNBERG J. P. , YOUNG D. A. , BEZUIDENHOUDT B. C. B. , FERREIRA D.
Published: May 2016

The three novel proguibourtinidins (I)‐(III) are isolated from the heartwood of Colophospermum mopane.
ChemInform Abstract: A New Synthesis of DL‐5‐Vinyloxazolidine‐2‐thione, a Natural Antithyroid Factor.
Authors: GARDRAT C. , LATXAGUE L. , PICARD J. P.
Published: May 2016

The title compound goitrin (V) is prepared by a novel procedure.
ChemInform Abstract: New Synthetic Strategies for the Construction of Medium‐Size Cyclic Ethers. Stereocontrolled Synthesis of the BCD Ring Framework of Brevetoxin A.
Authors: NICOLAOU K. C. , MCGARRY D. G. , SOMMERS P. K.
Published: May 2016

The title ring system (XI) of the neurotoxin brevetoxin A is appropriately functionalized for further elaboration.
ChemInform Abstract: Reactivity of Ceramic Superconductors with Palladium Alloys.
Authors: PORTER J. L. , VETHANAYAGAM T. K. , SNYDER R. L. , TAYLOR J. A. T.
Published: May 2016

The applicability of various Pd‐Au and Pd‐Ag alloys as a nonreactive material for the processing of ceramic superconductors is studied.
ChemInform Abstract: Properties of Yttria‐Aluminoborate Glasses.
Authors: RUTZ H. L. , DAY D. E. , SPENCER C. F. JUN.
Published: May 2016

The refractive index, density, microhardness, chemical durability, thermal expansion, and dc electrical resistivity are measured for nine glasses in the Y2O3‐Al2O3‐B2O3 (YAB) system containing 50‐65 mol% B2O3.
ChemInform Abstract: Electroluminescence Cells Based on the Lamellar Solid Hydrogen Uranyl Phosphate
Authors: DIECKMANN G. R. , ELLIS A. B. , HELLSTROM E. E.
Published: May 2016

, HUO2PO4·4 H2O (HUP), are constructed and the intensity of the ac‐induced electroluminescence (EL) is measured as a function of sample thickness, ac frequency, and applied voltage.
ChemInform Abstract: Synthesis and Magic‐Angle Spinning Nuclear Magnetic Resonance of 15N‐Enriched Silicon Nitrides.
Authors: HARRIS R. K. , LEACH M. J. , THOMPSON D. P.
Published: May 2016

Samples of α‐Si315N4 (I) are prepared by nitridation of Si powder seeded with 5 wt.% α‐Si3N4 in a 15N2/H2 (10:1 vol.
ChemInform Abstract: The Use of Sodium Ion Conducting Glasses in Na/S(IV) Molten Chloroaluminate Electrochemical Cells.
Authors: ORCHARD S. W. , SATO Y. , SCHOEBRECHTS J.‐P. , MAMANTOV G.
Published: May 2016

The performance of a sodium conducting glass (40.7% Na2O, 40.2% SiO2, 10.8% Al2O3, 8.3% ZrO2) used as membrane separator in a Na/S(IV) chloroaluminate cell is studied.
ChemInform Abstract: Stabilities of Reference Electrodes in Molten Na2SO4 at 1200 K.
Authors: HWANG Y.‐S. , RAPP R. A.
Published: May 2016

The long‐term stability of several Na+ and O2‐ ion selective electrodes (e.g.
ChemInform Abstract: The Oxidation of Iodide by the Tetrahydroxoargentate(III) Ion in Aqueous Alkaline Media
Authors: KOUADIO I. , KIRSCHENBAUM L. J. , MEHROTRA R. N.
Published: May 2016

rapidly gives hypoiodite and Ag(I) according to the stoichiometric equation shown in the scheme.
ChemInform Abstract: Effect of Structural Modification on the Catalytic Property of Mn‐Substituted Hexaaluminates.
Authors: MACHIDA M. , EGUCHI K. , ARAI H.
Published: May 2016

The effect of partial substitution of the mirror plane cations in Mn‐substituted hexaaluminates (A1‐xBxMnAl11O19‐y with A: Ba, Sr, Ca, La, K and B: Sr, La, K, Ca) on the catalytic activity for the combustion of methane and the specific surface area is studied.
ChemInform Abstract: A New Li2O Variant, β‐Na5InO4,
Authors: GLAUM H. , HOPPE R.
Published: May 2016

is prepared in form of colorless single crystals as outlined in the scheme.
ChemInform Abstract: A New Strontium Oxometallate: Sr9Zn4Cu2O14, Containing Sr2+ in Face Connected Octahedra.
Authors: BOEHLKE A. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

Single crystals of the title oxozincate cuprate, prepared in a closed Cu tube from SrO, Cu2O, and ZnO (4.5:0.5:2; 950 °C, 24 h), belong to the monoclinic space group C2/m with Z=2.
ChemInform Abstract: Functional Group Interactions Apparent in the Electron Ionization Mass Spectra of Some Substituted cis‐1,3‐Cyclopentanedicarboxylic Acids and Their Derivatives.
Authors: VAINIOTALO P. , MAELKOENEN P. J. +
Published: May 2016

Electron ionization mass spectra of cis‐1,3‐cyclopentanedicarboxylic acids such as (I) and various derivatives are recorded.
ChemInform Abstract: Conformational Analysis of Formyl‐ and Acetyloxirane. An Experimental and Theoretical Approach.
Authors: BENASSI R. , FOLLI U. , SCHENETTI L. , TADDEI F.
Published: May 2016

Title compounds (Ib) and (II) are investigated by 1H and 13C NMR and theoretical calculations at the MO ab initio level are performed on (Ia) and (II).
ChemInform Abstract: Computational Study of the Structural, Energetical, and Acid‐Base Properties of Calix(4)arenes.
Authors: GROOTENHUIS P. D. J. , KOLLMAN P. A. , GROENEN L. C. , REINHOUDT D. N. , VAN HUMMEL G. J. , UGOZZOLI F. , ANDREETTI G. D.
Published: May 2016

Properties such as mentioned in the title are assessed by various computational methods (MM, AM1, FEP etc.) for nine calix(4)arenes, e.g. (I).
ChemInform Abstract: Rotational Reorientation of the 1‐Adamantyl Cation: A Sensitive Probe of Carbocation‐Medium Interactions.
Authors: KELLY D. P. , LESLIE D. R.
Published: May 2016

The anisotropy of reorientation is independent of precursor (1‐adamantanol or the corresponding chloride), temp. (over the range ‐100 to ‐40 °C), and concentration, but not of the solvent (SO2, SO2ClF).
ChemInform Abstract: Enantioselectivity of Carbonic Anhydrase Catalyzed Hydrolysis of Mandelic Methyl Esters.
Authors: CHENEVERT R. , LETOURNEAU M.
Published: May 2016

The first enantioselective hydrolysis of esters catalyzed by carbonic anhydrase is reported.
ChemInform Abstract: Additions of Aldehydes to Metalated trans‐1,3‐Dithiane S,S‐Dioxide Under Conditions of Kinetic and Thermodynamic Control.
Authors: AGGARWAL V. K. , DAVIES I. W. , MADDOCK J. , MAHON M. F. , MOLLOY K. C.
Published: May 2016

The trans‐1,3‐dithian S,S‐dioxide (II) is prepared by oxidation of dithian (I) with sodium periodate.
ChemInform Abstract: Novel Generation of o‐Quinone Methides on the Basis of Lewis Acid Catalyzed 1,4‐Dithiolation of o‐(1‐(Alkylthio)alkyl)phenols.
Authors: INOUE T. , INOUE S. , SATO K.
Published: May 2016

Treatment of 1‐(alkylthio)alkylphenols with Lewis acids represents a simple and mild procedure to generate o‐quinone methides such as (III) by a 1,4‐dethiolation process.
ChemInform Abstract: 1,3‐Dipolar Cycloadditions of 2‐Ethoxy‐ and 2‐(Ethylthio)‐1‐azetines with Nitrile Oxides and Nitrile Ylides.
Authors: LUHESHI A.‐B. N. , SMALLEY R. K. , KENNEWELL P. D. , WESTWOOD R.
Published: May 2016

The azetines (I), obtained from the corresponding (thio)lactams in a known manner, react with nitrile oxides generated in situ to give the 1,3‐dipolar cycloadducts (III).
ChemInform Abstract: Pyrolysis of Aryl Azides. Part 10. Effects of Azide Concentration on Rate Constants and Product Yields.
Authors: DYALL L. K. , SMITH P. A. S.
Published: May 2016

In the presence of the free‐radical chain inhibitor DBMP, the thermolysis of (I) leads to the amine (III).
ChemInform Abstract: Metal Ion Induced Rearrangements of 1,3,4‐Thiadiazolidine‐2‐thiones. Part 1. The Rearrangements of 3‐Methyl‐5‐(2‐pyridyl)‐ and 3‐Methyl‐5‐(6‐methylpyrid‐2‐yl)‐1,3,4‐thiadiazolidine‐2‐thiones with Nickel(II), Zinc(II) and Cadmium(II) Ions.
Authors: MAJUMDER S. M. M. H. , ALI M. A. , RAHMAN K. M. M. , SMITH F. E.
Published: May 2016

The thiadiazolidine‐2‐thiones (I) react with nickel(II), zinc(II) and cadmium(II) acetates to produce intensely colored, stable complexes.
ChemInform Abstract: Tentative Mechanism for the Bistability Observed During Irradiation of the Triphenylimidazolyl Radical Dimer in a CSTR.
Authors: BORDERIE B. , LAVABRE D. , LEVY G. , MICHEAU J. C. , LAPLANTE J. P.
Published: May 2016

The mechanism of the photochemistry of the radical dimer (I) (already reported briefly in 1988) is studied in more detail in a continuous‐flow stirred tank reactor (CSTR) and key reactions are summarized in a 6‐step mechanism (four of them are given in the scheme).
ChemInform Abstract: Reactions of XeF2. Part 7. Synthesis of 6‐Fluorobiotin Methyl Ester.
Authors: HUANG X. , BLACKBURN B. J. , JANZEN A. F.
Published: May 2016

Fluorination of d‐biotin methyl ester (I) with xenon difluoride results in the formation of the isomeric 6‐fluoro‐d‐biotin esters (II) and (III).
ChemInform Abstract: Evidence in Favor of Lithium‐Halogen Exchange Being Faster Than Lithium‐Acidic Hydrogen (Deuterium) Exchange.
Authors: NARASIMHAN N. S. , SUNDER N. M. , AMMANAMANCHI R. , BONDE B. D.
Published: May 2016

Reaction of the iodo(deuterio‐oxymethyl)quinoline (I) with BuLi (II) affords the 2‐deuterioquinoline (III) with > 50% yield, confirming earlier reports which are questioned by other workers.
ChemInform Abstract: Potential Cerebral Stimulants: Esters of 2‐Dimethylaminoethanol with Some Lipophilic Carboxylic Acids.
Authors: PROTIVA M. , VALENTA V. , KOPICOVA Z. , LUKAC J. , HOLUBEK J. , KREJCI I.
Published: May 2016

The title compounds (III) are converted to crystalline salts (hydrogen fumarates, hydrogen maleates, hydrochlorides) for pharmacological evaluation.
ChemInform Abstract: (E)‐ and (Z)‐Enols of β‐Ketocarboxylic Acid Amides.
Authors: WENGENROTH H. , MEIER H.
Published: May 2016

Addition of the amines (II) or (V) to the ketenes derived from (I) leads to mixtures of the enolized (Z)‐ and (E)‐amides (III) and (IV) or (VI) and (VII).
ChemInform Abstract: Facile Synthesis of β‐Phenylethylamine Derivatives Related to Baclofen via Aziridine Ring Opening.
Authors: ALLAN R. D. , TRAN H. W.
Published: May 2016

The aziridine derivative (I) is obtained from 4‐chlorostyrene.
ChemInform Abstract: A Novel Cyclodimerization of α,β‐Unsaturated Carbonyl Compounds Promoted by Ytterbium Metal.
Authors: TAKAKI K. , BEPPU F. , TANAKA S. , TSUBAKI Y. , JINTOKU T. , FUJIWARA Y.
Published: May 2016

Treatment of chalcone (I) with metallic ytterbium and subsequent work‐up with water or deuterium oxide produce a mixture of the benzoyltriphenylcyclopentanols (III) and the ketones (IV).
ChemInform Abstract: Preparation of Sterically Crowded t‐Butylfurans by Direct t‐Butylation and Cyclization of t‐Butyl Substituted 1,4‐Diketones. Selective Dehydrodimerization of Neopentyl Ketones by Lead Dioxide.
Authors: WYNBERG H. , WIERSUM U. E.
Published: May 2016

Alkylation of the dialkylfurans (I) and (IV) with tert‐butyl chloride (II) in the presence of aluminum chloride yields the tert‐butylfurans (III) and (V) respectively.
ChemInform Abstract: Unsymmetrical and Highly‐Conjugated Tetrathiafulvalene and Selenatrithiafulvalene Derivatives: Synthesis and Reactions of Novel Heterocyclic Wittig‐Horner Reagents.
Authors: BRYCE M. R. , MOORE A. J. , LORCY D. , DHINDSA A. S. , ROBERT A.
Published: May 2016

Coupling reaction of anthrone (I) with the 1,3‐dithiolium tetrafluoroborates (II) yields the semiquinones (III) which are coupled with the phosphonates (IV) or (VI) in the presence of butyllithium to give the anthracenediylidenebisdithioles (V) or the analogous selenatrithiafulvalenes (VII).
ChemInform Abstract: Fluorinated Acetylenes. Part 7. Preparation and Some Reactions of 4,4,4‐Trifluorobut‐2‐ynoic Acid and 1‐Phenyl‐4,4,4‐trifluorobut‐2‐yn‐1‐ol.
Authors: TAJAMMAL S. , TIPPING A. E.
Published: May 2016

Some reactions of the lithium salt (I) of 3,3,3‐trifluoropropyne (prepared by bubbling the trifluoropropyne into a solution of n‐butyllithium in hexane and dibutyl ether) with electrophiles such as the chloroformates (II), carbon dioxide (V), and benzaldehyde (VII) are reported.
ChemInform Abstract: Synthesis and Pharmacological Properties of 2‐Nitro‐3‐Substituted‐aminobenzo(b)thiophenes and 1‐Substituted Benzothieno(2,3‐d)imidazoles.
Authors: GUERRERA F. , SALERNO L. , SIRACUSA M. A. , RONSISVALLE G. , CARUSO A. , LEONE M. G. , FELICE A.
Published: May 2016

The aminobenzothiophenes mentioned in the title (III) are synthesized from the bromonitrobenzothiophene (I) and the amines (II).
ChemInform Abstract: Synthesis of 2‐(1,2‐Dihydropyrazol‐4‐yl)‐1,3,4‐thiadiazole Derivatives as Potential Antimicrobial Agents.
Authors: AUZZI G. , BRUNI F. , CLAUSER M. , CICIANI G. , COSTANZO A. , PECORI VETTORI L. , DONATO R.
Published: May 2016

The pyrazoledithiocarboxylic acids (I) are converted to the thiohydrazides (III).
ChemInform Abstract: A Convenient Synthesis of 5‐Alkyl‐ and 5‐Aryl‐1,2,3,4‐thiatriazoles.
Authors: IKEDA S. , MURAI T. , ISHIHARA H. , KATO S.
Published: May 2016

Thirteen piperidinium dithiocarboxylates such as (I) are coupled with the pyridinium iodide (II) to form the thioacylthiopyridinium iodides (III).
ChemInform Abstract: Propargylic Carbonates as an a1,a2‐Synthon in Annulation Reactions. A Convenient Synthesis of 3‐Methylenedihydropyran Derivatives.
Authors: GENG L. , LU X.
Published: May 2016

The propargylic carbonate (I) reacts with the diethyl 2,3‐diacetylsuccinate (II) to give the cyclobutane derivative (III) and/or the dihydropyran derivative (IV), depending on the reaction conditions.
ChemInform Abstract: Synthesis of Coumarin Derivatives as Possible Antifungal and Antibacterial Agents.
Authors: SENGUPTA A. K. , SEN S. , SRIVASTAVA V.
Published: May 2016

Starting with the coumarinyl‐substituted hydrazide (I), several heterocyclic derivatives of 7‐hydroxy‐4‐methylcoumarin, e.g. (V), (VII), (IX), and (XIII), are synthesized and tested for their antibacterial and antifungal activities.
ChemInform Abstract: First Isolation of Monocyclic Thiabenzenes.
Authors: SHIMIZU H. , KUDO N. , KATAOKA T. , HORI M.
Published: May 2016

The unstable thioaldehydes (II), generated in situ from the Bunte salts (I), react with the butadienes (III) to give the dihydrothiopyrans (IV).
ChemInform Abstract: A Novel Heterocyclic System from Dicoumarols.
Authors: SENGUPTA P. , SEN M. , DAS S. K. , KARURI P. , WENKERT E. , HALLS T. D. J.
Published: May 2016

Treatment of the dicoumarol derivatives (I) with phosphorus oxychloride in pyridine (II) results in the formation of the zwitterionic heterocyclic compounds (III).
ChemInform Abstract: Synthesis, Structure and Cytostatic Activity of a Series of 2‐Substituted Perimidines.
Authors: BRANA M. F. , GARRIDO M. , LOPEZ RODRIGUEZ M. L. , MORCILLO M. J. , ALVAREZ Y. , VALLADARES Y. , KLEBE G.
Published: May 2016

The presence of a basic nitrogen in the side chain of the title compounds, e.g. (IV) and (VI), is important for their in vitro cytotoxic activity.
ChemInform Abstract: Synthetic Biological Response Modifiers. Part 1. Synthesis and Immunomodulatory Properties of Some N2‐(ω‐(Hypoxanthin‐9‐yl)alkoxycarbonyl)‐L‐arginines.
Authors: STRADI R. , ROSSI E. , PEREZZANI L. , MIGLIORATI G. , RICCARDI C. , CORNAGLIA‐FERRARIS P.
Published: May 2016

The pyrimidine (I) reacts with the α,ω‐amino alcohols (II) to form the hydroxyalkylamino derivatives (III).
ChemInform Abstract: A Novel Route to 1,2‐Benzothiazin‐4‐ones Involving S‐Dealkylation of an Aryl Alkyl Sulfide.
Authors: JONES S. , KENNEWELL P. D. , WESTWOOD R. , SAMMES P. G.
Published: May 2016

Heating of the oxime tosylate (II), generated from 2‐methylthiobenzoic acid (I), in the presence of an acid results in cyclization, producing ethyl 4‐oxo‐1,2‐benzothiazine‐3‐carboxylate (III).
ChemInform Abstract: 1‐Oxa‐3‐cyclooctyne.
Authors: MEIER H. , STAVRIDOU E. , ROTH S. , MAYER W.
Published: May 2016

Thermal fragmentation of (VII) yields the stable title compound (VIII).
ChemInform Abstract: Synthesis and Characterization of a Series of Functionalized Macrocycles Containing Oxygen and Nitrogen Heteroatoms and Their Metal Complexes.
Authors: XU J. , NI S. , CUI K. , XU Z. , LIN Y.
Published: May 2016

Neutralization of the alkylating reagent (II) and alkylation of the corresponding amines e.g. (I) in the presence of K2CO3 lead to the N‐functionalized macrocyclic ligands (III), (IV) (yield 65%), and (V) (65%).
ChemInform Abstract: Organic Phosphorus Compounds. Part 88. Sulfonic and Sulfinic Acid Analogues of Glyphosate.
Authors: MAIER L.
Published: May 2016

The compounds (III), (V), (VII) and (VIII) are prepared in order to test their biological activity.
ChemInform Abstract: Synthesis, Properties, and Characterization of Diphenylantimony(III) O,O′‐Alkylene (and Diphenyl) Dithiophosphates.
Authors: PANDEY S. K. , SRIVASTAVA G. , MEHROTRA R. C.
Published: May 2016

Reaction of the O,O'‐alkylene dithiophosphates (I) with diphenylantimony(III) chloride (II) produces the complexes (III) mentioned in the title.
ChemInform Abstract: Reactions of TeF5OCl with Fluorocarbon Iodides and Synthesis of CF3OTeF5.
Authors: SCHACK C. J. , CHRISTE K. O.
Published: May 2016

Reaction of hypochlorite (II) mentioned in the title with the perfluoroalkyl iodides (I) yields the adducts (III) which decompose upon heating or irradiation to form the corresponding perfluoroalkoxypentafluorotellurium compounds (IV).
ChemInform Abstract: Preparation, Characterization and Properties of Some Lanthanoid Oxides.
Authors: GUERRIERO P. , SITRAN S. , VIGATO P. A. , MAREGA C. , MARIGO A. , ZANNETTI R.
Published: May 2016

Thermal decompositions of homo‐ and heteronuclear lanthanoid complexes of the type (I) lead to formation of homonuclear or mixed lanthanoid oxides such as (II).
ChemInform Abstract: Intramolecular Amine Coordination versus NMe C‐H Activation: The Stereoselective Synthesis of a Tantala(V)azacyclopropane Complex.
Authors: ABBENHUIS H. C. L. , GROVE D. M. , VAN MIER G. P. M. , SPEK A. L. , VAN KOTEN G.
Published: May 2016

A stereoselective C‐H activation reaction of a NMe group of the Ta(V) compound (I) affords toluene and the new pentagonal pyramidal Ta(V) THF adduct (III) (space group P1, Z=4).
ChemInform Abstract: An Organometallic Route for the Preparation of Ring‐Substituted 2‐Arylpropanoic and ‐butanoic Acids.
Authors: GRUSELLE M. , MALEZIEUX B. , JAOUEN G. , TROITSKAYA L. L. , SOKOLOV V. I.
Published: May 2016

The ester (I) reacts with chromium hexacarbonyl (II) to form the arenechromium carbonyl complex (III), which is deprotonated and then alkylated with (IV), producing the 2‐arylbutanoate complex (V).
ChemInform Abstract: Photochemical Reactions of Tricarbonyl(hydrotris(1‐pyrazolyl)borato)rhenium(I) in the Presence of Neutral Donor Ligands. X‐Ray Crystal Structures of the Substitution Derivatives (Re(HB(pz)3)(CO)2L), with L: C4H8O or PPh3.
Authors: ANGARONI M. , ARDIZZOIA G. A. , D'ALFONSO G. , LA MONICA G. , MASCIOCCHI N. , MORET M.
Published: May 2016

The photochemically obtained THF‐complex (Va) (space group P21/n, Z=4) serves as starting material in the synthesis of a series (5 examples) of substitution derivatives such as (Vb) (C2/c, Z = 8).
ChemInform Abstract: Sulfurating and Coordinating Properties of N,N′‐Thiobismorpholine Toward Iron Carbonyls.
Authors: DIAZ C.
Published: May 2016

N,N'‐Thiobisamines are known to be quite unreactive compounds.
ChemInform Abstract: Synthesis of Chiral Atropoisomeric Square‐Planar Nickel(II) and Copper(II) Complexes Formed by Macrocyclic Ligands Containing Pendant Polyether Groups and a Quaternary Ammonium Group.
Authors: BELOKON' YU. N. , PRITULA L. K. , TARAROV V. I. , BAKHMUTOV V. I. , STRUCHKOV YU. T. , TIMOFEEVA T. V. , BELIKOV V. M.
Published: May 2016

The novel Ni(II) and Cu(II) complexes (IVa) and (IVb) (yield 82/60%) and a Ni analogue of (IVb) containing the polyether group O(CH2CH2O)3Me are synthesized as shown for the example (IVa).
ChemInform Abstract: Synthesis, Characterization, Crystal Structures and Magnetic Exchange in Dinuclear Copper Complexes with 3‐Amino‐1‐propanol as Terminal and Bridging Ligand.
Authors: LINDGREN T. , SILLANPAEAE R. + , RISSANEN K. , THOMPSON L. K. , O'CONNOR C. J. , VAN ALBADA G. A. , REEDIJK J.
Published: May 2016

Synthesis, spectroscopic and magnetic properties, and X‐ray structures are described for the two types (III) (space group P21/c, Z=4) and (V) of dinuclear Cu(II) compounds of the title ligand (I).