bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: New Oxochromates: SrCr10O15 and BaCr10O15 Containing Divalent Chromium: MCr2+ 2Cr3+ 8O15.
Authors: CUNO E. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

The mixed‐valent oxochromates (III), synthesized as outlined in the scheme, both crystallize in the BaV10O15 structural type (orthorhombic, Ccmb, Z=4).
ChemInform Abstract: Crystal Chemistry of Alkaline Earth Oxochromates(V): Sr3(CrO4)2 and Sr18Ca3Cr14O56.
Authors: CUNO E. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

According to single‐crystal XRD studies, the oxochromate (IV) crystallizes in a structure of the Ba3(PO4)2 type (R3m, Z=3).
ChemInform Abstract: Synthesis and Crystal Structure of the μ‐Dinitridosulfato(II) Complex (Na‐15‐crown‐5)2(μ‐(NSN)(MoF5)2).
Authors: EL‐KHOLI A. , VOELP K. + , MUELLER U. + , DEHNICKE K.
Published: May 2016

The black, moisture‐sensitive crystals of the title complex, obtained as outlined in the scheme, belong to the space group P21/n with Z=4.
ChemInform Abstract: Synthesis and Crystal Structure of the Nitrido Complex (Na‐15‐crown‐5)2(MoNF4)2·2 MeCN.
Authors: VOELP K. + , DEHNICKE K. , FENSKE D.
Published: May 2016

The title compound (IV) crystallizes in the space group P1 with Z=1.
ChemInform Abstract: Thermal Behavior of Cesiumchloroferrates(III). Part 4. The Crystal Structure of Cs3(FeCl5(H2O))Cl and Its Topotactic Formation from Cs2(FeCl5(H2O)) and CsCl.
Authors: ZIEMER B. , FEIST M. , HASS D. , LEIBNITZ P.
Published: May 2016

The title compound (III) crystallizes in the triclinic space group P1 with Z=2.
ChemInform Abstract: Syntheses and Crystal Structures of the Phases 6R‐CuxM1+yS2 (M: Nb, Ta).
Authors: HARBRECHT B. , KREINER G.
Published: May 2016

Single crystals of the title phases, which are formed during the thermal decomposition of 2H‐Cu0.66MS2, can be grown by chemical vapor transport reactions using iodine as the transportation agent in the temp. gradient 1320 → 1220 K. The structure of the trigonal crystallizing phases (I)‐(IV) (R3m, Z = 6) are determined from XRD data.
ChemInform Abstract: A New Mixed‐Valence Iodoplatinate(II,IV) (NH3Me)4Pt3I11 with PtI6, PtI4, and Pt2I6 Anions in the Crystal Structure.
Authors: THIELE G. , ROTTER H. W. , BAECHLE W. +
Published: May 2016

Black crystals of the mixed‐valent title platinate are synthesized from aqueous solution as outlined in the scheme.
ChemInform Abstract: Mixed‐Valence, Conjugated Semiquinones.
Authors: JOZEFIAK T. H. , ALMLOEF J. E. + , FEYEREISEN M. W. , MILLER L. L.
Published: May 2016

As already reported, the semiquinone (I)·‐ has a delocalized π‐electronic structure.
ChemInform Abstract: Host‐Guest Chemistry. Part 21. Additivities of Electrostatic and Hydrophobic Interactions in Host‐Guest Complexes.
Authors: SCHNEIDER H.‐J. , THEIS I.
Published: May 2016

The differences between the enthalpies of the complexation of (I) with (IIa), (IIb) and (IIc) or of (III) with NMe4+ correlate with the number of ion pairs.
ChemInform Abstract: Synthesis of Organofluorine Building Blocks. Part 3. An Electrochemical Preparation and Reaction of Dimethyl 2,3‐Bis(2,2,2‐trifluoroethyl)succinate.
Authors: UNEYAMA K. , MAKIO S. , NANBU H.
Published: May 2016

Electrochemical coupling of trifluoroacetic acid (I) with methyl acrylate (II) using Pt foil electrodes in an alkaline medium produces the bissuccinate (III) mentioned in the title.
ChemInform Abstract: A Kinetic Study of Sulfide Oxidation by Sodium Hypochlorite Using Phase‐Transfer Catalysis.
Authors: RAMSDEN J. H. , DRAGO R. S. , RILEY R.
Published: May 2016

Phase‐transfer catalysis results in nearly complete oxidation of dibutylsulfide (II) in 20 min, with high selectivity to sulfoxide (I), compared to 5 h in its absence.
ChemInform Abstract: An Enantioselective Central‐Axial‐Central Chiral Element Transfer Process Leading to a Concise Synthesis of (+)‐Sterpurene: Intramolecular Diels‐Alder Reactions of Vinylallene Sulfoxides.
Authors: GIBBS R. A. , BARTELS K. , LEE R. W. K. , OKAMURA W. H.
Published: May 2016

The intramolecular Diels‐Alder reactions of the vinylallenes (IV) or (VII) give the tricyclic compounds (V) or (VIII); the latter can be further converted to (V).
ChemInform Abstract: Scope and Stereochemistry of the Tandem Intramolecular Cyclopropanation/Cope Rearrangement Sequence.
Authors: DAVIES H. M. L. , MCAFEE M. J. , OLDENBURG C. E. M.
Published: May 2016

The 2,4‐pentadienyl diazobutenoates (V), prepared as shown in the reaction scheme, are subjected to Rh(II)‐catalyzed denitrogenation and subsequent carbene cyclization, forming the cycloheptafuranones (VI).
ChemInform Abstract: Novel Rearrangement of 5,6‐Disubstituted Bicyclo(4.2.0)octan‐2‐ones with AlCl3. Application to Total Synthesis of (.+‐.)‐5‐Oxosilphiperfol‐6‐ene and (.+‐.)‐Silphiperfol‐6‐ene.
Authors: KAKIUCHI K. , UE M. , TSUKAHARA H. , SHIMIZU T. , MIYAO T. , TOBE Y. , ODAIRA Y. , YASUDA M. , SHIMA K.
Published: May 2016

Scope and limitations of the rearrangement described recently for the substrate (I) with m = n = 1 are explored.
ChemInform Abstract: The Wittig Rearrangement as a Practical Method for Aldehyde Synthesis.
Authors: SCHLOSSER M. , STRUNK S.
Published: May 2016

A new procedure for the synthesis of aldehydes from allyl ethers is developed which, contrary to existing methods, involves an intramolecular transfer, thus permitting the introduction of a wider variety of alkyl groups to the allyl moiety.
ChemInform Abstract: Photoreactions of 4,5‐Diarylimidazoles: Singlet Oxygenation and Cyclodehydrogenation.
Authors: PURUSHOTHAMAN E. , PILLAI V. N. R.
Published: May 2016

On irradiation in alcoholic solutions and in the presence of methylene blue, the imidazoles (I) undergo singlet oxidation and cleavage to give the ureas (II).
ChemInform Abstract: Reduction of 2,5‐Dialkylpyrrolines. A Key Step in a Synthesis of Natural Insecticides.
Authors: BACOS D. , CELERIER J. P. , MARX E. , SALIOU C. , LHOMMET G.
Published: May 2016

Dialkylpyrrolines such as (I) are reduced with various hydrides in different solvents, yielding mixtures of the cis‐ and trans‐disubstituted pyrrolidines (II) with predominance of the cis‐isomers.
ChemInform Abstract: Stereoselective Solvolyses of Activated Esters in the Aggregate System of Imidazole‐Containing Copolymeric Surfactants.
Authors: CHO I. , LEE B.‐J.
Published: May 2016

Copolymers of the compounds (I) and (II) are used as catalysts in the solvolysis of N‐carbobenzoxy‐D‐ and L‐phenylalanine p‐nitrophenyl ester (D‐ and L‐CPP).
ChemInform Abstract: Reaction of Trifluoromethyl Ketones. Part 5. Dehydration of Trifluoromethylated Homoallyl Alcohols: Synthesis of Trifluoromethylated Dienes.
Authors: NAGAI T. , HAMA M. , YOSHIOKA M. , YUDA M. , YOSHIDA N. , ANDO A. , KOYAMA M. , MIKI T. , KUMADAKI I.
Published: May 2016

Treatment of the homoallyl alcohols (I) with phosphorus oxychloride in pyridine leads to the formation of the dienes (II).
ChemInform Abstract: Alkynes and Cumulenes. Part 21. 2‐Ethinyl‐1,3‐butadiene ‐ A Novel Diene for the Diels‐Alder Reaction.
Authors: BADER H. , HOPF H. , JAEGER H. +
Published: May 2016

The known title compound (III) has a vast potential as a Diels‐Alder diene in view of the synthetic possibilities for subsequent derivatization of its alkyne moiety.
ChemInform Abstract: 1‐Formyl‐ and 1‐Diazoalkanesulfonates.
Authors: BERKESSEL A. , VOGES M.
Published: May 2016

The deprotection of the sulfonic acid esters (I) with BuLi and subsequent reaction with ethyl formate (II) afford the formylation products (III); (IIIb)‐(IIId) can be directly isolated.
ChemInform Abstract: Preparation of “Free” Sulfoximines by Treatment of N‐Tosylsulfoximines with Sodium Anthracenide.
Authors: JOHNSON C. R. , LAVERGNE O.
Published: May 2016

The N‐tosylsulfoximines (I) are desulfonated upon treatment with sodium anthracenide for a few minutes to give the "free" sulfoximines (IIa) ‐(IId).
ChemInform Abstract: New Bridgehead‐Substituted 1‐(Arylsulfonyl)bicyclo(1.1.0)butanes and Some Novel Addition Reactions of the Bicyclic System.
Authors: GAONI Y.
Published: May 2016

In view of planned syntheses of target cyclobutane derivatives, a series of ca. 30 3‐substituted bicyclobutanes such as (III) are prepared from the sulfones (I).
ChemInform Abstract: New Synthesis of Cyclobutane‐Anellated Compounds by the Use of a (1‐Cyclobutenyl)triphenylphosphonium Salt.
Authors: OKADA Y. , MINAMI T. , YAHIRO S. , AKINAGA K.
Published: May 2016

The cyclobutenyltriphenylphosphonium salt (I) is coupled with the sodium salts (II) of acylmethylmalonates, forming the (3.2.0)bicycloheptenes (III) which are hydrogenated to give the saturated derivatives (IV).
ChemInform Abstract: Mono‐ and Dialkylation of Derivatives of (1R,2S)‐2‐Hydroxycyclopentanecarboxylic Acid and ‐cyclohexanecarboxylic Acid via Bicyclic Dioxanones: Selective Generation of Three Contiguous Stereogenic Centers on a Cyclohexane Ring.
Authors: HERRADON B. , SEEBACH D.
Published: May 2016

The racemic oxocarboxylates (I) undergo baker's yeast reduction, saponification and cyclization to give the bicyclic dioxanones (IV).
ChemInform Abstract: 1,3‐Oxidative Rearrangement of Dienols.
Authors: MAJETICH G. , CONDON S. , HULL K. , AHMAD S.
Published: May 2016

The cyclohexenones (I) react with vinyllithium (II) to form the diallylic alcohols (III) which undergo oxidative rearrangement, yielding the conjugated dienones (IV).
ChemInform Abstract: Tautomerism of N‐Substituted Aminotroponimines with N‐Alkylidenepropanedinitrile Groups ‐ Examples for Stable Intermediates of a Nucleophilic Substitution at a C=C Bond.
Authors: RICHTER W. F. , HARTKE K. , MASSA W. , MUENNINGHOFF G. +
Published: May 2016

Attempted N‐acylations of the tautomeric (III) with AcCl (II) or analogues (IV) and (VII) are misleading; either C(4)‐alkylation (→ (I) and (V), respectively) or deamination products (→ (VI), with mesomeric dipole structure) are obtained.
ChemInform Abstract: Regiospecific and Stereospecific Synthesis of E‐ and Z‐Trisubstituted Alkenes via 2,2‐Disubstituted Vinylsilanes.
Authors: CHOU S.‐S. P. , KUO H.‐L. , WANG C.‐J. , TSAI C.‐Y. , SUN C.‐M.
Published: May 2016

The vinylsilanes (IV), obtained from the Grignard agents (I), the terminal alkynes (II), and chlorotrimethylsilane (III), are treated with electrophiles, e.g. bromine or acetyl chloride (VI), yielding trisubstituted olefins.
ChemInform Abstract: Acid‐Catalyzed Migration of the Methyl Substituent in the Dienone‐Phenol Rearrangement of p‐Quinol Ether.
Authors: HAHN Y.‐S. P.
Published: May 2016

Only the methyl group of the ether (I) migrates during the title rearrangement.
ChemInform Abstract: 2‐Azaallenium Salts from N‐Benzylidene‐α‐methoxybenzylamines.
Authors: WEIDNER R. , WUERTHWEIN E.‐U. +
Published: May 2016

A variety of ca. 15 phenyl‐substituted 2‐azaallenium salts such as (V) is prepared by treatment of the benzylidene‐benzylamines (III) with acylium salts.
ChemInform Abstract: 4‐(Phenylsulfonyl)butanoic Acid. Preparation, Dianion Generation, and Application to Four‐Carbon Chain Extension.
Authors: THOMPSON C. M. , FRICK J. A.
Published: May 2016

The phenylsulfonylcarboxylic acid (VI) mentioned in the title is prepared from the bromobutanoate (I) via transhalogenation, sulfonation, and saponification.
ChemInform Abstract: Synthesis of the Angular Ring Tetrahydro Epoxides of the Carcinogens 7‐and 12‐Methylbenz(a)anthracene and 7,12‐Dimethylbenz(a)anthracene.
Authors: LEHR R. E. , KOLE P. L. , SINGH M. , TSCHAPPAT K. D.
Published: May 2016

Starting with the tetrahydrobenzanthracenedione (I), the (di)methyldihydrobenzanthracenes (VIII) and (XII) are prepared via the diacetate (VI) or the trione (XI).
ChemInform Abstract: Claisen Rearrangement of O‐Perfluoroalkenyloximes.
Authors: ZEIFMAN YU. V. , KAITMAZOVA G. S. , ROKHLIN E. M. , GAMBARYAN N. P.
Published: May 2016

Dehydrofluorination of O‐fluoroalkenyloxime (III), obtained from acetone oxime (II) and perfluoroisobutene (I), gives the pyrrolinone (IV).
ChemInform Abstract: Attempted Cyclization of Indole‐3‐alkanols with Trifluoroacetic Anhydride: Synthesis of N,O‐Bis‐trifluoroacetylalkylindoles.
Authors: BISWAS K. M. , DHARA R. N. , MALLIK H. , ROY S.
Published: May 2016

Attempted cyclization of the alcohols (II) according to A) does not give the desired spiro products (I) but the N,O‐bis‐trifluoroacetyl derivatives (III).
ChemInform Abstract: Synthesis of Indolo(2,3‐a)pyrrolo(3,4‐c)carbazoles by Double Fischer Indolizations.
Authors: BERGMAN J. , PELCMAN B.
Published: May 2016

Diels‐Alder reaction of the bissiloxydiene (I) with the maleimides (II) gives the cycloadducts (III) which are converted to the bishydrazones (V).
ChemInform Abstract: A Nucleophilic Reaction of 2H‐Benzimidazole‐2‐spirocyclohexane with Arylidenemalononitriles and Their Analogues.
Authors: KONWAR D. , BORUAH R. C.
Published: May 2016

The title reaction between (I), a precursor of substituted phenylenediamines which are important starting materials for a wide range of N‐heterocycles, and (II) or (V) under the conditions shown gives the products (III) or (VI).
ChemInform Abstract: Saturated Heterocycles. Part 155. Ring Transformations of 1,3‐Benzothiazines. Part 6. Synthesis of 1,2‐Benzisothiazoles by the Oxidative Ring Contraction of 2‐Aryl‐ and 4‐Aryl‐3,4‐dihydro‐2H‐1,3‐benzothiazines.
Authors: SZABO J. , SZUCS E. , FODOR L. , BERNATH G. , SOHAR P.
Published: May 2016

Saturated Heterocycles.
ChemInform Abstract: Regiospecific Palladium‐Catalyzed Tandem Cyclization‐Anion Capture Processes. Stereospecific Group Transfer from Organozinc and Organoboron Reagents.
Authors: BURNS B. , GRIGG R. , SRIDHARAN V. , STEVENSON P. , SUKIRTHALINGAM S. , WORAKUN T.
Published: May 2016

The o‐(alkynylamino)phenyl iodides (I) are treated with phenylzinc chloride (II) in the presence of a Pd(II) complex to produce the indole derivatives (IIIa) and (IIIc).
ChemInform Abstract: A Convenient and Facile Synthesis of 1‐Aroyl‐4‐oxo‐5‐substituted‐pyrazolo(3,4‐d)pyrimidine‐6‐thiones.
Authors: MISHRA B. , NIZAMUDDIN NIZAMUDDIN
Published: May 2016

The title compounds (V) are tested for their antifungal activity and the results are tabulated.
ChemInform Abstract: Purines. Part 8. Reactions of 1‐Benzoyl‐1,6‐dihydro‐9‐phenyl‐9H‐purine‐6‐carbonitrile (9‐Phenylpurine Reissert Compound) with Acid, Bases, and Electrophiles.
Authors: TANJI K. , SATO S. , MIYASHITA A. , OISHI E. , HIGASHINO T.
Published: May 2016

Acidic hydrolysis of the title compound (I) leads to the formation of the ring fission products (II) and (III), whereas alkaline hydrolysis of (I) yields 9‐phenyl‐9H‐purine (IV) and benzoic acid (V).
ChemInform Abstract: A Novel Class of Antiulcer Agents. 4‐Phenyl‐2‐(1‐piperazinyl)quinolines.
Authors: HINO K. , KAWASHIMA K. , OKA M. , NAGAI Y. , UNO H. , MATSUMOTO J.
Published: May 2016

Hydrogenation and subsequent acetylation of the 2‐nitrobenzophenones (I) lead to the formation of the 2‐acetylaminobenzophenones (IIIa) ‐(IIIc).
ChemInform Abstract: Syntheses of 3b,4,6,7‐Tetrahydro‐5H,9H‐pyrazino(2,1‐c)pyrrolo(1,2‐a)(1,4)benzodiazepine, a Valuable Precursor of Potential Central Nervous System Agents.
Authors: MASSA S. , MAI A. , ARTICO M. , CORELLI F. , BOTTA M.
Published: May 2016

The novel tetracyclic ring system (Vb) has recently been synthesized in order to obtain a product with psychotropic activity.
ChemInform Abstract: Synthesis of the Benzazepin‐4‐one Ring System via Dipolar Cycloaddition of N‐Phenylnitrones with Activated Allenes.
Authors: PADWA A. , KLINE D. N. , NORMAN B. H.
Published: May 2016

1,3‐Dipolar cycloaddition reaction of the N,C‐diphenylnitrone (I) with the allenes (II) gives the benzazepinones (III) as the main products, together with the indoles (IV) and the pyrrolidinone (Vb).
ChemInform Abstract: Photorearrangements of Benzyl Phosphites. Stereochemistry at Phosphorus.
Authors: CAIRNS S. M. , BENTRUDE W. G.
Published: May 2016

The benzyl phosphites (I) and (V) undergo photochemically‐induced rearrangement, yielding the phosphonates (II) and (VI).
ChemInform Abstract: Regioselective Syntheses of Substituted Thioxanthen‐ and Selenoxanthen‐9‐one Derivatives.
Authors: WATANABE M. , DATE M. , TSUKAZAKI M. , FURUKAWA S.
Published: May 2016

Lithiation of the benzamides (I) and (IV) with sBuLi and subsequent sulfuration lead to the formation of the thiosalicylic amides (II) and (V).
ChemInform Abstract: Synthesis and Spectroscopic Studies of the Complexes of Biuret with Alkaline Earth Metal Halides.
Authors: GOODGAME M. , HUSSAIN I.
Published: May 2016

A variety of complexes (I)‐(IV) are prepared from the metal halides and biuret (no yields given) and characterized by IR spectra between 4000‐400 cm‐1 to distinguish the mode of coordination of biuret in these complexes.
ChemInform Abstract: Mercury(II) Complexes of Vitamin B1.
Authors: ADEYEMO A. O.
Published: May 2016

The title complexes (I) and (II) are prepared using a published method and characterized by IR, 1H and 13C NMR spectra.
ChemInform Abstract: Synthesis and Molecular Structure of Tetrakis(bis(trimethylsilyl)methyl)digallane(4) with a Ga‐Ga Bond.
Authors: UHL W. , LAYH M. , HILDENBRAND T.
Published: May 2016

The digallane (III) is produced by reaction of the tetrabromodigallane (I) with the bis(silyl)methyllithium agent (II).
ChemInform Abstract: N,N′‐Ethylenebis(acetylacetoneiminato)titanium Complexes: Synthesis, Crystal Structures, and Properties of Titanium(III) and Titanium(IV) Derivatives.
Authors: MAZZANTI M. , ROSSET J.‐M. , FLORIANI C. , CHIESI‐VILLA A. , GUASTINI C.
Published: May 2016

The title complexes are investigated by X‐ray diffraction.
ChemInform Abstract: Organoboration of Alkynylstannanes. Part 25. Synthesis and Multinuclear NMR Spectroscopy of Organometal‐Substituted Stannacyclopentadienes.
Authors: WRACKMEYER B.
Published: May 2016

The dialkynyldimethylstannane (I) reacts with the acyclic trialkylboranes (II) to give the stannacyclopentadienes (III).
ChemInform Abstract: Crystal Structure and Magnetic Property of the Binuclear Manganese(III) Complex (Mn(L)H2O)2(ClO4)2 (L: N‐(acetylacetonylidene)‐N′‐(α‐methylsalicylidene)ethylenediamine).
Authors: MATSUMOTO N. , ZHONG Z. J. , OKAWA H. , KIDA S.
Published: May 2016

The new dinuclear title complex (I) is obtained by the reaction of Mn(III) acetate dihydrate with the ligand in methanol (no yield given) and characterized by X‐ray structure analysis (space group P1, Z=2).
ChemInform Abstract: Asymmetric Synthesis of Differentially Protected α‐Alkyl Succinates.
Authors: BASHIARDES G. , COLLINGWOOD S. P. , DAVIES S. G. , PRESTON S. C.
Published: May 2016

The chiral acyliron complexes (III), prepared by alkylation of the acetyl complex (I) with the iodides (II), are diastereoselectively coupled with the bromoacetate (IV) to produce the new iron succinoyl complexes (V).
ChemInform Abstract: Synthesis and Reactivity of the Polynuclear Formyl Cluster PhCCo3(CO)8(CHO)‐. Evidence for Facile Metalloformyl C‐H Bond Scission.
Authors: DUMOND D. S. , HWANG S. , RICHMOND M. G.
Published: May 2016

The reduction of the cluster (I) with LiBHEt3 affords the polynuclear formyl complex (II).
ChemInform Abstract: Charge‐Transfer Complexes of Metal Dithiolenes. Part 4. Viologens as Redoxactive Acceptors ‐ Synthesis and Electrical Conductivity.
Authors: NUESSLEIN F. + , PETER R. , KISCH H.
Published: May 2016

Some 30 title compounds of types such as (I)‐(III) are prepared from viologens such as (Vio) or related bipyridylium halides and mono‐ or dianionic metal dithiolenes (IR, UV‐VIS).
ChemInform Abstract: Reactivity of Metal Chelates of Sulfur Containing Ligands Toward Lewis Bases. Part 4. Reaction of Bis(‐2‐((1‐methyl‐2‐oxo‐propylidene)hydrazine‐S‐methylcarbodithioato)NSO(‐1))nickel(II) with Amines.
Authors: MASSOUD S. S. , EL‐SAYED L. , ISKANDER M. F.
Published: May 2016

Kinetics and mechanism of the reaction of the title complex (I) with heterocyclic amines (Py and methyl derivatives), sec. aliphatic amines (e.g.
ChemInform Abstract: Precursor Catenand Complexes: Synthesis, Structure, and Electrochemistry of Bis(2,6‐di‐iminopyridyl) Complexes of Nickel(II). The Single‐Crystal X‐Ray Structure of (NiL4 2) (BF4)2.
Authors: BLAKE A. J. , LAVERY A. J. , HYDE T. I. , SCHROEDER M. +
Published: May 2016

The reaction of Ni(BF4)2 with 2 equiv. of diiminopyridyl ligands in EtOH/CH2Cl2 (4:1) under reflux affords the complexes (I).
ChemInform Abstract: Synthesis and Characterization of Imidazolate‐Bridged Iron(III)‐Copper(II) and Manganese(III)‐Copper(II) Binuclear Complexes.
Authors: MATSUMOTO N. , MAEDA Y. , OKAWA H. , AKUI T. , KAWAJI T. , OHYOSHI A. , KODERA M. , OSHIO H. , KIDA S.
Published: May 2016

The complex (II), with its imidazolate moiety incorporated in an unsymmetrical quadridentate ligand so that the complex can function as an unidentate ligand, is used as the copper(II)‐site component of the complexes (IV).
ChemInform Abstract: Dinuclear Complexes of Tetrathia(10)metallocenophanes with Silver(I) Ion: Slightly Distorted Square‐Pyramidal Coordination of Ag(I) Ion.
Authors: AKABORI S. , SATO S. , SATO M. , TAKANOHASHI Y.
Published: May 2016

The structure of the dimeric complexes (III) is confirmed by an X‐ray analysis of (IIIc) (space group P21/a, Z=4).
ChemInform Abstract: Gold(I) Complexes Derived from Secondary Phosphines: ((Au(μ‐PR2))n), ((AuBr)2(μ‐PPh2))‐, (AuX(PHR2)), and ((Au(PHR2)n))+. Crystal Structure of (AuBr(PHPh2)).
Authors: DYSON D. B. , PARISH R. V. , MCAULIFFE C. A. , PRITCHARD R. G. , FIELDS R. , BEAGLEY B.
Published: May 2016

The interaction of sec. phosphines with gold(I) complexes leads either to (I) and (II) or to the polymers (III), depending on the nature of X, the solvent used and the presence or absence of additional base (e.g.
ChemInform Abstract: Synthesis, Characterization and Photochemistry of (Rh2(diisocyanide)4Re2(CO)10)(PF6)2 Complexes (diisocyanide: 1,3‐diisocyanopropane; 2,5‐diisocyano‐2,5‐dimethylhexane; 1,8‐diisocyano‐p‐menthane).
Authors: MIXA M. M. , SYKES A. , MANN K. R.
Published: May 2016

The tetranuclear complexes (III) are obtained by a photochemical synthesis.
ChemInform Abstract: Crystal Structures and Solution Dynamics of Mono‐ and Dinuclear Rhodium Complexes of Heterodinucleating Macrocyclic Ligands Containing the 2,6‐Di(thiomethyl)pyridine Subunit.
Authors: HELPS I. M. , MATTHES K. E. , PARKER D. , FERGUSON G.
Published: May 2016

Macrocycles, prepared from appropriate dithiols and 2,6‐di(bromomethyl)pyridine, react with Rh2Cl2(CO)4 in MeOH followed by addition of NH4PF6 to give the complexes (I) to (IV).
ChemInform Abstract: Preparation and Reactions of Bis(triphenylphosphine)palladium(0).
Authors: URATA H. , SUZUKI H. , MORO‐OKA Y. , IKAWA T.
Published: May 2016

Treatment of the allylpalladium complexes (I) with the silyllithium agent (II) results in the liberation of the two‐coordinate palladium(0) complex (III).
ChemInform Abstract: Nucleophilic Attack of Methanol on Bis(benzonitrile)dichloroplatinum: Formation of Mono‐ and Bis‐Imido Ester Derivatives.
Authors: FANIZZI F. P. , INTINI F. P. , NATILE G.
Published: May 2016

If the quantity of MeOH in the reaction solvent is small (CH2Cl2:MeOH=20:1) the monoimino ester derivatives (III) and (IV) or (VI) and (VII) with different conformations are isolated.
ChemInform Abstract: Platinum Metal Complexes of Potentially Chelating Alkene‐Thioether and Alkene‐Selenoether Ligands: Synthesis and Dynamic Nuclear Magnetic Resonance Study of (MX2(MeE(CH2)nCH=CH2)) (M: Pt or Pd; X: Cl, Br, or I; E: S or Se; n = 2 or 3) and the X‐Ray Structure of cis‐Dibromo(2‐thia‐6‐heptene)platinum(II), (PtBr2(MeS(CH2)3CH=CH2)).
Authors: ABEL E. W. , EVANS D. G. , KOE J. R. , SIK V. , BATES P. A. , HURSTHOUSE M. B.
Published: May 2016

Butenyl and pentenyl methyl chalcogenides react, as exemplified for (I), to give complexes (III) and (IV).
ChemInform Abstract: The Chemistry of Thujone. Part 13. Synthetic Studies in the Digitoxigenin Series.
Authors: KUTNEY J. P. , PIOTROWSKA K. , SOMERVILLE J. , HUANG S.‐P. , RETTIG S. J.
Published: May 2016

The thujone‐derived chiral synthon (I) is converted to the important cross‐conjugated dienone (II) and a new approach is developed to the construction of the butenolide ring system essential for the cardiac active steroids.
ChemInform Abstract: Androstane Derivatives: Synthesis of Substituted 6′H‐Androst‐2‐eno‐(3,2‐b)pyran‐6′‐ones.
Authors: CAFAGGI S. , PARODI B. , CIARALLO G. , MOSTI L.
Published: May 2016

Diels‐Alder reaction of the androstane derivatives (I) with dichloroketene, prepared in situ from dichloroacetyl chloride (II), and subsequent elimination of HCl produce the chloropyrones (III).
ChemInform Abstract: The Synthesis of 2′‐Deoxyadenosine via Stereospecific Coupling Reaction.
Authors: KAWAKAMI H. , MATSUSHITA H. , NAOI Y. , ITOH K. , YOSHIKOSHI H.
Published: May 2016

The adenine sodium salt (I) is coupled with 1α‐chloro‐2‐deoxyribose (II) in various solvents to yield the deoxyadenosine (III).
ChemInform Abstract: Cycloaddition Reactions of Cephalosporin Compounds. Part 8. Synthesis and 1,3‐Dipolar Cycloadditions of 2‐Methylenecephalosporins.
Authors: JASZBERENYI J. C. , PITLIK J. , KOLLAR K. , PETRIKOVICS I. , ERDODI‐KOEVER K. + , BATTA G.
Published: May 2016

Cephalosporin (S)‐sulfoxides such as (I), the synthesis of which is described, give Mannich reactions producing methylenecephalosporins such as (IV).
ChemInform Abstract: The 10‐Membered Ring Analogues of Neocarzinostatin Chromophore: Design, Synthesis, and Mode of Decomposition.
Authors: HIRAMA M. , FUJIWARA K. , SHIGEMATU K. , FUKAZAWA Y.
Published: May 2016

The title compounds (VIII) and (X) are prepared via the Pd‐mediated cyclization of the silylated alkynylstannane derived from (IV) to give the common intermediate (VII) following deprotection.
ChemInform Abstract: Vinyl Protecting Group for Benzimidazole Nitrogen: Synthesis of Benzimidazole‐Penam Alcohol.
Authors: CHEN Y. L. , HEDBERG K. G. , GUARINO K. J.
Published: May 2016

Benzimidazole (I) is N‐vinylated and then formylated to give the aldehyde (V).
ChemInform Abstract: Chemical Vapor Deposition of Rhenium on Graphite
Authors: ISOBE Y. , TANAKA M. , YAMANAKA S. , MIYAKE M.
Published: May 2016

at 500‐700 °C using Re2(CO)10 as precursor yields adhesive and dense rhenium coatings.
ChemInform Abstract: Bi‐Intercalation into Graphite: Two Structural Arrangements for Gold Trichloride.
Authors: VANGELISTI R. , PERIGNON A. , PERNOT P.
Published: May 2016

Bi‐intercalation gold chloride derivatives are obtained by intercalation of AuCl3 into stage‐2‐graphite host structures, pre‐intercalated with CoCl2 or InCl3 at ∼200 °C. Gravimetric and elementary analysis and dilatometric measurements completed by determination of the identity period Ic and refinement of the (001) reflections indicate two types of layer arrangement for AuCl3.
ChemInform Abstract: New Ferriantimonates with the CaFe2O4‐Type Structure, Na2Fe3SbO8 and the Isomorphous Series Na2Fe2+xSn2‐2xSbxO8 (0 ≤ x ≤ 1),
Authors: ARCHAIMBAULT F. , CHOISNET J. , RAUTUREAU M.
Published: May 2016

are obtained as a result of the coupled substitution of Fe(III) and Sb(V) for Sn(IV) in NaFeSnO4.
ChemInform Abstract: The Microstructures of Devitrified Amorphous Chromium Plating.
Authors: TSAI R.‐Y. , WU S.‐T.
Published: May 2016

The evolution of the microstructure of electroplated amorphous chromium (carbon steel substrate) during annealing at temp. in the range 200‐800 °C is studied by TEM, XRD, and DSC.
ChemInform Abstract: ESR Study of Nickel(III) and Copper(III) in Fluorides with Cryolite or Elpasolite‐Type Structure.
Authors: DANCE J. M. , GRANNEC J. , TRESSAUD A.
Published: May 2016

The main feature which can be deduced from the ESR spectra of pure Ni(III) and Ni(III)‐doped compounds is the low‐spin electronic state of 3d7 Ni(III) involing an elongated octahedral coordination.
ChemInform Abstract: Preferential Solvation of Ni(II) and Mg(II) Ions in Water‐Acetonitrile Mixtures. Enthalpies of Transfer and the Electronic Spectra
Authors: MIYAJI K. , NOZAWA K. , MORINAGA K.
Published: May 2016

(determination of ΔH°t from water to MeCN for Ni2+ and Mg2+ ions by using the enthalpies of dilution of conc.
ChemInform Abstract: Electron Transfer Reactions of Titanium(III)/(IV) on Passive Titanium
Authors: WILHELMSEN W.
Published: May 2016

are studied by stationary and transient polarization measurements.
ChemInform Abstract: Electrochemical Study of Iodine in the LiAlCl4· 3 SO2 Electrolyte
Authors: LOJOU E. , MESSINA R. , PERICHON J. , DESCROIX J. P. , SARRE G.
Published: May 2016

by cyclic voltammetry and chronopotentiometry indicates that the I2 reduction observed at Pt electrodes is a diffusion limited process.
ChemInform Abstract: A Comparative Study of the Oxidation Resistance of Zirconium Carbide and Zirconium Oxide Carbide.
Authors: BARNIER P. , THEVENOT F.
Published: May 2016

A comparative investigation of the oxidation kinetics of ZrC0.963 and powders of the compositions ZrC0.79O0.10 and ZrC0.67O0.22 in the temp. range 400‐1000 °C under 100 torr O2 pressure shows that the oxidation becomes important above 400‐500 °C and that the oxidation resistance slightly decreases in the order ZrC0.963 > ZrC0.79O0.10 > ZrC0.67O0.22.
ChemInform Abstract: Catalytic Oxidation of Water Mediated by Rhenium Oxides.
Authors: FARINA A. , HERNANDEZ S. , ROMAN E.
Published: May 2016

Detailed quantitative studies of the kinetics of water oxidation according to the reactions outlined in the scheme provide the first evidence for rhenium oxides (i.e.
ChemInform Abstract: Behavior of 2,4,6‐Tri‐tert.‐butylphenyllithium Towards Halosilanes. Formation and Conversion of Trichlorosilyllithium, LiSiCl3.
Authors: WEISS H. , OEHME H.
Published: May 2016

The title compound (IV) can be obtained in THF solution according to the scheme as a result of fast metal‐halogen exchange reactions or after partial deprotonation of HSiCl3.
ChemInform Abstract: A New Approach of Aromatic Solvent‐Induced Shifts (ASIS) in 13C NMR. Spectroscopy for Solving Stereochemical Problems in Some Carbonyl Compounds.
Authors: UEJI S. , KITADANI M. , SUGIURA M. , TAKAO N. , MIYAZAWA T.
Published: May 2016

The 13C ASIS values produced by benzene‐d6 are obtained for 15 compounds such as (I)‐(V).
ChemInform Abstract: Alkali and Alkaline Earth Complexation to Derivatives of Salicylic Acid: (Calcium(p‐aminosalicylate)(acetate)(H2O))(H2O), Magnesium(salicylate)2(H2O)4, Magnesium(p‐aminosalicylate)2(H2O)4, Magnesium(2,6‐pyridinedicarboxylate)(H2O)3(H2O)2 and Sodium(p‐aminosalicylate)(H2O)2.
Authors: COLE L. B. , HOLT E. M.
Published: May 2016

(I), crystallizing in the same way as (IIa) and (III) in P21/n with Z=4, display extended layer formation in the crystalline state with cations bridged by multidentate ligands.
ChemInform Abstract: pH Dependence of the Stability of Boric Acid and Borate Esters of Amino Acids and Amino Diols in Aqueous Medium as Studied by 11B and 1H NMR Spectroscopy.
Authors: VAN HAVEREN J. , PETERS J. A. , BATELAAN J. G. , KIEBOOM A. P. G. , VAN BEKKUM H.
Published: May 2016

Examinations with 12 examples reveal that the apparent association constants for borate esters of 2‐amino‐1,3‐diols are pH dependent, whereas such a pH dependence is not found in the case of methyl‐substituted diols or 3‐amino‐1,2‐propanediol.
ChemInform Abstract: Equilibrium and Structural Studies of Silicon(IV) and Aluminum(III) in Aqueous Solution. Part 18. Complexation of Aluminum with N‐Substituted 3‐Hydroxy‐4‐pyridinones.
Authors: CLEVETTE D. J. , NELSON W. O. , NORDIN A. , ORVIG C. , SJOEBERG S. +
Published: May 2016

The title pyridones (I) are amphoteric; the two stepwise protonation constants are given.
ChemInform Abstract: Homochiral Fluoroorganic Compounds. Part 10. A New Protocol for the Synthesis of Variously Functionalized α‐Fluoroketones and α‐Fluoroalcohols.
Authors: BRAVO P. , PIOVOSI E. , RESNATI G.
Published: May 2016

Removal of the chiral sulfinyl group of (I) leads to the title ketones (II).
ChemInform Abstract: The Stereochemistry of Organometallic Compounds. Part 33. Preparation and Reactions of Some Substituted Buta‐1,3‐dienes.
Authors: CAMPI E. M. , JACKSON W. R.
Published: May 2016

The hydrocyanation or the hydroformylation of the methylhexenyne (I) surprisingly involve addition to the alkyne leading to formation of the products (III) + (IV) or (VI) + (VII), respectively.
ChemInform Abstract: A Kinetic Study of the Air Oxidation of Pyrogallol and Purpurogallin.
Authors: ABRASH H. I. , SHIH D. , ELIAS W. , MALEKMEHR F.
Published: May 2016

The decay of the dianion (III), the oxidation product of (I) and (II), is shown to proceed not by oxidation.
ChemInform Abstract: Nucleophilic Addition of Amines to the Activated Ethylene Bond. Part 3. Kinetics and Mechanism of the Addition of Amines to trans‐(2‐Furyl)nitroethylene.
Authors: POPOV A. F. , PEREPICHKA I. F. , KOSTENKO L. I.
Published: May 2016

Kinetic studies of the title reaction of (I) with (II) show that the addition is catalyzed by (II) and by tertiary amines (Et3N or N‐methylpiperidine).
ChemInform Abstract: Selective and Continuous‐Flow Monomethylation of Arylacetonitriles with Dimethyl Carbonate Under Gas‐Liquid Phase‐Transfer Catalysis Conditions.
Authors: TUNDO P. , TROTTA F. , MORAGLIO G.
Published: May 2016

In the presence of only the base K2CO3, the reaction proceeds very slowly, but the phase‐transfer catalyst polyethyleneglycol (molten at 180 °C) allows almost quantitative conversion of arylacetonitriles (Ia) and (Ic) to the respective propionitriles (IIIa) and (IIIc) in high selectivity (2‐arylpropionic acids are known as antiinflammatory agents).
ChemInform Abstract: Lower Aliphatic 2‐Oxo Acids and Their Ethyl Esters from Ethyl Esters of 2‐Hydroxy Acids.
Authors: KOZLOWSKI R. , KUBICA Z. , RZESZOTARSKA B. , SMELKA L. , PIETRZYNSKI G.
Published: May 2016

The α‐hydroxy esters (I) are oxidized with chromic acid to produce the α‐keto esters (II).
ChemInform Abstract: Carboxyalkylthiomethylation of Phenols.
Authors: MASSY D. J. R. , MCKILLOP A.
Published: May 2016

Reaction of the phenols (I) and (V) with formalin (II) and the sodium salt of the mercaptoalkanoic acids (III) yields the para and/or ortho‐carboxyalkylthiomethyl‐substituted phenols (IV) or (VI) in a one‐step process.
ChemInform Abstract: Asymmetric Synthesis of α,α‐Dichloro Sulfoxides from Substituted Thioacetates and Sodium Hypochlorite in β‐Cyclodextrin Complexes.
Authors: RAO K. R. , SATTUR P. B.
Published: May 2016

The thioacetates (I) and (III) form 1:1 inclusion complexes with β‐cyclodextrin.
ChemInform Abstract: A Novel Generation and Behavior of Alkylfluoro Carbenoids from α‐Chloro‐α‐fluoroalkyl Sulfoxides.
Authors: UNO H. , SEMBA F. , TASAKA T. , SUZUKI H.
Published: May 2016

Treatment of the sulfoxides (I), (IVa), and (IVb) mentioned in the title with phenylmagnesium bromide and catalytic amounts of cuprous iodide results in desulfination and dehydrochlorination, yielding the trans‐1‐fluoroalkenes (II) or (V) as the main products.
ChemInform Abstract: Apparent Failure of the Wharton Rearrangement in a Tricyclo(7.1.1.02,7)undecane.
Authors: THOMAS A. F. , DI GIORGIO R. , GUNTERN O.
Published: May 2016

The Wharton rearrangement of the epoxide (I) does not lead to the expected bridgehead alcohol (VII).
ChemInform Abstract: Synthesis and Stereochemistry of Tetramethyldecahydroanthracene Derivatives.
Authors: BRECKNELL D. J. , CARMAN R. M. , SCHUMANN R. C.
Published: May 2016

Isomerization of the Diels‐Alder adduct (III) affords the octahydroanthraquinone (IV) from which the target ketone (VIII) is accessible.
ChemInform Abstract: Strongly Deformed TCNQ Derivatives: Syntheses and Properties of 7,12‐Bis(dicyanomethylene)‐7,12‐dihydrobenz(a)anthracene (BDCNBA) Derivatives.
Authors: MARUYAMA K. , IMAHORI H. , NAKAGAWA K. , TANAKA N.
Published: May 2016

Tetracyanoquinodimethane (TCNQ) analogues are known as acceptors in organic metals.
ChemInform Abstract: Selective Cleavage of Thiazolidines. Part 2. Cleavage Reactions of Penicillin Nuclei with Seyferth Reagents.
Authors: KANG J. , IM W. B. , CHOI S.‐G. , LIM D. , CHOI Y. R. , CHO H. G. , LEE J. H.
Published: May 2016

Reaction of the penam (I) with phenyl(trichloromethyl)mercury (II) results in ring cleavage and alkylation, producing the unsaturated ester (III).
ChemInform Abstract: Carbenoid‐Type Reactions of a Stabilized Bismuthonium Ylid in the Presence of a Copper Catalyst.
Authors: OGAWA T. , MURAFUJI T. , IWATA K. , SUZUKI H.
Published: May 2016

The bismuthonium ylide (I) reacts with the therminal alkynes (II) in the presence of cuprous chloride to form the fused furan derivatives (III).
ChemInform Abstract: The Di‐π‐methane Rearrangement in 3,4‐Dibenzyl‐2(5H)‐furanone.
Authors: MOMOSE T. , TANABE G. , TSUJIMORI H. , HIGASHIURA M. , IMANISHI I. , KANAI K.
Published: May 2016

Reduction of the half ester (I) and subsequent acid‐catalyzed cyclization yield the dibenzylidenebutyrolactone (II) which is reduced to give the dibenzylfuranone (III).
ChemInform Abstract: Synthesis and Stereoselective Reactions of 2‐(Pyrrol‐1‐yl)alkanals and 2‐(Pyrrol‐1‐yl)alkan‐1‐ones.
Authors: KASHIMA C. , MARUYAMA T. , FUJIOKA Y. , HARADA K.
Published: May 2016

The title alkanals (II) react stereoselectively with Grignard reagents, e.g. (III), to give the alcohols (IV) as major products.
ChemInform Abstract: Reaction of Ketone Alkylhydrazones with Phosphorus Trichloride: A General Mild Route to Substituted Pyrroles.
Authors: BACCOLINI G.
Published: May 2016

The reaction of hydrazones, e.g. (I) and (VI), with PCl3 leads to diazaphosphole intermediates which react with ketones such as (III) in the second stage of the reaction to give symmetrically and unsymmetrically substituted pyrroles.
ChemInform Abstract: 3‐Pyrrolylsulfonium Salts and 3‐Pyrrolylsulfonium Ylides.
Authors: WENDEBOURG H. H. , HARTKE K.
Published: May 2016

2‐Pyrrolylsulfonium salts such as (V), prepared from pyrroles and either DMSO (II)/trifluoroacetic acid anhydride or dimethyl sulfide (IV)/NCS, are rearranged in TFA to yield 3‐pyrrolylsulfonium salts such as (VI).
ChemInform Abstract: Synthesis of Hydroisoindoles via Intramolecular Diels‐Alder Reactions of Functionalized Amido Trienes.
Authors: MELLOR J. M. , WAGLAND A. M.
Published: May 2016

The reaction of the dienes (I) with the acid chlorides (II) and (VI) yields amidotrienes which undergo intramolecular Diels‐Alder reaction in refluxing toluene or directly at room temp. to give the title hydroisoindoles (IV), (V) and (VII).
ChemInform Abstract: Heterocyclic Mesomeric Betaines. Part 3. Synthesis and Base‐Catalyzed Exchange Reactions of N‐Methyl‐5H‐pyrrolo(1,2‐c)imidazolium Iodide.
Authors: OLLIS W. D. , STANFORTH S. P. , RAMSDEN C. A.
Published: May 2016

The title compound (III) undergoes an unusual base‐catalyzed exchange of deuterium to give the product (IV) (monitored by NMR).
ChemInform Abstract: Synthesis of Some β‐(1‐Benzimidazolyl)‐ and β‐(1‐Benzotriazolyl)‐α‐amino Acid Derivatives.
Authors: DOBNIKAR M. , KOCEVAR M. , POLANC S. , TISLER M. , VERCEK B.
Published: May 2016

o‐Phenylenediamine (I) is coupled with the enol ether (II) to give the enamine (III) which reacts with (II) to produce the bis‐enamine (IV).
ChemInform Abstract: Synthesis of 1‐Aryl‐3,3,3‐trifluoro‐1‐propynes and 3,5‐Diaryl‐4‐trifluoromethylisoxazoles.
Authors: MEAZZA G. , CAPUZZI L. , PICCARDI P.
Published: May 2016

The 1‐chloro‐1‐(trifluoromethyl)alkenes (II), prepared by three alternative pathways outlined in the reaction scheme, are dehydrochlorinated to give the trifluoromethylated acetylenes (V).
ChemInform Abstract: Ring Transformation of 1,2‐Disubstituted 4(1H)‐Quinazolone Oximes to 3,5‐Disubstituted 1,2,4‐Oxadiazoles.
Authors: KORBONITS D. , KANZEL‐SZVOBODA I. , GOENCZI C. + , SIMON K. , KOLONITS P.
Published: May 2016

As part of studies on the chemistry of aminoamide oximes the reactions shown in the scheme are carried out.
ChemInform Abstract: The Michael Type Additions of Tetrazole Derivatives to Double and Triple Carbon‐Carbon Bonds.
Authors: DZIKLINSKA H. , DZIERZGOWSKI S. , JEZEWSKI A. , PLENKIEWICZ J.
Published: May 2016

The Michael addition of various tetrazoles and tetrazolinones such as (I), (IV) or (VI) with the ethylene derivatives (II) leads to a variety of substituted tetrazoles such as (III), (V) or (VII).
ChemInform Abstract: Tetrazole Compounds. Part 2. (1‐Aryl‐1H‐tetrazol‐5‐yl)acetaldehyde Derivatives from 1‐Aryl‐5‐(2‐dimethylamino‐vinyl)‐1H‐tetrazoles.
Authors: FISCHER G. W.
Published: May 2016

Hydrolysis of the enamines (I) yields the corresponding aldehydes which show self‐reactance.
ChemInform Abstract: Tetrazole Compounds. Part 3. Modification of (1‐Aryl‐1H‐tetrazol‐5‐yl)acetaldehyde Enamines by Acid‐Catalyzed Transamination.
Authors: FISCHER G. W.
Published: May 2016

The transamination reaction of the E‐configurated enamines (I) with secondary amines, e.g. (II), proceeds with retention of the configuration.
ChemInform Abstract: Photochemical Reactions of 7‐Aminocoumarins. Part 3. Reaction of 4‐Methyl‐7‐diethylaminocoumarin with Olefines and Acetylenes Containing Electron‐Accepting Substituents.
Authors: KIRPICHENOK M. A. , MEL'NIKOVA L. M. , DENISOV L. K. , GRANDBERG I. I. , AKIMOVA N. P.
Published: May 2016

The photochemical cyclization of the 7‐diethylaminocoumarin (I) with the acetylenedicarboxylate (II) gives a mixture of the regioisomeric pyranoquinolinones (III) and (IV).
ChemInform Abstract: Heterocyclic Spiro Compounds. Part 3. Synthesis of (2R*,11bR*)‐9,10‐Dimethoxy‐1,3,4,6,7,11b‐hexahydrobenzo(a)quinolizine‐2‐spiro‐3′‐pyrrolidines and (2R*,11bR*)‐9,10‐Dimethoxy‐1,3,4,6,7,11b‐hexahydrobenzo(a)quinolizine‐2‐spiro‐3′‐pyrrolidin‐2′‐ones.
Authors: MENENDEZ J. C. , SOELLHUBER M. M. +
Published: May 2016

Reduction of the spiro‐succinimides (I) with lithium aluminum hydride yields the spiro‐pyrrolidines (II).
ChemInform Abstract: Reactions of N‐Substituted 2‐Aminopyridines with Chloroacetyl Chloride. Formation of a New Series of Heterocyclic Betaines: 1‐Substituted 4‐Chloromethyl‐2‐oxopyrido(1,2‐a)pyrimidin‐5‐ium‐3‐olates.
Authors: HULINSKA H. , BUDESINSKY M. , HOLUBEK J. , MATOUSOVA O. , FRYCOVA H. , PROTIVA M.
Published: May 2016

The reaction of the components (I) and (II) yields the expected compound (III) whereas attempts to prepare N‐substituted N‐(2‐pyridyl)‐2‐chloroacetamides from the components (IV) and (V) give the unexpected betaines (VI).
ChemInform Abstract: Synthesis of 7‐Substituted 5‐Oxo‐5H‐thiazolo(3,2‐a)pyrimidine‐6‐carboxylic Acids, 2‐Substituted 4‐Oxo‐4H‐pyrido(1,2‐a)pyrimidine‐3‐carboxylic Acids, and 2,6‐Disubstituted 4‐Quinolones from Meldrum′s Acid Derivatives.
Authors: YE F.‐C. , CHEN B.‐C. , HUANG X.
Published: May 2016

The methylthiomethylene derivatives (I) of Meldrum acid undergo cyclocondensation with 2‐aminothiazole (II) to yield the thiazolopyrimidine derivatives (III).
ChemInform Abstract: Polycyclic Azines with Heteroatoms in 1‐ and 3‐Position. Part 22. A Facile Synthesis of 2‐Alkylthio‐4‐aminothieno(2,3‐d)pyrimidines.
Authors: LEISTNER S. , GUETSCHOW M. + , WAGNER G.
Published: May 2016

The benzoylthioureidothiophenecarbonitriles (III), obtained from the thiophene derivatives (I) and benzoyl isothiocyanate (II), react with diluted NaOH to form the aminothieno(2,3‐d)pyrimidinethiones (IV) and with the alkyl halides (V) to give the 2‐alkylthio‐4‐aminothieno(2,3‐d)pyrimidines (VI).
ChemInform Abstract: A Thiophene Analogue of Praziquantel, and Related Systems, by Intramolecular Cyclization of Acyliminium Salts.
Authors: METH‐COHN O. , VIJ R. R. , SMALLEY R. K. , BASS R.
Published: May 2016

The thiophene analogue (V) of the schistosomicide praziquantel (VI) is prepared by cyclization of the acyliminium salt derived from (IV) (yield of (III) not given).
ChemInform Abstract: Preparation of 2‐Aroyl‐3‐methyl‐1H‐1,4‐benzothiazines. ESR Study of 2‐Benzoyl‐1,3‐dimethyl‐1H‐1,4‐benzothiazine.
Authors: ISKANDER G. M. , EL KHAWAD I. E. S. , ZAHRAN H. B. , SCHLEMPER E. O.
Published: May 2016

The alkylated benzothiazines (V), considered as ylides, are labile at room temp. (UV, 1H NMR).
ChemInform Abstract: Synthesis of 4‐Oxo‐3,4‐dihydro‐1H‐thieno(3,4‐c)‐ and ‐thieno(3,2‐c)‐1,2,6‐thiadiazine 2,2‐Dioxides.
Authors: GOYA P. , LISSAVETZKY J. , ROZAS I.
Published: May 2016

Sulfamoylation of methyl 3‐aminothiophene‐4‐carboxylate (I) followed by cyclization gives the thieno(3,4‐c)thiadiazine derivatives (IV).
ChemInform Abstract: Ring Expansion Reaction of Heterocyclic Cation Compounds by Incorporating One Nitrogen Atom Using I2‐NH3 System.
Authors: YONEMOTO K. , SHIBUYA I.
Published: May 2016

Heterocyclic perchlorates such as (I) are treated with excess ammonia (II) in the presence of iodine to undergo insertion of one nitrogen atom, yielding ring expanded products such as (III).
ChemInform Abstract: Chemistry of O,N‐ and S,N‐Containing Heterocycles. Part 9. Formation of Pyrido(2,1‐d) (1,5)benzoxazepines and Pyrido(2,1‐d) (1,5)benzothiazepines.
Authors: ERKER T.
Published: May 2016

Whereas the reaction of o‐aminophenol (I) with acetone (II) is reported to yield (III), that of o‐aminothiophenol is reported to give (VIII).
ChemInform Abstract: Cycloaddition Reactions in the System 2‐Isocyanato‐4,4,5,5‐tetramethyl‐1,3,2‐dioxaphospholane/1,1,1,5,5,5‐Hexafluoro‐4‐trimethylsiloxy‐3‐penten‐2‐one.
Authors: FRANCKE R. , ROESCHENTHALER G.‐V. +
Published: May 2016

The two title compounds (I) and (II) react in a (3 + 2) cycloaddition to yield the spiro compound (III) and its dimer (IV) depending on the reaction conditions.
ChemInform Abstract: Monomeric Phosphinoboranes: The Role of the B‐ and P‐Substituents for P=B Multiple Bonding.
Authors: KARSCH H. H. , HANIKA G. , HUBER B. , MEINDL K. , KOENIG S. + , KRUEGER C. + , MUELLER G. +
Published: May 2016

The lithium phosphide (I) reacts with boron tribromide (IIa) or trimethyl borate (IIb) to give the diphosphinoboranes (III) or the phosphoniaborataindan (IV).
ChemInform Abstract: Reactivity of Isoselenazoles Towards Nucleophilic Reagents.
Authors: LUCCHESINI F. , PICCI N. , POCCI M. , DE MUNNO A. , BERTINI V.
Published: May 2016

Lithiation of the isoselenazoles (I) and subsequent coupling reaction with the electrophiles (II) yield the 5‐substituted isoselenazoles (III).
ChemInform Abstract: Surprisingly High Stability of Alkali‐Metal Complexes of the Ligand Tris(2‐pyridylmethyl)amine (TPA).
Authors: TOFTLUND H. , ISHIGURO S.
Published: May 2016

The title ligand as trihydroperchlorate reacts with NaOH to give the complex (I), which represents an example that alkali‐metal complexes with high stability can also be formed with polypodal ligands without glyme ether functions.
ChemInform Abstract: Nitrosyl‐, Halo‐, and Oxomolybdenum Complexes with the Ligand 1‐Thia‐4,7‐diazacyclononane (L). Crystal Structures of (LMo(CO)2NO)PF6, (LMo(NO)2Cl)PF6, LMoCl3, and (L2Mo2O4)ZnCl4·H2O.
Authors: HOFFMANN P. , MATTES R.
Published: May 2016

The reaction of (I) with nitrous acid yields (III), whereas prolonged reaction using NaNO2/HCl in excess gives (IV).
ChemInform Abstract: Electron‐Transfer Reactions of Manganese(II) and ‐(III) Polyamino Carboxylate Complexes in Aqueous Media.
Authors: MACARTNEY D. H. , THOMPSON D. W.
Published: May 2016

The kinetics of electron‐transfer reactions involving the Mn(II) and Mn(III) complexes of ethylenediamine‐ and trans‐1,2‐cyclohexanediaminetetraacetate are investigated in aqueous media.
ChemInform Abstract: Synthesis, Structure, and Magnetic Behavior of a New μ‐Phenoxo Manganese(II) Dimer.
Authors: HODGSON D. J. , SCHWARTZ B. J. , SORRELL T. N.
Published: May 2016

The anion of the phenol derivative reacts with Mn perchlorate in MeOH to give the bis(ligand) complex which on addition of THF in MeCN affords the title complex (I) (no yield given).
ChemInform Abstract: Coordination Chemistry of Higher Oxidation States. Part 30. Five‐Coordinate Cobalt(III) Phosphine Complexes. Spectroscopic and Cobalt K‐Edge EXAFS Studies.
Authors: LEVASON W. , OGDEN J. S. , SPICER M. D.
Published: May 2016

A series of the paramagnetic title complexes such as (III) are prepared and their structures assigned on the basis of vibrational and electronic spectroscopic studies and FAB mass spectra.
ChemInform Abstract: Exchange Interaction in Multinuclear Transition‐Metal Complexes. Part 13. Exchange Coupling in Cu2L2Cl2·2 CH3OH (LH: 8‐(Salicylideneamino)quinoline), a New Compound with a Temperature‐Dependent Structure.
Authors: CHIARI B. , PIOVESANA O. , TARANTELLI T. , ZANAZZI P. F.
Published: May 2016

The title complex (IV) crystallizes in P1 with Z=1.