bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis and Pharmacological Activity of Substituted Nicotinoylamino Acids.
Authors: KUZNETSOVA E. A. , VORONINA T. A. , KHROMOVA I. V. , GARIBOVA T. L. , TOSINA E. K. , STOLYAROVA L. G. , TROITSKAYA V. S. , SMIRNOV L. D.
Published: May 2016

Reaction of the nicotinic azides (I) with the amino acids (II) gives the N‐nicotinoylamino acids (III).
ChemInform Abstract: Synthesis of the Stereoisomers of 1‐O‐(2′‐Methoxyhexadecyl)glycerol and Some Phosphocholine Derivatives.
Authors: STAELLBERG G. A. M. +
Published: May 2016

All four stereoisomers (VIIa), (VIIb), (VIIIa) and (VIIIb) of 1‐O‐(2‐methoxyhexadecyl)glycerol are synthesized.
ChemInform Abstract: Approaches to the Synthesis of 5‐Benzylidene‐2‐imidazolin‐4‐ones.
Authors: PRAGER R. H. , TSOPELAS C.
Published: May 2016

To complete the synthesis of the natural compound (IV), the ketone (I) is condensed with glycocyamidine with the aim to form the desired imidazolinone (III), but the product (II) is obtained by this reaction.
ChemInform Abstract: Synthesis of 5‐(Alkylamino)‐1‐β‐D‐ribofuranosyl‐1H‐imidazole‐4‐carboxamides, Key Intermediates for the Synthesis of 3‐Alkyl‐9‐β‐D‐ribofuranosylpurine Derivatives.
Authors: ITAYA T. , SAITO T. , HARADA T. , KAGATANI S. , FUJII T.
Published: May 2016

The benzyloxyadenosine (I) is hydrolyzed and subsequently coupled with the alkyl halides (II) to produce the N‐alkyl formamide derivatives (III).
ChemInform Abstract: 5‐Fluorouracil Derivatives. Part 17. Synthesis and Antitumor Activity of 5′‐O‐Acyl‐5‐fluorouridines.
Authors: OZAKI S. , AKIYAMA T. , IKE Y. , MORI H. , HOSHI A.
Published: May 2016

The isopropylidene fluorouridine (I) reacts with acyl chlorides such as (II) to give the corresponding esters (III) which are deprotected to produce the compounds (IV) mentioned in the title.
ChemInform Abstract: New Preparative and Optical Resolution Method for β‐Lactams.
Authors: TODA F. , TANAKA K. , YAGI M. , STEIN Z. , GOLDBERG I.
Published: May 2016

Irradiation of a 1:1 inclusion compound of the oxamides (I) and TBD gives the lactones (II) selectively in good yields.
ChemInform Abstract: Total Syntheses of 9‐Oxaanthracyclines.
Authors: VAN H. D.‐T. , SEGUIN E. , TILLEQUIN F. , MONNERET C. , KOCH M.
Published: May 2016

The quinizarine derivative (I) is methylated and then coupled with the allyl bromide (III) to give the allyl ether (IV).
ChemInform Abstract: Unexpected Reaction Between DCC and Cephalosporanic Acid Sulfones.
Authors: ALPEGIANI M. , BISSOLINO P. , ARLANDINI E. , BORGHI D. , PERRONE E.
Published: May 2016

The cephemcarboxylic acid dioxide (I) reacts with dicyclohexylcarbodiimide (II) in dichloromethane to yield the spirooxoazetidinylcephem dioxide (III).
ChemInform Abstract: The Use of Phosphate to Generate H Atoms at pH 5‐8 as Determined by Photocurrents: Electrochemical Properties of H Atoms.
Authors: O'NEILL P. , BUSI F. , CONCIALINI V. , TUBERTINI O.
Published: May 2016

The electrochemical properties of H atoms at near‐neutral pH (5‐8) are investigated based upon photocurrents following the interaction of eaq‐ with H2PO4‐ and HPO42‐ in aqueous solution.
ChemInform Abstract: Photoinduced Metal Deposition of Sprayed SnO2 Films.
Authors: CACHET H. , FROMENT M. , MESSAD A.
Published: May 2016

For the first time, Pd and Pt deposits are obtained on highly conducting sprayed SnO2 films by UV photodeposition under open circuit conditions.
ChemInform Abstract: Promoter Effect of Alkali Metal Oxides and Alkaline Earth Metal Oxides on Active Carbon‐Supported Ruthenium Catalyst for Ammonia Synthesis.
Authors: AIKA K. , KAWAHARA T. , MURATA S. , ONISHI T.
Published: May 2016

In order to prepare an effective catalyst for ammonia synthesis, the promotion behavior of alkali and alkaline earth metal nitrates on carbon‐supported Ru catalysts is investigated.
ChemInform Abstract: Dealumination of ZSM‐5; Characterization by DTA/DTG, XPS, and Adsorption Measurements.
Authors: ALSDORF E. , FEIST M. , GROSS TH. , JERSCHKEWITZ H.‐J. , LOHSE U. , SCHWIEGER M.
Published: May 2016

The Si/Al ratios in ZSM‐5 zeolites can be modified by dealumination after hydrothermal synthesis.
ChemInform Abstract: New Manganese(III) Fluoride Hydrates: Na(MnF4(H2O)2) (I) and Na(MnF4(H2O)2)·H2O
Authors: MASSA W. , SCHMIDT R. E.
Published: May 2016

(II).
ChemInform Abstract: (PPh4)2(Mn(Se4)2): Synthesis and Crystal Structure.
Authors: KRAEUTER G. + , HA‐EIERDANZ M.‐L. , MUELLER U. + , DEHNICKE K.
Published: May 2016

The manganese(II) compound of title is characterized by IR spectroscopy and XRD.
ChemInform Abstract: Ni(0)‐Induced and ‐Catalyzed C‐C Bond Formation Between Phenylisocyanate and Vinyl‐Substituted Heteroaromatics.
Authors: HOBERG H. , GUHL D. , BETZ P.
Published: May 2016

Azanickelacycles of type V) are the presumed intermediates in Ni‐catalyzed C‐C bond formations between alkenes and isocyanates.
ChemInform Abstract: π‐Face Selectivity of Coordinated Ketones to Nucleophilic Additions: The Importance of Aluminum‐Oxygen π‐Bonding.
Authors: POWER M. B. , BOTT S. G. , ATWOOD J. L. , BARRON A. R.
Published: May 2016

The X‐ray investigation of the Lewis acid‐base complex (IIIa) ( P21/n, Z=4) shows that the ketone in these complexes (8 examples) coordinates such that the Al is in the nodal plane of the C=O π‐bond.
ChemInform Abstract: Carboalumination of 1‐Alkynes and in situ Transmetalation to Higher Order Cyanocuprates. Stereospecific Synthesis of Tri‐ and Disubstituted Olefins by Conjugate Addition to Enones.
Authors: IRELAND R. E. , WIPF P.
Published: May 2016

The terminal alkynes (III) are methylaluminated with trimethylaluminum (II) and then directly transmetalated with the organocuprate (IV) to generate the vinylic cuprates (V).
ChemInform Abstract: Tandem Cyclization‐Cycloaddition Reaction of Rhodium Carbenoids. Scope and Mechanistic Details of the Process.
Authors: PADWA A. , FRYXELL G. E. , ZHI L.
Published: May 2016

Treatment of 1‐diazo‐2,5‐pentanediones such as (I) with rhodium(II) carboxylates affords cyclic carbonyl ylide dipoles (III), which undergo 1,3‐dipolar cycloaddition with both electron‐deficient and electron‐rich dipolarophiles as well as with carbonyl compounds to give adducts such as (IV), (VI), (VII), (IX) or (X).
ChemInform Abstract: Diheterocyclic Compounds from Dithiocarbamates and Derivatives Thereof. Part 1. 2,2′‐(Arylenediamino)bisbenzoazoles, 2,2′‐(Arylenediamino)bis(imidazopyridines) and 8,8′‐(Arylenediamino)bispurines.
Authors: GARIN J. , MELENDEZ E. , MERCHAN F. L. , MERINO P. , ORDUNA J. , TEJEDOR R. , TEJERO T.
Published: May 2016

The title compounds, e.g. (III)‐(V) are prepared in one step by the same method as exemplified in the scheme for (III).
ChemInform Abstract: Studies on Formation of 1‐Aralkyl‐2‐aryl‐6‐benzoylbenzimidazoles from 4‐Benzoyl‐o‐phenylenediamine and Aromatic Aldehydes.
Authors: VENKATARATNAM R. V. , RAO P. S. , NARASAIAH B. , RAO M. P.
Published: May 2016

The condensation reaction of the diamine (I) with aromatic aldehydes leads to formation of the benzimidazoles (V) besides the normal products (IV).
ChemInform Abstract: N‐Hydroxypyridine‐2‐thione Carbamates. Part 6. Functionalization of Carbon Radicals Formed by Aminium Cation Radical Cyclizations.
Authors: NEWCOMB M. , MARQUARDT D. J. , KUMAR M. U.
Published: May 2016

The title PTOC carbamates (I) or (IV) serve as precursors of aminium cation radicals, which undergo radical cyclization and subsequent trapping of the thereby formed cyclic carbon radicals.
ChemInform Abstract: “Accordion” Rearrangements of Cyclobutane α‐Sulfonyl Lactones.
Authors: KENDE A. S. , KALDOR I.
Published: May 2016

Starting with the ethoxycarbonylmethylcyclobutanone (I), the tricyclic α‐sulfonyl γ‐lactones (IX) and (XIV) are prepared.
ChemInform Abstract: An Annulation Method for the Synthesis of Highly Substituted Polycyclic Aromatic and Heteroaromatic Compounds.
Authors: DANHEISER R. L. , BRISBOIS R. G. , KOWALCZYK J. J. , MILLER R. F.
Published: May 2016

A general strategy for the synthesis of highly substituted polycyclic aromatic and heteroaromatic compounds such as (III), (VI), (VIII) or (IX) is reported.
ChemInform Abstract: Selective Desulfurization of 1,3‐Dithianes, 1,3‐Oxathiolanes, and 1,3‐Thiazolidines by Tributyltin Hydride.
Authors: SCHMIDT K. , O'NEAL S. , CHAN T. C. , ALEXIS C. P. , URIBE J. M. , LOSSENER K. , GUTIERREZ C. G.
Published: May 2016

The thiazolidine (IIIa), the oxathiolanes (IIIb) ‐ (IIId), and the 1,3‐dithianes (IIIe) and (IIIf), derived from the aldehydes or ketones (I), are cleaved with tributyltin hydride (IV) to form the stannyl sulfides (V), together with the desulfurized derivatives (VI).
ChemInform Abstract: Studies on the Two‐Phase Nitration of Phenols. Part 2.
Authors: THOMPSON M. J. , ZEEGERS P. J.
Published: May 2016

The two‐phase nitrations of various phenols and dihydroxybenzenes are discussed.
ChemInform Abstract: Bornanesultam‐Directed Asymmetric Synthesis of Crystalline, Enantiomerically Pure Syn Aldols.
Authors: OPPOLZER W. , BLAGG J. , RODRIGUEZ I. , WALTHER E.
Published: May 2016

The N‐acylsultams (I) are converted, via aldol reaction with the aldehydes (II), into the diastereomerically pure, crystalline syn aldols (III) or (VI); the absolute configuration of the products is controlled by the choice of the enolate counterion (B → (III), Sn → (VI)).
ChemInform Abstract: Phase Transfer Catalysed Alkylation of 4‐Hydroxycoumarin ‐ Synthesis of α,α‐Disubstituted o‐Hydroxyacetophenones.
Authors: MAJUMDAR K. C. , KHAN A. T. , CHATTOPADHYAY S. K.
Published: May 2016

The title reaction of (I) with active bromides gives O‐alkylated products (cf.
ChemInform Abstract: Self‐Assembly of a Threaded Molecular Loop.
Authors: RAO T. V. S. , LAWRENCE D. S.
Published: May 2016

An efficient synthesis of the title compound (V) is described.
ChemInform Abstract: Synthetically Useful β‐Lithioalkoxides from Reductive Lithiation of Epoxides by Aromatic Radical Anions.
Authors: COHEN T. , JEONG I.‐H. , MUDRYK B. , BHUPATHY M. , AWAD M. M. A.
Published: May 2016

Various oxiranes are subjected to cleavage via reductive lithiation with lithium 4,4'‐di‐tert‐butylbiphenylide.
ChemInform Abstract: Alkyl‐ and Arylsulfenanilides by Cycloelimination of Alkenes from Sulfimides. Part 2. Thermolysis of 3‐Alkylthio‐propionitrile‐ or Methyl 3‐Alkylthio‐propanoate S‐(N‐Aryl)imides.
Authors: FRANEK W. , CLAUS P. K.
Published: May 2016

A series of title compounds such as (III) are prepared by a simple route starting from suitable sulfides (I).
ChemInform Abstract: Synthesis and Biological Activities of trans‐1‐Substituted‐2‐phenoxymethyl‐cyclopropanes.
Authors: TRIPATHI R. C. , SAXENA A. K. , ANAND N.
Published: May 2016

A series of title compounds (22 examples) are prepared and tested for their pharmacological activity.
ChemInform Abstract: Studies on the Synthesis of the Antitumor Agents Esperamicin A1/Calicheamicin γ1: Stereospecific Synthesis of the 12β‐Hydroxybicyclo‐(7.3.1)tridecenediyne Core Structure via a Co2(CO)6‐Acetylene‐Mediated Synclinal Aldol Reaction.
Authors: MAGNUS P. , ANNOURA H. , HARLING J.
Published: May 2016

The enediynal (II), prepared from the trimethylsilylacetylene (I) in five steps, is treated with dicobalt octacarbonyl (III) to give the complex (IV).
ChemInform Abstract: Aromatic Substitution. Part 58. Boron Tris(triflate) Catalyzed Adamantylation of Benzene and Toluene with 1‐ and 2‐Haloadamantanes and Adamantanoyl Chlorides. Isomerization of Phenyl‐ and Tolyladamantanes.
Authors: OLAH G. A. , FAROOQ O. , FARNIA S. M. F. , WU A.‐H.
Published: May 2016

The 1‐haloadamantanes (I) and (VIII) are coupled with toluene (II) or mixtures of (II) and benzene (IX) in the presence of boron triflate to produce mixtures of regioisomeric adamantylarenes.
ChemInform Abstract: Stereoselective Construction of Quaternary Carbons by the Reaction of Aldehydes with Allylic Chromium Reagents Prepared from 1,3‐Diene Monoepoxides and CrCl2.
Authors: FUJIMURA O. , TAKAI K. , UTIMOTO K.
Published: May 2016

The 1,3‐diene monoepoxides (I) are coupled with aldehydes such as (II) in the presence of CrCl2 and LiI to give predominantly the 1,3‐diols (III).
ChemInform Abstract: Facile Synthesis of 1,1′‐Binaphthyl‐2‐carboxylates via Nucleophilic Aromatic Substitution of 1‐Methoxy‐2‐naphthoic Esters by 1‐Naphthyl Grignard Reagents.
Authors: HOTTA H. , SUZUKI T. , MIYANO S.
Published: May 2016

The 1‐naphthyl Grignard compounds (I) are coupled with the 1‐methoxynaphthoates (II) to form the 1,1'‐binaphthyl derivatives (III).
ChemInform Abstract: The Acid Chloride‐Imino Ester Condensation: A Direct Approach to PS‐5 and PS‐6 Intermediates and Related Compounds.
Authors: PALOMO C. , ONTORIA J. M. , ODRIOZOLA J. M. , ALZPURUA J. M. , GANBOA I.
Published: May 2016

Reaction of the acid chlorides (I) and (VI) with the α‐imino carboxylate (II) results in cycloaddition to produce the β‐lactams (III) or a mixture of the diastereomeric β‐lactams (VII) and (VIII).
ChemInform Abstract: 1,3‐Benzodioxole Derivatives as Radioprotective Agents. Part 3. 5‐Hydroxy‐1,3‐benzodioxole Ethers and Their Rearrangement Products.
Authors: DALLACKER F. , HOLSCHBACH M. , KONINGS A. W. T.
Published: May 2016

Allylation of 5‐hydroxy‐1,3‐benzodioxole (I) with bromides such as (II) gives the corresponding allyl ethers, e.g. (III).
ChemInform Abstract: Diheterocyclic Compounds from Dithiocarbamates and Derivatives Thereof. Part 2. 2,2′‐Diamino‐6,6′‐bibenzoazoles.
Authors: GARIN J. , MELENDEZ E. , MERCHAN F. L. , MERINO P. , ORDUNA J. , TEJERO T.
Published: May 2016

The readily available dithiocarbamates (II) and dithiocarbonimidates (IV) afford in one step the title compounds (III) or (V).
ChemInform Abstract: Reaction of N‐(4‐Pyridylmethyl)benzamide N‐Oxides and N‐((α‐Acetoxy)‐4‐pyridylmethyl)benzamides with 1,3‐Diphenyl‐1,3‐propanedione.
Authors: BRANA M. F. , LOPEZ RODRIGUEZ M. L. , CASTELLANO J. M. , FERNANDEZ P. , GARRIDO‐PERTIERRA A.
Published: May 2016

Whereas the reaction of the N‐oxides (I) with the dione (III) in the presence of Ac2O gives the compounds (IV) only in low yield, a better yield of (IV) is obtained by reaction of the acetoxy derivatives (II) derived from (I) with (III).
ChemInform Abstract: Synthesis and Transformations of 2‐Ethoxycarbonyl‐3‐isothiocyanatopyridine. Pyrido(3,2‐d)pyrimidines and Some Azolopyrido(3,2‐d)pyrimidines.
Authors: URLEB U. , STANOVNIK B. , TISLER M.
Published: May 2016

The title compound (I) having an ester group ortho to the isothiocyanate group is prepared by reaction of the 3‐amino analogue with thiophosgene.
ChemInform Abstract: 1‐Hydroxy‐3‐amino‐2‐piperidone (δ‐N‐Hydroxycycloornithine) Derivatives: Key Intermediates for the Synthesis of Hydroxamate‐Based Siderophores.
Authors: KOLASA T. , MILLER M. J.
Published: May 2016

The pyroglutamic acid (I) is N‐protected and then cleaved to give the glutamic acid (III) which is reduced to produce the hydroxynorvaline derivative (IV).
ChemInform Abstract: 5‐Oxo‐1,4‐dihydroindenopyridines: Calcium Modulators with Partial Calcium Agonistic Activity.
Authors: ROSE U.
Published: May 2016

The title compounds (IV), prepared by a one‐pot procedure by Knoevenagel condensation of 1,3‐indandione (I) and the aromatic aldehydes (II) followed by cyclizing Michael addition of methyl β‐aminocrotonate (III), are screened for their pharmacological activity.
ChemInform Abstract: Methodology for the Enantioselective Synthesis of Aldols and Other 1,3‐Dioxygenated Systems.
Authors: IRELAND R. E. , WIPF P. , MILTZ W. , VANASSE B.
Published: May 2016

Coupling of the hydroxymethylfuran (II) with the chiral glycidol ether (S)‐(I), followed by oxidative rearrangement and acetalization, gives stereoselectively the spiro‐fused cyclic enones (VI).
ChemInform Abstract: Synthesis of 4(6)‐tert.‐Butylpyrimidines from 4(6)‐Halopyrimidines by Using Higher‐Order Lithium and Magnesium Organocuprate Reagents.
Authors: EVANS R. F. , SAVAGE G. P. , GOUGH D. A.
Published: May 2016

The mixed higher‐order organocuprate (II), formed by adding of 2 equiv. BuLi to 1 equiv. of CuCN, is used to prepare the 4,6‐di‐tert.‐butylpyrimidines (III) from the readily available iodo‐pyrimidines (I).
ChemInform Abstract: Synthesis and Cardiotonic Activity of Pyrimido(5,4‐b)(1,4)oxazinones and 1,4‐Dioxino(2,3‐d)pyrimidines.
Authors: MATYUS P. , MAKK N. , TEGDES A. , KOSARY J. , KASZTREINER E. , PODANYI B. , RABLOCZKY G. , KUERTHY M. +
Published: May 2016

New pyrimidooxazinones such as (IV), (VI), (IX) and (XI) and the novel ring system contained in (XIV)/(XV) are prepared.
ChemInform Abstract: A New Approach for the Synthesis of Pteridines: The Synthesis of 3‐Substituted‐2‐thioxo‐1,2‐dihydro‐4(3H)‐pteridinones.
Authors: URLEB U. , NEIDLEIN R. , KRAMER W.
Published: May 2016

The title compounds (V) (11 examples) are prepared by condensation of the carboxylate (III) with the amino compounds such as (IV) in EtOH.
ChemInform Abstract: Dithiatopazine and Related Systems. Synthesis, Chemistry, X‐Ray Crystallographic Analysis and Calculations.
Authors: NICOLAOU K. C. , DEFREES S. A. , HWANG C.‐K. , STYLIANIDES N. , CARROLL P. J. , SNYDER J. P.
Published: May 2016

The title compound (II) shows an intriguing chemistry including a number of skeletal rearrangements, S‐S bond ruptures and sulfur‐transfer reactions as shown in the scheme.
ChemInform Abstract: Synthesis of Two Noninterconvertible Conformers of a Single Host. Self‐Filled and Vaulted Cappedophanes.
Authors: VINOD T. K. , HART H.
Published: May 2016

The tetrathiol (I) reacts with the tetrabromide (II) to give either the self‐filled (autophagous) cyclophanes (III) or the vaulted cyclophanes (IV).
ChemInform Abstract: Functionalized Thia‐Crown Ethers. Synthesis, Structure, and Properties.
Authors: BUTER J. , KELLOGG R. M. , VAN BOLHUIS F.
Published: May 2016

Cyclization reaction of the dithiols (I), (IV), and (VI) with the dichloroisobutene (II) is promoted by cesium carbonate to produce the macrocyclic exo‐methylene thioethers (III), (V), and (VII).
ChemInform Abstract: 1,2‐Dehydro‐o‐carborane.
Authors: GINGRICH H. L. , GHOSH T. , HUANG Q. , JONES M. JUN.
Published: May 2016

By mimicking one of the syntheses of benzene, in which an α‐bromo anion is generated, the first example of a dehydro‐o‐carborane is generated.
ChemInform Abstract: 2‐Azidoallylphosphonates: Synthesis and Application to Formation of 4‐Amino‐2‐ethoxy‐1,2‐oxaphosphol‐3‐ene 2‐Oxides.
Authors: ABRAMOVITCH R. A. , KONIECZNY M. , PENNINGTON W. , KANAMATHAREDDY S. , VEDACHALAM M.
Published: May 2016

Treatment of the allenic phosphonates (I) with tetramethylguanidinium azide (II) yields the unstable azidoallylphosphonates (III) which react with triphenylphosphine (IV) in dichloromethane to produce the iminophosphoranes (V).
ChemInform Abstract: Simple and Facile Synthesis of Phosphonium Salts.
Authors: HAMANAKA N. , KOSUGE S. , IGUCHI S.
Published: May 2016

Treatment of the lactones (I), alcohols (VI), or the acetoxyoctadiene (VIII) with triphenylphosphine hydrobromide (II) results in the formation of the (primary alkyl)triphenylphosphonium bromides (III), (VII), or (IX).
ChemInform Abstract: Coordinating Ability of the Heterocycles 1,3‐Dithia‐2‐arsa‐ and ‐stiba‐Cyclopentanes Toward Sulfur Containing Ligands. Part 1. Dialkyl‐dithiocarbamate Complexes.
Authors: CEA‐OLIVARES R. , WINGARTZ J. , RIOS E. , VALDES‐MARTINEZ J.
Published: May 2016

For the first time the heterocyclic compounds (I) are used as starting materials in the synthesis of complexes.
ChemInform Abstract: Synthesis and Structures of Host Molecules Containing an Se‐Se Bond. Intramolecular Hypervalent Nature of Selenium Atoms in the Crystal State.
Authors: TOMODA S. , IWAOKA M.
Published: May 2016

2‐Selenocyanatobenzoyl chloride (I) reacts with diethylene glycol (II) or the tetraoxadiazaoctadecane (V) to produce the selenocyanates (III) and (VI) which are cyclized via the corresponding diselenolates, yielding the macrocyclic bisdiselenide (IV) or the diselenide (VII).
ChemInform Abstract: Preparation, Structure, and Properties of Pseudotetrahedral, D2d Complexes of Cu(II), Ni(II), Co(II), Cu(I), and Zn(II) with the Geometrically Constraining Bidentate Ligand 2,2′‐Bis(2‐imidazolyl)biphenyl. Examination of Electron Self‐Exchange for the Cu(I)/Cu(II) Pair.
Authors: KNAPP S. , KEENAN T. P. , ZHANG X. , FIKAR R. , POTENZA J. A. , SCHUGAR H. J.
Published: May 2016

X‐ray analysis of (VIIa) (Pbcn, Z = 8), (VIIb) (both C2/c, Z=4) and of an analogous Cu(I) complex (C2/c, Z = 8) (obtained from (V) and (Cu(MeCN)4)ClO4 in MeCN) reveals pseudotetrahedral geometry.
ChemInform Abstract: An Unusual Case of Bismethoxymercuration of Diphenylethyne. Molecular Structure of PhC(HgCl)2C(OMe)2Ph.
Authors: BASSETTI M. , BOCELLI G.
Published: May 2016

Diphenylacetylene (I) reacts with mercury(II) acetate (II) and methanol (III) to produce the bis(chloromercurio)dimethoxydiphenylethane (V) upon work‐up with potassium chloride.
ChemInform Abstract: Electrocatalytic Hydroxylation of Alkanes and Identification of a Fluoroiron(V) Porphyrin Intermediate.
Authors: NANTHAKUMAR A. , GOFF H. M.
Published: May 2016

The electrocatalytic hydroxylation of cyclohexane with the anionic complex (I) is described.
ChemInform Abstract: Synthesis of cis and trans Isomers of N,N′‐Dimethyl‐1,2‐ethanediamine Complexes of Nickel(II) Nitrate and Solid‐Phase Thermal cis‐to‐trans Isomeric Transformation.
Authors: KONER S. , GHOSH A. , CHAUDHURI N. R.
Published: May 2016

The deaquated cis‐complex (II) isomerizes exothermally to the trans‐complex (IV) accompanied by an irreversible thermochromic color change from deep blue to pink.
ChemInform Abstract: Selective Formation of Ruthenium(IV) Complexes with a Monooxygen Ligand: trans‐(RuX(O)(py)4)+ (X: Cl, ONO).
Authors: NAGAO H. , NISHIMURA H. , KITANAKA Y. , HOWELL F. S. , MUKAIDA M. , KAKIHANA H.
Published: May 2016

The chemical oxidation reaction of the Ru(II) complexes (I) and (III) depends on the ligand which exists trans to the nitro ligand.
ChemInform Abstract: Ruthenium in Isomeric S4P2 Coordination: Metal Redox and Geometrical Reorganization.
Authors: BAG N. , LAHIRI G. K. , CHAKRAVORTY A.
Published: May 2016

The redox behavior of the dithiocarbonato complexes (Ia) is electrochemically examined.
ChemInform Abstract: Synthesis, Luminescence, and Excited‐State Complexes of the Tris(1,10‐phenanthroline)‐ and Bis(terpyridine)iridium(III) Cations.
Authors: AYALA N. P. , FLYNN C. M. JUN. , SACKSTEDER L. , DEMAS J. N. , DEGRAFF B. A.
Published: May 2016

The emissions of the title complexes are assigned to be predominantly π‐π* phosphorescences.
ChemInform Abstract: Possibility of Asymmetric Hydrosilylation in the Presence of Complexes of Platinum(II) with (+)‐Methyl p‐Tolyl Sulfoxide.
Authors: TROFIMOV A. E. , LOBADYUK V. I. , SKVORTSOV N. K. , SPEVAK V. N. , REIKHSFEL'D V. O.
Published: May 2016

The platinum(II) complexes (III) ‐ (V) with the chiral sulfoxide (II) as a ligand are prepared as shown in the reaction scheme.
ChemInform Abstract: Synthesis of a Highly Functionalized Carbon Ring Skeleton for the Trichothecene Anguidine.
Authors: ZIEGLER F. E. , SOBOLOV S. B.
Published: May 2016

For the preparation of anguidine (I), a highly oxygenated trichothecene isolated from Fusarium equiseti, i.e. the Δ9,10 olefin (II) is needed.
ChemInform Abstract: Formation of Ortho Esters in the Sharpless Asymmetric Epoxidation: Hemisynthesis of Labdanes.
Authors: URONES J. G. , MARCOS I. S. , BASABE P. , SEXMERO M. J. , DIEZ D. , GARRIDO N. M. , PRIETO J. E. S.
Published: May 2016

Treatment of the ester (I) under Sharpless conditions using either (+)‐ or (‐)‐DET leads to formation of the ortho esters (II) or (VII), respectively.
ChemInform Abstract: Claisen‐Based Strategy for the de Novo Construction of Basmane Diterpenes. Enantiospecific Synthesis of (+)‐7,8‐Epoxy‐2‐basmen‐6‐one.
Authors: KANG H.‐J. , PAQUETTE L. A.
Published: May 2016

The title compound (XIII) (space group P212121 with Z=4) is the first member of the basmenone class.
ChemInform Abstract: Steroidal A Ring Aryl Carboxylic Acids: A New Class of Steroid 5α‐Reductase Inhibitors.
Authors: HOLT D. A. , LEVY M. A. , LADD D. L. , OH H.‐J. , ERB J. M. , HEASLIP J. I. , BRANDT M. , METCALF B. W.
Published: May 2016

The 17β‐carbamoylestratriene‐3‐carboxylate (VIII) is prepared from estrone (I) by sequential introduction of carboxylate‐derived moieties at C‐3 and C‐17 using palladium(0) catalyzed carbonyl insertion.
ChemInform Abstract: Microbial Oxidation of Chloroaromatics in the Enantioselective Synthesis of Carbohydrates: L‐Ribonic γ‐Lactone.
Authors: HUDLICKY T. , PRICE J. D.
Published: May 2016

Chlorobenzene (I) is oxidized with Pseudomonas putida to produce the chlorocyclohexadienediol (II) which is converted into the hydroxy lactone (V) by acetalization and ozonolysis.
ChemInform Abstract: Regioselective Synthesis of Inositol Phosphate Diesters via a Cyclic Phosphate Triester Approach.
Authors: SCHULTZ C. , METSCHIES T. , GERLACH B. , STADLER C. , JASTORFF B.
Published: May 2016

Reaction of the 1,4,5,6‐tetra‐O‐benzyl‐myo‐inositol (I) with the benzyl phosphoramidite (II), followed by peracid oxidation and esterification with the alcohols (IV), yields a mixture of the phosphoric acid triesters (V) and (VI) with the former as the main products.
ChemInform Abstract: Branched‐Chain Sugars: Improved Synthetic Approach to 3‐O‐Substituted Derivatives of 5,6‐Dideoxy‐5‐C‐hydroxymethyl‐1,2‐O‐isopropylidene‐α‐D‐xylo‐hept‐5‐enofur# anurono‐7,5′‐lactone and (1R,2R,4R)‐4‐(3‐Furyl)‐1,2‐isopropylidenedioxytetrahydrofuran.
Authors: MARCO‐CONTELLES J. L. , FERNANDEZ C. , MARTIN‐LEON N. , FRASER‐REID B.
Published: May 2016

The 1,2‐diols (I) are oxidized with bromine in dichloromethane to give the keto alcohols (II) which undergo cyclization reaction with the ylid (III) to produce the butenolides (IV).
ChemInform Abstract: Total Synthesis of Both (+)‐Compactin and (+)‐Mevinolin. A General Strategy Based on the Use of a Special Titanium Reagent for Dicarbonyl Coupling.
Authors: CLIVE D. L. J. , MURTHY K. S. K. , WEE A. G. H. , PRASAD J. S. , DA SILVA G. V. J. , MAJEWSKI M. , ANDERSON P. C. , EVANS C. F. , HAUGEN R. D. , HEERZE L. D. , BARRIE J. R.
Published: May 2016

The title fungal metabolites (XV) lower the blood levels of cholesterol in man.
ChemInform Abstract: Simple Synthesis of β‐Selenolactams.
Authors: ISHIHARA H. , YOSHIMI M. , KATO S.
Published: May 2016

Under mild conditions the cis isomers (III) of some title compounds are synthesized in order to test their biological activity.
ChemInform Abstract: The High‐Pressure Transformations of Cerium(III) Orthovanadate(V), CeVO4,
Authors: RANGE K.‐J. , MEISTER H. , KLEMENT U.
Published: May 2016

are investigated in a modified Belt‐type high‐pressure apparatus.
ChemInform Abstract: Crystal Structure and Properties of TlCu6S4.
Authors: BERGER R. , ERIKSSON L.
Published: May 2016

According to single crystal X‐ray data, the title sulfide crystallizes in the tetragonal system (I4/mmm, Z=2) and is the third member of a structural series TlCu2nSn+1, as claimed previously.
ChemInform Abstract: Insertion of 7 Li2O:3 B2O3 Glass into the Polycrystalline 6 Li2SO4:4 Li2CO3 Composite System
Authors: SINGH K. , BHOGA S. S.
Published: May 2016

by the liquid‐phase sintering technique is found to result in a significant increase in the ionic conductivity of the Li2SO4‐Li2CO3 eutectic (by two orders of magnitude at low temp.).
ChemInform Abstract: Electroless Copper Plating in the Presence of Excess Triethanol Amine
Authors: KONDO K. , ISHIKAWA J. , TAKENAKA O. , MATSUBARA T. , IRIE M.
Published: May 2016

(TEA).
ChemInform Abstract: π‐Complexes of p‐Block Elements: Synthesis and Structures of Adducts of Arsenic and Antimony Halides with Alkylated Benzenes.
Authors: SCHMIDBAUR H. , NOWAK R. , STEIGELMANN O. , MUELLER G. +
Published: May 2016

In order to gain further insight into structural and stoichiometric changes occurring with increasing alkylation of the aromatic ring bound to As and Sb halides some new complexes are prepared.
ChemInform Abstract: Bis(pyridyl)‐silane and ‐methanol Ligands. Part 4. Catalytic Application of Nickel(II) Complexes in the Kumada Cross‐Coupling Reaction.
Authors: WRIGHT M. E. , JIN M.‐J.
Published: May 2016

The complexes (III) efficiently catalyze the cross‐coupling reaction of the Grignard reagent (IV) with aryl and vinyl halides.
ChemInform Abstract: New Chiral Auxiliaries: Their Use in the Asymmetric Hydrogenation of β‐Acetamidocrotonates.
Authors: POTIN D. , DUMAS F. , D'ANGELO J.
Published: May 2016

Synthesis of chiral β‐amido esters such as (V) with high diastereomeric excess is achieved by asym.
ChemInform Abstract: Oxygen Exchange as a Function of Racemization in 1‐Phenyl‐1‐ethanol. Kinetic Evidence for Ion‐Dipole Pair Intermediates.
Authors: MERRITT M. V. , BELL S. J. , CHEON H.‐J. , DARLINGTON J. A. , DUGGER T. L. , ELLIOTT N. B. , FAIRBROTHER G. L. , MELENDEZ C. S. , SMITH E. V. , SCHWARTZ P. L.
Published: May 2016

The rate constants for three competing processes at the chiral center in the acid‐catalyzed racemization of both (R)‐ and (S)‐1‐phenylethanol in 18O‐enriched water are determined: oxygen exchange without inversion (5.9 ±0.6), inversion without oxygen exchange (4.1 ±0.2), and oxygen exchange with inversion (7.6 ±0.7, all · 10‐4 M‐1 s‐1.
ChemInform Abstract: Triple Asymmetric Synthesis for Fragment Assembly: Validity of Approximate Multiplicativity of the Three Diastereofacial Selectivities.
Authors: DUPLANTIER A. J. , NANTZ M. H. , ROBERTS J. C. , SHORT R. P. , SOMFAI P. , MASAMUNE S.
Published: May 2016

The aldol reaction of the methyl ketone (I) with the aldehydes (III) or (V) is mediated via enolate formation with the borolanyl triflates (II).
ChemInform Abstract: Chemistry of Mucohalic Acids. Part 4. Reactions of Mucochloric Acid Derivatives with Aniline.
Authors: JAEHNISCH K. + , DUCZEK W.
Published: May 2016

By treatment of aniline (II) with acid derivatives (III) it is shown, that aniline reacts as a hard as well as a soft base.
ChemInform Abstract: π‐Facial Selectivities in Cycloadditions to Norbornyl‐ and Norbornenyl‐Fused p‐Benzoquinones.
Authors: MEHTA G. , PADMA S. , PATTABHI V. , PRAMANIK A. , CHANDRASEKHAR J.
Published: May 2016

Dienes, e.g. (II), (V) and (VIII), preferentially attack the norbornyl compound (Ib) from the top.
ChemInform Abstract: 1,3‐Dipolar Cycloaddition to the C=N‐Fe Fragment. Part 6. Formation of 1,4,3a,6a‐Tetrahydropyrrolo(3,2‐b)pyrrole Through Double Addition of Dimethyl Acetylenedicarboxylate to (1,4‐Diisopropyl‐1,4‐diaza‐1,3‐butadiene)(tert.‐butylisocyanide)dicarbonyliron, Utilizing Both Imine Units of the 1,4‐Diaza‐1,3‐butadiene Ligand.
Authors: DE LANGE P. P. M. , FRUEHAUF H.‐W. + , VAN WIJNKOOP M. , VRIEZE K. , WANG Y. , HEIJDENRIJK D. , STAM C. H.
Published: May 2016

The unprecedented double addition of the electron‐deficient alkyne (II) to (I) demonstrates the strongly enhanced reactivity of (I) as compared to that of a related tricarbonyl‐1,4‐diazabutadieneiron complex.
ChemInform Abstract: Tandem Free‐Radical Alkene Addition Reactions of Acyl Radicals.
Authors: BOGER D. L. , MATHVINK R. J.
Published: May 2016

Acyl radicals generated from phenyl selenoesters serve as productive functionalized free radicals useful in the initiation of a) intramolecular polycyclizations ‐ see the example (I) → (IIIa + b), b) tandem intramolecular cyclization‐intermolecular addition reactions ‐ see the example (V) + (VI) → (VII) + (VIII), and c) tandem intermolecular addition‐intramolecular cyclization reactions ‐ see the examples (IX) + (X) → (XI) + (XII) or (XIII) + (VIa) → (XIV) + (XV).
ChemInform Abstract: Potassium Fluoride on Alumina. A Versatile Reagent for Isomerization of Olefins.
Authors: RADHAKRISHNA A. S. , SURI S. K. , RAO K. R. K. P. , SIVAPRAKASH K. , SINGH B. B.
Published: May 2016

The allylarenes (I) are converted to the corresponding isomeric methylstyrenes (II) by heating in the presence of potassium fluoride on alumina.
ChemInform Abstract: Electron Transfer Photofragmentations of 3‐Phenylpropiophenones.
Authors: BALDOVI M. V. , GARCIA H. , MIRANDA M. A. , PRIMO J.
Published: May 2016

Photolysis of the title compounds (I) in the presence of cat.
ChemInform Abstract: Photolysis of Diaryl Triphenylmethylphosphonates.
Authors: SHI M. , OKAMOTO Y. , TAKAMUKU S.
Published: May 2016

On irradiation the title compounds (I) undergo three types of elimination of two aryl groups to give the different biaryls (II), (III), and (IV).
ChemInform Abstract: Outer‐Sphere Dissociative Electron Transfer to Organic Molecules: A Source of Radicals or Carbanions? Direct and Indirect Electrochemistry of Perfluoroalkyl Bromides and Iodides.
Authors: ANDRIEUX C. P. , GELIS L. , MEDEBIELLE M. , PINSON J. , SAVEANT J.‐M.
Published: May 2016

As an example of the general problem posed in the title, the reduction of CF3Br, CF3I, and CF3‐(CF2)n‐I (n = 5, 7) by outer‐sphere heterogeneous (glassy‐carbon electrodes) and homogeneous (aromatic anion radicals) reagents is investigated, in aprotic solvents containing tetralkylammonium salts, by cyclic voltammetry and preparative‐scale electrolysis.
ChemInform Abstract: Tungstate‐Catalyzed Oxidation of Secondary Amines to Nitrones. α‐Substitution of Secondary Amines via Nitrones.
Authors: MURAHASHI S. , MITSUI H. , SHIOTA T. , TSUDA T. , WATANABE S.
Published: May 2016

Eleven secondary amines such as (I) are oxidized with hydrogen peroxide in the presence of catalytic amounts of sodium tungstate to produce the corresponding nitrones (II).
ChemInform Abstract: The Osmylation of Flexible 3‐Substituted Cyclopentenes.
Authors: POLI G.
Published: May 2016

The 3‐substituted cyclopentenes (I), (IV), (VII), and (X) are cis‐dihydroxylated via osmylation.
ChemInform Abstract: A Stereoselective Synthesis of (2Z,4E)‐Dienoic Acid Involving Masked Functional Groups: n‐Bu4NF‐Induced Ring Opening of α,β‐Unsaturated δ‐Lactone.
Authors: NAKATA T. , HATA N. , OISHI T.
Published: May 2016

Treatment of the unsaturated lactones (I) with tetrabutylammonium fluoride results in ring cleavage, forming the dienoic acids (II).
ChemInform Abstract: Phase‐Transfer Catalytic Alkylation of Hydroperoxides: A Convenient Route to Mixed Dialkyl Peroxides.
Authors: MOULINES J. , BOUGEOIS M.‐J. , CAMPAGNOLE M. , LAMIDEY A.‐M. , MAILLARD B. , MONTAUDON E.
Published: May 2016

Phase‐transfer catalyzed coupling of the primary alkyl or alkenyl bromides (I) with the hydroperoxides (II) or (IV) gives the peroxides (III) and (V) respectively.
ChemInform Abstract: Thioanhydrides. Part 4. Alkoxythiocarbonyl(ethoxycarbonyl)sulfides as Thioacylation Agents.
Authors: MARTIN A. A. , ZEUNER F. , BARNIKOW G.
Published: May 2016

The heteroaromatic amines (I) react with the title esters (II) to give the expected thiourethanes (III), a class of compounds which are otherwise difficult to prepare, in "good" yields.
ChemInform Abstract: Olefins from Crowded Carbonyl Compounds with tert‐Butyllithium (tert‐Butylmagnesium Chloride)/Thionyl Chloride. Study of Carbocationic Reaction Intermediates and Rearrangement‐Cleavage Under Stable Ion Conditions Using 13C NMR Spectroscopy.
Authors: OLAH G. A. , WU A.‐H. , FAROOQ O. , PRAKASH G. K. S.
Published: May 2016

Addition of tert‐butyllithium to the sterically crowded ketones (I) and subsequent treatment with thionyl chloride produce the alkenes (II).
ChemInform Abstract: Transition Metal Promoted Reactions. Part 28. W(CO)6‐Mediated Desulfurdimerization of Dithioketals. Evidence for a Thione Intermediate.
Authors: YEUNG L. L. , YIP Y. C. , LUH T.‐Y.
Published: May 2016

The W(CO)6‐mediated dimerization of thioacetals such as (I) produces the corresponding alkenes, e.g. (II).
ChemInform Abstract: Sterically Crowded Alkenes. Synthesis of 4‐(Di‐tert‐butylmethylene)tetramethyldihydro‐2(3H)‐furanone and Furanols by Ring Expansion of 3‐(Di‐tert‐butylmethylene)tetramethylcyclobutanone.
Authors: GARRATT P. J. , PAYNE D. , TOCHER D. A.
Published: May 2016

The thiadiazoline (III), prepared by cycloaddition of the diazoalkane (I) with the thione (II), is heated in the presence of triphenylphosphine to produce the sterically crowded methylenecyclobutanone (IV).
ChemInform Abstract: The Nicholas Reaction of Indoles. Propargylation of Indoles with (Propargyl)dicobalt Hexacarbonyl Cations.
Authors: NAKAGAWA M. , MA J. , HINO T.
Published: May 2016

Coupling reaction of the indoles (I) and (VII) with the alkynecobalt complexes (II) and (X) followed by demetalation yields the dimethylpropargylindoles (V) and (IX) or the dimethylpropargylhexahydropyrrolo‐(2,3‐b)indole (XII).
ChemInform Abstract: Inter‐ and Intramolecular Acyl Transfer on 1(9)H‐2,3‐Dihydro‐imidazo(1,2‐a)benzimidazoles.
Authors: GRAUBAUM H. , OZEGOWSKI R.
Published: May 2016

The new title compounds are produced as mixtures of the tautomers (IV) and (V).
ChemInform Abstract: Oxidative Cyclization of Acyclic Aryl‐Substituted N‐Vinylurethanes.
Authors: LENZ G. R. , COSTANZA C. , LESSOR R. A. , EZELL E. F.
Published: May 2016

The imines (III), prepared from the acetophenones (I) and benzylamine (II), are converted into the N‐(arylvinyl)urethanes (V) by reaction with the pyrocarbonate (IV).
ChemInform Abstract: Reaction of Triheteroarylphosphines with Organolithium Reagents ‐ Concurrent Ligand Exchange and Ligand Coupling.
Authors: UCHIDA Y. , TAKAYA Y. , OAE S.
Published: May 2016

Treatment of 2‐benzothiazolyllithium (I) with phosphorus trichloride results in the formation of 2,2‐bibenzothiazolyl (II) which is also produced in the reaction of tri(2‐benzothiazolyl)phosphine (III) with phenyllithium (IV).
ChemInform Abstract: The Chemistry of 2′‐Amino Analogues of 2′‐Hydroxychalcone and Its Derivatives.
Authors: DONNELLY J. A. , FARRELL D. F.
Published: May 2016

Acid‐ and base‐catalyzed cyclizations of the aminochalcones (I) produce the quinolones (II).
ChemInform Abstract: The Synthesis of 9‐(1‐Azetidinyl)‐1,2,3,4‐tetrahydroacridine.
Authors: MICHALSON E. T. , D'ANDREA S. , FREEMAN J. P. , SZMUSZKOVICZ J.
Published: May 2016

The chlorotetrahydroacridine (I), prepared from 1,2,3,4‐tetrahydro‐9‐acridinone (X) by treatment with phosphoryl chloride, reacts with 3‐amino‐1‐propanol (II) to give the hydroxypropylaminotetrahydroacridine (III).
ChemInform Abstract: Polarized Ethylene. Part 5. Synthesis of 1‐Substituted Indolizine, Pyrazolo(1,5‐a)pyridine, and Their Related Compounds Using Methoxyethylene Derivatives.
Authors: TOMINAGA Y. , ICHIHARA Y. , MORI T. , KAMIO C. , HOSOMI A.
Published: May 2016

The title compounds, e.g. (III), (V) and (VII), and pyrazolo(1,5‐a)quinolines and ‐(5,1‐a)isoquinolines are synthesized by the procedure described in the scheme.
ChemInform Abstract: Purines. Part 9. Reaction of 9‐Phenyl‐9H‐purine‐2‐carbonitriles with Grignard Reagents.
Authors: TANJI K. , HIGASHINO T.
Published: May 2016

Substitution reaction of the chloro‐9‐phenylpurines (I) and (IV) with potassium cyanide (II) in the presence of a Pd(II)‐catalyst yields the nitriles (III) or (V).
ChemInform Abstract: A Short and Convergent Synthesis of Unsaturated Macrodilactones.
Authors: YVERGNAUX F. , LE FLOC'H Y. , GREE R.
Published: May 2016

The ylids (I) undergo olefination of the aldehydes (II) to give the unsaturated diesters (III).
ChemInform Abstract: A Borate Propeller Compound as a Chiral Catalyst for an Asymmetrically Induced Diels‐Alder Reaction.
Authors: KAUFMANN D. , BOESE R.
Published: May 2016

Treating the chiral binaphthole (I) with H2BBr·SMe2 (II) does not give the expected corresponding dioxaborepine, but the sym. tetradecacyclic diborate (‐)‐(III) is obtained whose structure is confirmed by the X‐ray analysis of the racemic analogue from (R,S)‐(I) and (II) (space group P1, Z=2).
ChemInform Abstract: Bis(N,N‐diisopropylamino)trimethylsiloxyphosphane: A Versatile Phosphite‐Transferring Reagent; Application for Synthesis of P‐Modified Nucleotides.
Authors: DABKOWSKI W. , MICHALSKI J. , WANG Q.
Published: May 2016

The synthesized title phosphane (IV) may be used for transfer of the phosphite group with retention of the siloxy group.
ChemInform Abstract: Cationic Ring Opening of Functionalized Diphosphiranes.
Authors: GOUYGOU M. , TACHON C. , ETEMAD‐MOGHADAM G. , KOENIG M.
Published: May 2016

The diaryldiphosphiranes (I) react with aluminum trichloride (II) to form predominantly the phosphenium‐phosphonium salts (III) which are also obtained from the photolysis products (VI).
ChemInform Abstract: On the Route to Oligocyclopentadienyl Ligands: Synthesis and Primary Reactions of the Two Isomeric Tercyclopentadienyls and Their Transition‐Metal Complexes.
Authors: BOESE R. , MYRABO R. L. , NEWMAN D. A. , VOLLHARDT K. P. C.
Published: May 2016

The isomeric complexes (VIII) and (IX) are obtained in a similar reaction sequence as shown for (V) and (VI).
ChemInform Abstract: Synthesis and Magnetic Properties of Bis(μ‐hydroxo)bis((2,2′‐bipyridyl)copper(II)) Squarate. Crystal Structure of Bis(μ‐hydroxo)bis((2,2′‐bipyridyl)copper(II)) Squarate Tetrahydrate.
Authors: CASTRO I. , FAUS J. , JULVE M. , VERDAGUER M. , MONGE A. , GUTIERREZ‐PUEBLA E.
Published: May 2016

The title compound (space group P1, Z=1) is obtained by reaction of Cu(NO3)2·3 H2O, 2,2'‐bipyridyl, and dipotassium squarate hydrate in aqueous solution and characterized by X‐ray structure analysis as a zig‐zag one‐dimensional chain polymer containing squarato‐O1,O3‐bridged bis(μ‐hydroxo)bis(2,2'‐bipyridyl‐Cu(II)) units.
ChemInform Abstract: Synthesis and Structure of Anellated Carbon Rings Containing a Transition‐Metal as a Bridgehead Atom.
Authors: O'CONNOR J. M. , PU L. , CHADHA R.
Published: May 2016

The reaction of propiolic acid (II) with the cationic metallacycle carbene complex (I) leads to the unexpected new metallacyclic compound (III) (space group Cc, Z=4) which is characterized by X‐ray structure analysis, NMR, MS, and elementar analytic data.
ChemInform Abstract: Transformation of a Platinum Carbonyl into a Platinum Carbene Moiety by Reaction with (η4‐Butadiene)zirconocene.
Authors: ERKER G. , MENJON B.
Published: May 2016

The metallacyclic Fischer‐type carbene complexes (III) are obtained by reaction of the (η4‐butadiene)zirconocene (I) with the cis‐diaryl‐Pt(II) complexes (II).
ChemInform Abstract: β‐Hydroxydithiocinnamic Acid as Ligand. Palladium(II) and Platinum(II) Complexes of 2‐Benzoyl‐1,1‐ethenedithiolate. Crystal Structure Analysis of cis‐((Ph3P)2Pt(S2C=CHC(O)C6H5)).
Authors: WEIGAND W. , BOSL G. , POLBORN K.
Published: May 2016

The synthesized title complexes (III) are characterized by their spectroscopic data (IR, NMR) and by X‐ray structure analysis of (IIIc) (space group P1, Z=2).
ChemInform Abstract: Chiral Sulfur Compounds. Part 11. Diastereoselective Additions of (R)‐(+)‐Methyl p‐Tolyl Sulfoxide Anion to Imines. Asymmetric Synthesis of (R)‐(+)‐Tetrahydropalmatine.
Authors: PYNE S. G. , DIKIC B.
Published: May 2016

The sulfoxides (II) are deprotonated and subsequently coupled with imines such as (I) to produce predominantly the adducts (III).
ChemInform Abstract: Stereoselective Synthesis of a Potential Sex Pheromone of Stenoma cecropia (Lepidoptera).
Authors: RAMIANDRASOA F. , TELLIER F.
Published: May 2016

Octane‐1,8‐diol (I) is converted to the ω‐bromooctyl tert‐butyl ether (IV) which performs carbocupration of acetylene (V) to give the iododecenyl ether (VI) after quenching with iodine.
ChemInform Abstract: Phosphides and Arsenides with the ZrFe4Si2‐Type Structure
Authors: JEITSCHKO W. , TERBUECHTE L. J. + , REINBOLD E. J. , POLLMEIER P. G. , VOMHOF T.
Published: May 2016

(UMn4P2, ScFe4P2, ZrFe4P2, ScNi4As2, ZrNi4As2, and LnNi4As2 (Ln: Y, Gd‐Lu)) are prepared by reaction of the elements (neat or in the presence of fluxes) and their tetragonal structure is refined from single crystal X‐ray data for ScFe4P2 and DyNi4As2 (P42/mnm).
ChemInform Abstract: Electronic Effects of Substitution Chemistry in the KTiOPO4 (I) Structure Field: Structure and Optical Properties of Potassium Vanadyl Phosphate.
Authors: PHILLIPS M. L. F. , HARRISON W. T. A. , GIER T. E. , STUCKY G. D. , KULKARNI G. V. , BURDETT J. K.
Published: May 2016

(I) is a remarkable nonlinear optic (NLO)/electrooptic material whose structure allows the facile substitution of many isovalent ions for K, Ti, and P, which causes sometimes dramatic changes in the NLO properties.
ChemInform Abstract: Optical Properties of Vanadium Ions in Zinc Sulfide.
Authors: SCHULZ H.‐J. , ROUSSOS G. , BIERNACKI S. W.
Published: May 2016

The low‐temp.
ChemInform Abstract: The Standard Enthalpy of Formation of Cs2RuO4.
Authors: CORDFUNKE E. H. P. , KONINGS R. J. M. , OUWELTJES W. , VAN VLAANDEREN P.
Published: May 2016

The title compound is prepared by stepwise heating of mixtures of Cs2O and RuO2 in purified O2 between 525 and 1075 K and is shown to be the only phase in the Cs‐Ru‐O system.
ChemInform Abstract: Electrochemistry and Redox Chemistry of H2OFeIIISiW11O5‐ 39 (I) in the Presence of H2O2 and OH.
Authors: TOTH J. E. , MELTON J. D. , CABELLI D. , BIELSKI B. H. J. , ANSON F. C.
Published: May 2016

The Fe(III) containing heteropolytungstate anion (I) catalyzes the electroreduction of H2O2.
ChemInform Abstract: Kinetics of Electron Transfer Between Dodecatungstocobaltate(III) and Thiosulfate in Weak Acidic Medium
Authors: ALI M. , SAHA S. K. , BANERJEE P.
Published: May 2016

(pH 4.2‐5.2).
ChemInform Abstract: Non‐Metal Redox Kinetics: Reactions of Trichloramine with Ammonia and with Dichloramine.
Authors: YIIN B. S. , MARGERUM D. W.
Published: May 2016

Based on the overall stoichiometry outlined in the scheme, the reaction of NCl3 with excess NH3 in the presence of a base or buffer (B; OH‐, PO43‐, NH3) follows the rate expression ‐d(NCl3)/dt = 2kB(B)(NH3)(NCl3) with kB = 4.46·103 M‐2 s‐1for OH‐, 3.3·103 M‐2 s‐1for PO43‐, and 22 M‐2 s‐1for NH3 (25 °C, μ = 0.50 M).
ChemInform Abstract: Raman Spectroscopic Studies of the Effects of Tin Promotion on a Rhenium/Alumina Dismutation Catalyst.
Authors: WILLIAMS K. P. J. , HARRISON K.
Published: May 2016

The addition of 1 vol.% trimethyltin (TMT) to an activated alumina‐supported rhenium oxide catalyst increases the catalytic activity for the 1‐hexene homodismutation reaction from 28 to 65%.
ChemInform Abstract: Preparation of Dodecamolybdovanadate(V).
Authors: HIMENO S. , SAITO A.
Published: May 2016

The yellow heteropolyanion of (IV), prepared as shown in the scheme (yield given in g) undergoes a four‐electron voltammetric reduction.
ChemInform Abstract: Synthesis and Structural Characterization of Layered Calcium and Lanthanoid Phosphonate Salts.
Authors: CAO G. , LYNCH V. M. , SWINNEA J. S. , MALLOUK T. E.
Published: May 2016

X‐ray structure analysis of the two layered Ca phosphonate salts Ca(O3PMe)·H2O (space group P21/c, Z=4) and Ca(HO3P(CH2)5Me)2 (P1, Z=2), and of the layered trivalent La compound LaH(O3PMe)2 (triclinic, Z=2) are determined and discussed.
ChemInform Abstract: Helical and Nonhelical Palladium(II) Complexes of Oligopyridine Ligands: The Ligand‐Directed Assembly of Polynuclear Complexes.
Authors: CONSTABLE E. C. , ELDER S. M. , HEALY J. , WARD M. D. , TOCHER D. A.
Published: May 2016

The ability of oligopyridines to assemble flexible but nonlabile double‐helical ligand environments with a view to designing photoactive and redoxactive binuclear complexes is investigated.
ChemInform Abstract: Structure of Ethyl 2,4,4,6,6‐Pentachloro‐1,3,5,2λ5,4λ5,6λ5‐triazatriphosphini# ne‐2‐carbamate.
Authors: MEETSMA A. , BUWALDA P. L. , VAN DE GRAMPEL J. C.
Published: May 2016

The title compound crystallizes in the space group Pnnm with Z=4.
ChemInform Abstract: Unusually High Oxidation Half‐Wave Potentials of Di‐ and Trichalcogena(3)ferrocenophanes. The Effect of Chalcogen Atoms in the Bridge.
Authors: USHIJIMA H. , AKIYAMA T. , KAJITANI M. , SHIMIZU K. , AOYAMA M. , MASUDA S. , HARADA Y. , SUGIMORI A.
Published: May 2016

The compounds (I) and (II) show a well‐defined reversible one‐electron oxidation wave in cyclic voltammetry and unusually high oxidation half‐wave potentials which have not be observed either in (3)ferrocenophane or in 1,1'‐bis(methylthio)ferrocene.
ChemInform Abstract: Palladium(0)‐Catalyzed Reactions of 1,4‐Epiperoxides.
Authors: SUZUKI M. , ODA Y. , HAMANAKA N. , NOYORI R.
Published: May 2016

The cyclic peroxides (I), (V), and (IX) undergo Pd(0)‐catalyzed ring cleavage to produce carbonyl compounds and alcohols as shown in the reaction scheme.
ChemInform Abstract: Intramolecular Aromatic Substitution with Bisthiocarbocations. Variations of Lewis Acid, Solvent and Orthothio Substituents.
Authors: GAMAGE S. A. , SMITH R. A. J.
Published: May 2016

The effects of Lewis acid, solvent and orthothio substituent are examined with regard to intramolecular electrophilic aromatic substitution (annulation) with bisthiocarbocations.