bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Imide‐Amide Rearrangement of P‐Acid β‐Chloroethyl Ester N‐Phenylimides.
Authors: MASTRYUKOVA T. A. , MASHCHENKO N. V. , ODINETS I. L. , PETROVSKII P. V. , KABACHNIK M. I.
Published: May 2016

Reaction of the phosphonites (Ia) and (Ib) or the phosphite (Ic) with phenyl azide (II) gives the phosphonimidates (IIIa) and (IIIb) or the phosphorimidate (IIIc).
ChemInform Abstract: Unsymmetrically Diphosphorus Substituted Acetylenes.
Authors: FLUCK E. , KUHM P. , RIFFEL H.
Published: May 2016

The bis(difluorophosphoranyl)acetylene (I) reacts with one equiv. BF3·OEt2 to yield the unsym. phosphonium tetrafluoroborate (II) which is only stable at low temperature.
ChemInform Abstract: Synthesis of 1‐(Dimethylphosphino)‐2‐(dimethylphosphinyl)ethane, 1‐(Dimethylphosphino)‐2‐(dimethylthiophosphinyl)ethane, and Their Derivatives.
Authors: MAEDING P. + , SCHELLER D.
Published: May 2016

The two monooxidation products of the diphosphine (I), the title compounds (II) and (VIII) are prepared according to the scheme.
ChemInform Abstract: Reaction of Di‐tert‐butylfluorophosphine with Tetrahalomethanes.
Authors: KOIDAN G. N. , OLEINIK V. A. , MARCHENKO A. P. , PINCHUK A. M.
Published: May 2016

The fluorophosphine (I) is coupled with the tetrahalomethanes (II) to give the phosphoranes (III) and the phosphonium salts (IV).
ChemInform Abstract: Experimental and Theoretical Study of the R3P+‐X‐ Bond. Case of Betaines Derived from N‐Iminophosphoranes and Alkyl Isocyanates.
Authors: MOLINA P. , ALAJARIN M. , LOPEZ LEONARDO C. , CLARAMUNT R. M. , FOCES‐FOCES C. , HERNANDEZ CANO F. , CATALAN J. , DE PAZ J. L. G. , ELGUERO J.
Published: May 2016

The reaction of the triazine (I) with aliphatic isocyanates (II) yields the betaines (III), bearing simultaneously a negative charge delocalized through an amidine system and a positive charge in an iminium phosphorane moiety.
ChemInform Abstract: N‐ and C‐Phosphorus(III)‐Substituted Azomethine Derivatives and Their Rearrangements.
Authors: NOVIKOVA Z. S. , KABACHNIK M. M. , LUTSENKO I. F.
Published: May 2016

Reaction of the phosphorus(III) halides (I), (IV), (VII), or (XI) with the azomethines (II) or (VI) gives the N‐phosphorylated enamines (III) or (VIII), the diazaphospholes (V), or the C‐phosphorylated azomethine (Xb) depending on the starting materials.
ChemInform Abstract: Monohalobenzoylhydrazones. Part 5. Spectral and Bonding Properties of Some Novel Antimony(III) Complexes of p‐Chlorobenzoyl‐di‐(2‐pyridyl)ketohydrazone Studied by Experimental and Quantum Chemical Methods.
Authors: TOSSIDIS I. A. , BOLOS C. A. , KATSOULOS G. A. , SIGALAS M. P. , TSIPIS C. A.
Published: May 2016

The title complexes (I) are obtained by the reactions of the antimony(III) halides with the ligand in methanol (no yields given).
ChemInform Abstract: A Stable η2‐H2 Complex of Cobalt. Role of the H‐H Interaction in Hydrogen Transfer from Metal to Alkene.
Authors: BIANCHINI C. , MEALLI C. , MELI A. , PERUZZINI M. , ZANOBINI F.
Published: May 2016

The η2‐H2 Co complex (III) is obtained by protonation of the hydride (I) according to the scheme.
ChemInform Abstract: Organopalladium(IV) Chemistry: Binuclear PdIV‐PdIV and PdIV‐PtIV μ‐Hydrocarbyl Complexes.
Authors: CANTY A. J. , WATSON A. A.
Published: May 2016

The oxidative trans‐addition of α,α'‐meta‐dibromoxylene (II) to the Pd(II) complex (I) results in the formation of the Pd(IV) complex (III).
ChemInform Abstract: Synthesis and Structure of the Diterpenoid Peucelinendiol.
Authors: MORAN J. R. , ALCAZAR V. , GRANDE M.
Published: May 2016

The title compound (VIII) is obtained together with isopeucelinendiol (IX).
ChemInform Abstract: Synthesis, X‐Ray Diffraction, and CD of Cholesteno‐as‐triazines.
Authors: HAJOS G. , SNATZKE G. , FUELOEP V. + , KALMAN A.
Published: May 2016

Ring closure of dione (I) with semicarbazide (II) leads predominantly to the (3,2‐e)adduct (III) accompanied by its (2,3‐e)isomer which are separable after chlorination with POCl3.
ChemInform Abstract: Synthesis and Circular Dichroism of Cholestenopyrimidines.
Authors: HAJOS G. , SNATZKE G.
Published: May 2016

Cholestenopyrimidine (Va) is prepared either directly from 3‐cholestanone (I) under drastic conditions or from the derivative (III) (from (I), literature) by two routes.
ChemInform Abstract: Synthesis of 2′,3′‐Dideoxyuridine via Deoxygenation of 2′,3′‐O‐(Methoxymethylene)uridine.
Authors: SHIRAGAMI H. , IRIE Y. , SHIRAE H. , YOKOZEKI K. , YASUDA N.
Published: May 2016

Uridine (I) and trimethyl orthoformate (II) produce the cyclic ortho ester (III) which reacts with acetic anhydride (IV) to give the O‐acetyl‐O‐methoxymethyleneuridine (V).
ChemInform Abstract: Synthesis of Optically Active (Pivaloyloxy)methyl 2′,3′‐Substituted‐4′‐oxoazetidin‐1′‐yl‐3‐methylbut‐2‐enoates from 6‐APA.
Authors: SOMOZA C. , MASCARETTI O. A.
Published: May 2016

The title compounds (II) and (IV) may be used for the synthesis of non‐classical β‐lactam derivatives.
ChemInform Abstract: Convenient Syntheses of the Naturally Occurring Benzo(b)xanthen‐12‐one Bikaverin. X‐Ray Crystallographic Confirmation of the Product Regiochemistry.
Authors: DE KONING C. B. , GILES R. G. F. , ENGELHARDT L. M. , WHITE A. H.
Published: May 2016

One synthetic pathway to the title compound (IX), a wine‐red pigment of the fungal genera Fusarium, Gibberella and Mycogone, starts with the dibromide (I) as shown.
ChemInform Abstract: Synthesis of Gramicidin S Analogues Consisting of Fourteen Amino Acid Residues.
Authors: TAMAKI M. , TAKIMOTO M. , MURAMATSU I.
Published: May 2016

The cyclotetradecapeptides (Ia)‐(Id), analogues of gramicidin S (II), are prepared in order to investigate the contribution of the ring size and the amino acid sequences around the proline residue to the antibiotic activity and conformation.
ChemInform Abstract: Synthesis of Cephalosporin (R)‐Sulfoxides and Their Antibacterial Activity.
Authors: MNDZHOYAN SH. L. , KRAMER M. S. , ALEKSANYAN M. V. , TER‐ZAKHARYAN YU. Z. , KAZARYAN E. V.
Published: May 2016

The carboxylic acids (IV) are transformed with ethyl chloroformate (V) into the corresponding mixed anhydrides which are coupled in situ with the cephemcarboxylic acid oxide (III) to give the amides (VI).
ChemInform Abstract: Low‐Temperature Sintering of Seeded Sol‐Gel‐Derived ZrO2‐Toughened Al2O3 Composites.
Authors: MESSING G. L. , KUMAGAI M.
Published: May 2016

It is demonstrated that up to 14 vol% unstabilized tetragonal ZrO2 can be retained in an alumina matrix by using a sol‐gel system in which the boehmite to α‐Al2O3 transformation is seeded with α‐Al2O3.
ChemInform Abstract: Theoretical Study on Electronic Structures of AuF6 and Its Anions.
Authors: MIYOSHI E. , SAKAI Y.
Published: May 2016

SCF‐MO and CI calculations on AuFn6‐ (n = 0‐3) (model potential method) show that the AuF6‐ anion has the lowest minimum energy in this series and the energy of the AuF63‐ anion is ∼ 4 eV higher than that of AuF6‐ and AuF62‐ at their equilibrium positions.
ChemInform Abstract: Calorimetric Studies of Ce‐Cu and Ce‐Mg‐Cu Alloys.
Authors: NAGARAJAN K. , SOMMER F.
Published: May 2016

The integral enthalpies of mixing of Ce‐Cu and some Ce‐Mg‐Cu liquid alloys, the enthalpy of formation and enthalpy of melting of the CeCu2 intermetallic compound, and the heat content of solid and liquid CeCu2 are determined using different calorimeters.
ChemInform Abstract: The Role of Phosphorus in the Caustic Stress Corrosion Cracking of Low Alloy Steels
Authors: BRIANT C. L.
Published: May 2016

is studied by constant load stress corrosion tests in 9 M NaOH (‐400 mV) of samples of Ni‐Cr‐Mo‐V and Ni‐Cr‐V steels containing 0.11‐0.12 wt.% P. The results show that phosphorus accelerates cracking in NaOH by decreasing the initiation time for crack growth and also by increasing the crack velocity.
ChemInform Abstract: The Effect of H2S Concentration and pH on the Cracking Resistance of AISI 410 Stainless Steel in 5% Brine
Authors: SAENZ DE SANTA MARIA M. , TURNBULL A.
Published: May 2016

is studied by the slow strain rate method.
ChemInform Abstract: A Silicogermanate with a Si:Ge Ratio ≥ 2. ‐ A Novel MFI‐Zeolite.
Authors: GABELICA Z. , GUTH J.‐L.
Published: May 2016

Substitution of Ge for Si in pure SiO2‐zeolites yields microporous materials containing Si and Ge in a tetrahedral framework of the MFI‐type.
ChemInform Abstract: Evidence for a Ferromagnetic Ground State in a Polynuclear Copper(II) Complex Involving CuN2O Chromophores.
Authors: CROS G. , LAURENT J.‐P.
Published: May 2016

A novel Schiff base, prepared from pyrrole‐2‐carbaldehyd and 2‐aminoethanol, reacts with equimolar amounts of Cu(ClO4)2 affording the title complex (I) (no yield given).
ChemInform Abstract: Influence of the Change of the Oxidation State of the Rare Earths Upon Their Mass Fragmentation in Acetylacetonate Complexes.
Authors: LIS S. , PLAZIAK A. S. , ELBANOWSKI M.
Published: May 2016

Ce(III) and Gd(III) complexes of acetylacetone preserve the original oxidation state whereas the complexes of Sm(III), Eu(III), and Yb(III) change their oxidation state (from III → II).
ChemInform Abstract: Complexes of Dimolybdenum(II) with DL‐Amino Acids. Part 2. Crystal Structure of Compounds Containing DL‐Valine and DL‐Leucine.
Authors: APFELBAUM F. , BINO A.
Published: May 2016

(I) and (II), prepared by reacting Mo24+ with the racemic amino acid in water followed by addition of the appropriate anion, both crystallize in P1 with Z=1.
ChemInform Abstract: Complexes of Aminophosphonates. Part 2. Transition Metal Complexes of Aminophosphonic Acid Analogues of Aspartic Acid and Glutamic Acid.
Authors: KISS T. , FARKAS E. , KOZLOWSKI H.
Published: May 2016

The stoichiometries and stability constants of the aminophosphono acid (I)‐(III) and their Co(II), Ni(II), Cu(II), and Zn(II) complexes are determined pH‐metrically.
ChemInform Abstract: Diastereoselective Formation of Contiguous Quaternary Centers: The Modified Carroll Rearrangement.
Authors: GILBERT J. C. , KELLY T. A.
Published: May 2016

A range of misleading or optimizing reactions is described to construct vicinal quaternary centers in acyclic systems with high diastereoselectivity.
ChemInform Abstract: Oxidative Cleavage of the CC Triple Bond During the Autoxidation of Acetylenic Hydrocarbons. Part 4. The Reaction of Acyloxy and Alkoxy Radicals with α‐Diketones.
Authors: RAO T. S. S. , PRITZKOW W.
Published: May 2016

The peroxides (I) are thermally decomposed in the presence of diones (II); in all cases benzoic acid is formed.
ChemInform Abstract: Participation of Phosphonate Neighbor Groups with Dehydrogenations of Amines.
Authors: MOEHRLE H. + , VETTER W.
Published: May 2016

The aminophosphonates (I) and (III) are dehydrogenated under the conditions outlined in the scheme to the corresponding lactams (II) and (IV).
ChemInform Abstract: Bromine as an Oxidant for Direct Conversion of Aldehydes to Esters.
Authors: WILLIAMS D. R. , KLINGLER F. D. , ALLEN E. E. , LICHTENTHALER F. W.
Published: May 2016

The aldehydes (I) form semiacetals, e.g. (III), with alcohols such as methanol (II).
ChemInform Abstract: Titanium(0) Reagents. Part 5. Reduction of Nitrobenzenes.
Authors: MALINOWSKI M.
Published: May 2016

The reduction of nitrobenzenes such as (I) (16 examples given) by in situ generated Ti(0) leads exclusively to anilines (II) if the Hammett constant of R is greater than + 0.3 or lower than ‐ 0.3; but within this range a mixture of anilines (II) with azobenzenes (III) or nothing but azobenzene is formed.
ChemInform Abstract: A Facile and Mild De‐tert‐butylation Reaction.
Authors: LEWIS N. , MORGAN I.
Published: May 2016

The poly(tert‐butyl)phenols (I) and (V) are treated with five equivalents of aluminum trichloride to yield the completely de‐tert‐butylated phenol (II) or (VI) as the main products.
ChemInform Abstract: F‐Alkyliron(II) Compounds.
Authors: KRESPAN C. G.
Published: May 2016

Perfluorohexyl iodide (I) reacts with pentacarbonyliron (II) to give the tetracarbonyliron iodide (III) which decomposes upon heating to 140°C, forming the products (I) and (IV) ‐ (VI).
ChemInform Abstract: L‐α‐Aminoadipic Acid from L‐Glutamic Acid.
Authors: PELLICCIARI R. , NATALINI B. , MARINOZZI M.
Published: May 2016

The N‐protected formaldehyde adduct (II) of L‐glutamic acid (I), prepared by a known procedure, is converted to the α‐diazo ketone (IV) by coupling a mixed anhydride with diazomethane (III).
ChemInform Abstract: Facile Formations of o‐ and p‐Tropoquinone Mono‐ and Bisacetals by Anodic Oxidations of 2,3‐ 2,5‐, 2,7‐, and 4,5‐Dimethoxytropones.
Authors: MORI A. , KUBOTA T. , TAKESHITA H.
Published: May 2016

Anodic oxidation of the tropone (I) yields the tropoquinone monoacetal (III), which undergoes Thiele‐type reaction to give the diacetylated tropone (V) with high positional selectivity (yield not given).
ChemInform Abstract: Silica Gel‐Catalyzed Cyclizations of Mixed Ketene Acetals.
Authors: SCHINZER D. , KALESSE M. , KABBARA J.
Published: May 2016

The 3‐methoxy‐2‐cyclohexenones (I) react consecutively with LDA, methyl acrylate (II), and trimethylsilyl chloride (III) to form the ketene acetals (IV) which are desilylated and cyclized in the presence of SiO2 or TiCl4, yielding the bicyclic esters (V).
ChemInform Abstract: Reaction of 1‐Bromo‐7‐chloropentacyclo(5.2.0.02,6.03,9.05,8)nonane with tert‐Butyllithium: Evidence for 1(7)‐Homocubene.
Authors: SCHAEFER J. + , SZEIMIES G.
Published: May 2016

1‐Bromo‐7‐chlorohomocubane (I) reacts with tert‐butyllithium (II) to form the 1(7)‐homocubene (IV) via the 1‐lithio‐7‐chloro compound (III).
ChemInform Abstract: Reactions of N‐Polyfluorophenylcarbonimidoyl Dichlorides with Primary and Secondary Amines. Kinetics and Mechanism. Synthesis of Polyfluorinated Carbodiimides, Chloroformamidines, Guanidines, and Benzimidazoles.
Authors: KOLESNIKOVA I. V. , PETROVA T. D. , PLATONOV V. E. , MIKHAILOV V. A. , POPOV A. A. , SAVELOVA V. A.
Published: May 2016

Reaction of the carbonimidoyl chloride (I) with the aliphatic primary amines (II) gives the carbodiimides (III) which are hydrolyzed, yielding urea derivatives, e.g. (IV).
ChemInform Abstract: Synthesis of Some Propellane Ethers.
Authors: FYTAS G. , KOLOCOURIS N. , FOSCOLOS G. B.
Published: May 2016

The spiro ketones (I) are subjected to Reformatskii reaction with the bromoacetate (II) to give the β‐hydroxy esters (III).
ChemInform Abstract: Synthesis of Functionalized Non‐Natural Amino Acid Derivatives via Amidoalkylation Transformations.
Authors: LEGALL P. , SAWHNEY K. N. , CONLEY J. D. , KOHN H.
Published: May 2016

Two different synthetic approaches to amino acid amides bearing a (hetero)aryl substituent in the α‐position are examined.
ChemInform Abstract: Pyrrole Studies. Part 40. Synthesis of 2‐ and 3‐Substituted 1‐Methylindoles from Vinylpyrroles.
Authors: GONZALEZ‐ROSENDE E. , JONES R. A. , SEPULVEDA‐ARQUES J. , ZABALLOS‐GARCIA E.
Published: May 2016

The 2‐ and 4‐vinylpyrroles (III), (V), or (VII) and (VIII) are prepared by Wittig olefination of the formylpyrroles (I), (IV), or (VI).
ChemInform Abstract: A New Entry to the Synthesis of β‐Hydroxytyrosines via a Novel Benzylic Hydroxylation.
Authors: SHIMAMOTO K. , OHFUNE Y.
Published: May 2016

The L‐tyrosine derivatives (I) are oxidized with potassium peroxodisulfate in the presence of cupric sulfate to give the cyclic carbamates (II).
ChemInform Abstract: Reaction of 1,4,2‐Dithiazolium Salts with Amino Compounds.
Authors: YONEMOTO K. , SHIBUYA I.
Published: May 2016

The reaction of 1,4,2‐dithiazolium salts such as (I) or (IV) with amino compounds such as (II), (V) or (VII) is investigated systematically under various conditions.
ChemInform Abstract: An Unusual Reaction Between the Esters of N‐Hydroxy‐2‐thiopyridone and Activated Azo Compounds.
Authors: BARTON D. H. R. , OZBALIK N. , VACHER B.
Published: May 2016

The reaction between the esters (I), specified in the title, and diethyl azodicarboxylate (II) proceeds smoothly at room temperature even in the dark to yield the novel compounds (III).
ChemInform Abstract: Condensation Reaction of 4‐Azafluorenone and 9‐Phenacylidene‐4‐azafluorene with Acetophenone. Synthesis of 3′‐Oxospiro(4‐azafluorene‐9,1′‐in‐dan).
Authors: PROSTAKOV N. S. , MAKULI M. , MIKHAILOVA N. M. , SERGEEVA N. D. , OBYNOCHNYIA A.
Published: May 2016

The azafluorenone (Ia) or its phenacylidene derivative (Ib) is coupled with the acetophenone (II) to give the diphenacyl‐ (III) and the di(benzoylethylidene)azafluorene (IV).
ChemInform Abstract: Partially Fluorinated Heterocycles. Part 25. The Formation of Fused‐Ring 3H‐Azepine Derivatives: 6,7,8,9‐Tetrafluoro‐2,4‐diphenyl‐3H‐1‐benzazepine and 6,7,8,9,10,11‐Hexafluoro‐2,4‐diphenyl‐3H‐naphth(2,1‐b)azepine.
Authors: BROOKE G. M. , MATTHEWS S.
Published: May 2016

The title compounds (III) and (V) are formed by ZnCl2‐catalyzed reaction of pentafluoroaniline (I) or heptafluoro‐2‐naphthylamine (IV) with β‐benzoyl‐α‐methylstyrol ('dypnone') (II).
ChemInform Abstract: Synthesis and Reactions of 3‐Substituted 2‐Phosphomethyl Acrylates.
Authors: SCHOEN W. R. , PARSONS W. H.
Published: May 2016

The nucleophilic phosphorus(III) compounds (I) undergo base‐induced coupling with the phosphonoacrylate (II), followed by Wittig‐Horner olefination with the aldehydes (III), yielding the phosphomethylacrylates (IV).
ChemInform Abstract: Exchange Reactions of Distibines.
Authors: ATES M. , BREUNIG H. J. , GUELEC S. +
Published: May 2016

The asym. distibines (III) are formed in equilibrium mixtures with their sym. precursors (I) and (II) by exchange reactions at 25 °C without solvent.
ChemInform Abstract: Synthesis and Cycloaddition Reactivity of Selenoaldehydes.
Authors: MEINKE P. T. , KRAFFT G. A.
Published: May 2016

A variety of selenoaldehydes such as (III) are prepared either by fluoride desilylation of the α‐silyl selenocyanates (I) or by base‐induced HCN elimination of simple selenocyanates such as (VIII).
ChemInform Abstract: Synthesis and Properties of Some Crowded Organotin Compounds.
Authors: DHAHER S. M. , EABORN C. , SMITH J. D.
Published: May 2016

The crowded trialkyl organotin halides (III) are prepared from the lithiated trisilylmethanes (I) and the dichlorostannanes (II).
ChemInform Abstract: Isomeric Tetranuclear Molybdenum‐Tungsten‐Sulfur Cluster Dithiophosphinates.
Authors: DEEG A. , KECK H. , KRUSE A. , KUCHEN W. , WUNDERLICH H.
Published: May 2016

A mixture of the three isomeric clusters (IV), (Va), and (Vb) is obtained by reacting equimolar quantities of (I), (II), and (III) as shown and separated into (IV) and (V) by fractional crystallization.
ChemInform Abstract: Reactions of Coordination Compounds in the Solid State. Part 5. The Racemization of Potassium Ethylenediaminetetraacetate Cobaltate(III).
Authors: FUJIWARA T. , BAILAR J. C. JUN.
Published: May 2016

The title reaction of the optically active solid is studied at 152 and 174 °C. Some decomposition takes place at the higher temperature.
ChemInform Abstract: Synthesis of Novel Schiff Base Bis‐ and Tris‐Crown Ether Ligands Containing Recognition Sites for Alkali and Transition Metal Guest Cations.
Authors: BEER P. D. , CRANE C. G.
Published: May 2016

The Schiff base bis‐ and tris‐benzo crown ether ligands (III) and (X) containing recognition sites for alkali and transition metal guest cations are prepared from the di‐ and triamine (I) and (IX) and the crown ether aldehyde (II) according to the scheme.
ChemInform Abstract: Synthesis and Characterization of Some Ruthenium(V) Oxo Complexes of the Schiff Base, Bis(salicylaldehyde)‐o‐phenylenediamine, with Appended Cl‐, Imidazole and 2‐Methylimidazole: The First Examples of Stable Oxo Complexes via Direct Oxygenation.
Authors: TAQUI KHAN M. M. , SREELATHA CH. , MIRZA S. A. , RAMACHANDRAIAH G. , ABDI S. H. R.
Published: May 2016

The title complexes (II) can also be obtained by oxygenation with H2O2 or iodosyl benzene in water‐dioxane/DMF (yield 60‐65 or 55‐60%).
ChemInform Abstract: Reactions of Monoazadienes with Metal Carbonyl Complexes. Part 3. Thermal Conversion of N‐Alkyl‐(E)‐crotonaldimine with Ru3(CO)12 to σ‐N,μ2‐η3‐Allyl and μ2‐η3‐Azaallyl Bonded Six Electron Fragments Coordinated to a Hexacarbonyl Diruthenium Unit. X‐Ray Single Crystal Structure Determinations of Ru2(CO)6(σ‐N,μ2‐η3‐CH2CC(H)C(H)=N‐C4H9‐t) and Ru2(CO)6(μ2‐η3‐C2H5‐CC(H)N‐C4H9‐t).
Authors: POLM L. H. , ELSEVIER C. J. , MUL W. P. , VRIEZE K. , CHRISTOPHERSEN M. J. N. , MULLER F. , STAM C. H.
Published: May 2016

The thermal reaction of Ru3(CO)12 (I) with the monoazadiene (II) results in the formation of the two title complexes (III) and (IVa).
ChemInform Abstract: Rhodium‐Centered Formation of a Cyclobutenyl Ligand and Rearrangement to a Cyclopentadienyl Complex.
Authors: MUELLER J. + , TSCHAMPEL M. , KRUEGER C. +
Published: May 2016

The isolated complex (IV) contains an exo‐methyl‐tetraphenylcyclobutenyl ligand and is characterized by X‐ray diffraction (P42/n, Z = 8).
ChemInform Abstract: Neutral and Cationic Orthopalladated (C‐N) Complexes (C‐N: Phenylazophenyl, Dimethylbenzylamine, 8‐Methylquinoline, 2‐Methoxy‐3‐N,N‐dimethylaminopropyl).
Authors: FORNIES J. , NAVARRO R. , SICILIA V.
Published: May 2016

The chloride‐bridged, cyclopalladated compounds (I) are converted into the mononuclear, cationic derivatives (III) by elimination of chloride ligands in refluxing THF or acetone using AgClO4 and subsequent reaction with corresponding bidentate ligands (II).
ChemInform Abstract: Synthesis and in vitro Cytostatic Activity of Platinum(II) Nitrate Complexes with Propan‐1‐amine.
Authors: CHERCHI V. , FARAGLIA G. , SINDELLARI L. , SITRAN S. , FURLANI A. , SCARCIA V.
Published: May 2016

The nitrato‐Pt(II) complexes (I)‐(III) are prepared by reaction of the appropriate chloro and bromo precursor with AgNO3 in methanol and characterized by IR and 1H NMR spectroscopy as well as by thermal analysis (TG, DTG, DTA).
ChemInform Abstract: Tobacco Chemistry. Part 69. Five New Labdanic Compounds from Tobacco.
Authors: WAHLBERG I. , EKLUND A.‐M. , NORDFORS K. , VOGT C. , ENZELL C. R. , BERG J.‐E.
Published: May 2016

The constituent (I) is isolated from sun‐cured leaves whereas the compounds (II)‐(IV) are obtained from flowers of Greek tobacco.
ChemInform Abstract: Improved Synthesis of 8‐Methylene‐des‐AB‐cholestan‐9‐one.
Authors: MORZYCKI J. W. , RODEWALD W. J. , JUREK J.
Published: May 2016

Fragmentation of compound (I) under the conditions indicated affords the desired vitamin D synthon (III) together with the nitrile (II).
ChemInform Abstract: Organophosphorus Analogues and Derivatives of the Natural L‐Amino Carboxylic Acids and Peptides. Part 5. Synthesis of Analogues of Plumbemycin A.
Authors: NATCHEV I. A.
Published: May 2016

The analogues (IV)‐(VII), (IX), (X) of Plumbemycin are synthesized as outlined in the scheme for (IV), (V), (IX) and (X).
ChemInform Abstract: Chemoselective Enzymatic Monoacylation of Bifunctional Compounds.
Authors: CHINSKY N. , MARGOLIN A. L. , KLIBANOV A. M.
Published: May 2016

Depending on the acylating agent (II) or (IV) employed, a selective acylation of either the OH group or the NH2 group of the bifunctional model compound (I) is achieved in the presence of a biocatalyst to give the products (III) or (V).
ChemInform Abstract: Functionally Substituted Vinyl Carbanions. Part 35. Short Synthesis of 3‐Deoxy‐D‐manno‐2‐octulosonic Acid (KDO).
Authors: ENHSEN A. , SCHMIDT R. R.
Published: May 2016

The octulosonate derivatives (VIII) and (IX) are prepared via dilithiation of the amides (VI) and subsequent treatment with the arabinose (VII).
ChemInform Abstract: On the Origin of Hydrogen Clusters Produced by Particle Induced Desorption.
Authors: DA SILVEIRA E. F. , SCHWEIKERT E. A.
Published: May 2016

The relative yields of hydrogen ions are determined by particle desorption mass spectrometry of conducting and nonconducting substrates at different temp. and different surface conditions.
ChemInform Abstract: Vibrational Spectra of the Cluster Compound Nb6F15.
Authors: KLICHE G. , VON SCHNERING H. G.
Published: May 2016

The IR and Raman spectra of the cubic cluster compound (Nb6F12)F3 are reported.
ChemInform Abstract: Superconductivity of the YBa2Cu3Oy‐Ag System.
Authors: TSUCHIDA K. , MIURA Y. , TSUDO H. , KATO A.
Published: May 2016

YBa2Cu3Oy‐Ag composite powders are prepared by a spray‐pyrolysis technique and the effect of the Ag content on the superconducting properties is studied.
ChemInform Abstract: The Anodic Dissolution of Iron in Acidic Acetonitrile‐Water Solutions
Authors: AHLBERG E. , FRIEL M.
Published: May 2016

is studied as a function of MeCN content and pH.
ChemInform Abstract: The Oxygen Atom Transfer Chemistry of Heteropolytungstate “Browns” in Nonaqueous Solvents
Authors: PIEPGRASS K. , POPE M. T.
Published: May 2016

is studied for the reduced heteropolyanions (AW(VI)9O37W(IV)3(OH2)3)n‐ (A: H2, B, Si; n = 6, 5, 4, resp.).
ChemInform Abstract: Crystal Structure, Spectroscopic and Magnetic Properties of the Complex (Cu(paphy)(NCS)(SCN)) (paphy: pyridine‐2‐carbaldehyde 2′‐pyridylhydrazone). An Unusual Di‐μ‐thiocyanato‐N Bridged Copper(II) Dimer.
Authors: MESA J. L. , ROJO T. , ARRIORTUA M. I. , VILLENEUVE G. , FOLGADO J. V. , BELTRAN‐PORTER A. , BELTRAN‐PORTER D.
Published: May 2016

The title dimer (I) crystallizes in the space group P21/a with Z=4.
ChemInform Abstract: Reduction Potentials of CO‐ 2 and the Alcohol Radicals.
Authors: SCHWARZ H. A. , DODSON R. W.
Published: May 2016

Equilibrium constants are measured at 25 °C for the pulse radiolytic reactions X·‐ + Tl+ = X + Tl0 (X: CO2, CH2O, MeCHO, and Me2CO).
ChemInform Abstract: Meisenheimer‐Type Adducts from Thiophene Derivatives. Part 5. 1H and 13C NMR Studies of the Formation of Meisenheimer‐Type Adducts from 3‐Nitro‐furan, ‐thiophene, and ‐selenophene.
Authors: SANCASSAN F. , DELL'ERBA C. , GRONOWITZ S. , CONSIGLIO G. , SPINELLI D.
Published: May 2016

The difference between the reactivities of (IIIa) and (IIIb) can be explained by the different aromaticity of the parent compounds, whereas the higher stability of (IIIc) with respect to (IIIb) is at least in part caused by the better delocalization of negative charge in (IIIc).
ChemInform Abstract: Interaction of Enzymes with Surfactants in Aqueous Solution and in Water‐in‐Oil Microemulsions.
Authors: SCHOMAECKER R. , ROBINSON B. H. , FLETCHER P. D. I.
Published: May 2016

The hydrolysis of (I) in the presence of lipase such as C. viscosum lipase shows competitive (non‐competitive) inhibition when (II) ((III)) is added.
ChemInform Abstract: Homocub‐1(9)‐ene Trapped.
Authors: CHEN N. , JONES M. JUN.
Published: May 2016

Photolysis of the tosylhydrazones (I) and (VI) in the presence of trans‐ (IV) or cis‐4‐methyl‐2‐pentene (VII) yields the cyclopropanes (V) and (VIII).
ChemInform Abstract: Extrusion of Dibromocarbene Under Neutral Conditions.
Authors: WARNER P. M. , LU S.‐L. , GURUMURTHY R.
Published: May 2016

Thermal decomposition of the dibromo(4.3.1)propelladiene (II), obtained by dehydrogenation of the compound (I), in the presence of cyclohexene (III) leads to the formation of indan (IV) and 7,7‐dibromonorcarane (V), together with unreacted (II).
ChemInform Abstract: Hydrolysis of Fluoro‐Substituted β,β′‐Triketones.
Authors: KROKHALEV V. M. , SALOUTIN V. I. , PASHKEVICH K. I.
Published: May 2016

Hydrolysis of the perfluoroacyldiacetylmethanes (I) in a neutral or an acidic medium yields the fluoroalkyl β‐diketones (II), whereas in an alkaline medium acetylacetone (III) is obtained.
ChemInform Abstract: Polyspiranes. Part 18. Rearrangement Cascades. Part 13. From Tetraspiranes to Bispropellanes.
Authors: FITJER L. , QUABECK U.
Published: May 2016

Rearrangement of the tetraspirane (III) derived from the ketone (I) under kinetic (A)) or thermodynamic (B)) control leads to the products (IV)‐(VII), among them the bispropellane (VI).
ChemInform Abstract: 3‐Arylsulfonyloxazolidines as Chiral Templates. Asymmetric Synthesis of 2‐Substituted 2‐Hydroxycyclohexanecarbaldehydes from 2‐Hydroxymethylenecyclohexanone.
Authors: HOPPE I. , HOPPE D. , WOLFF C. , EGERT E. , HERBST R.
Published: May 2016

Two new stereogenic centers are formed upon condensation of the chiral sulfamide (I) with the enol (II) (→ (III)).
ChemInform Abstract: DL Camphor 3‐Sulfonic Acid and Other Keto α‐Sulfonic Acids.
Authors: CREMLYN R. J. , WU L.
Published: May 2016

DL‐Camphor (I) is consecutively treated with sulfur trioxide (II) in dioxane and aqueous sodium hydroxide to give the sodium sulfonate (III).
ChemInform Abstract: A New Method for the Preparation of (E)‐3‐Acylprop‐2‐enoic Acids.
Authors: OBRECHT D. , WEISS B.
Published: May 2016

With a view to their biological activity the title compounds (II) are prepared.
ChemInform Abstract: Electrophilic Heteroaromatic Substitutions. Part 10. Unexpected Results in the α‐Side‐Chain Chlorination of a Series of Ethyl 3,4,5‐Trialkylpyrrole‐2‐carboxylates.
Authors: SCARSELLA M. , SLEITER G.
Published: May 2016

The reaction of a series of 3,4,5‐trisubstituted pyrrole carboxylates such as (I), (VI), (VIII) or (X) with an excess of SO2Cl2 followed by solvolysis is investigated in several solvents and under different experimental conditions.
ChemInform Abstract: Oxidative Cyclization of 2‐Amino‐1‐benzylideneaminobenzimidazoles into 1,2,4‐Triazolo(1,5‐a)benzimidazoles.
Authors: KUZ'MENKO T. A. , KUZ'MENKO V. V. , POZHARSKII A. F. , KLYUEV N. A.
Published: May 2016

During the thermal treatment of the 1‐benzylideneaminobenzimidazoles (III) and (VII), the 2‐methylamino derivatives (IIIb) and (IIIc) only undergo cyclization, producing the triazolobenzimidazoles (IVb) and (IVc).
ChemInform Abstract: 2,3:5,6‐Bis(ethylenedithio)‐ and Bis(trimethylenedithio)‐N,N′‐dicyanoquinonediimines as New Electron Acceptors.
Authors: OTSUBO T. , NOBUHARA Y. , KANEFUJI K. , ASO Y. , OGURA F.
Published: May 2016

Cyclocondensation of choranil (I) with the dithiols (II) leads to the formation of the quinones (III) which react with the carbodiimide (IV) to give the title compounds (V).
ChemInform Abstract: Silicon Compounds with Strong Intramolecular Steric Interactions. Part 34. Disilene versus Silanediyl(“Silylene”) Additions to CN and NCO Bonds.
Authors: WEIDENBRUCH M. , FLINTJER B. , POHL S. , SAAK W.
Published: May 2016

The first (2 + 2)cycloaddition to a CN triple bond is observed in the reaction of photolytic generated disilene (II) with (III) to give (IV) (space group P21/c; Z=4).
ChemInform Abstract: Synthesis and NMR Characterization of P‐Vinyl Substituted Phosphazene Precursors.
Authors: WATERS K. E. , NEILSON R. H.
Published: May 2016

Lithiation of the bissilylamine (I) followed by addition of chlorophosphines such as (II) and vinylmagnesium bromide (III) yields silylamino phosphines such as (IV).
ChemInform Abstract: Bis‐ortho‐Chelated Arylcopper Compounds. Synthesis and X‐Ray Crystal Structure of Cu4Br2(C6H3(CH2NMe2)2‐o,o′)2.
Authors: WEHMAN E. , VAN KOTEN G. , ERKAMP C. J. M. , KNOTTER D. M. , JASTRZEBSKI J. T. B. H. , STAM C. H.
Published: May 2016

The title compound (III) is prepared according to the scheme and characterized by X‐ray structure determination (space group Pcab, Z = 8).
ChemInform Abstract: Metal Complexes with Biologically Important Ligands. Part 49. Palladium and Platinum(II) Complexes of Thioglycinate and Thioalaninate.
Authors: ZAHN I. , POLBORN K. , BECK W.
Published: May 2016

The ionic and neutral chelate complexes (III) and (V) are obtained according to the scheme.
ChemInform Abstract: A Facile Synthesis of α‐Ambrinol.
Authors: YAMASHITA M. , NISHII K. , MATSUMIYA K. , SUEMITSU R.
Published: May 2016

The title compound (VI) is the major volatile component of ambergris, an intestinal concretion of the blue sperm whale.
ChemInform Abstract: A Convenient Synthesis of (R)‐(+)‐Perillaldehyde.
Authors: TIUS M. A. , KERR M. A.
Published: May 2016

Rearrangement of (+)‐limonene oxide (I), induced by complex organometallic bases, yields the diastereoisomeric allylic alcohols (II) which are treated with phenylsulfenyl chloride (III), producing the allylic sulfoxide (IV) due to a further rearrangement process.
ChemInform Abstract: Harmonic Force Constants of the H3Si‐O‐‐AlH3 Anion. A Model of Si ‐O‐Al Bonds in Aluminosilicates.
Authors: HILL J.‐R. , SAUER J.
Published: May 2016

Quantum chemical SCF calculations using the 3‐21G basis set yield stretching force constants of 733 and 365 N/m for the SiO and AlO bonds, resp., and 0.5·10‐18 N m rad‐2 for the SiOAl bending force constant.
ChemInform Abstract: Corrosion of Thin Film Magnetic Disk: Galvanic Effects of the Carbon Overcoat.
Authors: BRUSIC V. , RUSSAK M. , SCHAD R. , FRANKEL G. , SELIUS A. , DIMILIA D. , EDMONSON D.
Published: May 2016

The corrosion of AlMg/NiP/CoP/C thin film disk structures is studied.
ChemInform Abstract: Tetraphenylphosphonium Tetraiodotrithiotriarsenate, PPh4(As3S3I4),
Authors: SINNING H. , MUELLER U. +
Published: May 2016

prepared as shown in the scheme crystallizes in the space group P21/c with Z=4 and is not isotypic with the corresponding chloro and bromo compounds, although the anion constitutions are of the same type.
ChemInform Abstract: Thermodynamics of the Formation of Metal Complexes of 1,4,10‐Trioxa‐7,13‐diazacyclopentadecane‐N,N′‐diacetic Acid and of 1,4,10,13‐Tetraoxa‐7,16‐diazacyclo‐octadecane‐N,N′‐diacetic Acid.
Authors: DELGADO R. , FRAUSTO DA SILVA J. J. R. , VAZ M. C. T. A. , PAOLETTI P. , MICHELONI M.
Published: May 2016

The trioxa ligand gives more stable transition‐metal complexes than the tetraoxa ligand due to more favorable heats of reaction.
ChemInform Abstract: X‐Ray Structural Studies of Chiral β‐Lactam Formation from an Achiral Oxo Amide Using the Chiral‐Crystal Environment.
Authors: SEKINE A. , HORI K. , OHASHI Y. , YAGI M. , TODA F.
Published: May 2016

Either enantiomer of the chiral crystals of the achiral glyoxylamide (I), prepared in large quantities by seeding with a powdered single crystal during recrystallization of (I) from benzene, undergoes enantioselective photocyclization to β‐lactam (II).
ChemInform Abstract: Type III Intramolecular (2 + 2)Cycloadditions of Vinyl Ketenes.
Authors: SNIDER B. B. , ALLENTOFF A. J. , KULKARNI Y. S.
Published: May 2016

The dienoic acids (III) and (VIII) are transformed into the corresponding ketenes which undergo spontaneous intramolecular cycloaddition to give the bicyclo(3.2.0)heptenones (IV) and (IX).
ChemInform Abstract: Dimerization of Sorbic Acid.
Authors: HASLINGER E. , MUELLER A. +
Published: May 2016

Dimerization of sorbic acid (I) followed by esterification or of sorbic acid methyl ester (III) with or without montmorillonite as catalyst leads to the cyclohexenes (IVa)‐(Vd).
ChemInform Abstract: Synthesis and Biological Activity of 2‐(Halohetaroyl)‐2‐azahetarylacetonitriles.
Authors: BABICHEV F. S. , PATRATII V. K. , VOLOVENKO YU. M. , PRODANCHUK N. G. , SINCHENKO V. G. , NEMAZANYI A. G.
Published: May 2016

The hetarylacetonitriles (I) are coupled with the acid chlorides (II) to give the condensation products (III) which have bactericidal and fungicidal activity.
ChemInform Abstract: Fluoride Ion‐Catalyzed Reduction of Aldehydes and Ketones with Hydrosilanes. Synthetic and Mechanistic Aspects and an Application to the threo‐Directed Reduction of α‐Substituted Alkanones.
Authors: FUJITA M. , HIYAMA T.
Published: May 2016

The aldehydes (Ia) and the ketones (Ib) are reduced by dimethylphenylsilane (II) in the presence of a fluoride ion catalyst to give the alkoxysilanes (III).
ChemInform Abstract: Multiple Structure‐Reactivity Relationships for a Menschutkin‐Type SN2 Reaction.
Authors: YOH S.‐D. , TSUNO Y. , FUJIO M. , SAWADA M. , YUKAWA Y.
Published: May 2016

A rule is formulated to relate the concerted changes in the effects of substituents in the substrate, the leaving group, and the attacking nucleophile to the change in mechanism.
ChemInform Abstract: Carbonylation of Vinyl Halides with Carbonylcobalt.
Authors: MIURA M. , OKURO K. , HATTORI A. , NOMURA M.
Published: May 2016

Carbonylation of bromostyrenes such as (I) with CO/Co2(CO)8 in the presence of MeI and a base yields in most cases the E‐cinnamic acids (III).
ChemInform Abstract: Preparation of p,p′‐Disubstituted‐α,ω‐Diphenyl Polyenes.
Authors: SPANGLER C. W. , MCCOY R. K. , DEMBEK A. A. , SAPOCHAK L. S. , GATES B. D.
Published: May 2016

Condensation of appropriately substituted aldehydes such as (I) with the bis‐Horner‐Emmons‐Wadsworth reagents (II) yields the diphenylpolyenes (III) containing 3‐6 conjugated double bonds with all‐E configurations.
ChemInform Abstract: A Novel Application of the Friedel‐Crafts Reaction to the Synthesis of Differently Substituted Polynuclear Compounds.
Authors: MAHATO S. B. , MANDAL N. B. , PAL A. K. , MAITRA S. K. , LEHMANN C. , LUGER P.
Published: May 2016

Depending on the reaction conditions, Friedel‐Crafts reaction of dichloroacetyl chloride (III) with pairs of different arenes forms substituted polynuclear compounds such as (IV), (V), and (VII).
ChemInform Abstract: Catalyzed ipso‐Replacement of Phenolic Ethers by Grignard Reagents.
Authors: JOHNSTONE R. A. W. , MCLEAN W. N.
Published: May 2016

The aryl tetrazolyl ethers (II) undergo cross‐coupling with the Grignard compounds (I) in the presence of various nickel catalysts to form the substituted arenes (III).
ChemInform Abstract: Direct Lithiation of Hydroxyaromatics.
Authors: COLL G. , MOREY J. , COSTA A. , SAA J. M.
Published: May 2016

Lithiation of 2‐naphthol (I) with tert‐butyllithium and subsequent treatment with the electrophilic compounds (II) results in regioselective formation of the 3‐substituted 2‐naphthols (III).
ChemInform Abstract: Structurally New Macrocycles from the Resorcinol‐Aldehyde Condensation. Configurational and Conformational Analyses by Means of Dynamic NMR, NOE, and T1 Experiments.
Authors: ABIS L. , DALCANALE E. , DU VOSEL A. , SPERA S.
Published: May 2016

Cyclocondensation of resorcinol (I) with the aldehydes (II), followed by acetylation, produces the stereoisomeric macrocycles (IV) ‐ (VI) with boat, chair, and diamond‐like conformation.
ChemInform Abstract: Regiospecific Palladium‐Catalyzed Tandem Cyclization ‐ Anion Capture Processes. Stereospecific Group Transfer from Organotin Reagents.
Authors: BURNS B. , GRIGG R. , RATANANUKUL P. , SRIDHARAN V. , STEVENSON P. , SUKIRTHALINGAM S. , WORAKUN T.
Published: May 2016

The (2‐iodophenyl)propargylacetamides (I) react with tributylvinylstannane (II) or allyltributylstannane (IV) in the presence of a Pd(II) complex, forming the 1‐acetyl‐2‐alkylideneindoles (III) or (V).
ChemInform Abstract: Transition‐Metal‐Diene Complexes in Organic Synthesis. Part 1. Highly Selective Oxidation of Fe(CO)3‐Cyclohexadiene Complexes. Synthesis of 4b,8a‐Dihydrocarbazol‐3‐ones and First Total Synthesis of Carbazomycin A.
Authors: KNOELKER H.‐J. + , BAUERMEISTER M. , BLAESER D. + , BOESE R. , PANNEK J.‐B.
Published: May 2016

Cyclization of the iron complex (IIIa) according to A) leads directly to 4‐deoxycarbazomycin B (V).
ChemInform Abstract: Synthesis and in vitro Antitubercular Activity of Alkylaminotetrahydrocarbazoles.
Authors: FILITIS L. N. , AKALAEVA T. V. , AMEL'KIN O. YU. , BOKANOV A. I. , IVANOV P. YU. , SHVEDOV V. I.
Published: May 2016

The alkylaminocarbazoles (IV) are prepared from the ketone (I) via the imines (III).
ChemInform Abstract: Stereoselective Intramolecular Haloamidation of N‐Protected 3‐Hydroxy‐4‐pentenylamines and 4‐Hydroxy‐5‐hexenylamines.
Authors: TAMARU Y. , KAWAMURA S. , BANDO T. , TANAKA K. , HOJO M. , YOSHIDA Z.
Published: May 2016

Haloamidation of the N‐tosyl‐4‐pentenylamines (I) and (IV) proceeds stereoselectively, yielding the cis‐2‐halomethyl‐3‐hydroxypyrrolidines (II), (III), and (V).
ChemInform Abstract: New Synthesis of Spirobenzopyran Amino Acids by Intramolecular Amidoalkylation.
Authors: URBAN F. J.
Published: May 2016

The methoxy amides (VIII) are prepared from the bromoalkyl fluorophenyl ethers (I) as shown in the reaction scheme.
ChemInform Abstract: Synthetic Approaches Toward Mitomycins: Construction of p‐Quinone Moiety on 1‐Benzazocine Derivative.
Authors: YOSHIDA K. , NAKAJIMA S. , OHNUMA T. , BAN Y. , SHIBASAKI M. , AOE K. , DATE T.
Published: May 2016

Deprotection of the bisether (IX), prepared from the benzazocine (I), gives a mixture of the isomers (X) and (XI).
ChemInform Abstract: Intraannular Functionalization of Macrocyclic Polyethers via Organolithium Intermediates.
Authors: SKOWRONSKA‐PTASINSKA M. , AARTS V. M. L. J. , EGBERINK R. J. M. , VAN EERDEN J. , HARKEMA S. , REINHOUDT D. N.
Published: May 2016

Condensation reaction of the substituted bromobenzene (I) with the polyethylene glycols (II) yields the bromo‐1,3‐xylyl crown ethers (III) which are lithiated to produce the intermediates (V).
ChemInform Abstract: Self‐Reduction of (Ph4P) (Nb(SCH2CH2CH2S)3) with Formation of a Binuclear Nb(IV) Complex.
Authors: TATSUMI K. , SEKIGUCHI Y. , SEBATA M. , NAKAMURA A. , CRAMER R. E. , CHUNG T.
Published: May 2016

The size of the chelate ring determines the reactivity of Nb(V) complexes.
ChemInform Abstract: Double Bonds Between Molybdenum Atoms Supported by Dimethylamido Ligands: Mo2(NMe2)4(OR)4 Compounds, Where R: 4‐Methylcyclohexyl and Diisopropylmethyl.
Authors: CHISHOLM M. H. , HAMMOND C. E. , HUFFMAN J. C.
Published: May 2016

Hydrocarbon solutions of the highly air‐sensitive compound (I) react with the alcohols (II) to yield the title compounds (III).
ChemInform Abstract: Low‐Valent Oxo Compounds. Part. 7. Low‐Valent Rhenium‐Oxo Alkyl and ‐Oxo Hydride Complexes. The Stabilizing Influence of the Oxo Ligand.
Authors: SPALTENSTEIN E. , ERIKSON T. K. G. , CRITCHLOW S. C. , MAYER J. M.
Published: May 2016

The rhenium(III)‐oxo alkyl bis(acetylene) complexes (III) are prepared by alkylation of the iodide derivative (I) with the dialkylzinc compounds (II).
ChemInform Abstract: Tetraaza Macrocyclic Complexes Containing a Pendant Amino Group. Copper(II), Nickel(II), and Cobalt(III) Complexes of 5‐Aminomethyl‐2,5,10‐12‐tetramethyl‐1,4,8,11‐tetraazacyclotetradecane (L) and X‐Ray Structural Characterization of the Cobalt(III) Complex (Co(L)Cl) (ClO4)Cl·EtOH.
Authors: HAY R. W. , PUJARI M. P. , KORYBUT‐DASZKIEWICZ B. , FERGUSON G. , RUHL B. L.
Published: May 2016

The title ligand, prepared by using a published method starting with a cyclam Ni complex, reacts with CoCl2 in MeOH to give an aquo‐Co(III) complex of the macrocyclic ligand which is converted into (I) by conc.
ChemInform Abstract: Nickel Complexes Containing Sterically Demanding Thiolate Ligands: (Ni8S(SC4H9)9)‐, a Mixed‐Valence Nickel Sulfide Thiolate Cluster, and (Ni4(SC3H7)8), a Homoleptic Nickel Thiolate.
Authors: KRUEGER T. + , KREBS B. , HENKEL G.
Published: May 2016

The title complexes (III) and (VI) containing only sulfur ligands in their coordination sphere are crystallographically characterized ((III): space group P1, Z=4; (VI): P2/n, Z=2).
ChemInform Abstract: Stepwise Dehydrogenation of a Ru(III) Hexaamine Cage Complex to a Hexaimine Ru(II) Complex via Ru(IV) Intermediates.
Authors: BERNHARD P. , SARGESON A. M.
Published: May 2016

The Ru(II) cage complex (Ia) oxidizes readily to the Ru(III) complex (Ib).
ChemInform Abstract: Synthesis of Novel Labile Rotenoids with Unnatural trans‐B/C Ring Systems.
Authors: BEGLEY M. J. , CROMBIE L. , HADI A. H. A. , JOSEPHS J. L.
Published: May 2016

Aiming for a suitable reduction method which transforms the 6a,12a dehydro precursors, e.g. (I), to the cis‐fused rotenoids, it is found that under the reaction conditions shown in the scheme the unstable, unnatural trans‐fused products, e.g. (II) (X‐ray analysis: triclinic; Z=2) are formed.
ChemInform Abstract: Total Synthesis of Boromycin.
Authors: WHITE J. D. , AVERY M. A. , CHOUDHRY S. C. , DHINGRA O. P. , GRAY B. D. , KANG M. , KUO S. , WHITTLE A. J.
Published: May 2016

Coupling of the synthons (IV) and (VII) and subsequent work‐up affords the boromycin precursor (IXa).
ChemInform Abstract: Enzymatic Syntheses of Selectively Protected Glycals.
Authors: HOLLA E. W.
Published: May 2016

The selective acylation of glycals (III) and (VII), which can only be achieved with difficulty by other procedures, can be accomplished by treatment with a vinyl ester in the presence of one of various commercially available lipases (13 syntheses are described overall).
ChemInform Abstract: Plasma Deposited Silicon Nitride for Indium Phosphide Encapsulation.
Authors: VALCO G. J. , KAPOOR V. J. , BIEDENBENDER M. D. , WILLIAMS W. D.
Published: May 2016

Applying XPS and AES the composition and annealing characteristics of plasma deposited silicon nitride encapsulation films on ion implanted InP are investigated.
ChemInform Abstract: Anomalous High Photocurrents Observed in p‐Type Silicon Electrodes Having High Electric Resistivities.
Authors: DOUSHITA H. , MATSUMURA M. , TSUBOMURA H.
Published: May 2016

Very high photocurrent densities of up to 80 mA/cm2, observed at H2‐evolving p‐Si electrodes having high electric resistivity under AM1 (100 mW/cm2) illumination, are caused by the electron injection from the back side metal into the conduction band of p‐Si.
ChemInform Abstract: Formation Process of Aluminosilicate Ceramics
Authors: MASLENNIKOVA G. N. , KONESHOVA T. I.
Published: May 2016

Review: (36 refs.
ChemInform Abstract: Investigation of Inorganic Non‐Stoichiometric Compounds. Part 35. Reduction of Block Structures by Heating with the Electron Beam. In situ Investigation of a Topotactic Reaction in the System Nb2O5/WO3.
Authors: MUELLER J.‐H. + , GRUEHN R.
Published: May 2016

In quenched samples of the starting composition Nb2O5:WO3 ≈ 1:1, containing areas with large blocks of (5 · n) M‐O octahedra (n = 6‐9, M: Nb, W), a structural change is observed upon high resolution transmission electron microscopic studies at high radiation intensity.
ChemInform Abstract: Low‐Temperature Sintering and Gas Desorption of Gold Ultrafine Powders.
Authors: SAKKA Y. , UCHIKOSHI T. , OZAWA E.
Published: May 2016

BET specific surface area measurements, dilatometric measurements, and SEM observations are used for the determination of the sintering characteristics of ultrafine gold powders at low temperatures.
ChemInform Abstract: Electron Paramagnetic Resonance and Static Magnetic Susceptibility Investigations of Solid Solutions of Manganese in β‐Rhombohedral Boron
Authors: TSISKARISHVILI G. P. , LUNDSTROEM T. + , LUNDGREN L. , TSAGAREISHVILI G. V. , TSIKARIDZE D. N. , TAVADZE F. N.
Published: May 2016

are performed in the temp. range 3.6‐300 K for samples containing 0.03‐1.82 at.% Mn.
ChemInform Abstract: Formation of NaCl‐ and Cu2O‐Type Oxides of Platinum and Palladium on Carbon and Alumina Support Films.
Authors: KUMAR J. , SAXENA R.
Published: May 2016

It is found that vacuum deposition of thin films of Pt and Pd on carbon and alumina supports (350‐400 °C, 10‐5 torr) yields not only metallic particles but also new cubic oxides, namely PtO, PdO (NaCl‐type, Fm3m, Z=4), Pt2O, and Pd2O (Cu2O‐type, Pn3m, Z=2).
ChemInform Abstract: 1,2‐Dihydroisoindolines from Intramolecular (4 + 2)Cycloaddition of N‐Allyl‐2‐furfurylamine Halohydrates.
Authors: HERNANDEZ J. E. , FERNANDEZ S. , ARIAS G.
Published: May 2016

Treatment of the allylfurfurylamines (I) with gaseous hydrogen chloride results in an intramolecular Diels‐Alder reaction, producing the intermediate tricyclic ammonium chlorides (II) which rearrange under loss of water, forming the isoindolinium salts (III).
ChemInform Abstract: Thermolysis of Methylanisoles.
Authors: MASUKU C. P. , VUORI A. I.
Published: May 2016

The major products of the thermolysis of (I) are formed via cleavage of the methyl C‐O‐bond (demethylation) or via ipso substitution to give (II) or (III) and (IV), respectively.
ChemInform Abstract: Hydrobromic Acid and Hydrogen Peroxide in Dimethyl Sulfoxide: A Novel Convenient Reagent for the Oxidation of Stilbenes to 1,2‐Diaryl‐1,2‐ethanediones.
Authors: YUSUBOV M. S. , FILIMONOV V. D.
Published: May 2016

Direct oxidation of the trans‐stilbenes (I) to the desired 1,2‐diketones (II) is achieved in high yields by a novel procedure using H2O2 in the presence of conc.
ChemInform Abstract: Ruthenium‐Catalyzed Oxidation of Alkanes with Alkyl Hydroperoxides.
Authors: LAU T.‐C. , CHE C.‐M. , LEE W.‐O. , POON C.‐W.
Published: May 2016

Oxidation of cyclohexane (I) with tert‐butyl hydroperoxide in the presence of a Ru(II) catalyst yields cyclohexanol (II) and cyclohexanone (III).