bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Band Gap and Stability of Solids.
Authors: BURDETT J. K. , CODDENS B. A. , KULKARNI G. V.
Published: May 2016

The formal connection between stability and band gap in solids is demonstrated by using a simple model that reproduces the results obtained via band structure computations.
ChemInform Abstract: A Single‐Crystal and Synchrotron Powder X‐Ray Refinement of the Structure of SrNb8O14, a New Oxoniobate Containing Nb6 Octahedra.
Authors: KOEHLER J. + , SIMON A. , HIBBLE S. J. , CHEETHAM A. K.
Published: May 2016

Single crystals of the title compound are prepared by heating a pellet of SrNb2O6, NbO, Nb, and B2O3 as mineralizer (2:2:2:1, 950 °C, 7 d).
ChemInform Abstract: Synthesis, Spectral Analyses and X‐Ray Diffraction Studies of 1:1 (Sc,In)(OH)3.
Authors: MULLICA D. F. , SAPPENFIELD E. L. , GABLE D. R.
Published: May 2016

Single‐crystals of Sc0.5In0.5(OH)3 (I) are prepared by hydrothermal aging of a mixture of Sc2O3 and In2O3 in 30 N NaOH (503 K, 6 d).
ChemInform Abstract: Analysis of the 5f1 → 6d1 Transitions in PaX2‐ 6 (X: Cl, Br) and Pa4+/ThBr4.
Authors: EDELSTEIN N. , KRUPA J. C. , NAIK R. C. , RAJNAK K. , WHITTAKER B. , BROWN D.
Published: May 2016

The UV/VIS spectra of M2PaX6 (M: Cs, X: Cl; M: NEt4, X: Cl, Br) and Pa4+ incorporated into a ThBr4 single crystal are analyzed in terms of a Hamiltonian including the crystal field and spin‐orbit interactions for the 6d configuration.
ChemInform Abstract: On Na6Cu2O6.
Authors: BUKOVEC N. , LEBAN I. , HOPPE R.
Published: May 2016

Single crystals of the title compound are prepared by annealing of a mixture of NaCuO2 and Na2O (1:2.4, Ag‐crucible, argon, 650 °C, 7 d).
ChemInform Abstract: Diamagnetic ⇄ Paramagnetic Equilibria in Solutions of Bis(dialkylphosphino)ethane Complexes of Iron.
Authors: BAKER M. V. , FIELD L. D. , HAMBLEY T. W.
Published: May 2016

The Fe(II) complexes (I) are prepared from corresponding Fe(II) halides and diphosphines in Et2O or THF.
ChemInform Abstract: Methoxy‐ and Dichloro‐Substituted Oxyallyl Intermediates.
Authors: FOEHLISCH B. + , KRIMMER D. , GEHRLACH E. , KAESHAMMER D. +
Published: May 2016

Solvolysis of both the chloride (I) or the mesylate (III) in basic 2,2,2‐trifluoroethanol affords the same product (II) by an enolization‐ionization mechanism; the oxyallyl intermediate (V) can be trapped by furan to give the cycloadduct (VI) as 95:5 mixture of endo‐ and exo‐isomers.
ChemInform Abstract: Ketonization of Secondary Hydroxy Groups of Alcohols and Diols with Hydrogen Peroxide Under the Influence of Tris(cetylpyridinium) 12‐Tungstophosphate.
Authors: YAMAWAKI K. , NISHIHARA H. , YOSHIDA T. , URA T. , YAMADA H. , ISHII Y. , OGAWA M.
Published: May 2016

1‐Octanol (Ia) and the secondary alcohols (Ib) ‐ (Id) are treated with hydrogen peroxide in the presence of tris(cetylpyridinium) 12‐tungstophosphate to yield the aldehyde (IIa) and the ketones (IIb) ‐ (IId).
ChemInform Abstract: The Reaction of α‐Methylstyrene Analogues and Related Compounds with Sodium Perborate in Acetic Acid.
Authors: GUPTON J. T. , DURANCEAU S. J. , MILLER J. F. , KOSIBA M. L.
Published: May 2016

The methylstyrenes (I) are treated with sodium perborate in glacial acetic acid (II), producing the 1‐acetoxy‐2‐phenyl‐2‐propanols (III).
ChemInform Abstract: Synthesis of 2‐Functionalized 1,1‐Diiodo‐1‐alkenes. Generation and Reactions of 1‐Iodo‐1‐lithio‐1‐alkenes and 1,1‐Dilithio‐1‐alkenes.
Authors: BARLUENGA J. , RODRIGUEZ M. A. , CAMPOS P. J. , ASENSIO G.
Published: May 2016

Iodination of (I) in the presence of a nucleophile such as (II) yields the title compounds (III).
ChemInform Abstract: Use of Moist Silica Gel for Obtaining α‐Ethylenic Carbonyl Compounds from β‐Alkylthio or β‐Phenylthio Allylic Alcohols.
Authors: PELLET M. , HUET F.
Published: May 2016

The β‐alkylthio α‐ethylenic aldehydes (III), (VII) (one stereoisomer), (IX), or (XI) are prepared from the corresponding β‐chloro aldehydes, e.g. (I); the ketones (XIV) are available from the cyclohexanone (XII) by Peterson reaction followed by deacetalization.
ChemInform Abstract: Competitive (4 + 2)Cycloaddition versus (1,5)‐Hydrogen Sigmatropy in a Cycloheptatriene. An Efficient Route to 3‐Azatricyclo(5.3.1.04,10)undeca‐5,8‐diene.
Authors: KROW G. R. , CANNON K. C. , CAREY J. T. , MA H. , RAGHAVACHARI R. , SZCZEPANSKI S. W.
Published: May 2016

The cycloheptatrienes (V) are prepared from tropylium tetrafluoroborate (I) by reaction with allylamine (II) and subsequent acylation of the product (III).
ChemInform Abstract: Palladium‐Catalyzed Cross‐Coupling of Perfluoroalkenylzinc Reagents with Aryl Iodides. A New, Simple Synthesis of α,β,β‐Trifluorostyrenes and the Stereoselective Preparation of 1‐Arylperfluoropropenes.
Authors: HEINZE P. L. , BURTON D. J.
Published: May 2016

Palladium‐catalyzed cross‐coupling reaction of the trifluoroethylenylzinc reagents (I) with the aryl iodides (II) gives the trifluorostyrenes (III).
ChemInform Abstract: Transmetalation and Reverse Transmetalation on Ortho‐Activated Aromatic Compounds: A Direct Route to o,o′‐Disubstituted Benzenes.
Authors: EATON P. E. , MARTIN R. M.
Published: May 2016

Treatment of the activated benzenes (I) with lithium tetramethylpiperidide (II)/mercuric chloride (III) produces the corresponding mono‐ and dimercury ortho‐substituted derivatives.
ChemInform Abstract: Products Active on Mosquitoes. Part 2. Synthesis of Biologically Active Diethers of 3,7‐Dimethyl‐1,8‐octanediol.
Authors: PHADNIS A. P. , PATWARDHAN S. A. , POWAR P. V. , SHARMA R. N.
Published: May 2016

The title compounds (I) are prepared starting from the corresponding geranyl monoethers and tested for their biological properties.
ChemInform Abstract: Rhodium(II) Acetate‐Catalyzed Reactions of 2‐Diazo‐1,3‐indandione and 2‐Diazo‐1‐indanone with Various Substrates.
Authors: ROSENFELD M. J. , SHANKAR B. K. R. , SHECHTER H.
Published: May 2016

Decomposition of 2‐diazo‐1,3‐indandione (I) by rhodium(II)‐acetate in cyclohexane (II) or in the benzenes (IV) results in carbon‐hydrogen insertion to give the 2‐substituted indandiones (III) or (V) and (VI).
ChemInform Abstract: Condensation Products of 2‐Aminobenzothiazoles and 3‐Aryl‐5‐bromorhodanines.
Authors: GAKHAR H. K. , GUPTA S. B.
Published: May 2016

The reaction of benzothiazoles of type (I) with 3‐aryl‐5‐bromorhodanines such as (II) yields the corresponding dimeric benzothiazoles (cf.
ChemInform Abstract: Synthesis of 4,8‐Dimethyl‐8,9‐dihydro‐7H‐pyrano(2,3‐e)indol‐2‐ones.
Authors: PRASAD D. V. , DARBARWAR M.
Published: May 2016

The aminocoumarins (I) are consecutively N‐tosylated and N‐allylated to produce the key intermediates (V) which undergo rearrangement and ring closure upon thermolysis, forming the fused N‐tosylmethylpyrrolines (VI).
ChemInform Abstract: The Reaction of 3‐(Dimethylamino)‐2H‐azirines with 2,3‐Pyridinedicarboximide.
Authors: OBRECHT J.‐P. , SCHOENHOLZER P. + , JENNY C. J. , PREWO R. , HEIMGARTNER H.
Published: May 2016

The title reaction leads to a mixture of the regioisomeric 1:1 adducts (III) and (IV) which are methanolyzed to give the esters (VI) and (VII), respectively.
ChemInform Abstract: A Versatile Synthesis of 2‐Aryl‐3,4‐dihydro‐4‐oxobenzofuro(3,2‐d)pyrimidines.
Authors: REDDY B. S. , REDDY A. P. , VEERANAGAIAH V.
Published: May 2016

Under the conditions indicated, the reaction between the benzofuran (I) and the aldehydes (II) gives the desired title compounds (III) together with the carboxamides (IV).
ChemInform Abstract: Synthesis of 1,3‐Diaryl‐2‐(5‐methyl‐3‐isoxazolyl)‐2,3‐dihydro‐1H‐naphth(1,2‐e) (1,3)oxazines.
Authors: RAO E. T. , RAJANARENDAR E. , KRISHNAMURTHY A.
Published: May 2016

The reaction of isoxazoles of type (I) with 0.5 mol of 2‐naphthol (II) in AcOH does not yield the expected oxazine of type (IV) but instead open chain products of type (III).
ChemInform Abstract: Synthesis of 1λ6,2,4‐Thiadiazines and Thieno(1,2‐f) (1λ6,2,4)thiadiazines from S,S‐Dialkylsulfur Diimides.
Authors: RIED W. , JACOBI M. A.
Published: May 2016

The synthesis of title compounds of type (IV) and (VIII) becomes possible starting from the sulfur diimides (I) and (V) via the intermediates (III) and (VII).
ChemInform Abstract: Synthesis and Structure of 2,3‐Bis(trimethylsilyl)‐5‐(trichlorogermyl)‐2,3‐dicarba‐1‐germa‐closo‐heptaborane(6): A Novel, Potential Intermediate for Extended Germacarboranes of Mixed Valences.
Authors: SIRIWARDANE U. , ISLAM M. S. , MAGUIRE J. A. , HOSMANE N. S.
Published: May 2016

The air‐sensitive title compound (III) is prepared by the reaction of the closo‐stannadicarborane (I) with GeCl4 (II) at 135 °C in the absence of solvent.
ChemInform Abstract: Organotin Clusters. Part 3. Novel Drums and Mixed‐Drum Organooxotin Clusters from Carboxylic, Phosphinic, and Phosphoric Acids.
Authors: DAY R. O. , CHANDRASEKHAR V. , SWAMY K. C. K. , HOLMES J. M. , BURTON S. D. , HOLMES R. R.
Published: May 2016

The clusters (Ia), (Ic), and (Id) with new "drum" geometries are synthesized by a condensation reaction of an alkylstannoic acid (II) or (V) with either a carboxylic acid e.g. (III) or diphenylphosphoric acid (VI).
ChemInform Abstract: Carbonylvanadium Halfsandwich Complexes: Preparation, Structure, and 51V NMR Spectra of Derivatives of η5‐C5H5V(CO)4.
Authors: HOCH M. , REHDER D.
Published: May 2016

The reactions between V(CO)6 and alkylcyclopentadienes or anellated cyclopentadienyl derivatives yield a large number of halfsandwich complexes of type (I) and (II) (some preparations are known; yields are given for the others, in part in tables).
ChemInform Abstract: Coordination Chemistry of New Sulfur Containing Ligands. Part 28. Syntheses and Characterization of Two Vanadium Tris Complexes of the 1,2‐Dithiolene 5,6‐Dihydro‐1,4‐dithiin‐2,3‐dithiolate. Crystal Structure of ((C4H9)4N)(V(DDDT)3).
Authors: WELCH J. H. , BEREMAN R. D. , SINGH P.
Published: May 2016

From the tetrabutylammonium salt analogous to (III) a single‐crystal structural study is performed and gives the first reported crystal structure (P212121, Z = 8) of a monoanionic vanadium dithiolate.
ChemInform Abstract: Synthesis of Iron and Cobalt Complexes of Tetra(2,3‐naphtho)porphine.
Authors: REIN M. , HANACK M.
Published: May 2016

The Zn tetranaphthoporphinato complex (VIIIa) can also be obtained from (V) or its solvate‐free analogue in 6 or 8% yield.
ChemInform Abstract: Evidence for the Lability of a Bridging Phosphido Ligand Under Hydrogen Atmosphere. Reactions of the Cluster Complex Ru3(μ3‐P(C6H5)(C5H4N))(μ‐P(C6H5)2)(CO)8.
Authors: LUGAN N. , LAVIGNE G. , BONNET J.‐J. , REAU R. , NEIBECKER D. , TKATCHENKO I.
Published: May 2016

In studies to determine free organic molecules that can be derived from the coordinated acyl group of the prototype complex (Ia) or its sec. phosphine substituted derivatives (Ib) and (Ic), the μ2‐phosphido‐bridged complexes (II) are obtained by a thermolysis of (Ib) and (Ic) where coordinated sec. phosphines are the source of the H atom releasing benzaldehyde (III).
ChemInform Abstract: Stability of Palladium(II) Aquo Complexes with 2,2′Bipyridyl and 1,10‐Phenanthroline.
Authors: WIMMER F. L. , WIMMER S.
Published: May 2016

On dissolution of Pd(L)(ONO2)2 (L: 2,2'‐bipyridyl, 1,10‐phenanthroline) in water, the hydroxo‐bridged dimer (LPd(μ‐OH)PdL)(NO3)2 is formed in 80% yield and isolated.
ChemInform Abstract: Trapping of Three‐Center Ir‐Sn‐X Intermediates in the Reaction of Ir(I)(C6H4(CH2NMe2)‐2)(COD) with Organotin(IV) Halides. X‐Ray Structure of (2‐(Me2NCH2)C6H4)(COD)Ir(Br)SnMe2Br.
Authors: VAN DER ZEIJDEN A. A. H. , VAN KOTEN G. , WOUTERS J. M. A. , WIJSMULLER W. F. A. , GROVE D. M. , SMEETS W. J. J. , SPEK A. L.
Published: May 2016

The reaction of the Ir(I) complexes (I) with various organotin(IV) halides (II) yields the 1:1 adducts (III), which can be regarded as trapped intermediates in the concerted cis oxidative addition of a tin‐halide bond to an Ir(I) center.
ChemInform Abstract: Platinum Complexes of Vitamin C: Reaction Chemistry of Carbon‐Bound cis‐((Diamine)(ascorbato‐C2,O5)platinum) Chelates.
Authors: HOLLIS L. S. , STERN E. W.
Published: May 2016

The reactions between a series of cis‐(Pt(diamine)(ascorbato‐C2,O5)) chelates of the type (I) (diamine; ethylenediamine, 1,2‐diaminocyclohexane isomers, or 2 NH3) and various acids (HNO3, HCl, MeSO3H) are studied by means of 195Pt and 13C NMR spectroscopy in an attempt to prepare monodentate ascorbate complexes of the type (IV) where L is an anionic or neutral ligand.
ChemInform Abstract: Bromination of Dipyrromethenes for Porphyrin Synthesis.
Authors: PAINE J. B. III , HIOM J. , DOLPHIN D.
Published: May 2016

Treatment of the dipyrromethenium bromides (I) with bromine and trifluoroacetic acid yields the 5'‐bromo‐5‐(bromomethyl)dipyrromethenes (II).
ChemInform Abstract: Syntheses of Enantiomerically Pure Violaxanthins and Related Compounds.
Authors: ACEMOGLU M. , UEBELHART P. , REY M. , EUGSTER C. H.
Published: May 2016

The epoxides (III) and (IV) are synthesized starting from the reaction between (I) and (II) and used as synthons for the products (V) and (VI) as well as for the preparation of the violaxanthins (VII) and some of their isomers.
ChemInform Abstract: Synthesis of all (E)‐Decaprenol and Its (2Z)‐Isomer.
Authors: KOZLOVA I. V. , OBOL'NIKOVA E. A. , KOGAN L. M. , FILIPPOVA T. M. , KHARCHEVNIKOV A. P. , SAMOKHVALOV G. I.
Published: May 2016

The title compound (VI) and its (2Z)‐isomer (VII) are prepared starting from solanesol (I), which is isolated from tobacco powder.
ChemInform Abstract: Isolation and Structure Elucidation of Middle‐Molecular Weight Peptides from Hemofiltrates.
Authors: ROEHR U. + , SPITELLER G. , TRIPIER D.
Published: May 2016

The structure of one of the isolated peptides is determined by a combination of gas‐phase sequencing and liquid secondary ion mass spectrometry.
ChemInform Abstract: Total Synthesis of Elaiophylin (Azalomycin B).
Authors: TOSHIMA K. , TATSUTA K. , KINOSHITA M.
Published: May 2016

Coupling of the segments (VIII) and (XII) in the presence of Bu2B‐O‐SO2‐CF3 and subsequent work‐up yields the title compound (XIII).
ChemInform Abstract: Extraction of Zn(II), Cd(II), and Hg(II) by Dodecyloligo(oxyethylene) Carboxylic Acids
Authors: STRZELBICKI J. , CHAREWICZ W. , BEGER J. , HINZ L.
Published: May 2016

of general formula C12H25(OCH2CH2)nOCH2COOH with n = 1‐4 is demonstrated, whereas extraction is not successful with the compound with n = 0. In extractions from aqueous solutions containing ZnCl2, CdCl2, HgCl2, and NaOH, the loading of the organic phase increases with increasing oxyethylene units of the extractants.
ChemInform Abstract: Structural and Thermal Investigations of Tetrasulfate Complexes of Uranium(IV) and Plutonium(IV).
Authors: MUDHER K. D. S. , KRISHNAN K. , CHACKRABURTTY D. M. , JAYADEVAN N. C.
Published: May 2016

M4(U(SO4)4)·2 H2O (M: K, Rb) (I) and M4(Pu(SO4)4)·2 H2O (II) crystallize in the monoclinic system, space group P21/c with Z=4.
ChemInform Abstract: Spectrophotometric Studies of Californium(III) Ions in Selected Lanthanide Trihalide Hosts
Authors: WILMARTH W. R. , YOUNG J. P. , HAIRE R. G. , PETERSON J. R.
Published: May 2016

(LnCl3, Ln: Ce, Sm, Y; LnBr3, Ln: Ce, Sm, Tb, Y; LnI3, Ln: Ce, Y).
ChemInform Abstract: Fluorescence and Dynamics of LiNaY2F8:Eu3+.
Authors: ZAMBON D. , METIN J. , COUSSEINS J. C. , FOURNIER M. T.
Published: May 2016

The fluorescence of the Eu3+ ion in the title compound is measured at 300 and 77 K after selective excitation of the 5D0 or 5L6 levels of the Eu ion.
ChemInform Abstract: Catalytic Etching of Platinum Alloy Gauzes.
Authors: ANDERSON D. R.
Published: May 2016

A cyclic voltammetric method is described that allows the accurate determination of surface areas of Pt‐containing gauzes.
ChemInform Abstract: The Catalytic Activity of Vanadium Oxides in the Oxidation of Benzene
Authors: BIELANSKI A. , PIWOWARCZYK J. , POZNICZEK J.
Published: May 2016

is studied for V2O5, V6O13, V2O4, V7O13, V6O11, V5O9, V4O7, V3O5, and V2O3 at 300‐400 °C. V2O5 is catalytically inactive but becomes active and selective for the formation of maleic anhydride after an appropriate reduction (e.g.
ChemInform Abstract: Theoretical Approach to the Conformational and Configurational Stability of α‐Sulfinyl Carbanions Derived from 1,4‐Oxathiane S‐Oxides.
Authors: GARCIA RUANO J. L. , GARCIA DE LA VEGA J. M. , PARELLADA M. D. , SECUNDINO M. A.
Published: May 2016

In contrast to the (R,R) diastereomer racemization is observed in the cyclization of the (R,S)‐sulfinylbutanol (I).
ChemInform Abstract: Action of Alkylmagnesium and Alkyllithium Reagents on Some Quaternary Hydrazonium Salts.
Authors: SMITH P. A. S. , MESSING C. R.
Published: May 2016

The diaryl ketone hydrazones (I) are converted to the quaternary hydrazonium salts (III) and (VII).
ChemInform Abstract: Intramolecular Ene Reactions. Part 6. Induced and Non‐Induced Diastereoselective Intramolecular Ene Reaction of 1,6‐Dienes: Unusual Formation of trans‐1,2‐Disubstituted Cyclopentanes.
Authors: TIETZE L. F. , BEIFUSS U. , RUTHER M. , RUEHLMANN A. + , ANTEL J. , SHELDRICK G. M.
Published: May 2016

Lewis acid catalyzed reaction of dienes of type (III) or (VII) gives trans‐1,2‐disubstituted cyclopentanes such as (IV), (VIII), (IX) with high (non‐induced) selectivity.
ChemInform Abstract: Rhodium(I)‐Catalyzed Regiospecific Cyclization of 1,6‐Enynes to Methylenecyclohex‐2‐enes.
Authors: GRIGG R. , STEVENSON P. , WORAKUN T.
Published: May 2016

The 1,6‐enynes (I) or (IV) are cyclized regiospecifically by Wilkinson's catalyst or using Pd‐acetate/PPh3 at 80 °C to give the methylene cyclohexanes (II), the cyclopentane (III) or the pyridines (V).
ChemInform Abstract: Chemistry of Dioxiranes. Part 10. Oxidation of Quadricyclane and Norbornadiene by Dimethyldioxirane.
Authors: MURRAY R. W. , PILLAY M. K. , JEYARAMAN R.
Published: May 2016

When quadricyclane (I) is treated with dimethyldioxirane, a mixture of the exo‐norbornadiene monoepoxide (II), the exo,exo‐bisepoxide (III), the bicyclic aldehyde (IV), and its epoxide (V) is formed.
ChemInform Abstract: Novel Synthesis of Selenones: Application to the Synthesis of Alkyl Cyclopropanecarboxylates.
Authors: KRIEF A. , DUMONT W. , DE MAHIEU A. F.
Published: May 2016

The selenides (I) are oxidized with hydrogen peroxide in the presence of benzeneseleninic acid to give the selenones (II).
ChemInform Abstract: Reductive Formylation of Oximes. An Approach to the Synthesis of Vinyl Isonitriles.
Authors: BARTON D. H. R. , BOWLES T. , HUSINEC S. , FORBES J. E. , LLOBERA A. , PORTER A. E. A. , ZARD S. Z.
Published: May 2016

The oximes (I) are treated with the mixed anhydride (II) of formic and acetic acid in the presence of titanium(III) acetate to produce the N‐(formyl)enamines (III).
ChemInform Abstract: On the Relative Sizes of Hydrogen and Fluorine as Substituents. Two Pathways for the Isomerization of syn‐ and anti‐(2.2)Metacyclophanes. The Synthesis of the First Dihydropyrene with Internal Fluorine Substituents.
Authors: MITCHELL R. H. , BODWELL G. J. , VINOD T. K. , WEERAWARNA K. S.
Published: May 2016

In contradiction to previous publications, hydrogenation of the diene (I) yields the anti‐(2.2)metacyclophane (II).
ChemInform Abstract: Lithiation of the Dimer of 3‐Bromo‐6‐dimethylamino‐1‐azafulvene. Efficacious Synthesis of 4‐Mono‐ and 4,5‐Disubstituted Pyrrole‐2‐carboxaldehydes.
Authors: MUCHOWSKI J. M. , HESS P.
Published: May 2016

The dimeric aminal (I), prepared from 4‐bromopyrrole‐2‐carboxaldehyde, is treated with four equivalents of tert‐butyllithium to produce only a dilithiated intermediate which is quenched with the electrophiles (II), yielding the disubstituted derivatives (III).
ChemInform Abstract: Preparation and X‐Ray Crystal and Molecular Structure of 6‐Bromopyrrolizin‐3‐one.
Authors: BLAKE A. J. , MCNAB H. , MORRISON R.
Published: May 2016

The X‐ray crystal structure of the title compound (III) (space group P21/c; Z=4) shows that the lactam unit has a long C‐N bond and a short C=O bond, although the molecule as a whole is planar.
ChemInform Abstract: Radical Cyclization: Synthesis of 4H‐Furo(3,2‐c)‐1‐benzopyrans.
Authors: ARIAMALA G. , BALASUBRAMANIAN K. K.
Published: May 2016

The aryl propargyl ethers (I) are cyclized to form the 2H‐1‐benzopyrans (II) which are coupled with the propargylic alcohols (III) in the presence of NBS, yielding the ethers (IV).
ChemInform Abstract: The Hofmann‐Like Fragmentation Induced by N‐Acylation of 1‐Methyl‐1‐aza‐4‐cyclanones and Its Use in the Synthesis of 2‐Azahydrindanones and 2‐Azadecalones.
Authors: LEVY J. , LARONZE J.‐Y. , SAPI J.
Published: May 2016

The N‐methylazacyclanones (I) are cleaved upon consecutive treatment with the acyl halides (II) and Huenig's base, forming the N‐oxoalkenyl amides (IV).
ChemInform Abstract: Synthesis of Dithienopyridines Through Pd(0)‐Catalyzed Coupling of ortho‐Formylthiopheneboronic Acids with tert.‐Butyl‐N‐(ortho‐halothienyl)carbamates.
Authors: YANG Y. , HOERNFELDT A.‐B. + , GRONOWITZ S.
Published: May 2016

As demonstrated in the scheme by the synthesis of (III) and (VI), six out of the nine possible isomeric dithienopyridines with phenanthrene anellation pattern are prepared by the Pd(0)‐catalyzed reaction of (I) or (IV) with appropriate carbamates of type (II)/(V).
ChemInform Abstract: Coumarin Dyes from 5‐ and 7‐Hydroxy‐1,2,4‐trimethyl‐1,2,3,4‐tetrahydroquinolines.
Authors: KROPACHEV A. V. , IL'CHENKO A. YA. , KROKHTYAK V. I. , POPOV V. I. , YAGUPOL'SKII L. M.
Published: May 2016

Methylation of 5‐hydroxy‐2,4‐dimethylquinoline (I) and subsequent hydrogenation give the tetrahydroquinoline (IV) which is cyclized with the trifluoroacetoacetate (VI) or the chlorocyanobutenoate (VII), producing the pyrano(2,3‐f)quinolines (V).
ChemInform Abstract: 3‐Substituted and 1,3‐Disubstituted 2,4‐Dioxo‐ and 4‐Oxo‐2‐thioxopyrano(2,3‐d)pyrimidinium Salts.
Authors: CHUIGUK V. A. , BOGODIST YU. I. , LAZAREVA L. L.
Published: May 2016

Coupling of the barbituric acid derivatives (I) with the β‐diketones (II) gives the pyranopyrimidinium salts (III).
ChemInform Abstract: Group 4 Organometallic Reagents. Part 5. Organotin‐Mediated Synthesis of Macrocyclic Polyesters: Mechanism and Selectivity in the Reaction of Dioxastannolanes with Diacyl Dichlorides.
Authors: ROELENS S.
Published: May 2016

The reaction of the stannolane (I) with diacyldichlorides such as (II) proceeds with clean cyclo‐oligomerization to give the macrocyclic polyester (III) as part of a product mixture together with other cyclic oligomers.
ChemInform Abstract: Reaction of Oxophosphorane‐Sulfenyl and ‐Selenenyl Chlorides with Dialkyl Trimethylsilyl Phosphites. Novel Synthesis of Compounds Containing a Sulfur or Selenium Bridge Between Two Phosphoryl Centers.
Authors: SKOWRONSKA A. , DEMBINSKI R. , KAMINSKI R. , MICHALSKI J.
Published: May 2016

The novel highly efficient synthesis of the sym‐tetraalkyl monothio‐ and monoseleno‐pyrophosphates such as (III) and (V) based on the condensation of the phosphites (II) with the dialkoxyoxophosphorane‐sulfenyl or ‐selenenyl chlorides generated in situ from the silyl thio‐ or selenophosphates (I) and (IV).
ChemInform Abstract: Benzodiphosphole Formation by Reaction of Activated 1,2‐Diphosphinobenzene with CO2.
Authors: SCHMIDT H. , LEISSRING E. , ISSLEIB K.
Published: May 2016

The benzodiphosphole (IV) is obtained as a yellow oil (no yield given).
ChemInform Abstract: Preparation and Characterization of the Heptachlorobis(tetrahydrofuran)ditungstate and Octachloro(tetrahydrofuran)ditungstate Anions: (Ph4P) (W2Cl7(THF)2) and (Ph4P) (W2Cl8(THF)).
Authors: BERGS D. J. , CHISHOLM M. H. , FOLTING K. , HUFFMAN J. C. , STAHL K. A.
Published: May 2016

The preparation of the salt (III) according to the scheme shows that the Na ion is not essential for the existence of this anion.
ChemInform Abstract: Octaalkoxy Phthalocyanine and Naphthalocyanine Derivatives: Dyes with Q‐Band Absorption in the Far Red or Near Infrared.
Authors: COOK M. J. , DUNN A. J. , HOWE S. D. , THOMSON A. J. , HARRISON K. J.
Published: May 2016

The tetramerization of dicarbonitriles such as (I) is catalyzed by lithium alkoxides and leads to the dyes (II) and their analogues (IIIa) and (IIIb).
ChemInform Abstract: A Convergent Synthesis of Triquinane Sesterterpenes. Enantioselective Synthesis of (‐)‐Retigeranic Acid A.
Authors: WRIGHT J. , DRTINA G. J. , ROBERTS R. A. , PAQUETTE L. A.
Published: May 2016

The bromide (IV) is synthesized starting from (S)‐(‐)‐limonene (I).
ChemInform Abstract: 2‐Picolyl Thioesters: A Useful Synthon for the Preparation of 1‐β‐Alkyl Carbapenem Intermediates.
Authors: MARTEL A. , DARIS J.‐P. , BACHAND C. , CORBEIL J. , MENARD M.
Published: May 2016

The condensation of the azetidinones (I) and the thio compounds (IIa)‐(IId) yields the azetidinones (III) as major products while (IIe) predominantly leads to the isomer (IVe).
ChemInform Abstract: Neutron Powder Diffraction of Nb2BN1‐x.
Authors: ROGL P. , KLESNAR H. , FISCHER P.
Published: May 2016

The title compound crystallizes in the space group Cmcm with Z=4 and is the first boron nitride representative of the Mo2BC‐type structure.
ChemInform Abstract: Elastic Properties of Polycrystalline Aluminum Oxynitride Spinel and Their Dependence on Pressure, Temperature, and Composition.
Authors: GRAHAM E. K. , MUNLY W. C. , MCCAULEY J. W. , CORBIN N. D.
Published: May 2016

The isotropic elastic moduli of nitrogen‐stabilized cubic aluminum oxides (ALON) containing 30.0 or 35.7 mol% AlN are measured between 0 and 25 °C at pressures ranging from ambient pressure to 1 GPa.
ChemInform Abstract: Anionic Conduction in Lead Halosilicate Glasses.
Authors: WANG Y.‐H. , KOBAYASHI M. , OSAKA A. , MIURA Y. , TAKAHASHI K.
Published: May 2016

The electrical conductivity within the systems 30 SiO2·(70‐x)PbO·xPbX2 (0 < x < 17.2; X: F, Cl) is found to increase by several orders of magnitude with increasing x in both series of glasses.
ChemInform Abstract: Passivation of Fe in Sulfate Solutions, 18O/SIMS Evidence for the Participation of Preexisting Surface Oxide Films.
Authors: MACDOUGALL B. , BARDWELL J. A. , SPROULE G. I.
Published: May 2016

SIMS analysis in conjunction with 18O labelling of the passive oxide film is used to determine the extent of film removal after cathodic reduction in Na2SO4 (pH 8.4) solution.
ChemInform Abstract: Experimental Link Between the 13C NMR Chemical Shift of Carbonyl Carbons and the Energy Shifts Observed in the n → 3s Optical Transition of Cyclic Ketones.
Authors: CORNISH T. J. , BAER T.
Published: May 2016

The transition energies of 6 methyl‐ and dimethylcyclopentanones and 9 ‐cyclohexanones, as well as those of Me‐CO‐R (R: ‐Me, ‐Et, ‐iPr, ‐tBu) and some bicyclic ketones such as camphor, norcamphor and fenchone, are measured with 2 + 1 REMPI.
ChemInform Abstract: Carbon Acidities of Aromatic Compounds.
Authors: MEOT‐NER M. , KAFAFI S. A.
Published: May 2016

Experimental carbon acidities and theoretical AM 1 results are reported.
ChemInform Abstract: Host‐Guest Chemistry. Part 15. Host‐Guest Complexes with Water‐Soluble Macrocyclic Polyphenolates Including Induced Fit and Simple Elements of a Proton Pump.
Authors: SCHNEIDER H.‐J. , GUETTES D. + , SCHNEIDER U.
Published: May 2016

The cyclophane (Ia) which adopts a cyclic boat‐shaped conformation can bind ammonium compounds such as (II)‐(IV).
ChemInform Abstract: Dehydroacetoxylation and Acetate Transesterification in the Reactions of erythro‐ and threo‐Methyl 3‐(Substituted acetoxy)‐2‐halogeno‐3‐phenylpropanoates with Triethylamine.
Authors: GARAY R. O. , CABALEIRO M. C.
Published: May 2016

The title reaction of the threo diester (I) shows a change in the mechanism from E1cB to a concerted process due to enhanced nucleofugacity caused by the presence of halogens in the acetoxy group.
ChemInform Abstract: Synthetic Methods. Part 28. Alkylation and Aldol Reactions of Aldoxime Anions.
Authors: HASSNER A. , NAEUMANN F. +
Published: May 2016

The dianions derived from the Z aldoximes (I) or (IV) undergo aldol reaction and alkylation to give the products (III) or (VI), most of which are obtained as diastereomeric mixtures.
ChemInform Abstract: Diastereoselectivity in Carbonyl Allylation by Allylic Carbonates Using PdCl2(PhCN)2‐SnCl2 System.
Authors: MASUYAMA Y. , OTAKE K. , KURUSU Y.
Published: May 2016

Allyl methyl carbonate (I) reacts with the aldehydes (II) in the presence of tin dichloride and a palladium catalyst to give the homoallylic alcohols (III).
ChemInform Abstract: Synthesis and Stereoisomer Separation of Difluoro(2,2)paracyclophane.
Authors: HUANG X. , QU F. , LI Z.
Published: May 2016

The benzyltrimethylammonium hydroxide (V), prepared by conventional methods, is subjected to thermolytic elimination of trimethylammonium hydroxide, forming the intermediate p‐xylylene (VI).
ChemInform Abstract: Synthesis of Cyclopentanones via Reaction of Furanchromium Carbene Complexes with Alkynes.
Authors: YAMASHITA A. , TOY A. , WATT W. , MUCHMORE C. R.
Published: May 2016

The furylmethoxycarbenechromium complexes (I) undergo cycloaddition with the alkynes (II) to form the cyclopentafurans (III) and (IV), together with the benzofurans (V).
ChemInform Abstract: A New Method for the Preparation of 3,5‐Disubstituted Butenolides.
Authors: BUCHWALD S. L. , FANG Q. , KING S. M.
Published: May 2016

The propargylic ethers (I) react with the zirconocene hydride (II) to form the alkenylzirconium compounds (III) which are carbonylated to form the intermediate acylzirconium complexes (V).
ChemInform Abstract: Potential Antitumor Agents. Part 16. Imidazo(2,1‐b)thiazoles.
Authors: ANDREANI A. , RAMBALDI M. , ANDREANI F. , BOSSA R. , GALATULAS I.
Published: May 2016

The title compounds, e.g. (III), (VII) and (IX), are tested in mice bearing Ehrlich ascites tumor cells.
ChemInform Abstract: Synthesis and Properties of 2‐Amino‐5‐(3,5,6‐trichloro‐1,4‐benzoquinon‐2‐yl)thiazoles.
Authors: UTINAN M. F. , VALTER R. E. , KARLIVAN G. A. , LIEPIN'SH E. E. , EDZHINYA A. S.
Published: May 2016

The dihydrobenzofurans (I), prepared by known methods, are coupled with the thioureas (II) to give the inner salts (III).
ChemInform Abstract: Synthesis and Radicalic Cyclization of 2‐(β‐Haloacyl)‐1,2‐dihydroisoquinolines by Means of Tin Hydride. One‐Pot Synthesis of Benzo(f)indolizidine Systems from Isoquinolines.
Authors: YAMAGUCHI R. , HAMASAKI T. , UTIMOTO K.
Published: May 2016

The isoquinolines (I) react with the 3‐halopropionyl chlorides (II) in the presence of tributylstannane to form the 1,2‐dihydroisoquinolines (III) which are cyclized with tributylstannane in the presence of AIBN to give the benzoindolizidine derivatives (IV).
ChemInform Abstract: Axially Asymmetric Metal Alkyls. Part 6. Lithiation of 2,2′‐Dimethyl‐1,1′‐binaphthyl and Its Trimethylsilylated Compounds, and of 2,2′,6,6′‐Tetramethyl‐1,1′‐biphenyl (Asymmetric Induction): X‐Ray Crystal Structures of Monomeric ((Li(Me2NCH2CH2NMe2))2((2‐CH2C10H6)2)) and (Li((Me2NCH2CH2)2NMe)(2‐CH2‐6‐Me(C6H3)2‐2′,6′‐Me2)).
Authors: ENGELHARDT L. M. , LEUNG W.‐P. , RASTON C. L. , SALEM G. , TWISS P. , WHITE A. H.
Published: May 2016

Metalation of (Ia), its silylated derivative (Ib) and (V) gives the α‐lithioarylmethane species (IIIa), (IIIb), (VII) and (X), characterized by 1H and 13C NMR spectra.
ChemInform Abstract: Formation of Unsymmetric Diarsines from the Reaction of Aminoarsines and Secondary Organoarsines.
Authors: GUPTA V. K. , KRANNICH L. K. , WATKINS C. L.
Published: May 2016

The equimolar reaction of the aminoarsine (I) with Ph2AsH (II) in toluene is studied using 1H and 13C NMR spectroscopy.
ChemInform Abstract: Preparation, X‐Ray and Spectroscopic Investigations of Europium(III) Trinitrato Complexes with the Macrocycle Derived from 2,6‐Diformyl‐4‐chlorophenol and Diethylenetriamine.
Authors: BUENZLI J.‐C. G. + , MORET E. , CASELLATO U. , GUERRIERO P. , VIGATO P. A.
Published: May 2016

The title complex (IV), which can also be prepared from the preformed Schiff base, crystallizes in two forms, yellow and red, which are isostructural but display slightly different spectroscopic properties.
ChemInform Abstract: Formation and Peroxidatic Properties of Coprohaem Compound I.
Authors: BRETSCHER K. R. , JONES P.
Published: May 2016

Coproferrihaem (I) reacts very rapidly with MCPBA at pH 6 in aqueous solution in a 1:1 stoichiometry to form the title complex as a spectroscopically distinct oxidized derivative, which is stable on the stopped‐flow time‐scale.
ChemInform Abstract: The Reductive Chemistry of Nickel Hydroporphyrins. Evidence for a Biologically Significant Difference Between Porphyrins, Hydroporphyrins, and Other Tetrapyrroles.
Authors: STOLZENBERG A. M. , STERSHIC M. T.
Published: May 2016

The chemical and electrochemical reductions of the Ni complexes of octaethylporphyrin, chlorin, isobacteriochlorin, phlorin and tetraphenylporphyrin as well as of 2,3‐dihydro‐, 2,3‐, 7,8‐ and 2,3,12,13‐tetrahydrotetraphenylporphyrin and of 2‐hydro‐2‐methyl‐, 2,7‐dihydro‐2,7‐dimethyl‐, 5,15‐dihydro‐5,15‐dimethyl‐ and 2,3,7,8‐tetrahydrooctaethylporphyrin are investigated in nonaqueous medium.
ChemInform Abstract: Synthesis and Structure of a CO‐Containing Phenoxo‐bridged Dicopper(I) Complex.
Authors: KARLIN K. D. , FAROOQ A. , GULTNEH Y. , HAYES J. C. , ZUBIETA J.
Published: May 2016

The pentadentate ligand (preparation described) reacts after deprotonation with NaH in Et2O with (Cu(MeCN)4)PF6 in CO‐saturated CH2Cl2 to give the title complex (I) crystallizing in P1 with Z=4.
ChemInform Abstract: Synthesis and Oxidation Reactions of Mono‐ and Dinuclear Rhodium Carbonyl Complexes of (o‐Diphenylphosphinophenyl)amine, H2L; X‐Ray Structure Analysis of a Rhodium(II) Amido‐Bridged Dimer, ((Rh(μ‐HL)(CO)Cl)2)·EtOH.
Authors: COOPER M. K. , ORGAN G. J. , DUCKWORTH P. A. , HENRICK K. , MCPARTLIN M.
Published: May 2016

The preparation of (IV) may be achieved also starting with the dimer Rh2Cl2(CO)4.
ChemInform Abstract: Normal Phase Liquid Chromatographic Separation and Structure Determination of Palladium‐2,2,7‐trimethyloctane‐3,5‐dionate.
Authors: WENCLAWIAK B. , PINKERTON A. A. , TERRILL N. J.
Published: May 2016

The two geometrical isomers are separated and it is shown that the major component is the cis isomer (I).
ChemInform Abstract: Dinitrogen Complexes of Osmium(II) with Thiolate Co‐Ligands: X‐Ray Structure of mer‐(OsCl(SC6F5)(N2)(PMe2Ph)3).
Authors: CRUZ‐GARRITZ D. , GELOVER S. , TORRENS H. , LEAL J. , RICHARDS R. L.
Published: May 2016

Treatment of the mer‐Os complex (I) with the dimethyldithiocarbamate salts (II) or (IV) causes loss of N2 and the formation of the mer/facor cis‐dithiocarbamate complexes (III) and (V), respectively.
ChemInform Abstract: Synthesis of Erivanin and 1‐Epierivanin from 1‐(α)‐Santonin.
Authors: HARAPANHALLI R. S.
Published: May 2016

The synthesis of the title compounds erivanin (VI) and 1‐epierivanin (VII) is carried out starting from santonin (I) via the common intermediate alcohol (III).
ChemInform Abstract: Solid‐Phase Synthesis of Oligodeoxynucleotides Containing Phosphoramidate Internucleotide Linkages and Their Specific Chemical Cleavage.
Authors: BANNWARTH W.
Published: May 2016

Oligopeptides bearing phosphoramidate internucleotide linkages can be prepared by standard solid‐phase DNA synthesis.
ChemInform Abstract: Synthesis of Benzopyran Derivatives. Part 2. Synthesis of Analogues of Natural Precocenes Containing a 5‐Methyl Substituent.
Authors: TIMAR T. , JASZBERENYI J. C. , HOSZTAFI S.
Published: May 2016

Precocenes destroy the corpora allata, the juvenile hormone‐producing organ, of several insects.
ChemInform Abstract: Synthesis and Antifungal Activity of Novel 5‐(4‐Halobenzoyl)‐4‐amino‐3‐(2‐dialkylaminoethylthio)thieno(2,3‐c)((3,2‐d))isothiazole Derivatives.
Authors: ROMEO G. , BOUSQUET E. , PAPPALARDO M. S. , RONSISVALLE G. , OLIVERI S. , CAMMARATA E.
Published: May 2016

Coupling of the dimercaptothiazole (II) with the ω‐bromoacetophenones (I) and subsequent reaction with the 2‐chloroethylamines (IV) leads to the formation of the thieno(2,3‐c)isothiazoles (V).
ChemInform Abstract: Synthesis of α‐ and γ‐Alkyl Substituted Phosphinothricins: Potent New Inhibitors of Glutamine Synthetase.
Authors: LOGUSCH E. W. , WALKER D. M. , MCDONALD J. F. , LEO G. C. , FRANZ J. E.
Published: May 2016

Reaction of 2‐cyclohexenone (I) with diethyl methylphosphonite (II) in ethanol (III) yields the acetal (IV) which is hydrolyzed with aqueous hydrochloric acid to form the ketone (V).
ChemInform Abstract: Thermal Neutron Irradiation of Y‐Ba‐Cu‐O Superconductor
Authors: HASTINGS I. J. , PALMER B. J. F. , GIN A. Y. H. , SCOBERG J. A. , THATCHER J. C. , TOWNER J.
Published: May 2016

is performed at 360 K with a well‐thermalized flux of 1.82·1017 n/(m2·s).
ChemInform Abstract: Synthesis and Properties of Dioxygenyl Tetrafluoroargentate(III).
Authors: KISELEV YU. M. , POPOV A. I. , BUKHARIN K. V. , TIMAKOV A. A. , KOROBOV M. V.
Published: May 2016

Reaction between O2F2 and Ag compounds, conducted in ClF5, affords the title compound O2+AgF4‐ along with AgF3.
ChemInform Abstract: Semifluorinated Hydrocarbons: Primitive Surfactant Molecules.
Authors: TURBERG M. P. , BRADY J. E.
Published: May 2016

(Ia) and (Ib) form reversed micelles in perfluorotributylamine and perfluorooctane, respectively.
ChemInform Abstract: Kinetic Study of the Effect of (OC)3Cr π‐Complexation Upon the Reactivities of Tropone Acetals and Related Tropylium Cations.
Authors: LECKEY N. T. , WATTS W. E. , BUNTON C. A. , MOFFATT J. R.
Published: May 2016

Nucleophilic additions of alkoxides (II)/(III) to the complexed cations (I) are exo‐stereoselective to give the acyclic acetal complexes (IV).
ChemInform Abstract: Mechanism of the Nucleophilic Addition to 2,3‐Dihydrodipyrrin‐1(10H)‐ones.
Authors: GRUBMAYR K. , WAGNER U. G.
Published: May 2016

Starting from any of compounds (II)‐(V) and MeOH (I), addition of TFA leads to an equilibrium mixture (after ca. 100 h) of (Z)‐(II), addition product (III), tautomer (IV), and (E)‐isomer (V) in the ratio 25:35:35:5.
ChemInform Abstract: Specific Deuterium Isotope Effects on the Rates of Electron Transfer within Geminate Radical‐Ion Pairs.
Authors: GOULD I. R. , FARID S.
Published: May 2016

Rates of electron transfer are measured for reactions in the Marcus "inverted region", namely within geminate radical ion pairs (I) and (IVb) to give the parent methylbenzenes (II) and cyanoanthracenes (III)/(V).
ChemInform Abstract: Time‐Dependent Metastable Fragmentations. The CH2OH Loss from Methyl Acetate Ions.
Authors: ARAKAWA R.
Published: May 2016

The metastable ion intensity for the loss of ·CH2OH from ionized CH3‐CO‐O‐CH3 is measured as a function of the ion‐source residence time up to 100 μs by means of the ion‐trapping technique.
ChemInform Abstract: Oxidation of Benzylic and Allylic Alcohols with Cobalt(III) Acetate in Acetic Acid in the Presence and Absence of Sodium Bromide.
Authors: HIRANO M. , MORIMOTO T. , ITOH K.
Published: May 2016

Various substituted derivatives of benzyl alcohol such as (I) are oxidized to the corresponding aldehydes (II) using stoichiometric amounts of Co3+ in the presence of NaBr.
ChemInform Abstract: Aerobic Oxidative‐Carbonylation of Olefins. A Convenient Preparation of β‐Hydroxyalkanoic Acid Derivatives from Olefins.
Authors: URATA H. , FUJITA A. , FUCHIKAMI T.
Published: May 2016

The terminal olefines (I) react with carbon monoxide (II), acetic anhydride (III), and oxygen in the presence of sodium chloride and palladium and copper dichloride in acetic acid to form the mixed β‐acetoxycarboxylic anhydrides (IV).
ChemInform Abstract: Syntheses of New Ether‐Esters of Glycerol.
Authors: NUTIU M. , IDITOIU C. , DENES E.
Published: May 2016

Starting with the butyl glycide ether (I) or the hydroxy diether (VI) the alkoxy esters (III), (V) or (VIII) are prepared as shown in the reaction scheme.
ChemInform Abstract: Synthesis and Antiviral Activity of Hydroxyalkyl Derivatives of 2‐Benzyl‐ and 2‐(α‐Hydroxybenzyl)benzimidazoles.
Authors: YAVORSKII A. E. , RESHOT'KO L. N. , KUCHERYAVENKO A. A. , FLORENT'EV V. L.
Published: May 2016

The benzimidazole (I) is coupled with the diacetate (II) to give the N‐alkylated derivative (III) which is deprotected, forming the acyclic nucleoside (IV).
ChemInform Abstract: Synthesis and in vitro Antibacterial Activity of a New Series of Monobactam Derivatives.
Authors: VALCAVI U. , AVETA R. , BRANDT A. , CORSI G. B. , BOSONE E. , FARINA P. , GUAZZI G.
Published: May 2016

Coupling of the (Z)‐hydrazones (III), prepared from sodium 2‐aminothiazolylglyoxylate (I) and the hydrazines (II), with the in situ formed 3‐aminoazetidinesulfonate (IV) yields the title compounds (VI) under Z → E‐isomerization.
ChemInform Abstract: Some Novel Aspects of Regioselectivity in 1,3‐Dipolar Cycloadditions of 4H‐1‐Benzopyran‐4‐thione.
Authors: BARUAH A. K. , PRAJAPATI D. , SANDHU J. S.
Published: May 2016

The reaction of the title thione (I) with the nitrilimines (II) and (IV) leads to the cycloadducts (III) and (V), respectively.
ChemInform Abstract: A New Synthetic Route to 4,6‐Diarylpyridazinones and Some of Their Derivatives.
Authors: COUDERT P. , COUQUELET J. , TRONCHE P.
Published: May 2016

The chalcones (I) react with acetone cyanohydrin (II) to give the addition products (III) which are hydrolyzed to form the carboxylic acids (IV).
ChemInform Abstract: Synthesis of Substituted 5‐(3‐Oxobutyl)pyrimidines via Palladium‐Catalyzed Coupling Reactions of Iodopyrimidines with Methyl Vinyl Ketone.
Authors: WADA A. , YASUDA H. , KANATOMO S.
Published: May 2016

Palladium‐catalyzed coupling of the bromopyrimidines (IX) with methyl vinyl ketone (X) give the unsaturated ketones (XI), whereas analogous reaction of the iodopyrimidines (IV) and (VIII) with (X) yields predominantly the saturated ketones (XII) and (XIV).
ChemInform Abstract: Synthesis of Thiazolo(3,2‐a)pyrimidines and Oxazolo(3,2‐a)pyrimidinium Salts from 3‐Isothiocyanato‐2‐propeniminium Salts and α‐Aminocarbonyl Compounds.
Authors: LIEBSCHER J. , HASSOUN A.
Published: May 2016

Reaction of the 3‐isothiocyanato‐2‐propeniminium salts (I) with α‐aminoacetophenone hydrobromide (II) yields the 1‐phenacylpyrimidines (III) which are cyclized upon treatment with polyphosphoric acid, forming the thiazolopyrimidinium salts (IV).
ChemInform Abstract: (6π + 4π)Cycloadditions of 5‐Azoniafulvene Ions with Nitrones and Azomethinimines.
Authors: BURGER U. , BRINGHEN A. O.
Published: May 2016

The ammonium salt (I) reacts with the nitrones (II), producing the pyrroloxadiazines (III).
ChemInform Abstract: Bond‐Delocalized Betaines. Part 1. Novel Nitrogen, Phosphorus, and Arsenic Betaines of Maleic Anhydride by a Three‐Component Reaction.
Authors: SCHMIDT A. H. , GOLDBERGER W. , DUEMMLER M. + , AIMENE A.
Published: May 2016

Reaction of dichloromaleic anhydride (II) with N‐heterocycles such as (I) or (IV), triphenylphosphine (VIa), or triphenylarsine (VIb) yields the betaines (III), (V), and (VII).
ChemInform Abstract: Synthesis of N‐Succinimidyl‐2,4‐dimethoxy‐3‐(tri‐N‐butylstannyl)benzoate via Regiospecifically Generated Lithium 2,4‐Dimethoxy‐3‐lithiobenzoate.
Authors: NARULA A. S. , ZALUTSKY M. R.
Published: May 2016

2‐Hydroxy‐4‐methoxybenzaldehyde (I) reacts with mercuric acetate (II) and sodium bromide to form the isomeric organomercury derivatives (III) and (IV).
ChemInform Abstract: Synthesis and Structures of Phosphinidene and Phosphido Complexes of Iron and Cobalt.
Authors: ARIF A. M. , COWLEY A. H. , PAKULSKI M. , PEARSALL M.‐A. , CLEGG W. , NORMAN N. C. , ORPEN A. G.
Published: May 2016

Treatment of the anionic dicobalt complex (I) with the P‐dichloride (II) results in formation of the dicobalt phosphinidene complex (III) and the diphosphene (IV).
ChemInform Abstract: Complexes of Ligands Providing Endogenous Bridges. Part 6. The X‐Ray Crystal Structure and Magnetic Properties of a Hexanuclear Copper(II) Aggregate Bearing μ3‐Cu3(OH) Cores Supported by 4‐Nitro‐2,6‐bis((salicylideneamino)methyl)phenolate Ligands.
Authors: BAILEY N. A. , FENTON D. E. , MOODY R. , SCRIMSHIRE P. J. , BELORITZKY E. , FRIES P. H. , LATOUR J.‐M.
Published: May 2016

The adventitious self‐assembly of the hexanuclear aggregate (I) during the recrystallization of a dinuclear Cu(II) hydroxo‐complex of the ligand is reported together with an account of the magnetic properties of (I).
ChemInform Abstract: Preparation, Characterization, and Intramolecular Electron‐Transfer Studies on the Penta‐ammineruthenium Histidine‐Modified High‐Potential Iron‐Sulfur Protein from Chromatium vinosum.
Authors: JACKMAN M. P. , LIM M.‐C. , SYKES A. G. , SALMON G. A.
Published: May 2016

The high‐potential iron‐sulfur protein from the title species contains a single histidine residue, His 42, the location of which is known from the X‐ray crystal structure.
ChemInform Abstract: Carbocationic Cyclizations and Rearrangements in the Damascone Series.
Authors: HEILMANN W. , AZIZUR‐RAHMAN AZIZUR‐RAHMAN , BAEUML E. + , MAYR H.
Published: May 2016

The tert. chloride (V) is regio‐ and stereoselectively synthesized starting from the compounds (I) and (II) via the intermediate (III).
ChemInform Abstract: Synthesis of 4‐O‐Acetyl‐2,3‐dideoxy‐3‐(tetrabromophthalimido)‐D‐threo‐pentopyranosyl Chloride.
Authors: MOTAWIA M. S. , PEDERSEN E. B.
Published: May 2016

Treatment of the isomeric mixture of the acetylated 2,3‐dideoxy‐3‐tetrabromophthalimido‐D‐pentoses (I) ‐ (III) with hydrogen chloride yields selectively the title compound (IV).
ChemInform Abstract: A Novel Approach to the Synthesis of C‐Glycosyl Compounds: The Wittig Rearrangement.
Authors: GRINDLEY T. B. , WICKRAMAGE C.
Published: May 2016

Partially protected benzylpyranosides such as (I) are subjected to Wittig rearrangement, forming diastereomeric mixtures of carbinols such as (II) and (III).
ChemInform Abstract: Synthetic Microbial Chemistry. Part 20. Synthesis of Trichostatin A, a Potent Differentiation Inducer of Friend Leukemic Cells, and Its Antipode.
Authors: MORI K. , KOSEKI K.
Published: May 2016

The ester (R)‐(I), a chiral building block of microbial origin, is used as starting material in the synthesis of natural trichostatic acid (R)‐(IX) and natural trichostatin (R)‐(XI).
ChemInform Abstract: Organophosphorus Analogues and Derivatives of the Natural L‐Amino Carboxylic Acids and Peptides. Part 1. Enzymatic Synthesis of D‐, DL‐, and L‐Phosphinothricin and Their Cyclic Analogues.
Authors: NATCHEV I. A.
Published: May 2016

The lactam (I) of L‐2,4‐diaminobutanoic acid undergoes acetylation and phosphinylation to give the butanamide (IV).
ChemInform Abstract: An Advanced Selective Reduction Process for NOx Control.
Authors: HEAP M. P. , CHEN S. L. , KRAMLICH J. C. , MCCARTHY J. M. , PERSHING D. W.
Published: May 2016

A new method for reducing NO and NO2 emissions formed by the combustion of coal and heavy oil consists in a selective reduction process using cyanuric acid (II).
ChemInform Abstract: Novel Process for the Preparation of Fiber‐Reinforced Ceramic‐Matrix Composites.
Authors: HALLER W. , DESHMUKH U. V. , FREIMAN S. W.
Published: May 2016

The novel process involves the preparation of a slurry of the matrix powder in a solventless UV‐curing resin and coating of the fiber with this slurry in a continuous process.
ChemInform Abstract: Gas‐Phase Molecular Structure of Chromium Oxytetrafluoride, CrOF4.
Authors: HUANG J. , HEDBERG K. , SHREEVE J. M. , MALLELA S. P.
Published: May 2016

Electron‐diffraction data obtained for CrOF4 are consistent with C4v symmetry, although C2v‐type structures cannot be excluded.
ChemInform Abstract: Vibrational Analysis of Sublevel Phosphorescence Spectra of Potassium Tetrakis(μ‐diphosphonato)diplatinate(II). Mechanism of Radiative Transition for the Electronically Forbidden A1u Spectrum.
Authors: IKEYAMA T. , YAMAMOTO S. , AZUMI T.
Published: May 2016

Well‐resolved phosphorescence spectra of K4(Pt2(P2O5H2)4)·2 H2O are observed for both the A1u and Eu spin sublevels.
ChemInform Abstract: Cross Polarization Magic Angle Spinning Proton NMR Spectroscopy of Solids.
Authors: CROSBY R. C. , REESE R. L. , HAW J. F.
Published: May 2016

It is found that cross polarization from low‐γ nuclei to protons provides a convenient means of identifying resonances corresponding to relatively immobile protons closely associated with the low‐γ nuclei.
ChemInform Abstract: Standard Molar Enthalpies of Formation of IrM (M: Ti, Zr, or Hf) and of OsTi by High‐Temperature Mixing Calorimetry.
Authors: TOPOR L. , KLEPPA O. J.
Published: May 2016

The standard molar enthalpies of formation ΔfH°m of the intermetallic title compounds are determined at 1473 K to be ‐168.6 (IrTi), ‐171.3 (IrZr), ‐193.3 (IrHf), and ‐136.9 kJ/mol (OsTi).