bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis and Reactions of Some Biologically Active 2‐(2′‐Thienyl)benzoxazinone and Quinazolinone Derivatives.
Authors: EL‐KHAMRY A. M. A. , EL‐NAGDY S. , HABASHY M. M. , EL‐BASSIOUNY F. A.
Published: May 2016

The anthranilic acid (I) is coupled with the aroyl chloride (II) to give the key intermediate (III) which is cyclized to form the benzoxazinone (IV).
ChemInform Abstract: Chemistry of the S=O Bond. Part 11. trans,trans‐4,6‐Di‐tert.‐butyl‐trans‐5‐methyl‐1,3,2‐dioxathiane 2‐Oxide (III) and cis,cis‐4,6‐Di‐tert.‐butyl‐cis‐5‐methyl‐1,3,2‐dioxathiane 2‐Oxide (IV), Synthesis and Crystal Structure Determination.
Authors: BRACKE B. , LENSTRA A. T. H. , GEISE H. J. , HELLIER D. G.
Published: May 2016

Reduction of dione (I) leads to a diastereoisomeric mixture of diols (II) with no (3R,4S,5S)‐diastereomer formed because reaction of the mixture with SOCl2 leads to (III) (space group Pnam, Z=4), (IV) (P21/c, Z=4) (both resulting from the (3R,4R,5S)‐diol), and (V) which is either a mixture or one of the 2‐oxide isomers (not distinguishable).
ChemInform Abstract: Phthalocyanine Analogues. Part 1. Synthesis, Spectroscopy, and Theoretical Study of 8,18‐Dihydrodibenzo(b,l)‐5,7,8,10,15,17,18,20‐octaazaporphyrin (Ia) and MNDO Calculations on Its Related Hueckel Heteroannulene.
Authors: FERNANDEZ‐LAZARO F. , DE MENDOZA J. , MO O. , RODRIGUEZ‐MORGADE S. , TORRES T. , YANEZ M. , ELGUERO J.
Published: May 2016

In view of the importance of natural products containing porphyrin structures, the related compounds (I) are synthesized.
ChemInform Abstract: π‐Facial Selectivity in Norbornenobenzoquinone‐Tropone Cycloaddition.
Authors: MEHTA G. , KARRA S. R.
Published: May 2016

Cycloaddition of the quinones (I) with tropone (II) yields the products (III) ‐ (V), together with traces of the hydroquinones (VI).
ChemInform Abstract: Five‐Coordinate Potassium Dihydridosilicates: Synthesis and Some Aspects of Their Reactivity.
Authors: BECKER B. , CORRIU R. J. P. , GUERIN C. , HENNER B. , WANG Q.
Published: May 2016

The trialkoxy‐ or triphenoxysilanes (I) react with potassium hydride (II) to form either the pentavalent monohydridosilicates (III) or the pentavalent dihydridosilicates (IV).
ChemInform Abstract: Pentacoordinated Molecules. Part 75. Cyclic Pentaoxysiliconates.
Authors: HOLMES R. R. , DAY R. O. , PAYNE J. S.
Published: May 2016

Pentaoxysiliconates (IV) and (VIII) are prepared by reaction of the silicate (I) with tert‐butoxide (II) in the presence of the crown ether (III) or by reaction of the silicate (V) with the pinacol (VI) in butylamine (VII).
ChemInform Abstract: α‐Hydroxyphosphonates and Their Isomeric Phosphates from Phosphonic Acid Esters and Hexafluoroacetone.
Authors: HEINE J. , ROESCHENTHALER G.‐V. +
Published: May 2016

Coupling of the phosphonates (I) with hexafluoroacetone (II) gives mixtures of the α‐hydroxyphosphonates (III) and the hexafluoroisopropyl phosphates (IV).
ChemInform Abstract: Long Chain 1‐Aminothiaalkylphosphonates, Their Sulfinyl, and Sulfonyl Derivatives. A New Type of Complexane Type Surfactants.
Authors: KUDZIN Z. H. , MOKRZAN J. , SKOWRONSKI R.
Published: May 2016

Reaction of the 3‐(alkylthio)propionaldehydes (I) with the phosphite (II) and the thiourea (III) leads to the formation of the α‐amino‐γ‐sulfenylpropylphosphonic acids (V) after hydrolysis.
ChemInform Abstract: Studies on Phosphonium Ylides. Part 10. The Behaviour of N,N′‐2,5‐Cyclohexadiene‐1,4‐diylidenebis(benzamide) Towards Wittig Reagents.
Authors: BOULOS L. S. , ARSANIOUS M. H. N.
Published: May 2016

The quinone imide (I) reacts with the alkoxycarbonylmethylenephosphorane (II) to prepare the adducts (III), while treatment of (I) with (benzoylmethylene)triphenylphosphorane only results in reduction to give N,N'‐dibenzoyl‐p‐phenylenediamine (IV).
ChemInform Abstract: Reaction of N,N,N′‐Trimethyl‐N′‐halophosphinoethylenediamines with Sodium Tetraphenylborate and Aluminum Chloride. Preparation of Intramolecular Complexes with λ3‐Phosphorus(III).
Authors: BECKER W. , SCHOMBURG D. , SCHMUTZLER R.
Published: May 2016

The intramoleculary‐coordinated phosphine complexes (III) are synthesized by reaction of the phosphines (I) or the phospholidinium salts (IV) with the tetraphenylborate (II).
ChemInform Abstract: Synthesis and Characterization of Benzylindium Compounds.
Authors: BARRON A. R.
Published: May 2016

Physical and spectroscopic properties suggest that the title complexes (III) and (IV) are isostructural to the methyl analogues.
ChemInform Abstract: Heteroleptic Poly(pyrazolyl)borate Derivatives of the Lanthanoid Ions. The Synthesis of Acetylacetonate Complexes and the Molecular Structures of (Ln(HB(C3N2H3)3)2(MeC(O)CHC(O)Me)) (Ln: Ce or Yb).
Authors: MOSS M. A. J. , JONES C. J. , EDWARDS A. J.
Published: May 2016

Air‐ and moisture‐stable complexes of the type (I) (15 examples) are prepared by 1:2:1 molar reaction of LnCl3 6 H2O, potassium hydridotris(pyrazol‐1‐yl)borate and acetylacetone in mildly basic EtOH/H2O solution (yields 86‐97%).
ChemInform Abstract: Synthesis, IR Spectrum, and Crystal Structure of the Amidinato Complex (Na(15‐Crown‐5)) (Ph‐C(NSiMe3)2SnCl3F).
Authors: KILDEA J. D. , HILLER W. , BORGSEN B. , DEHNICKE K.
Published: May 2016

The title complex (IV) crystallizes in P212121 with Z=4.
ChemInform Abstract: Stannylated Phosphines. Part 1. Preparation of (β‐Trimethylstannyl)alkyldiphenylphosphines.
Authors: MITCHELL T. N. , BELT H.‐J.
Published: May 2016

Addition of diphenylphosphine (II) to the vinyltrimethyltin compounds (I) under UV‐irradiation produces the title compounds (III) which are oxidized with KMnO4 to give the corresponding phosphine oxides (IV).
ChemInform Abstract: Arylferrocenyl‐1,3‐butadienes.
Authors: PEREVALOVA E. G. , KLIMOVA E. I. , KRYUCHKOVA V. V. , PUSHIN A. N.
Published: May 2016

Starting with the α,β‐unsaturated ketones (I), the title compounds (V) are prepared via the carbinols (III) and characterized as the adducts (VII) with maleic anhydride (VI).
ChemInform Abstract: Synthesis and Properties of Some New (η6‐Arene)cobalt Complexes.
Authors: BOENNEMANN H. + , GODDARD R. , GRUB J. , MYNOTT R. , RAABE E. , WENDEL S.
Published: May 2016

The preparation of several new types of (η6‐arene)‐Co complexes is described.
ChemInform Abstract: Synthesis of Blocked Sugars Bearing a Terminal 1‐Cyanovinyl Group.
Authors: TRONCHET J. M. J. , ZERELLI S.
Published: May 2016

Various sugar aldehydes such as (I) are coupled with nitromethane (II) to give the nitro sugars such as (III).
ChemInform Abstract: Synthesis of Pseudo‐C‐Nucleosides.
Authors: RAUTER A. P. , FIGUEIREDO J. A. , ISMAEL I. M.
Published: May 2016

Wittig reaction of the hexulofuranuronamide (I) with the phosphorane (II) gives the pseudo‐C‐nucleoside (III) as the minor product besides the E‐acyclic compound (IV).
ChemInform Abstract: Synthesis of Nucleosides and Their Related Compounds. Part 13. Stereospecific Synthesis of Carbocyclic Nucleosides from 2‐Azabicyclo(2.2.1)heptan‐3‐ones via Sodium Borohydride‐Mediated Carbon‐Nitrogen Bond Cleavage.
Authors: KATAGIRI N. , MUTO M. , KANEKO C.
Published: May 2016

Starting with cyclopentadiene (I), a synthesis of carbocyclic nucleosides, e.g. (XI) and (XII), is described as outlined in the reaction scheme.
ChemInform Abstract: PtSi‐Induced Junction Leakage.
Authors: GAMBINO J. P. , MONKOWSKI M. D. , TSANG P. J. , SHEPARD J. F. , RANSOM C. M. , WONG C. Y.
Published: May 2016

The results of current‐voltage measurements for n+‐p diodes with PtSi/polysilicon contacts combined with deep level transient spectroscopy and TEM strongly suggest that Pt or PtSi penetrates the junction thereby causing high reverse leakage currents.
ChemInform Abstract: The Relationship Between the Cu‐O Bond Length and Tc in the Superconducting Series La1.85‐xSr0.15NdxCuO4
Authors: SODERHOLM L. , MINI S. , DABROWSKI B. , CRABTREE G. W. , HINKS D. G. , ALP E. E.
Published: May 2016

(x = 0.1, 0.2, 0.3, 0.4, 0.5) is studied by comparing the lattice constants determined by XRD with the resistivity values determined by four‐probe resistivity measurements.
ChemInform Abstract: Reaction in the System Zr‐Cu‐P.
Authors: LOMNITSKAYA YA. F. , KUZ'MA YU. B.
Published: May 2016

An analysis of the phase diagram of the title system reveals the formation of the novel ternary compound Zr4CuP.
ChemInform Abstract: RbNa5Be8O11,
Authors: SCHULDT D. , HOPPE R.
Published: May 2016

obtained for the first time according to the scheme, crystallizes in the triclinic system, space group P1 with Z=2.
ChemInform Abstract: Synthesis and Characterization of the Dihydrogen Monophosphates M(III)(H2PO4)3·2 H2O (M(III): Al, Sc, V).
Authors: LYUTSKO V. A. , SELEVICH A. F. , ROMANII T. V.
Published: May 2016

The system M2O3‐P2O5‐H2O (M: Al, Sc, V) is investigated.
ChemInform Abstract: A New Perovskite with Deficiencies in the Oxygen Part, Ba4(Na2W2O11).
Authors: HOFFMANN R. , HOPPE R.
Published: May 2016

Single crystals of the title perovskite are obtained as outlined in the scheme (no yields given).
ChemInform Abstract: Novel Phosphides of Rare‐Earth Metals and Cobalt with the Structure of HoCo3P2.
Authors: CHIKHRII S. I. , ORISHCHIN S. V. , KUZ'MA YU. B.
Published: May 2016

The novel ternary phosphides MCo3P2 (M: Y, Ce, Pr, Nd, Sm, Gd) are prepared from the elements.
ChemInform Abstract: An ESR Study of the Formation of Radical Cations in FSO3H/SO2 Solution.
Authors: DAVIES A. G. , SHIELDS C. J.
Published: May 2016

In addition to the anthracenium carbocation the radical cation (I) is formed from anthracene in SO2/FSO3H at 193 K and observed by ESR.
ChemInform Abstract: X=Y‐ZH Compounds as Potential 1,3‐Dipoles. Part 24. Preparation and Thermal Fragmentation of Imidazolidines. Influence of Metal Salts on Pyrrolidine versus Imidazolidine Formation.
Authors: AMORNRAKSA K. , BARR D. , DONEGAN G. , GRIGG R. , RATANANUKUL P. , SRIDHARAN V.
Published: May 2016

The imines derived from the aldehydes (I) and the aminomalonate (II) slowly dimerize to the imidazolidines (III), but cycloaddition to other imines does not occur.
ChemInform Abstract: Measurement of the Absolute Rate of 1,2‐Hydrogen Migration in Benzylchlorocarbene
Authors: JACKSON J. E. , SOUNDARARAJAN N. , WHITE W. , LIU M. T. H. , BONNEAU R. , PLATZ M. S.
Published: May 2016

(II).
ChemInform Abstract: The Selective Trimerization of Ethylene to 1‐Hexene.
Authors: BRIGGS J. R.
Published: May 2016

The trimerization of ethylene (I) is mediated by a catalyst system consisting of chromium(III) 2‐ethylhexanoate, hydrolyzed triisobutylaluminum and dimethoxymethane, yielding 1‐hexene (II) with a selectivity of 74%.
ChemInform Abstract: New Routes to Substituted Tropones.
Authors: ALMEIDA BARBOSA L.‐C. , MANN J. , WILDE P. D. , FINCH M. W.
Published: May 2016

With a view to the anti‐tumor activity of several tropolones the title compounds (II) and (IV) are synthesized via cleavage of the oxabicycles (I).
ChemInform Abstract: Precursors to the Cyclo(n)carbons: (4n + 2)‐ and (4n)Annulenes with Unusual Stabilities.
Authors: RUBIN Y. , DIEDERICH F.
Published: May 2016

Neither (III) can be deprotected without complete destruction; so the bis(ketal) of (IIIa) is deprotected to give (IV).
ChemInform Abstract: Activation and Synthetic Applications of Thiostannanes. Chemical Modification of Hydroxy Function Under Protection.
Authors: SATO T. , TADA T. , OTERA J. , NOZAKI H.
Published: May 2016

Octyl tetrahydropyranyl ether (I) reacts with tributylmethylthiostannane (II) in the presence of BF3·OEt2 to give octyl tributylstannyl ether (III) which is converted to the ethers (V), the esters (VII), and octanal (VIII).
ChemInform Abstract: A Benzoquinone Diimine from the Oxidation of Pentafluoroaniline by Hypochlorite. X‐Ray Crystal Structure and Possible Formation via Pentafluorophenylnitrene.
Authors: DEADMAN J. J. , JARMAN M. , MCCAGUE R. , MCKENNA R. , NEIDLE S.
Published: May 2016

In addition to the decafluoroazobenzene (III) and the phenazine (IV), a dark red solid is observed which is identified as benzoquinone diimine (V) (space group: P1, Z=4).
ChemInform Abstract: Ambident Nucleophilicity of Silver Hyponitrite Toward Organic Halides.
Authors: QUINGA E. M. Y. , BIEKER T. , DZIOBAK M. P. , MENDENHALL G. D.
Published: May 2016

In contrast to the known reaction of bromo(diphenyl)methane (I) with silver hyponitrite (II) in methylene chloride, yielding bis(diphenylmethyl) hyponitrite (III), the chloro analogue (IV) of (I) is treated with (II) in a benzene/hexanes mixture to give the diazene N‐oxide (V).
ChemInform Abstract: Synthesis, Polymerization, and Second Order Nonlinear Optical Properties of Novel, Conjugated, Unsymmetrical Diacetylenes.
Authors: TSIBOUKLIS J. , WERNINCK A. R. , SHAND A. J. , MILBURN G. H. W.
Published: May 2016

Twelve diaryldiacetylenes such as (III) are prepared by Cadiot‐Chodkiewicz coupling of the bromoacetylenes (I) with the acetylenes (II).
ChemInform Abstract: The Effect of Metal Chelate Complexation on the Reactivity and Absorption Spectra of 1,2‐Naphthoquinones: The Synthesis of New Types of Near IR Absorbing Dyes.
Authors: YOSHIDA K. , KOUJIRI T. , OGA N. , ISHIGURO M. , KUBO Y.
Published: May 2016

Coupling of the 1,2‐naphthoquinonesulfonate (I) with various anilines such as (II), (IV), or (VI) is promoted by Ni(II) ions.
ChemInform Abstract: Studies on the Synthesis of Antiulcer Agents. Part 4. Synthesis and Antiulcer Activity of Dihydrobenzofuranone Derivatives.
Authors: KITAZAWA M. , AKAHANE M. , NAKANO Y. , HAYAKAWA K. , SATO K. , KOBAYASHI M.
Published: May 2016

Coupling of the p‐hydroxybenzaldehyde (I) with malonic acid (II) and subsequent esterification give the cinnamate (IV).
ChemInform Abstract: A Synthesis of 4,7‐Dihydro‐1H‐dipyrrolo(3,2‐b:2′,3′‐d)pyrrole and 4,7‐Dihydro‐4H‐thieno(3,2‐b)pyrrolo(2,3‐d)pyrrole Systems.
Authors: ARATANI T. , YOSHIHARA H. , SUZUKAMO G.
Published: May 2016

N‐Methylpyrrole‐2‐carboxaldehyde (Ia) reacts with ethyl azidoacetate (II) to give the azidoacrylate (Ib) which cyclizes on heating to form the pyrrolopyrrole system (III).
ChemInform Abstract: Synthesis, Structure, and Laser Properties of 4‐Trifluoromethyl‐7‐hydroxy‐2‐(cyanoethoxycarbonylmethylene)‐2H‐1‐benzopyran.
Authors: VOZNYI YA. V. , YUFIT D. S. , PAVLOV V. A. , STRUCHKOV YU. T.
Published: May 2016

The trifluoroacetylresorcinol (I) reacts with cyanoacetic ester (II) to give the benzopyran (III) mentioned in the title, together with minor amounts of the coumarin (IV).
ChemInform Abstract: Synthesis of Perhydro‐1,3‐diazine‐2‐thiones from β‐Chloroimines.
Authors: SULMON P. , DE KIMPE N. , SCHAMP N. , DECLERCQ J.‐P.
Published: May 2016

Methanolysis of the β‐chloroimines (I) yields the β‐amino dimethyl acetals (IV) as the main products, together with the enol ethers (Vd) and (Ve) from the aromatic starting materials (Id) and (Ie).
ChemInform Abstract: Synthesis and X‐Ray Analysis of 1,2,4,5‐Trioxazinane.
Authors: MORI M. , SUGIYAMA T. , NOJIMA M. , KUSABAYASHI S. , MCCULLOUGH K. J.
Published: May 2016

Ozonation of a mixture of an appropriate vinyl ether, e.g. (I), and a nitrone such as (II) yields via (3 + 3) cycloaddition of the carbonyloxide intermediates formed (CH2=O+‐O‐ from (I)) the title compounds (III).
ChemInform Abstract: Group 14 Organometallic Reagents. Part 8. Organotin‐Mediated Synthesis of Macrocyclic Tetraesters: Regio‐ and Stereochemistry.
Authors: MORDINI A. , ROELENS S.
Published: May 2016

The optically pure 4‐substituted dioxastannolanes (S)‐(I) are coupled with glutaryl chloride (II) to form the regioisomeric cyclic tetraesters (III) and (IV), together with the acyclic diesters (V).
ChemInform Abstract: Electron Spin Resonance Studies of the Structures and Reactions of Trialkoxysilyl Radicals.
Authors: JOHNSON K. M. , ROBERTS B. P.
Published: May 2016

The formation and structures of the title radicals, obtained from the silanes (RO)3SiH (R: Me, tBu, SiMe3) by hydrogen abstraction using photochemically generated tert.‐butoxyl radicals, are studied in liquid solution by ESR spectroscopy.
ChemInform Abstract: Syntheses of Sodium 2‐(N‐Alkyl‐N‐methylamino)ethyl Phosphates and Their Physicochemical Properties.
Authors: TSUBONE K. , UCHIDA N. , NIWASE H. , HONDA K.
Published: May 2016

The long‐chain alkyl bromides (I) are coupled with the ethanolamine (II) to form the dialkylaminoethanols (III) which are treated with phosphoric acid (IV) to yield the title compounds (V).
ChemInform Abstract: Formation and Stability of Difluoromethylene Phosphoranes, R3P+‐C‐F2.
Authors: RIESEL L. , VOGT H. , KOLLECK V.
Published: May 2016

In the presence of metallic Zn or Cd and carbonyl compounds e.g. (V), the reaction of difluorohalomethanes such as (I) with phosphanes, e.g. (II), leads to formation of geminal difluoroolefins of the type (VI).
ChemInform Abstract: Synthesis of 1‐Aminoalkylphosphinic Acids. Part 2. An Alkylation Approach.
Authors: MCCLEERY P. P. , TUCK B.
Published: May 2016

The aminomethylphosphinic acid derivative (V), protected at the N and P atoms, is prepared according to the scheme.
ChemInform Abstract: (1,3,4)Thiazaphospholidine III.
Authors: FLUCK E. , KUHM P.
Published: May 2016

The phosphanylacetylene (I) reacts with the thiourea (II) to give the phospholidines (III) and (IV).
ChemInform Abstract: New Dialkylamido Complexes of Transition Metals in Group 4 and 5 Stabilized by Terdentate Ligands.
Authors: WILLS A. R. , EDWARDS P. G.
Published: May 2016

Application of a terdentate chelating diaminoamido ligand has enabled the preparation of the new complexes (III), (V), (VII) and (IX).
ChemInform Abstract: Synthesis of Bis‐Silylated Cyclopentadienyl Niobium(IV) and ‐(V) Neutral and Cationic Complexes.
Authors: ANTINOLO A. , FAJARDO M. , JALON F. A. , OTERO A. , PUERTA M. C. , MUGNIER Y.
Published: May 2016

The new Nb(IV) complexes (IIIa) and (IIIb) as well as their bis(trimethylsilyl)cyclopentadienyl analogues are quantitatively synthesized by reaction of corresponding silylated niobocene trihydrides or monohalides such as (I) with ethyl bromide (II) or methyl iodide.
ChemInform Abstract: Characterization of Properties of the Rigid Tridentate Chelate Ligand N,N′‐Bis(diphenylphosphino)‐2,6‐diaminopyridine and N,N‐Bis(diphenylphosphino)‐2‐aminopyridine with Transition Metals of the Chromium Group.
Authors: SCHIRMER W. , FLOERKE U. + , HAUPT H.‐J.
Published: May 2016

The 1:1 molar reaction of the 2,6‐bis(phosphinoamino)pyridine (I) with the hexacarbonyls (II) in the presence of trimethylamine oxide gives the bidentate ligand complexes (III) ((IIIb): space group C2/c, Z = 8) in addition to the trimethylamine complexes (IV).
ChemInform Abstract: Tertiary Phosphine Complexes of Triply Bonded Ditungsten Bis(tert.‐butylamide) Tetrachloride. The X‐Ray Crystal Structures of (W2Cl4(NHtBu)2(PMe3)2), (W2Cl4(NHtBu)2(PEt3)2) and cis‐(W2Cl4(NHtBu)2(PMe2Ph)2).
Authors: BRADLEY D. C. , HURSTHOUSE M. B. , POWELL H. R.
Published: May 2016

The tert.‐butylamine ligands in W2Cl2(NH‐tBu)2(NH2‐tBu)2 are replaced by phosphines in pentane to give the title complexes (Ia) (P21/a, Z=4), (Ib) (Pmmn, Z=2) and (II) (Pna21, Z=4).
ChemInform Abstract: Synthesis and Characterization of Cobalt(III) and Cobalt(IV) Complexes of N‐(2‐Hydroxyphenyl)salicylamide and Homologues.
Authors: KOIKAWA M. , GOTOH M. , OKAWA H. , KIDA S. , KOHZUMA T.
Published: May 2016

Tridentate chelating ligands (I) react with Co acetate in MeOH/H2O (1:1) in the presence of KOH to give uncharacterized substances in the case of (Ia) and Co(III) complexes (II) in the case of (Ib) (one yield given in g).
ChemInform Abstract: Reaction of (Rh2(μ‐1,8‐(NH)2C10H6)(CO)2(PPh3)2) with (M(PPh3))+ (M: Au, Ag, or Cu): Formation of Unusual 44‐Electron Rh2M Clusters. Crystal Structure of (Rh2(μ‐Au(PPh3))(μ‐1,8‐(NH)2C10H6)(CO)2(PPh3)2)ClO4·2 CH2Cl2.
Authors: FERNANDEZ M. J. , MODREGO J. , ORO L. A. , APREDA M.‐C. , CANO F. H. , FOCES‐FOCES C.
Published: May 2016

The title complex (I), obtained in 82% yield, crystallizes in P1 with Z=2.
ChemInform Abstract: Polyethylene‐Bound Soluble Recoverable Palladium(0) Catalysts.
Authors: BERGBREITER D. E. , WEATHERFORD D. A.
Published: May 2016

The polymer‐bound Pd(0) catalyst (VIII), generated as shown in the reaction scheme, is employed in the preparation of the tertiary allylamines (XI) and (XII) from the allylic esters (IX) or the decarboxylation of the allyl carboxylates (XIII), yielding the ketones (XIV) and (XV).
ChemInform Abstract: Cyanine Dyes Derived from 6‐Hydroxy‐2‐methylquinoline.
Authors: IL'CHENKO O. A. , MUSHKALO I. L. , TOLMACHEV A. I.
Published: May 2016

The quinolinium salt (I) is coupled with the formylmethyleneindoline (II) in the presence of acetic anhydride to give the cyanine dye (IV).
ChemInform Abstract: Synthesis of Seryl Threonyl Phosphate. A Model Compound Designed to Study the Spectroscopic and Chemical Features of a Phosphodiester Linkage Similar to the One Proposed to Exist in Azotobacter Flavodoxin.
Authors: DREEF‐TROMP C. M. , ERKELENS C. , VAN DER MAREL G. A. , VAN BOOM J. H.
Published: May 2016

The phosphodiester linkage in the title model compound (V) (yield given in g) is very resistant toward alkaline treatment.
ChemInform Abstract: Epimerization of α‐ to β‐C‐Glucopyranosides Under Mild Basic Conditions.
Authors: ALLEVI P. , ANASTASIA M. , CIUFFREDA P. , FIECCHI A. , SCALA A.
Published: May 2016

Functionalized C‐glycosides represent a basic structural feature of many biologically active natural compounds.
ChemInform Abstract: Alkynylation of Thiolactams. New Synthesis of α‐Substituted Pyrrolidine and Piperidine Alkaloids.
Authors: TAKAHATA H. , TAKAHASHI K. , WANG E.‐C. , YAMAZAKI T.
Published: May 2016

Alkynylation of S‐alkylthioamidium salts (III) of thiolactams (I) with lithium acetylides (IV) followed by LiAlH4 reduction yields α‐alkynylazacycloalkanes (V).
ChemInform Abstract: Synthesis of Diaza‐Anthraquinones by Hetero Diels‐Alder Cycloaddition Reactions.
Authors: GESTO C. , DE LA CUESTA E. , AVENDANO C.
Published: May 2016

With a view to creating diazaquinomicin A analogues the title compounds, e.g. (III) and (VI), are synthesized.
ChemInform Abstract: Neutron Diffraction Study of the Cation Distributions in the Systems Fe7‐xMx(PO4)6 (M: Mn or Co).
Authors: LIGHTFOOT P. , CHEETHAM A. K.
Published: May 2016

Phases in the title solid solutions with M: Mn, x = 2 and M: Co, x = 3 are prepared by reacting stoichiometric mixtures of MnSO4·H2O (CoCl2·6 H2O), FeSO4·7 H2O, and NH4H2PO4 under hydrothermal conditions at 220 °C (48 h) with subsequent low‐temp.
ChemInform Abstract: Phase Relations in the System Na2O‐TiO2‐V2O5‐V2O4 Under Air.
Authors: GOLOVKIN B. G. , VOLKOV V. L. , SHEKHTMAN G. SH.
Published: May 2016

The title system is investigated between 600 and 970 K. A novel compound, Na4V2Ti2O11, is obtained, which has perovskite structure.
ChemInform Abstract: Palladium Electrode in Oxygen‐Saturated Aqueous Solutions. Potential Dependent Adsorption of Oxygen Containing Species and Their Effect on Oxygen Reduction.
Authors: VRACAR LJ. M. , SEPA D. B. , DAMJANOVIC A.
Published: May 2016

The effects of potential and pH on the adsorption of oxygen containing species at Pd electrodes and the influence of this adsorption on the kinetics of the oxygen reduction (OR) reaction, particularly in the low current‐density region with the Tafel slope of ‐60 mV/dec, are investigated.
ChemInform Abstract: An Investigation of Phase Transitions in Rust Layers Using Raman Spectroscopy.
Authors: DUENNWALD J. + , OTTO A.
Published: May 2016

The rusting process of electroplated iron layers on gold substrates in 0.5% SO2 atmosphere with saturated humidity is investigated using in situ Raman spectroscopy.
ChemInform Abstract: Genesis and Characterization by Laser Raman Spectroscopy and High‐Resolution Electron Microscopy of Supported MoS2 Crystallites.
Authors: PAYEN E. , KASZTELAN S. , HOUSSENBAY S. , SZYMANSKI R. , GRIMBLOT J.
Published: May 2016

The intermediates formed during the sulfidation of Mo/Al2O3 based hydrotreating catalysts are studied by in situ laser Raman spectroscopy.
ChemInform Abstract: Reactions of Tin(II) Fluoride with Halogens.
Authors: TUDELA D. , REY F.
Published: May 2016

Oxidative addition of Cl2 and Br2 to SnF2 in MeCN yields the mixed‐halide compounds SnF2Cl2(MeCN)2 and SnF2Br2(MeCN)2.
ChemInform Abstract: Synthesis with Electrochemically Generated Carbenes. Part 5. Some Reactions with Dinitrocarbene.
Authors: NIYAZYMBETOV M. E. , PETROSYAN V. A. , FAINZIL'BERG A. A. , SHEVELEV S. A. , SEMENOV V. V.
Published: May 2016

Electrolysis of dimethylsulfonium dinitromethylide (I) in the presence of the benzenes (II), (IV), or (VII) yields the dinitromethylated arenes (III), (V) and (VI) or (VIII).
ChemInform Abstract: Photochemistry of Pyrimidin‐4‐ones in Aqueous Solution and Reactions of Dewar Pyrimidinones with Water and Hydrogen Sulfide: Isolation of Reversible Hydrates and Thiazines.
Authors: TAKAHASHI T. , HIROKAMI S. , NAGATA M. , YAMAZAKI T. , DATE T.
Published: May 2016

The reversible formation of photoproducts starting from uracil or uridine has already been reported.
ChemInform Abstract: Multiply Charged Isoelectronic Analogues of C3H+ 3: Cyclic or Open Chain?
Authors: WONG M. W. , RADOM L.
Published: May 2016

Structures and stabilities are calculated by ab initio MO for the analogues C2H3N2+, CH3N23+, C2H3O3+, H3N34+, CH3NO4+, and C2H3F4+.
ChemInform Abstract: Homolytic and Heterolytic Scission of Organic Hydroperoxides by (meso‐Tetraphenylporphinato)iron(III) and Its Relation to Olefin Epoxidation.
Authors: LABEQUE R. , MARNETT L. J.
Published: May 2016

The products (II) and (III) are obtained from the hydroperoxide (I) by homolytic cleavage via a common alkoxyl radical.
ChemInform Abstract: Reduction of Aldehyde with Tributyltin Hydride‐HMPA Combined System.
Authors: SHIBATA I. , YOSHIDA T. , BABA A. , MATSUDA H.
Published: May 2016

The aldehydes (I) are reduced with tributyltin hydride in HMPA, yielding the primary alcohols (II).
ChemInform Abstract: Asymmetric Synthesis Catalyzed by Chiral Ferrocenylphosphine‐Transition‐Metal Complexes. Part 8. Palladium‐Catalyzed Asymmetric Allylic Amination.
Authors: HAYASHI T. , YAMAMOTO A. , ITO Y. , NISHIOKA E. , MIURA H. , YANAGI K.
Published: May 2016

Chiral ferrocenylphosphine ligands such as (I), bearing a pendant side chain with a hydroxy group at the terminal position, are designed and used successfully for the palladium‐catalyzed asymmetric allylic amination of allylic substrates such as (III) to give the allylamines (V) in high optical purities.
ChemInform Abstract: Intramolecular Acylation of α‐Sulfinyl Carbanions. A Simple Preparation of 4‐Oxygenated Spiro(4.n)alk‐2‐en‐1‐ones.
Authors: POHMAKOTR M. , POPUANG S. , CHANCHARUNEE S.
Published: May 2016

The cycloalkanecarboxylates (I) are converted to the sulfoxides (III) which are cyclized, forming the spiro compounds (IV).
ChemInform Abstract: Preparation of New Liquid Crystals with a Benzoyloxytropone Core.
Authors: MORI A. , UCHIDA M. , TAKESHITA H.
Published: May 2016

5‐Hydroxytropolone (I) is converted to the alkoxy derivatives (III) which react with the p‐alkoxybenzoyl chlorides (IV), forming the esters (V).
ChemInform Abstract: Asymmetric Reduction of Ketoxime O‐Alkyl Ethers with Sodium Borohydride‐Lewis Acid.
Authors: ITSUNO S. , SAKURAI Y. , SHIMIZU K. , ITO K.
Published: May 2016

Enantioselectivities of up to 95% e.e.
ChemInform Abstract: Convenient Oxidative Cleavage of Ethers by Metallic Nitrates Supported on Silica Gel.
Authors: NISHIGUCHI T. , BOUGAUCHI M.
Published: May 2016

Oxidative cleavage of ethers such as (I) and (III) by silica gel‐supported nitrates yields the corresponding carbonyl compounds (II).
ChemInform Abstract: Cathodic Acylation of 1,2‐Acenaphthenedione.
Authors: GUIRADO A. , BARBA F. , HURSTHOUSE M. B. , ARCAS A.
Published: May 2016

Electrolysis of 1,2‐acenaphthenedione (I) in the presence of the aroyl chlorides (II) yields the bis(aroyloxy)acenaphthylenes (III), whereas electrolysis of (I) in the presence of acetic anhydride (IV) gives the meso‐dimer (V).
ChemInform Abstract: Synthesis of the K‐Region Monofluoro‐ and Difluorobenzo(c)phenanthrenes.
Authors: MIRSADEGHI S. , PRASAD G. K. B. , WHITTAKER N. , THAKKER D. R.
Published: May 2016

The authors describe two synthetic routes to fluorinated benzo(c)phenanthrenes.
ChemInform Abstract: Regioselective Electrophilic Additions to 2‐Oxygenated‐7‐oxabicyclo(2.2.1)hept‐5‐enes: A Simple Entry into the 4,7‐Dioxatricyclo(3.2.1.03,6)octane Skeleton.
Authors: ARJONA O. , FERNANDEZ DE LA PRADILLA R. , PLUMET J. , VISO A.
Published: May 2016

The regio‐ and stereoselectivity of the reaction between Ph‐S‐Cl (IIa) or Ph‐Se‐Cl (IIb) and a number of 7‐oxabicyclo(2.2.1)hept‐5‐enes bearing an oxygenated substituent on C‐2 is discussed.
ChemInform Abstract: Radical Additions in Aqueous Medium: Direct Synthesis of 5‐Allyl‐Substituted γ‐Lactones from Allylic Bromides/Zinc and Methyl γ‐Oxocarboxylates.
Authors: KUNZ T. , REISSIG H.‐U.
Published: May 2016

Following a procedure published by Luche, the title lactones (III) are prepared from the oxocarboxylates (I) and the allyl bromides (II) with zinc dust in aqueous medium.
ChemInform Abstract: A Subtotal Synthesis of Methynolide via an Electrophilic Spirocyclization Reaction.
Authors: BARTLETT P. A. , MORI I. , BOSE J. A.
Published: May 2016

The authors describe a four‐step synthesis of the racemic spirocyclic system (VII).
ChemInform Abstract: Synthesis of Binucleating Catechol Ligands.
Authors: GOJON E. , DUBOURDEAUX P. , GON N. , LATOUR J. M.
Published: May 2016

The key step in the synthesis of the target compounds, e.g. (VIIIb) or (XIIb), is the Claisen rearrangement of 2,3‐di(allyloxy)naphthalene (III), followed by etherification and ozonolysis.
ChemInform Abstract: Synthesis of Isoquinolinones by the Photochemical Cyclization of 2‐Azabuta‐1,3‐dienes in the Presence of Acids.
Authors: ARMESTO D. , GALLEGO M. G. , ORTIZ M. J. , ROMANO S. , HORSPOOL W. M.
Published: May 2016

Photocyclization of azabutadiones such as (I), (IV) or (VII) in the presence of perchloric acid or BF3·Et2O gives rise to novel isoquinolinones such as (II), (V), or (VIII).
ChemInform Abstract: Synthesis, Antinociceptive Activity and Opioid Receptor Profiles of trans‐3‐(Octahydro‐2H‐pyrano(2,3‐c)pyridin‐4a‐yl)phenols and trans‐3‐(Octahydro‐1H‐pyrano(3,4‐c)pyridin‐4a‐yl)phenols.
Authors: BAYS D. E. , BROWN D. S. , LLOYD J. E. , MCELROY A. B. , SCOPES D. I. C. , BIRCH P. J. , HAYES A. G. , SHEEHAN M. J.
Published: May 2016

The octahydropyranopyridine derivative (VIIa) is synthesized starting from the readily prepared compound (I) as shown; the analogues (VIIb) are similarly obtained.
ChemInform Abstract: Synthesis of 6‐Substituted 7H‐Pyrido(4,3‐c)carbazoles.
Authors: MODI S. P. , ZAYED A.‐H. , ARCHER S.
Published: May 2016

The indole derivative (I) is converted to the olefin (III) by a modified Wittig reaction.
ChemInform Abstract: Synthesis of 1,5‐Diaryl‐3‐methyl‐1H‐pyrazolo(4,5‐c)isoquinolines and Studies of Binding to Specific Peripheral Benzodiazepine Binding Sites.
Authors: CECCHI L. , COLOTTA V. , MELANI F. , PALAZZINO G. , FILACCHIONI G. , MARTINI C. , GIANNACCINI G. , LUCACCHINI A.
Published: May 2016

The isonitroso(benzoyl)acetone (I) reacts with the arylhydrazines (II) to form the nitrosopyrazoles (III) which are reduced and subsequently aroylated to give the amides (V).
ChemInform Abstract: Intramolecular Alkylation of Aromatic Compounds. Part 25. Synthesis of Hexahydro‐7H‐naphtho(1,8‐fg)quinolines and ‐isoquinolines.
Authors: REIMANN E. , HARGASSER E.
Published: May 2016

The pyridyl ketones (IV) and (X), prepared as outlined in the reaction scheme, are subjected to Wolff‐Kishner reduction to give the pyridines (V) and (XI).
ChemInform Abstract: Reactions of Uracils. Part 16. Substituted 6‐Vinyl‐2,4(1H,3H)‐pyrimidinediones in Cycloaddition and Michael‐Type Reactions: Pyrido(2,3‐d)pyrimidines, Pyrrolo(3,4‐c)pyridines, and Quinazolines.
Authors: WALSH E. B. , WAMHOFF H.
Published: May 2016

A new synthetic route to the title compounds, which are of interest because of the broad spectrum of biological activities of fused heterocycles, is developed on the basis of (4 + 2) cycloaddition reactions.
ChemInform Abstract: Bridged Derivatives of 2,2′‐Biimidazole.
Authors: THUMMEL R. P. , GOULLE V. , CHEN B.
Published: May 2016

Reaction of the biimidazole (I) with the α,ω‐dibromides (II) produces the N,N'‐bridged derivatives (III) which are treated with a second equivalent of the dibromide (IIb) or (IIc) to give the bisanellated biimidazolium bromides (IV).
ChemInform Abstract: Host‐Guest Complexation. Part 50. Potassium and Sodium Ion‐Selective Chromogenic Ionophores.
Authors: HELGESON R. C. , CZECH B. P. , CHAPOTEAU E. , GEBAUER C. R. , KUMAR A. , CRAM D. J.
Published: May 2016

The development of the chromogenic indicator systems (I) and (II) for commercial use as Na+ and K+ assays in serum and other solutions is described.
ChemInform Abstract: Novel Method for the Preparation of Triethylsilyl Peroxides from Olefins by the Reaction with Molecular Oxygen and Triethylsilane Catalyzed by Bis(1,3‐diketonato)cobalt(II).
Authors: ISAYAMA S. , MUKAIYAMA T.
Published: May 2016

The olefins (I) and (IV) are treated with triethylsilane (II) in the presence of oxygen and cobalt bisdiketonates to form the triethylsilyl peroxides (III) or (V).
ChemInform Abstract: Photolysis of 1,1,2,2‐Tetramethyl‐1,2‐bis(2′‐thienyl)disilane.
Authors: HU S.‐S. , WEBER W. P.
Published: May 2016

2‐Chlorothiophene (I) is converted to the Grignard reagent (III) and then coupled with 1,2‐dichloro‐1,1,2,2‐tetramethyldisilane (IV) to give 1,1,2,2‐tetramethyl‐1,2‐bis(2'‐thienyl)disilane (V).
ChemInform Abstract: Optically Active Silyl Esters of Phosphorus. Part 2. Stereochemistry of Reactions with Nucleophiles.
Authors: WOZNIAK L. , CYPRYK M. , CHOJNOWSKI J. , LANNEAU G.
Published: May 2016

The stereochemistry of reactions of various nucleophiles (10 examples) with optically active silyl esters of the type (I) and (II) is studied.
ChemInform Abstract: Phosphoric Amides. Part 10. Base‐Promoted Cyclization of Phosphoric Triamides Bearing the N‐(2‐Chloroethyl) Substituent, and the Interconversion of Cyclic Products.
Authors: BAUERMEISTER S. , MODRO A. M. , MODRO T. A.
Published: May 2016

The N‐(2‐chloroethyl)‐N',N''‐diarylphosphoric triamides (I) undergo base‐induced phase‐transfer‐catalyzed cyclization, forming the N‐phosphorylaziridines (II), together with the diazaphospholidines (III).
ChemInform Abstract: Selenium Coronands: Synthesis and Conformational Analysis.
Authors: BATCHELOR R. J. , EINSTEIN F. W. B. , GAY I. D. , GU J.‐H. , JOHNSTON B. D. , PINTO B. M.
Published: May 2016

The novel Se coronands (IIIa) (space group P21/c, Z = 8) and (IVa) (P21/c, Z=4), (IIIb) and (IVb), (VI) and (VII) (P1, Z=1) as well as (X) (P21/c, Z=2) are synthesized according to the scheme and characterized by X‐ray structure analysis and conformational analysis.
ChemInform Abstract: Phenyltin Trichloroacetate Complexes: Preparations and Structures.
Authors: ALCOCK N. W. , ROE S. M.
Published: May 2016

The title complexes are investigated by X‐ray diffraction.
ChemInform Abstract: Heptacoordinated Halogeno and Cyanocarbonyl Complexes of Niobium(I): Preparation and Spectroscopic Characterization. X‐Ray Structure of cis‐(ClNb(CO)2(Ph2PCH2CH2PPh2)2).
Authors: FELTEN C. , RICHTER J. , PRIEBSCH W. , REHDER D.
Published: May 2016

The Nb(I) complexes of the type (I), (II) (space group P1, Z=1), and (III) are prepared by reaction of phosphine‐stabilized hydridocarbonyl‐Nb complexes and HCl, from (NEt4)(Nb(CO)6), the P ligand and I2, ICN, Br2, or NbCl5, or directly via NbCl4 in the presence of the P ligand and CO under reducing conditions (yields 36‐79%).
ChemInform Abstract: Construction of Quaternary Carbon Centers Using Organomolybdenum Chemistry.
Authors: PEARSON A. J. , KHETANI V. D.
Published: May 2016

Two approaches are described for the construction of quaternary carbon centers using organo‐molybdenum complexes.
ChemInform Abstract: Substitution Reactions of the Zerovalent Iron Complexes (Fe(η‐C6H6)(PMe3)2) and (Fe(η‐C6H6)(dmpe)) (dmpe: Me2PCH2CH2PMe2).
Authors: HOWARTH L. , WONG L.‐L.
Published: May 2016

The reactions of the title compounds (II) and (XII) are compared.
ChemInform Abstract: Heptadecanuclear Mixed Metal Iron Oxo‐Hydroxo Complexes, (Fe16MO10(OH)10(O2CPh)20), M: Mn or Co, Structurally Comprised of Two Fragments Derived from (Fe11O6(OH)6(O2CPh)15).
Authors: MICKLITZ W. , LIPPARD S. J.
Published: May 2016

The two title compounds, which are crystallizing in the space group P1 with Z=1, are obtained in 8‐12% yield by addition of MnCl2·4 H2O or CoCl2·6 H2O to a slurry of basic iron(III) benzoate in MeCN/H2O (4:1) at 80 °C. The metals in these compounds are bridged by four types of oxo and hydroxo ligands, μ4‐O, planar μ3‐O, and μ2‐ and μ3‐OH.
ChemInform Abstract: Synthesis, Characterization, and Magnetic Properties of μ‐Oxalatoand μ‐Oxamido‐Bridged Copper(II) Dimers. Crystal and Molecular Structures of (Cu2(mepirizole)2(C2O4)(H2O)2)(PF6)2·mepirizole·3 H2O and (Cu2(mepirizole)2(C2O4)(NO3)2(H2O))2(Cu2(mepirizole)2(C2O4)(NO3)2).
Authors: SOTO L. , GARCIA J. , ESCRIVA E. , LEGROS J.‐P. , TUCHAGUES J.‐P. , DAHAN F. , FUERTES A.
Published: May 2016

The four complexes (I)‐(III) are synthesized from Cu(II) nitrate, the neutral bidentate N1N2‐ligand, and sodium oxalate or oxamide in appropriate ratios in aqueous solution.
ChemInform Abstract: Synthesis of the Cluster Dianion (Os11C(CO)27)2‐ by Pyrolysis and Its Reactions with Electrophiles; X‐Ray Structure Analysis of the Mixed‐Metal Derivative (PMePh3)(Os11C(CO)27(Cu(NCMe)))·CH2Cl2 and the Hydrido Derivative (PMePh3)(Os11C(CO)27H).
Authors: DRAKE S. R. , JOHNSON B. F. G. , LEWIS J. , NELSON W. W. J. H. , VARGAS M. D. , ADATIA T. , BRAGA D. , HENRICK K. , MCPARTLIN M. , SIRONI A.
Published: May 2016

Details of the discovery of the largest Os cluster, (III), obtained in the pyrolysis of (I), and an extensive study of its reactions are reported.
ChemInform Abstract: Synthesis and Metal‐Dependent Condensation Reactions of M(CO)4(η2‐HCCH) (M: Ru, Os): Formation of Diosmacyclobutene and Heterodimetallacyclopentenones.
Authors: BURN M. J. , KIEL G.‐Y. , SEILS F. , TAKATS J. , WASHINGTON J.
Published: May 2016

The coordinatively saturated compounds (III), prepared quantitatively by photolysis, are unexpectedly reactive.
ChemInform Abstract: Glycoconjugates of Opioid Peptides. Part 3. A Novel Regioselective Synthesis of 6‐O‐Peptidyl‐D‐glycopyranoses Using Unprotected Sugars.
Authors: HORVAT S. , HORVAT J. , KANTOCI D. , VARGA L.
Published: May 2016

The primary hydroxyl group of free glucose (I) is esterified with the activated peptide ester (II) in the presence of imidazole to yield exclusively the 6‐O‐peptidyl‐D‐glucopyranose (IIIa).
ChemInform Abstract: Glycosylation of Unreactive Substrates.
Authors: KAHNE D. , WALKER S. , CHENG Y. , VAN ENGEN D.
Published: May 2016

The deoxycholic acid derivative (II), the acetamide (VI) and some sterically hindered phenols are successfully glycosilated by the sulfoxides (I) or (IV).
ChemInform Abstract: Microbial Asymmetric Oxidation of 2‐Alkoxyethyl Sulfides and a Facile Synthesis of Chiral Vinyl Sulfoxide.
Authors: OHTA H. , MATSUMOTO S. , OKAMOTO Y. , SUGAI T.
Published: May 2016

The 2‐alkoxyethyl sulfides (I) are oxidized in a seed culture of Rhodococcus equi IFO 3730 to produce the chiral sulfoxides (II), together with the sulfones (III).
ChemInform Abstract: Magic Angle Spinning 17O NMR of Aluminum Oxides and Hydroxides.
Authors: WALTER T. H. , OLDFIELD E.
Published: May 2016

The results of MAS 17O NMR spectra of the 17O‐labeled, well defined phases α‐Al2O3, boehmite (AlO(OH)), and bayerite (Al(OH)3) are used to interpret the spectra of the more ill‐defined transition aluminas, including γ‐, η‐, δ‐, and ϑ‐Al2O3.
ChemInform Abstract: Synthesis of High‐Purity Zirconium Fluoride for Fluoride Glass Fibers by Chemical Vapor Deposition.
Authors: FUJIURA K. , OHISHI Y. , SAKAGUCHI S. , TERUNUMA Y.
Published: May 2016

Ultra‐high‐purity ZrF4 is prepared by chemical vapor deposition using the reaction of in situ prepared ZrBr4 with a HF/Ar stream at 800 °C. The sublimation of ZrBr4 causes a high degree of purification.
ChemInform Abstract: N‐Cesiocarbazole·PMDTA and N‐Potassiocarbazole·PMDTA (PMDTA: N,N,N′,N′′,N′′‐Pentamethyldiethylenetriamine). Cation Size and Multihapto Bonding.
Authors: GREGORY K. , BREMER M. , VON RAGUE SCHLEYER P. , KLUSENER P. A. A. , BRANDSMA L.
Published: May 2016

The solid state structures of the title complexes (preparation in 44 and 64% yield described) are investigated.
ChemInform Abstract: The Preferential Migration Tendency of the Alkoxyamide Group in the Dienone‐Phenol Rearrangement.
Authors: KIKUGAWA Y. , KITAMURA T. , KAWASE M.
Published: May 2016

Treatment of the spirocyclohexadienones (I), (V), and (VIII) with acetic anhydride (II) in the presence of (Lewis) acids yields benzo‐fused N‐heterocycles as shown in the reaction scheme.
ChemInform Abstract: An Evaluation of .sigma±sigma.* and Torsional Effects in the Osmylation and Epoxidation of 4‐tert.‐Butylmethylenecyclohexane Derivatives.
Authors: VEDEJS E. , DENT W. H. III
Published: May 2016

The epoxidation and osmylation of the tert.‐butylmethylenecyclohexane derivatives (I) are studied to determine whether selectivity patterns will reveal σ,σ* interactions and torsional effects within a family of related substances.
ChemInform Abstract: Functionalization of Saturated Hydrocarbons. Part 14. Further Studies on the Mechanism of Gif‐Type Systems.
Authors: BARTON D. H. R. , HALLEY F. , OZBALIK N. , SCHMITT M. , YOUNG E. , BALAVOINE G.
Published: May 2016

The photolysis of the acyl derivatives (I) in Py‐AcOH is examined to study the partitioning of sec. radicals between oxygen, pyridine, and the thione functions (results are given in the scheme only for (Ia) as an example).
ChemInform Abstract: Nitroarene Products from the Gas‐Phase Reactions of Volatile Polycyclic Aromatic Hydrocarbons with the OH Radical and N2O5.
Authors: AREY J. , ZIELINSKA B. , ATKINSON R. , ASCHMANN S. M.
Published: May 2016

The formation of nitro derivatives derived from acenaphthene, acenaphthylene, phenanthrene, and anthracene‐d10 is studied in gas phases containing OH radicals (in the presence of NOx) or N2O5 as reactive species.
ChemInform Abstract: Homolytic Decarboxylation of Glutamate Analogues.
Authors: VIDAL‐CROS A. , BORY S. , GAUDRY M. , MARQUET A.
Published: May 2016

The decarboxylation of the glutamate analogues (I) or (V) is performed under conditions according to Barton.
ChemInform Abstract: Condensation of Reformatsky Reagents with Acetals in the Presence of TiCl4: A Novel Entry to Enantiomerically‐Enriched β‐Hydroxy Esters.
Authors: BASILE T. , TAGLIAVINI E. , TROMBINI C. , UMANI‐RONCHI A.
Published: May 2016

The acetals (I) and (IV) react with ethyl bromozincacetate (II) in the presence of TiCl4 to give the β‐alkoxy esters (III) or (V) and (VI).
ChemInform Abstract: Cyclopentadienylideneethenone: Pyrolytic Generation and Argon Matrix IR Spectroscopic Study.
Authors: BROWN R. F. C. , BROWNE N. R. , COULSTON K. J. , EASTWOOD F. W. , IRVINE M. J. , PULLIN A. D. E. , WIERSUM U. E.
Published: May 2016

In the flash pyrolysis of (I) and (III) the formation of the title compound (II) is observed (IR) as the main process, which is accompanied by the loss of TFA and cyclopentadiene or ethene, respectively.
ChemInform Abstract: Partially Fluorinated Heterocyclic Compounds. Part 26. An Investigation into the Mode of Cyclization in the Reaction of Lithium 1,3,4,5,6,7,8‐Heptafluoro‐2‐naphthalenethiolate with Dimethyl Acetylenedicarboxylate.
Authors: BROOKE G. M.
Published: May 2016

Lithiation of the naphthalenethiol (III) and treatment with dimethyl acetylenedicarboxylate (VI) yield the cyclization product (VII), together with a minor amount of the regioisomer (VIII).
ChemInform Abstract: Synthesis of Oxadiazolyl‐, Thiadiazolyl‐ and Triazolylindoles and Indolylthiazolidinones.
Authors: HIREMATH S. P. , SONAR V. N. , SEKHAR K. R. , PUROHIT M. G.
Published: May 2016

Fourteen compounds of type (III) are prepared and transformed to the heterocyclic systems (IV)‐(VI).
ChemInform Abstract: Electrophilic Addition of Phenols to 1‐Vinyl‐4,5,6,7‐tetrahydroindole.
Authors: MARKOVA M. V. , MIKHALEVA A. I. , SIGALOV M. V. , MOROZOVA L. V. , ALIEV I. A. , TROFIMOV B. A.
Published: May 2016

The vinyltetrahydroindole (I) is coupled with equimolar amounts of the phenols (II) in the absence of a catalyst to give the phenoxyethyltetrahydroindoles (III).
ChemInform Abstract: Rotationally‐Restricted Mimics of Rigid Molecules: Nonspirocyclic Hydantoin Aldose Reductase Inhibitors.
Authors: RIZZI J. P. , SCHNUR R. C. , HUTSON N. J. , KRAUS K. G. , KELBAUGH P. R.
Published: May 2016

5‐Chlorothiosalicylic acid (I) is reduced, forming the benzyl alcohol (II).
ChemInform Abstract: A Removable Auxiliary for Amidomercuration Reactions: The Stereocontrolled Preparation of Vicinal Amino Alcohols.
Authors: TAKACS J. M. , HELLE M. A. , YANG L.
Published: May 2016

The O‐allylic amidals (I) are cyclized in the presence of mercury(II) acetate to give the oxazolidines (II).
ChemInform Abstract: Heterocyclic Systems Containing Bridgehead Nitrogen Atom: Syntheses of Thiazolo(3,2‐a)benzimidazol‐3(2H)‐ones and Thiazolo(3,2‐a)benzimidazoles.
Authors: MOHAN J. , ANJANEYULU G. S. R.
Published: May 2016

The synthesis of the title compounds (III) and (VII) is undertaken in order to study the influence of the iodine atom on cyclization.
ChemInform Abstract: 2(1H)‐Quinolinones with Cardiac Stimulant Activity. Part 3. Synthesis and Biological Properties of 6‐Imidazol‐1‐yl Derivatives.
Authors: BELL A. S. , CAMPBELL S. F. , MORRIS D. S. , ROBERTS D. A. , STEFANIAK M. H.
Published: May 2016

Twenty‐three substituted imidazoylquinolinones such as (II), (IV), (VI) ‐ (VIII), (X), (XII), (XIV), and (XVI) are prepared as outlined in the reaction scheme.
ChemInform Abstract: Phencyclidine‐Like Effects of Tetrahydroisoquinolines and Related Compounds.
Authors: GRAY N. M. , CHENG B. K. , MICK S. J. , LAIR C. M. , CONTRERAS P. C.
Published: May 2016

Coupling of 2‐phenylethylamine (I) with benzoyl chloride (II) gives the corresponding amide.
ChemInform Abstract: Synthesis and Alkylation of 9‐Ethoxy‐1H‐pyrrolo(3,2‐b)quinoline.
Authors: DAVYDOVA N. K. , SOLOV'EVA N. P. , CHISTYAKOV V. V. , MARCHENKO N. B. , GLUSHKOV R. G.
Published: May 2016

Hydrogenation of the nitroquinoline (I) gives the pyrroloquinoline (II) as the result of an intermolecular cyclization.
ChemInform Abstract: A Novel Synthesis of Purine and Deazapurine Derivatives from 5‐Aminoimidazoles.
Authors: AL‐SHAAR A. H. , GILMOUR D. W. , LYTHGOE D. J. , MCCLENAGHAN I. , RAMSDEN C. A.
Published: May 2016

Catalytic hydrogenation of the 5‐nitroimidazoles (I) yields the 5‐aminoimidazoles (II) which are coupled with ethoxymethylenemalononitrile (III) or ethoxymethyleneurethane (VI) to give the dicyanovinylimidazoles (IV) or the formamidines (VII).
ChemInform Abstract: Purine Nucleoside Analogues. Part 4. 7‐Alkyl Derivatives of 9‐(2‐Hydroxyethoxymethyl)guanine.
Authors: MADRE M. A. , ZHUK R. A. , LIDAK M. YU.
Published: May 2016

Alkylation of the guanine (I) gives the 7‐alkyl (III) or the 7,9‐dialkyl derivatives (V) depending on the alkylating agent used and the reaction conditions.
ChemInform Abstract: 1‐(2‐Aminoethyl)‐6‐aryl‐4H‐(1,2,4)triazolo(4,3‐a)(1,4)benzodiazepines with Diuretic and Natriuretic Activity.
Authors: HESTER J. B. , LUDENS J. H. , EMMERT D. E. , WEST B. E.
Published: May 2016

Various triazolo(1,4)benzodiazepines such as (III) are synthesized by the method presented in the reaction scheme.
ChemInform Abstract: Preparation of Thionylimide Complexes of Titanium, Zirconium, and Hafnium. Crystal Structure of (Zr(cp)(η‐C5Me5)(NSO)2).
Authors: PLENIO H. , ROESKY H. W. , EDELMANN F. T. , NOLTEMEYER M.
Published: May 2016

The use of KNSO as NSO transfer reagent leads to formation of the compounds (III) and (V) from the corresponding metal halides; (X) with three NSO ligands is obtained from (VIII) and (IX).
ChemInform Abstract: 2‐Heteroatom‐1,3‐diazoles and Quinoxaline as Bridging π Acceptor Ligands for Metal Fragments M(CO)5 (M: Cr, Mo, W). Synthesis, Electrochemistry, Absorption and Emission Spectroscopy.
Authors: KAIM W. , KOHLMANN S. , LEES A. J. , ZULU M.
Published: May 2016

The mono‐ and binuclear complexes (III) and (IVa) are synthesized as shown for the mononuclear ones and studied by cyclic voltammetry, UV/VIS absorption and emission spectroscopy.