bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: α‐Bromo‐, α‐Chloro‐, and α‐Trimethylsilylzinc Ester Enolates. New and Universal Reformatsky‐Type, Darzens, and Peterson Reactions.
Authors: FUERSTNER A. +
Published: May 2016

The dihaloacetates (II) are activated by zinc/silver on graphite to react with the aldehydes and ketones (I), producing the α‐halo‐β‐hydroxyalkanoates (III).
ChemInform Abstract: Convenient Synthetic Equivalents of 2‐Lithiopyrrole and 2,5‐Dilithiopyrrole.
Authors: CHEN W. , CAVA M. P.
Published: May 2016

Bromination of pyrrole (I) with 1,3‐dibromodimethylhydantoine gives the monobromide (IIa) and the dibromide (IIb) which are N‐protected with the anhydride (III), yielding the compounds (IV).
ChemInform Abstract: Polarized Ketene S,S‐ and S,N‐Acetals. Part 52. Lead Tetraacetate Oxidation of 3‐Anilino‐3‐methylthio‐2‐arylacrylonitriles. A Novel Approach to Substituted Indoles (III).
Authors: VISHWAKARMA J. N. , THOMAS A. , APPARAO S. , ILA H. , JUNJAPPA H.
Published: May 2016

In contrast to the intermediates (IIa) and (IIe), the products (IIb)‐(IId) are unstable.
ChemInform Abstract: A Facile Synthesis of 3‐Hydroxymethyl‐ and 3‐Formylindoles from o‐Nitrotoluene.
Authors: TANAKA H. , MURAKAMI Y. , OKAMOTO K. , AIZAWA T. , TORII S.
Published: May 2016

The synthesis of the indoles (IV) and (V) is achieved starting from the o‐nitrotoluene derivative (I), the key step being the electrochemical oxidation of (III).
ChemInform Abstract: Intramolecular Cyclization of 5‐(o‐Carboxyphenyl)pyrrole Derivatives.
Authors: GRINEV A. N. , NESTEROVA I. N. , MEZENTSEVA M. V.
Published: May 2016

Trifluoroacetic anhydride‐catalyzed cyclization of the 5‐(2‐carboxyphenyl)pyrroles (I) gives the indenopyrrolones (II).
ChemInform Abstract: Synthesis and Antiviral Activity of the Bisulfite Adduct of 1‐Phenyl‐2‐methyl‐4‐oxoindeno(1,2‐b)pyrrolyl‐3‐glyoxal.
Authors: NESTEROVA I. N. , MEZENTSEVA M. V. , NIKOLAEVA I. S. , PUSHKINA T. V. , GOLOVANOVA E. A. , FOMINA A. N.
Published: May 2016

Thermal treatment of the indenopyrrolecarboxylates (I) with pyridine hydrochloride gives mixtures of the carboxylic acids (III) and the decarboxylation products (II).
ChemInform Abstract: An Unusual Acid‐Catalyzed C‐C Bond Fragmentation of E‐3‐Arylideneflavanone and ‐chromanone Epoxides.
Authors: GADRE S. Y. , MARATHE K. G. , PUJARI M. J.
Published: May 2016

Treatment of the β‐epoxides (I) of E‐3‐arylidenebenzopyranones with sulfuric or perchloric acid in acetone leads to a C‐C bond cleavage of the α‐epoxy ketone moiety to give the flavonols and chromanols (II), together with the aromatic aldehyde (III).
ChemInform Abstract: Peracid Oxidation of an Immonium Fluoroborate: A New Example of Oxaziridinium Salt.
Authors: HANQUET G. , LUSINCHI X. , MILLIET P.
Published: May 2016

N‐Methyl‐3,4‐dihydroisoquinolinium tetrafluoroborate (I) reacts with p‐nitroperbenzoic acid (II) in the presence of one equivalent of sodium bicarbonate to produce a mixture of the isoquinolinium salt (III) and the ring‐opened aldehyde (IV).
ChemInform Abstract: Intramolecular Cyclizations of Hantzsch 1,4‐Dihydropyridines: Synthesis of Di‐ and Tetrahydroindeno(2,1‐c)pyridines.
Authors: YOUNG S. D. , KING S. W. , REMY D. C.
Published: May 2016

Reaction of the 4‐(o‐formylphenyl)‐1,4‐dihydropyridines (I) with trimethylsilyl cyanide (II) followed by treatment with tetrabutylammonium fluoride gives the cyclization products (III) ‐ (V).
ChemInform Abstract: Synthesis of 1,2‐Ditellurane.
Authors: SINGH H. B. , KHANNA P. K.
Published: May 2016

Freshly prepared solutions of disodium ditelluride (II) are added to 1,4‐diiodobutane (I) to give the ditelluracyclohexane (III).
ChemInform Abstract: ortho‐Manganated Arenes in Synthesis. Part 3. Transmetalation of Ortho‐Manganated Aryl Ketones by Mercuric Chloride. Synthesis of ortho‐Acyl‐Substituted Aryl‐Mercury(II) Compounds.
Authors: COONEY J. M. , GOMMANS L. H. P. , MAIN L. , NICHOLSON B. K.
Published: May 2016

The ortho‐acyl substituted arylmercury(II) reagents (III) are obtained by reaction of the ortho‐manganated aryl ketones or esters (I) with HgCl2 (II).
ChemInform Abstract: f‐Element/Crown Ether Complexes. Part 17. Synthetic and Structural Survey of Lanthanoid Chloride Triethylene Glycol Complexes.
Authors: ROGERS R. D. , VOSS E. J. , ETZENHOUSER R. D.
Published: May 2016

Triethylene glycol impurities in the reactions of DyCl3·6 H2O or YCl3·6 H2O with 18‐crown‐6 in MeOH/MeCN (1:3) saturated with LiCl yield the anhydrous distorted pentagonal‐bipyramidal complexes (Ia) and (Ib) (space group C2/c, Z=4).
ChemInform Abstract: Synthesis and X‐Ray Crystal Structure of the Divalent (Bis(trimethylsilyl)amido)samarium Complexes ((Me3Si)2N)2Sm(THF)2 and (((Me3Si)2N)Sm(μ‐I)(DME)(THF))2.
Authors: EVANS W. J. , DRUMMOND D. K. , ZHANG H. , ATWOOD J. L.
Published: May 2016

The synthesis of (III) and (V) provides new soluble complexes of Sm(II) which parallel the corresponding compounds containing pentamethylcyclopentadienyl ligands instead of the bis(silyl)amido group.
ChemInform Abstract: Iron‐Porphyrin‐Nitrene Complexes: Preparation, Properties, and Crystal Structure of Porphyrin‐Iron(III) Complexes with a Tosylnitrene Inserted into an Fe‐N Bond.
Authors: MAHY J. P. , BATTIONI P. , BEDI G. , MANSUY D. , FISCHER J. , WEISS R. , MORGENSTERN‐BADARAU I.
Published: May 2016

The reaction of the Fe‐porphyrin complexes (I) with tosyliminoiodobenzene (II) leads to the tosylimido‐bridged compounds (III).
ChemInform Abstract: Synthesis, Structure, and Stereochemical Analysis of (PPN)(Fe4(CO)13(HgMo(CO)3Cp)) and (PPN)(Fe4(CO)13(HgFe(CO)2Cp)).
Authors: WANG J. , SABAT M. , HORWITZ C. P. , SHRIVER D. F.
Published: May 2016

The title compounds (III) are synthesized according to the scheme.
ChemInform Abstract: Complex Formation of the Late 3d‐Elements with Arenesulfonylthioureas, Arenesulfonylmonothio‐, and Arenesulfonyldithiocarbamic Acid Esters.
Authors: DOERING M. + , UHLIG E. , NEFEDOV V. I. , SALYN I. V.
Published: May 2016

The title ligands react with simple Cu(II), Ni(II), or Co(II) salts in MeOH to yield the complexes (I)‐(V).
ChemInform Abstract: Preparation and Properties of Metallacyclobutanes of Nickel and Palladium.
Authors: MIYASHITA A. , OHYOSHI M. , SHITARA H. , NOHIRA H.
Published: May 2016

The dineopentyl phosphine complexes (III) of nickel and palladium are prepared from the dichlorides (I) and neopentyllithium (II).
ChemInform Abstract: Transformation of Amino Acids. Part 3. Reaction of β‐Mercapto‐α‐amino Acids with Nitriles.
Authors: KRIMMER H.‐P. , DRAUZ K. , KLEEMANN A.
Published: May 2016

Reaction of the aromatic nitriles (I) with cysteine (IIa) or penicillamine (IIb) gives the thiazolines (III).
ChemInform Abstract: Synthesis of 2‐(D‐allo‐ and D‐altro‐Pentitol‐1‐yl)pyridines and Their 2′,5′‐Anhydro Derivatives.
Authors: PEREZ J. A. G. , GALAN E. R. , MARTINEZ M. B. , VENTULA A. C.
Published: May 2016

Reaction of the silylpyridine (I) with the aldehydo‐D‐ribose (II) produces a mixture of the D‐allo‐ (IIIa) and D‐altro‐pentitolylpyridines (IIIb) respectively.
ChemInform Abstract: Electrophilic ipso‐Substitution of 5‐Bromouridines with Diaryl Disulfides. Novel Synthesis of 5‐Arylthiouridines.
Authors: HIROTA K. , TOMISHI T. , MAKI Y.
Published: May 2016

The protected 5‐bromouridine (I) reacts with the aromatic disulfides (II) to give the 5‐arylthiouridines (III) which are deprotected with trifluoroacetic acid, forming (IV).
ChemInform Abstract: Retention of Stereochemistry in the Ring‐Opening of Penicillin V Sulfone p‐Nitrobenzyl Ester.
Authors: DAVIS M. , WU W.‐Y.
Published: May 2016

Under the optimized conditions shown in the scheme, the title ester (I) can be transformed to the ring‐opened product (IIa) with almost complete retention of the stereochemistry at C‐5 and C‐6. Since the acid (IIa) is rather labile, especially in solution, it is converted to its sodium salt (IIb) (yield given in mg).
ChemInform Abstract: Pheromone Synthesis. Part 105. Synthesis of Lactone Components of the Pheromone of Anastrepha suspensa, Suspensolide, and the Enantiomers of Anastrephin and Epianastrephin.
Authors: MORI K. , NAKAZONO Y.
Published: May 2016

The key intermediate (XI) in the synthesis of suspensolide (XII), anastrephin (XIII) and epianastrephin (XIV) is prepared starting from geraniol (I).
ChemInform Abstract: Heteronuclear Chemical‐Shift Correlations of Silanol Groups Studied by Two‐Dimensional Cross‐Polarization/Magic Angle Spinning NMR.
Authors: VEGA A. J.
Published: May 2016

Two‐dimensional (2D) cross polarization (CP)/MAS 1H‐29Si results are reported for some zeolite samples containing proton species with varying structural and dynamical properties.
ChemInform Abstract: Nitroxide Chemistry. Part 22. Oxidation of N,N‐Bis(trifluoromethyl)hydroxylamine.
Authors: BOOTH B. L. , KOSINSKI E. D. , VARLEY J. S.
Published: May 2016

The oxidation of the title compound (I) is studied systematically in order to develop methods for the large scale production of bis(trifluoromethyl)nitroxide (II).
ChemInform Abstract: Carbonylation of Nitrosobenzenes to Carbamate Esters Catalyzed by Palladium and Cupric Acetates Under Ambient Conditions.
Authors: ALPER H. , VASAPOLLO G.
Published: May 2016

Carbonylation of the nitrosoarenes (I) in the alcohols (II) in the presence of Pd(II) and Cu(II) acetate yields the urethanes (IV) and carbon dioxide.
ChemInform Abstract: Syntheses of Optically Active Bicyclo(3.3.0)oct‐2‐ene Derivatives Based on Asymmetric Elimination.
Authors: KASHIHARA H. , SUEMUNE H. , KAWAHARA T. , SAKAI K.
Published: May 2016

The bicyclooctenyl sulfonates (Ia) and (Ib) with an optically active sulfonyl group undergo elimination upon reaction with tert‐butoxide to give the chiral title compounds (II) of only moderate optical purity.
ChemInform Abstract: Synthesis and Acid Catalyzed Rearrangements of 1‐(1,6,6‐Trimethylbicyclo(2.1.1)hex‐5‐yl)‐1‐alkanones and ‐alken‐1‐ones.
Authors: VOLKOVA O. O. , CHERKAEV G. V. , NOVIKOV N. A. , ERMAN M. B. , AUL'CHENKO I. S. , MOCHALIN V. B.
Published: May 2016

The title compounds (IV) and (VIII) are prepared from (I) as shown in the scheme.
ChemInform Abstract: A Simple and Direct Synthesis of α‐Hydroxy Unsaturated Aldehydes from α‐Cyano‐α‐hydroxymethyl Epoxides.
Authors: KHAMLICHE L. , ROBERT A.
Published: May 2016

Treatment of the geminal cyano(hydroxymethyl)oxiranes (I) with dilithium tetrabromonickelate (II) results in ring cleavage, producing the bromo cyano 1,2‐diols (IV) and the α‐keto β‐bromo alcohols (V) via the lithio compounds (III).
ChemInform Abstract: Polycyclic Fluoranthene Hydrocarbons. Part 2. A New General Synthesis.
Authors: CHO B. P. , HARVEY R. G.
Published: May 2016

9‐Bromophenanthrene (I) is treated with butyllithium and then coupled with cyclohexene oxide (II), producing 9‐(2'‐hydroxycyclohexyl)phenanthrene (III) which is oxidized to form the corresponding ketone (IV).
ChemInform Abstract: Reactions of 1‐Dialkylamino‐1‐buten‐3‐ynes with Bifunctional Reagents with Reactive Centers in the α and γ Positions.
Authors: SOKOLOVA E. A. , MARETINA I. A. , PETROV A. A.
Published: May 2016

The reactions between the bifunctional nucleophiles (II) or (IV) and the 1‐aminobut‐1‐en‐3‐ynes (I) proceed at the positions C‐1 and C‐3 of the enynes (I) to give (III) or (V).
ChemInform Abstract: 2,2‐Diorganyl‐6‐(diethoxyphosphorylmethyl)‐1,3‐dioxa‐6‐aza‐2‐silacyclooctanes and Diethoxyphosphorylmethylbis(2‐trimethylsiloxyethyl)amine.
Authors: VORONKOV M. G. , KUDYAKOV N. M. , VITKOVSKII V. YU.
Published: May 2016

The bishydroxyethylaminomethylphosphonate (I) is cyclized with the alkylated aminosilanes (II) to give the azadioxasilacyclooctanes (III).
ChemInform Abstract: Total Synthesis of (+)‐Fumitremorgin B, Its Epimeric Isomers, and Demethoxy Derivatives.
Authors: KODATO S. , NAKAGAWA M. , HONGU M. , KAWATE T. , HINO T.
Published: May 2016

The total synthesis of the title compound (Va) is described starting from the L‐tryptophan derivative (I), the key step being the dihydroxylation of the intermediate (II) with OsO4 to give the cis‐diol (III).
ChemInform Abstract: Fluorides of Divalent Iron: Cs7Fe4F15.
Authors: AVERDUNK F. , HOPPE R.
Published: May 2016

Single crystals of the title compound are obtained for the first time by reduction of Cs3FeF6 (Fe tube, 750 °C, 20 d).
ChemInform Abstract: Admittance Spectroscopy of Polycrystalline ZnO‐Bi2O3 and ZnO‐BaO Systems.
Authors: SHIM Y. , CORDARO J. F.
Published: May 2016

Measurements of ac conductance between 30 and 350 K on the title systems show a common electron trap at 0.33 eV below the conduction band.
ChemInform Abstract: Chemical Transport of Carbon in the System C(s)‐F.
Authors: RIESEL L. , RIETZE K.‐H.
Published: May 2016

From the thermodynamic calculations of both gas phase composition and the solubility of C in the gas phase using JANAF Thermochemical Tables as well as improved data of C2Fn species it is concluded that a regenerative carbon‐fluorine transport cycle is not possible.
ChemInform Abstract: X‐Ray Investigations in the Systems Ruthenium‐Silicon and Ruthenium‐Silicon‐Nitrogen.
Authors: WEITZER F. , ROGL P. , SCHUSTER J. C.
Published: May 2016

In the ternary Ru‐Si‐N system no ternary phase is found between 1000 and 1250 °C under 105 Pa argon.
ChemInform Abstract: Synthesis of the Orthorhombic Phase of 2 Y·ZrO2
Authors: OHTAKA O. , KUME S. , IWAMI T. , URABE K.
Published: May 2016

(2 mol% Y2O3‐ZrO2).
ChemInform Abstract: Magnetic Ordering of Mn(II)Cu(II) Bimetallic Chains: Design of a Molecular‐Based Ferromagnet.
Authors: KAHN O. , PEI Y. , VERDAGUER M. , RENARD J.‐P. , SLETTEN J.
Published: May 2016

The compound (VIIa) is prepared as shown in the scheme (no yield given).
ChemInform Abstract: 2,3‐Dicarbomethoxy‐1,3‐butadiene and Its Reactions.
Authors: TARNCHOMPOO B. , THEBTARANONTH C. , THEBTARANONTH Y.
Published: May 2016

2,3‐Di(methoxycarbonyl)butadiene (II), obtained by pyrolysis of the bridged compound (I), dimerizes to form the cyclohexene (III).
ChemInform Abstract: Studies on the Synthesis of Heterocyclic Compounds. Part 12. Pyrazolo‐(4,3‐c)‐1,5‐benzodiazocine‐4,10‐dione. A New Ring System.
Authors: PLESCIA S. , BAJARDI M. L. , DAIDONE G. , ROCCARO A.
Published: May 2016

Hydrolysis of the 4‐ethoxcarbonylypyrazoles (Ia), (Ib), or acylation of the 4‐ethoxycarbonyl‐5‐aminopyrazoles (III) with phenyl salicylate (IV) gives the 4‐ethoxycarbonylpyrazol‐5‐ylbenzamides (II).
ChemInform Abstract: Intramolecular Additions of Allylsilanes to Conjugated Dienones. The Synthesis of Three Perforanes.
Authors: MAJETICH G. , DEFAUW J. , RINGOLD C.
Published: May 2016

The intramolecular addition reaction of various unsaturated silanes such as (I) is performed under different conditions: e.g. treatment of (I) with ethylaluminum dichloride results in 1,6‐addition to give (II), whereas reaction of (I) with fluoride yields the 1,4‐adduct (III), together with the 1,2‐adduct (IV).
ChemInform Abstract: Laser‐Jet Photochemistry: The Photofragmentation of Triplet 1,1,3,3‐Tetraarylpropane‐1,3‐diyls and Their Role in the Photometathesis Between Diarylcarbenes and 1,1‐Diarylethylenes.
Authors: WILSON R. M. , SCHNAPP K. A.
Published: May 2016

The photoreactions of Ph2C: or Ar2C: formed from the diaryldiazomethanes (I) and (XI) in the presence of diarylethylenes (II) and (VII) under low intensity as well as under jet conditions are studied.
ChemInform Abstract: Physical Properties and Synthetic Utility of α‐Alkoxyorganolithium Species as Studied Through Ligand Selectivity in Tin‐Lithium Exchange.
Authors: SAWYER J. S. , KUCEROVY A. , MACDONALD T. L. , MCGARVEY G. J.
Published: May 2016

The effects of alkoxy substitution on various tetrahedral carbanions are studied by examining ligand selectivity in the tin‐lithium exchange reaction in the corresponding stannanes.
ChemInform Abstract: Activation and Chain‐Carrying CH2 Species in Terminal Alkene Metathesis on Molybdena‐Titania Catalysts.
Authors: TANAKA KATSUMI , TANAKA KEN‐ICHI
Published: May 2016

In contrast to the metathesis of (Ia) MoO3‐x‐TiO2 is unable to promote the reaction of (Ib) but polymerization of (Ib) occurs.
ChemInform Abstract: New Oxyfunctionalization Capabilities for ω‐Hydroxylases: Asymmetric Aliphatic Sulfoxidation and Branched Ether Demethylation.
Authors: KATOPODIS A. G. , SMITH H. A. JUN. , MAY S. W.
Published: May 2016

The monooxygenase from Pseudomonas oleovorans is shown to catalyze the oxygenative O‐demethylation of branched alkyl methyl ethers such as (I) or vinyl methyl ether (IV) to secondary alcohols (II) or ketone (V).
ChemInform Abstract: Synthesis of α‐Keto Esters via Palladium‐Catalyzed Double Carbonylation.
Authors: SAKAKURA T. , YAMASHITA H. , KOBAYASHI T. , HAYASHI T. , TANAKA M.
Published: May 2016

The (het)aryl halides (I) are carbonylated in the presence of the alcohols (II), triethylamine, and a Pd catalyst to produce the α‐keto esters (IV), together with the carboxylates (V).
ChemInform Abstract: E‐4‐Lithio‐4‐tosylbutenone Dimethyl Ketal: A New β‐Acylvinyl Anion Equivalent.
Authors: NAJERA C. , YUS M.
Published: May 2016

The acetal (I), derived from methyl tosylvinyl ketone, is lithiated and then treated with various electrophiles (IV) to give the substitution products (V).
ChemInform Abstract: Regiocontrol in the Intermolecular Cobalt‐Catalyzed Olefin‐Acetylene Cycloaddition.
Authors: KRAFFT M. E.
Published: May 2016

Cycloaddition of the olefins (I) with the Co‐coordinated acetylene (II) proceeds with great regioselectivity to give mainly the cyclopentenones (III) ((IIIb) is obtained as 1:19 cis/trans‐mixture).
ChemInform Abstract: Stereospecific Replacement of Sulfur from Chiral γ‐Arylsulfanylbutyrolactones. Synthesis of Optically Pure Ring‐Fused γ‐Butyrolactones.
Authors: MARINO J. P. , LABORDE E. , PALEY R. S.
Published: May 2016

The chiral ring‐fused butyrolactones (IV), (V), (VI), and (IX) can be prepared in a stereocontrolled fashion from the p‐tolylthio butyrolactones (II) or (VIII) which in turn are available from the sulfoxides (I) or (VII) by treatment with dichloroketene (III) generated in situ, and subsequent reduction.
ChemInform Abstract: Highly Stereoselective Cyclization of Epoxy Ketone Promoted by Acid.
Authors: SUZUKI T. , SATO E. , IHARA H. , UNNO K. , KAMETANI T.
Published: May 2016

The silyl‐protected iodohexenol (Ia) is converted into the nitrile (Ib) which reacts with the methyl Grignard reagent (III) to form the protected octenolon (IV).
ChemInform Abstract: Intramolecular Radical Cyclization Reactions. An Approach to the Indole Alkaloids.
Authors: DITTAMI J. P. , RAMANATHAN H.
Published: May 2016

2‐Bromoacetanilide (I) reacts with the allylic halides (II) to give the allylamides (III) which undergo radical‐induced cyclization to form the dihydroindoles (IV).
ChemInform Abstract: Synthesis of 5‐Arylimino‐3‐p‐tolylimino‐1,2,4‐thiadiazolidines. Part 2. Oxidative Debenzylation and Cyclization of 1‐Aryl‐Substituted‐3‐p‐tolylformamidino‐2‐S‐benzylisothiocarbamides.
Authors: PANDEY A. K. , SINGH R. , VERMA V. K.
Published: May 2016

Coupling of the p‐tolylguanidine carbonate (II) with the isothiocyanates (I) gives the thiourea derivatives (III) which are benzylated to yield (V).
ChemInform Abstract: A Convenient Synthesis of 5‐Substituted‐4‐Hydroxy‐3,4,5,6‐tetrahydro‐2H‐pyran‐2‐ones via a Chemoselective Differentiation of the Two Ester Functions of Dimethyl Acetonedicarboxylate.
Authors: PRUGH J. D. , DEANA A. A.
Published: May 2016

Dimethyl acetonedicarboxylate (I) is converted to the alkylated enamines (V) which are reduced, hydrolyzed, and saponified, yielding the 3,4‐dihydroxycarboxylic acids (VIII).
ChemInform Abstract: Reaction of 1,4‐Diaza‐1,3‐butadienes with Cyanotrimethylsilane. Synthesis of 2,3‐Bis(arylamino)propenenitriles and Their Cyclization to 1,4‐Diaryl‐2,3‐dioxo‐5‐pyrazinecarbonitriles.
Authors: TAKAHASHI M. , MIYAHARA H. , YOSHIDA N.
Published: May 2016

Cyanation of the 1,4‐diaryl‐1,4‐diaza‐1,3‐butadienes (I) with trimethylsilyl cyanide (II) yields the unsaturated cyano‐1,2‐diamines (III) which are cyclized with oxalyl chloride (IV) to produce the dioxopyrazinecarbonitriles (V).
ChemInform Abstract: Carbodiimide‐Mediated Annelation of a 1,2,4‐Triazole Ring into a Heterocyclic Ring: Synthesis of 1,2,4‐Triazolo(4,3‐b)triazole, Imidazo‐(1,2‐b)‐1,2,4‐triazole, and 1,2,4‐Triazolo(1,5‐d)‐1,2,4‐triazine Derivatives.
Authors: MOLINA P. , ALAJARIN M. , FERAO A. , LORENZO A. , VILAPLANA J. , ALLER E. , PLANES J.
Published: May 2016

The N‐amino‐1,2,4‐triazole (I) or N‐aminoimidazole (V) is coupled with the diarylcarbodiimides (II) to give the guanidines (III) and (VI) which are cyclized, producing the triazolotriazoles (IV) or the imidazotriazoles (VII).
ChemInform Abstract: Formation and Reaction of Mesoionic Imidazolo(2,3‐b)(1,3)thiazines and (1,2,4,6)Thiatriazino(3,2‐b)(1,3)thiazin‐4‐one 2,2‐Dioxides from 2‐Arylimino‐1,3‐thiazines.
Authors: ICHINARI M. , SATO T. , HAYASE Y.
Published: May 2016

The aryliminothiazine derivatives (I) undergo cyclocondensation with chloroacetyl chloride (II) to produce the isomeric dihydroimidazolothiazinylium olates (III) and (IV).
ChemInform Abstract: 2,2,5,5‐Tetramethyl‐1‐thia‐2,5‐disilacyclopentane, an Easily Prepared Sulfur Transfer Reagent.
Authors: GUGGENHEIM T. L.
Published: May 2016

The diaminodisilane (I) reacts with hydrogen sulfide (II) to give the cyclic sulfide (III) which is a useful sulfur transfer reagent.
ChemInform Abstract: Effect of Metal Ions in Organic Synthesis. Part 36. One‐Pot Synthesis of New 3‐Carbonyl‐ and 3‐Carboxy‐N‐phosphorus‐1‐aminopyrroles.
Authors: ATTANASI O. A. , FILIPPONE P. , GUERRA P. , SERRA‐ZANETTI F.
Published: May 2016

Cyclization reaction of the N‐phosphorylazoalkenes (II) with the β‐diketones and β‐keto esters (I) results in the formation of the 1‐aminopyrroles (III).
ChemInform Abstract: The Chemistry and Structure of a 10‐Sn‐4 System: Pseudo‐Trigonal‐Bipyramidal 4‐Coordinate, 10‐Electron Tin Centers.
Authors: BETTERMANN G. , ARDUENGO A. J. III
Published: May 2016

The discrete pseudo‐trigonal‐bipyramidal tin(II) compound (III) is prepared by the reaction of the azanonane dione (I) with SnCl4 (II).
ChemInform Abstract: Reactivity of Indoxyltricarbonylchromium(0) and Indolinetricarbonylchromium(0) Complexes: Suppression of a Neopentyl Rearrangement and a Facile Opening of the Indoline Ring.
Authors: DICKENS P. J. , SLAWIN A. M. Z. , WIDDOWSON D. A. , WILLIAMS D. J.
Published: May 2016

The indoxyl complexes (III), obtained from the o‐lithio fluorides (I) and the azlactones (II), are reduced or substituted with the nucleophilic reagents (V) to produce the alcohols (IV).
ChemInform Abstract: Synthesis, Structure and Bonding of (Cl2Sn(Rh(PMe3)3Cl)2)·THF, an Unusual Sn(II)‐Rh(I) Compound.
Authors: CHAN D. M. T. , MARDER T. B.
Published: May 2016

The title complex (IIIa) is investigated by X‐ray diffraction, it crystallizes monoclinic in C2 s‐Pn with Z=2.
ChemInform Abstract: Diosmium and Dirhodium Compounds Containing a Cisoid Arrangement of 2‐Diphenylphosphinopyridine Bridges.
Authors: COTTON F. A. , MATUSZ M.
Published: May 2016

The reactions of the tetraacetates (I) and (IV) with the phosphinopyridine (II) proceed with varying degrees of substitution to form the compounds (III) and (V), respectively.
ChemInform Abstract: Tetranuclear Complexes as Intermediates in Transannular Oxidative Addition Reactions. Structure of the First Linear Tetrairidium Cluster.
Authors: CIRIANO M. A. , SEBASTIAN S. , ORO L. A. , TIRIPICCHIO A. , TIRIPICCHIO‐CAMELLINI M. , LAHOZ F. J.
Published: May 2016

While the photoreaction of (III), obtained from the diolefin complex (I), with iodine yields the product (V) of transannular oxidative addition, the reaction of (III) with iodine in toluene gives the cluster (IV).
ChemInform Abstract: Effect of Excess PbO on the Sintering Characteristics and Dielectric Properties of Pb(Mg1/3Nb2/3)O3‐PbTiO3‐Based Ceramics.
Authors: GUHA J. P. , HONG D. J. , ANDERSON H. U.
Published: May 2016

Addition of excess PbO to the title ceramics enhances the formation of a liquid phase at 840 °C, which serves as a densification aid for the ceramics.
ChemInform Abstract: Crystal Structure of ScB12.
Authors: BRUSKOV V. A. , ZAVALII L. V. , KUZ'MA YU. B.
Published: May 2016

The title compound has a cubic, face‐centered structure and belongs to the UB12 structural type (space group Fm3m).
ChemInform Abstract: Composite Electrodes Containing Conducting Polymers and Li Alloys.
Authors: MAXFIELD M. , JOW T. R. , GOULD S. , SEWCHOK M. G. , SHACKLETTE L. W.
Published: May 2016

Fabrication and electrochemical properties of composite film electrodes comprised of a Li alloy (LiyAl or LiyPb) and a Li‐doped conducting polymer (polyacetylene or poly(p‐phenylene)) are described.
ChemInform Abstract: The Electrochemistry of Alkaline K3Cr(CN)6 Solutions at p‐GaAs
Authors: VAN DEN MEERAKKER J. E. A. M.
Published: May 2016

is studied by voltammetry, photocurrent transients and impedance measurements.
ChemInform Abstract: High‐Field, High‐Resolution Proton “Magic‐Angle” Sample‐Spinning NMR Spectroscopic Studies of Gel and Liquid Crystalline Lipid Bilayers and the Effects of Cholesterol.
Authors: FORBES J. , HUSTED C. , OLDFIELD E.
Published: May 2016

A 1H NMR method is presented leading to high spectral resolution, faster than other techniques, by combining the use of high magnetic field strength and magic‐angle sample‐spinning.
ChemInform Abstract: Polarographic and Spectrophotometric Analysis of Deprotonation Reactions and Subsequent Modifications of the Aromaticity in an Acidic Medium.
Authors: LEJEUNE R. , THUNUS L.
Published: May 2016

The modifications in polarographic and spectrophotometric curves as a result of changing the pH of the solution are investigated for ca. 20 pyridines such as (I) or (II).
ChemInform Abstract: Investigations in the Cyclobutane Series. Part 61. 1,3‐Di‐tert‐butylcyclobutane Derivatives.
Authors: STEFAN N. , DINULESCU I. G. , AVRAM M.
Published: May 2016

2,4‐Di‐tert‐butylcyclobutane‐1,3‐dione (VI) and its dihydroxy analogue (VII) are prepared from diisopropylidenecyclobutanone (I) as outlined in the reaction scheme.
ChemInform Abstract: Acetals of Lactams and Acid Amides. Part 48. Reaction of Enamino Diketones with Amide Acetals. Synthesis of Coumarin and Carbostyril Derivatives.
Authors: GRANIK V. G. , SHANAZAROV A. K. , SOLOV'EVA N. P. , CHISTYAKOV V. V. , PERSIANOVA I. V. , SHEINKER YU. N.
Published: May 2016

Reaction of dimedone (I) with the DMF acetal (II) and subsequent transamination of the enamine (III) give the 2‐aminomethylene compounds (V).
ChemInform Abstract: The Stereochemistry of N‐tert‐Butyl‐4‐(4‐hydroxyphenyl)‐4‐phenyl‐2‐butylamines.
Authors: HELANDER A. , KENNE L. , NOREN B.
Published: May 2016

The pairs of enantiomers (2R,4R)/(2S,4S) and (2R,4S)/(2S,4R) of the title compound (Ia) are separated and isolated by reversed phase HPLC and their structures are investigated by NMR.
ChemInform Abstract: Asymmetric Synthesis of 2‐Substituted (4S)‐4‐Aminopyrrolidines. SN2 Displacement at the 4‐Position of the Pyrrolidine Moiety.
Authors: ROSEN T. , FESIK S. W. , CHU D. T. W. , PERNET A. G.
Published: May 2016

(2R,4S)‐4‐Acetylamino‐1‐benzyl‐2‐hydroxymethylpyrrolidine (XI), which is a precursor to gyrase inhibitors, is prepared from cis‐4‐hydroxy‐D‐proline (I) in a 5 step reaction sequence.
ChemInform Abstract: Synthesis of 3,4‐Dihydro‐2(1H)‐pyridinone Derivatives.
Authors: BARLUENGA J. , JARDON J. , GOTOR V.
Published: May 2016

Treatment of the 4‐amino‐1‐azabutadienes (I) with potassium hydride and methyl acrylate or methacrylate (II) results in the formation of the title compounds (III).
ChemInform Abstract: Syntheses of 10‐Methyl‐9‐phenyl‐9,10‐dihydroacridines and Their Visible Spectra in Acetic Acid.
Authors: NAGAO Y. , OYAMA T. , ABE Y. , MISONO T.
Published: May 2016

Reaction of the acridones (I) with the Grignard reagents (II), followed by treatment with sodium methoxide (III), yields the aryl substituted methoxyacridines (IVa) ‐ (IVc).
ChemInform Abstract: Pyrimidine‐5‐carbonitriles from Methyl N‐(Aminocarbonyl)‐ or N‐(Aminothiocarbonyl)imidates.
Authors: KRECHL J. , PEREZ M. A. , CUADRADO F. J. , SOTO J. L.
Published: May 2016

Coupling of the methyl imidates (I) with the isocyanates (II) gives the N‐(aminocarbonyl)imidates (III) which cyclize on treatment with malononitrile (IV), methyl cyanoacetate (VI), or diethyl malonate (VIII), yielding the pyrimidine derivatives (V), (VII), or (IX).
ChemInform Abstract: Perhalomethylthioheterocycles. Part 25. Electrophilic Substitution of 2,4‐Diaminopyrimidines with Perhalomethylchalcogen Halides.
Authors: HAAS A. , LIEB M. , SCHWEDERSKI B.
Published: May 2016

The perhalomethylsulfur chlorides (II) react with the biologically active 2,4‐diaminopyrimidines (I) or (IV), yielding the N‐exocyclic substituted derivatives (III) or (V).
ChemInform Abstract: Pentacoordinated Molecules. Part 70. New Five‐ and Six‐Coordinated Anionic Tin(IV) Complexes. Molecular Structure of Spirocyclic Stannates with Mixed Ligands.
Authors: HOLMES R. R. , SHAFIEEZAD S. , CHANDRASEKHAR V. , SAU A. C. , HOLMES J. M. , DAY R. O.
Published: May 2016

The bromostannate (III) crystallizes in P21/c with Z=4.
ChemInform Abstract: Organometallic Nitrosyl Chemistry. Part 35. Cyclopentadienylethyldinitrosylmolybdate Anion, a Novel, Prototypal 19‐Electron Nitrosyl Complex.
Authors: LEGZDINS P. , WASSINK B. , EINSTEIN F. W. B. , JONES R. H.
Published: May 2016

The cyclic voltammogram of (I) in CH2Cl2/(Bu4N)PF6 reveals that the nitrosyl compound undergoes reversible reduction with E1/2 = ‐0.86 V. This reduction is best effected in Et2O with cobaltocene (II) as the reducing agent to yield the solid product (III).
ChemInform Abstract: Dioxygen‐Copper Reactivity. Models for Hemocyanin: Reversible O2 and CO Binding to Structurally Characterized Dicopper(I) Complexes Containing Hydrocarbon‐Linked Bis(2‐(2‐pyridyl)ethyl)amine Units.
Authors: KARLIN K. D. , HAKA M. S. , CRUSE R. W. , MEYER G. J. , FAROOQ A. , GULTNEH Y. , HAYES J. C. , ZUBIETA J.
Published: May 2016

The dinucleating ligand is prepared from excess 2‐vinylpyridine and 1,4‐diaminobutane in an acid‐catalyzed reaction (70 to 80% yield) and reacts with (Cu(MeCN)4)Y (Y: PF6‐ or ClO4‐) in CO‐saturated MeOH to give (Ia).
ChemInform Abstract: Synthesis of Vinca Alkaloids and Related Compounds. Part 32. Some New Reactions of 1‐Cyclopropyl‐indoloindolizine and 1‐Cyclopropyl‐indoloquinolizine Derivatives.
Authors: KALAUS G. , GALAMBOS J. , KAJTAR‐PEREDY M. , SZABO L. , SZANTAY C.
Published: May 2016

Reduction of the cyclopropylindoloindolizine (I) yields ‐ depending on the conditions ‐ the ring‐opened products (II) and/or (III).
ChemInform Abstract: A New Approach to Receptor Ligand Design: Synthesis and Conformation of a New Class of Potent and Highly Selective μ Opioid Antagonists Utilizing Tetrahydroisoquinoline Carboxylic Acid.
Authors: KAZMIERSKI W. , HRUBY V. J.
Published: May 2016

The peptides (I), synthesized by standard methods, represent a new class of potent and selective μ opioid receptor antagonists.
ChemInform Abstract: Proton Conduction in Sintered Oxides Based on BaCeO3.
Authors: IWAHARA H. , UCHIDA H. , ONO K. , OGAKI K.
Published: May 2016

Some sintered BaCeO3‐based ceramics are found to exhibit appreciable protonic conductivity in water or hydrogen containing atmospheres, although they are p‐type conductors in dry atmospheres.
ChemInform Abstract: An Irreversible Structure Sensitive Adsorption Step in Bismuth Underpotential Deposition at Platinum Electrodes.
Authors: CLAVILIER J. , FELIU J. M. , ALDAZ A.
Published: May 2016

When a Pt surface is exposed to an acidic solution containing a Bi(III) salt, a spontaneous adsorption process occurs.
ChemInform Abstract: RbHg2 and CsHg2 ‐ Preparation, Crystal Structures, and Electrical Conductivities.
Authors: DEISEROTH H. J. , STRUNCK A. , BAUHOFER W.
Published: May 2016

The title compounds are prepared by reaction of the elements under argon atmosphere using an optimized Schlenk apparatus.
ChemInform Abstract: Radical Cations and Anions of 1,2,4,5‐Tetrazines: An ESR and Cyclic Voltammetric Study.
Authors: FISCHER H. , MUELLER T. + , UMMINGER I. , NEUGEBAUER F. A. , CHANDRA H. , SYMONS M. C. R.
Published: May 2016

While n(σ) radical cations are derived from (Ia) by γ‐irradiation at 77 K, (Ib) and (Ic) form radical cations of the π‐type, showing also reversible behavior in their cyclic voltammograms in contrast to (Ia).
ChemInform Abstract: Asymmetric Diels‐Alder Reaction by the Use of a Chiral Titanium Catalyst with Molecular Sieves 4A. Remarkable Solvent Effect on the Enantioselectivity.
Authors: NARASAKA K. , INOUE M. , YAMADA T. , SUGIMORI J. , IWASAWA N.
Published: May 2016

The stereochemistry of the Diels‐Alder reaction between the butadienes (I) or cyclopentadiene (IV) and the propenoyloxazolidinones (II) or (V) is investigated.
ChemInform Abstract: Stereochemical Effects in the Gas‐Phase Pinacol Rearrangement. Part 2. Ring Contraction versus Methyl Migration in cis‐ and trans‐1,2‐Dimethylcyclohexane‐1,2‐diol.
Authors: DE PETRIS G. , GIACOMELLO P. , PIZZABIOCCA A. , RENZI G. , SPERANZA M.
Published: May 2016

The protonation of (I) or its trans epimer under conditions of chemical ionization (CID/MIKE spectra) by Bronsted acids formed in the CH4 or isobutane plasma leads to the suggestion of a common structure (or mixture of structures) with a predominant C5 cyclic component in both cases.
ChemInform Abstract: Reactions of Polyhalogenfunctional Compounds with Metals and Electrophilic Reagents. Part 8. Reaction of 2,2,2‐Trichloroethylidene Derivatives of β‐Dicarbonyl Compounds with Zinc and Chloromethyl Esters or Chloroamides.
Authors: SHCHEPIN V. V. , RODYGIN A. S. , LAPKIN I. I. , D'YAKOVA I. G.
Published: May 2016

The trichloroethylidene compounds (I) are converted to the corresponding zinc‐organic derivatives which react in situ with the chloromethyl esters (II) or with N‐methyl‐N‐chloromethylacetamide (IV) to give the C‐acyloxymethyl products (III) or the C‐acylaminomethyl products (V) in low to fair yields.
ChemInform Abstract: Oxidative Acetoxylation of Silylated Enol Ethers.
Authors: BRUNOVLENSKAYA I. I. , KUSAINOVA K. M. , KASHIN A. N.
Published: May 2016

The reactions between equimolar quantities of phenyliodoso diacetate (II) and the trimethylsilylprotected enols (I), (V), (VIII) or (XI) may take two different routes: substitution of one vinylic proton by an acetoxy group, as can be seen by the formation of the products (III) or (VI), or bis‐acetoxylation of the trimethylsilyloxysubstituted alkene bonds, as can be seen by the formation of the products (IV), (IX) or (XII).
ChemInform Abstract: Fluoroalkylation and Fluoroalkoxylation. Part 28. Palladium(0)‐Induced Addition of Fluoroalkyl Iodides to Alkenes: An Electron Transfer Process.
Authors: CHEN Q.‐Y. , YANG Z.‐Y. , ZHAO C.‐X. , QIU Z.‐M.
Published: May 2016

The palladium‐catalyzed reaction between the fluoroalkyl iodides (I) and the alkenes (II) yields the adducts (III) under mild conditions.
ChemInform Abstract: Cuprate Additions to 5‐Methoxycyclopentenones: A Novel Stereoelectronic Effect.
Authors: SMITH A. B. III , DUNLAP N. K. , SULIKOWSKI G. A.
Published: May 2016

The lithium dimethylcuprates (II) react with the cyclopentenones (I), (V), or (VII) to give the methylated derivatives (III), (VI), or (VIII).
ChemInform Abstract: Bromo(3)cumulenes as Precursors to Haloenynes.
Authors: ZIEGLER C. B. JUN.
Published: May 2016

The dibromoallylphosphonium salts (I) react with lithium hexamethyldisilazide to form the phosphacumulenes (II) which are coupled with the carbonyl compounds (III) to produce the cumulenes (IV).
ChemInform Abstract: Acylanilides. Part 1. Syntheses of the Racemates and Enantiomers of Chiral Acylanilides.
Authors: KNABE J. , CHRISTENSEN P.
Published: May 2016

The racemic and optically active cyanoacetic acids or cyanoacetyl chlorides (I) react with the aromatic amines (II) to give the corresponding cyanoacylanilides (III).
ChemInform Abstract: Oxidation of Furfural with H2O2 in the Presence of a Photogenerated Iron Catalyst.
Authors: MOULINES F. , RUIZ J. , ASTRUC D.
Published: May 2016

A solution of furfural (I), H2O2, and a cyclopentadienyliron benzene complex is irradiated, forming an iron catalyst system.
ChemInform Abstract: Synthesis of New Aryl‐ and Hetarylpyrazolines. Part 1.
Authors: POPA E. , MAJOR O.
Published: May 2016

The pyrazolines (III) are prepared by cyclocondensation of the known chalcones (I) with phenylhydrazine (II).
ChemInform Abstract: Polarized Ketene Dithioacetals. Part 60. Synthesis of Novel 6‐Aryl‐5‐bis(methylthio)methyl‐3(2H)‐pyridazinones.
Authors: SINGH L. W. , ILA H. , JUNJAPPA H.
Published: May 2016

The 4‐oxobutanenitriles (I) react with hydrazine hydrate (II) to give the title compounds (III).
ChemInform Abstract: Syntheses and Properties of Some Polymethylene‐Bridged Adenines.
Authors: IENAGA K. , HASEGAWA T. , BROWN D. J. , PFLEIDERER W.
Published: May 2016

Syntheses of novel polymethylene‐bridged derivatives (VI), (VII), (IX) of adenine are performed.
ChemInform Abstract: Expansion of a Pyridine Ring by a Nitrene.
Authors: JONES G. , YORK D. C.
Published: May 2016

Pyrolysis of the 2‐(o‐azidobenzyl)pyridine (I) produces a mixture of the amine (II) and the fused diazepine (III).
ChemInform Abstract: Synthesis and Structure of 7,9‐Dinitro‐5‐phenyl‐1,4‐benzodiazepine Derivatives and Their Benzo(b)analogues.
Authors: DVORKIN A. A. , SIMONOV YU. A. , IVANOV E. I. , FEDOROVA G. V. , IVANOVA R. YU.
Published: May 2016

Cyclization of the o‐chlorobenzophenone (I) or the o‐chlorobenzoate (IV) with the diamines (II) gives the benzodiazepines (III) and (V) respectively.
ChemInform Abstract: Macroheterocycles. Part 33. Binuclear Chiral Crown Ethers.
Authors: LUK'YANENKO N. G. , LOBACH A. V. , LYAMTSEVA L. N. , NAZAROVA N. YU. , KARPENKO L. P.
Published: May 2016

Condensation of the (S,S)‐butanetetrol (I) with the tosylates (II) affords mixtures of the corresponding chiral binuclear crown ethers (III)‐(V).
ChemInform Abstract: Synthesis of Nitro Derivatives of Dibenzo‐18‐crown‐6.
Authors: KALISHEVICH V. S. , TIMOFEEV O. S. , ZAKHAROV K. S. , GREN' A. I.
Published: May 2016

Nitration of the title compound (I) with HNO3 (II) in the presence of La(NO3)3 yields regioselectively the 20,25‐dinitro derivative (III).
ChemInform Abstract: Synthesis of Novel Carbo‐ and Heteropolycycles. Part 7. Synthesis of 6‐Azatricyclo(6.3.1.04,10)dodecane and 5‐Azatricyclo(5.3.1.13,9)dodecane Derivatives via Intramolecular Cycloaddition of N‐((endo‐Bicyclo(3.3.1)non‐6‐en‐3‐yl)methyl)nitrones.
Authors: EGUCHI S. , FURUKAWA Y. , SUZUKI T. , SASAKI T.
Published: May 2016

The reaction of the hydroxylamine (I) with the aldehydes (IIa) (paraformaldehyde), (IIb) or (IIc) and intramolecular cycloaddition reaction of the in situ formed respective nitrones yields both regioisomers (III) and (IV) in different ratios depending on the nitrone's α‐substituent.
ChemInform Abstract: Facile Synthesis of a New Family of Cage Molecules.
Authors: MACDOWELL D. , NELSON J.
Published: May 2016

Tris(2‐aminoethyl)amine (I) reacts with the 1,3‐dialdehydes (II) to form the macrocycles (III).
ChemInform Abstract: Conjugate Addition of N‐Substituted Organo(silyliminomethyl)copper(I) to α,β‐Unsaturated Carbonyl Compounds.
Authors: MURAKAMI M. , MATSUURA T. , ITO Y.
Published: May 2016

The silylstannylimine (I) reacts with butyllithium and the copper(I) derivatives (II) to produce the iminomethylcuprates (III) which are coupled with the enones (IV) or (VII).
ChemInform Abstract: Photochemical and Thermal Decomposition of Diazo‐2‐trimethylsilyl‐2‐sila‐3,5‐cyclohexadienes. Silabenzene and Silafulvene as Intermediates.
Authors: MAERKL G. + , SCHLOSSER W. , SHELDRICK W. S.
Published: May 2016

The results of the copper‐induced or photochemical decomposition of the diazosilacyclohexadiene (IV), prepared from the silacyclohexadiene (I), are outlined in the reaction scheme.
ChemInform Abstract: Reaction of tert‐Butyl(tert‐butylimino)phosphine with tert‐Butyl(tert‐butylimino)borane.
Authors: GUDAT D. , NIECKE E. , NIEGER M. , PAETZOLD P.
Published: May 2016

In contrast to the (2 + 2) cycloaddition reaction of aminoiminophosphines with iminoboranes, the title compounds (I) and (II) react to yield the heterocyclic products (III) and (IV).
ChemInform Abstract: Synthesis of Bis(η5‐cyclopentadienyl)(1,2,3‐triphenyltriphosphane‐1,3‐diyl)zirconium(IV) and ‐hafnium(IV), Cyclic ((η5‐C5H5)2M(PPh‐PPh‐PPh)) (M: Zr, Hf), and Structure of the Hafnocene Derivative.
Authors: HEY E. , BOTT S. G. , ATWOOD J. L.
Published: May 2016

The reaction of the metallocene dichlorides (I) with the Li phenylphosphide (II) leads to the title compounds (III).
ChemInform Abstract: Reactivity of Cationic Molybdenum(II) Complexes. Part 2. Electrochemical Reduction of the Eighteen‐Electron Complexes (Mo(CO)3(η5‐C5Me5)L)+ (L: CO, p‐MeC6H4NC, or P(OMe)3). Crystal Structure of (Mo2(CO)6(η5‐C5Me5)2).
Authors: LEONI P. , MARCHETTI F. , PASQUALI M. , ZANELLO P.
Published: May 2016

The 18‐electron cationic complexes (I) undergo in CH2Cl2 solvent, a one‐electron cationic process which gives rise to the different products, the dimer (II) or (III), depending on the nature of L. The dimer (II) (space group P21/c, Z=2) is characterized by an X‐ray structure determination.
ChemInform Abstract: Preparation and Reactions of (Fe(Ph2PCH2PPh2‐P)(CO)(COMe)(η5‐C5H5)) and Its Derivatives.
Authors: SHAW B. L. , SMITH M. J. , STRETTON G. N.
Published: May 2016

The title compound (III) is prepared according to the scheme.
ChemInform Abstract: Synthesis of Homoleptic Tetrahedral Aryls of Rhenium(IV) and Ruthenium(IV). X‐Ray Crystal Structures of Tetrakis(o‐methylphenyl)rhenium(IV), Tetrakis(o‐methylphenyl)oxorhenium(VI), and Tetrakis(o‐methylphenyl)ruthenium(IV).
Authors: SAVAGE P. D. , WILKINSON G. , MOTEVALLI M. , HURSTHOUSE M. B.
Published: May 2016

The new compounds (III), (VIa) and (VIb) are prepared as shown; the derivatives (VIc) and (VId) are obtained similarly from (V).
ChemInform Abstract: The Heteronuclear Cluster Chemistry of the Group 1 B Metals. Part 6. Synthesis, Structures, and Dynamic Behavior of the Bimetallic Hexanuclear Group 1 B Metal Cluster Compounds (M2Ru4(μ3‐H)2(μ‐Ph2P(CH2)nPPh2)(CO)12) (M: Cu or Ag, n = 1‐6). X‐Ray Crystal Structures of (Cu2Ru4(μ3‐H)2(μ‐Ph2P(CH2)nPPh2)(CO)12) (n = 2, 3 or 5).
Authors: BROWN S. S. D. , SALTER I. D. , TOUPET L.
Published: May 2016

The mixed‐metal cluster compounds (IV), which are prepared as shown in the scheme and which all adopt the same metal core structure, are characterized by IR, 1H and 31P(1H) NMR spectroscopy and X‐ray structure analysis of (IVa) (P21, Z=4), (IVb) ( P21/n, Z=4) and (IVc) (P21/c, Z=4).
ChemInform Abstract: Organo‐Platinum‐Iron Complexes Containing One Bridging Ph2PCH2PPh2 Ligand. Crystal Structures of ((OC)3Fe(μ‐dppm)(μ‐CO)Pt(PPh3)), ((OC)2Fe(μ‐dppm)(μ‐C(O)C2H2)Pt(PPh3)), and ((OC)3Fe(μ‐dppm)(μ‐CMe=CH2)Pt(PPh3)) (BF4).
Authors: FONTAINE X. L. R. , JACOBSEN G. B. , SHAW B. L. , THORNTON‐PETT M.
Published: May 2016

Treatment of Fe(0) complexes (I) with the Pt(0) complex (II) gives the bimetallic diphosphine‐ and CO‐bridged complexes (III).
ChemInform Abstract: A 57Fe Moessbauer Spectroscopy Study of One‐Dimensional TlFeSe2
Authors: BERGER R. , HAEGGSTROEM L. + , SUNDQVIST T.
Published: May 2016

(prepared from 57Fe2O3).
ChemInform Abstract: Passivation of Nickel in Aqueous Solutions. Part 3. The Passivation of Ni‐30 wt.% Cu Alloys as Studied by in situ Electrochemical and Optical Techniques
Authors: HUMMEL R. E. , SMITH R. J.
Published: May 2016

(differential reflectometry and electrochemical polarization techniques).
ChemInform Abstract: In situ Laser Raman Spectroelectrochemical Study of the Corrosion of Lead in Dilute Na2SO4 Solution at High Temperature.
Authors: MCMAHON J. J. , RUTHER W. , MELENDRES C. A.
Published: May 2016

The results of in situ laser Raman spectroscopy and cyclic voltammetry are compared with the thermodynamic predictions of the temp.‐dependent Pourbaix diagram for Pb in dilute Na2SO4.
ChemInform Abstract: Inter‐ and Intramolecular hetero Diels‐Alder Reactions. Part 21. Intramolecular hetero Diels‐Alder Reaction of Alkylidene‐1,3‐dicarbonyl Compounds. Experimental Evidence for an Asymmetric Transition State.
Authors: TIETZE L. F. , BRUMBY T. , BRAND S. , BRATZ M.
Published: May 2016

The intramolecular hetero Diels‐Alder reaction of the heterodiene (III) derived in situ by Knoevenagel condensation of the aldehydes (I) with the barbituric acid (II) yields the cycloadducts (IV) and (V) together with the ene adducts (VI).
ChemInform Abstract: Photocatalytic Systems. Part 68. Second‐Sphere Photoreaction of Cyanometallates with Diphenyliodonium Ions.
Authors: BILLING R. , REHOREK D. , SALVETTER J. , HENNIG H.
Published: May 2016

Solutions of the salts (I) and (II) in methanol and other non‐aqueous solvents exhibit new electronic absorptions due to ion pair charge‐transfer.
ChemInform Abstract: Intramolecular Cycloadditions to Oxyallyl Zwitterions Generated from Photorearrangements of 2,5‐Cyclohexadien‐1‐ones.
Authors: SCHULTZ A. G. , MACIELAG M. , PLUMMER M.
Published: May 2016

Photolysis of the 4‐(azidopropyl)cyclohexa‐2,5‐dienones (I) yields the rearranged products (II) and (III) or (IV) or the heterocyclic compound (V).
ChemInform Abstract: Reaction of Aromatic Azo Compounds with Ozone.
Authors: MATSUI M. , IWATA Y. , KATO T. , SHIBATA K.
Published: May 2016

Azobenzene (Ia) reacts with ozone in methylene chloride to produce the chlorinated products (II) and (Ic), together with azoxybenzene (IIIa) and glyoxal (IV).
ChemInform Abstract: NAD(P)+‐NAD(P)H Models. Part 65. Photochemical Reductive Desulfonylation of β‐Keto Sulfones with the Hantzsch Ester.
Authors: FUJII M. , NAKAMURA K. , MEKATA H. , OKA S. , OHNO A.
Published: May 2016

The title reaction, i.e. the desulfonylation of β‐keto sulfones such as (Ia)‐(Id), proceeds in good to excellent yield on activation of the Hantzsch Ester HEH by irradiation with visible light in the presence of the Ru(II) complex as photosensitizer.
ChemInform Abstract: The Invention of Radical Reactions. Part 17. A Decarboxylative Sulfonylation of Carboxylic Acids.
Authors: BARTON D. H. R. , LACHER B. , MISTERKIEWICZ B. , ZARD S. Z.
Published: May 2016

Decarboxylative sulfonylation of the esters (I) yields the thiosulfonates (III), which are converted to the sulfones (V) or the sulfonamides (VIII).
ChemInform Abstract: Electrophilic Substitution Reaction at Azomethine Carbon Atom. Acylation of Aliphatic Aldehyde Hydrazones.
Authors: KAMITORI Y. , HOJO M. , MSUDA R. , YOSHIDA T. , OHARA S. , YAMADA K. , YOSHIKAWA N.
Published: May 2016

The N,N‐dialkyl(diaryl)hydrazones (I) derived from formaldehyde are treated with trifluoroacetic acid anhydride (II) in the presence of bases such as 2,6‐lutidine to give mainly the C‐acylated products (III).
ChemInform Abstract: Charge Reversal of Electrophilic π‐Allylpalladium Intermediates. Carbonyl Allylation by Allylic Acetates with PdCl2(PhCN)2‐SnCl2.
Authors: MASUYAMA Y. , HAYASHI R. , OTAKE K. , KURUSU Y.
Published: May 2016

Reaction of the allylic acetates (I), (IV), and (VI) with the aldehydes (II) in the presence of the catalytic system mentioned in the title yields the homoallylic alcohols (III) or (V).
ChemInform Abstract: Reactions of Nitro Alcohols with N,N‐Diethyl‐1,1,2,3,3,3‐hexafluoropropylamine.
Authors: WATANABE S. , FUJITA T. , SAKAMOTO M. , ENDO H. , KITAZUME T.
Published: May 2016

Addition of the nitrobenzylic alcohols (I) to a solution of the title compound (II) results in the formation of the benzylic fluorides (III).
ChemInform Abstract: Hydroxycarbonylation of Aryl Halides with Formate Salts Catalyzed by Palladium Complexes.
Authors: PRI‐BAR I. , BUCHMAN O.
Published: May 2016

The aryl bromides (I) are hydroxycarbonylated with carbon monoxide (II) in the presence of calcium formate (III) or other formic acid salts and Pd‐catalysts to give the substituted benzoic acids (IV).
ChemInform Abstract: Light‐Induced Synthesis of Tricyclic Thiolane Derivatives from 2(5H)‐Thiophenones via Consecutive Radical Ring Closure.
Authors: KIESEWETTER R. , GRAFF A. , MARGARETHA P.
Published: May 2016

The new unsaturated thiolactones (III) and (X) are synthesized in analogy to reported procedures.
ChemInform Abstract: Dialkyl (2,3‐Epoxy‐4‐oxoalkyl)phosphonates as Synthons for Thiazoles.
Authors: OEHLER E. + , KANG H.‐S. , ZBIRAL E.
Published: May 2016

On reaction with thioureas (II) or thioamides (V), the phosphonate (I) is transformed to the thiazolylphosphonates (III) or (VI), which undergo cleavage to yield the thiazoles (IV) or (VII).