bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis of Substituted Dibenzophospholes. Part 8. Synthesis and Resolution of Atropisomers of a 4,6‐Diaryldibenzophosphole.
Authors: CORNFORTH J. , HUGUENIN L. M. , WILSON J. R. H.
Published: May 2016

Regiospecific replacement of the 4''‐ and 6'‐nitro groups in the tetranitroquaterphenyl (I) by isopropyloxy groups is effected in two ways; the resulting product (V) is converted to a separable mixture of the two cyclic phosphinic meso esters (VIII) and (IX) and the racemic ester (X); the latter is resolved on a chiral HPLC column.
ChemInform Abstract: Synthesis, Properties, and Multinuclear (1H, 13C, 77Se) Magnetic Resonance Studies of the Hybrid Selenide Ligands o‐C6H4(SeMe)Y (Y: NMe2, PMe2, AsMe2, SbMe2, OMe, and SMe).
Authors: HOPE E. G. , KEMMITT T. , LEVASON W.
Published: May 2016

The title compounds (III) are prepared as shown.
ChemInform Abstract: Reactions of Carbon Monoxide with Trimethylsilyl and Tris(trimethylsilyl)silyl Derivatives of Group 4 Metals. Synthesis, Characterization, and Reactivity of Silaacyl Complexes.
Authors: CAMPION B. K. , FALK J. , TILLEY T. D.
Published: May 2016

The new silyl derivatives (Ia)‐(Id) are prepared by reaction of the trisilylsilyl‐Li compound (III) with the appropriate metal halides (IIa)‐(IId).
ChemInform Abstract: Synthesis and Characterization of Monocyclopentadienyl Niobium Derivatives. X‐Ray Crystal Structure of Di‐μ‐chloro‐μ‐oxo‐bis(dichloro(η‐trimethylsilylcyclopentadienyl)niobi# um(V)), ((Nb(η‐C5H4SiMe3)Cl2)2(μ‐O)(μ‐Cl)2).
Authors: ANDREU A. M. , JALON F. A. , OTERO A. , ROYO P. , MANOTTI LANFREDI A. M. , TIRIPICCHIO A.
Published: May 2016

The complexes (I) are hydrolyzed to give the dimers (II), which are stable under a dry atmosphere, but are transformed by prolonged hydrolysis or long exposure to air into (III).
ChemInform Abstract: Synthesis, Reactions, and Dynamic NMR Studies of η2‐Vinyl Complexes of Tungsten, (W(η3‐C(CF3)C(CF3)(SR))(CF3CCCF3)(η5‐C5H5)) (R: Me, Et, nPr, iPr, or tBu).
Authors: CARLTON L. , DAVIDSON J. L.
Published: May 2016

Reactions of the hexafluorobut‐2‐yne complex (I) with Tl(I) thiolates (II) give the bis‐alkyne derivative (III) or the isomeric η2‐vinyl complexes (IV), resulting from migration of the SR ligand to a bridging mode between the metal and a fluorocarbon ligand.
ChemInform Abstract: Transition‐Metal Mediated Asymmetric Synthesis. Part 5. Alternative Methods for the Formation of Tricarbonyl(η5‐cyclohexadienyl)iron(1+) Salts.
Authors: ALEXANDER R. P. , STEPHENSON G. R.
Published: May 2016

The influence of substituents on the preparation of the title complexes by oxidation using Tl(III) or by hydride abstraction using DDQ‐HBF4 is examined.
ChemInform Abstract: An Iron(III) Porphyrin That Exhibits Minimal Dimerization in Aqueous Solution.
Authors: HAMBRIGHT P. , TURNER A. , COHEN J. S. , LYON R. C. , KATZ A. , NETA P. , ADEYEMO A.
Published: May 2016

The free porphyrin base reacts with a large excess of Cd nitrate in water to preform the Cd complex which is transmetallated by warming the solution with excess FeCl2 (40 °C, 20 min) to give the title compound (I) (no yield given).
ChemInform Abstract: Oxidation of L‐Ascorbic Acid by Trisoxalatoferrate(III) in Aqueous Solution. Kinetic and Spectroscopic Evidence for the Formation of an Intermediate Species.
Authors: MARTINEZ P. , ZULUAGA J. , URIBE D. , VAN ELDIK R.
Published: May 2016

Kinetic and absorption spectroscopic data show that an unstable intermediate Fe(III) oxalate‐ascorbate species is formed during the oxidation process.
ChemInform Abstract: catena‐Bis(benzenesulfonato)bis(ethanol)cobalt(II): Preparation, Properties and Crystal Structure.
Authors: GUERRERO‐LAVERAT A. , RAMIREZ A. , JERONIMO A. , SANTOS A. , FLORENCIO F. , MARTINEZ‐CARRERA S. , GARCIA‐BLANCO S.
Published: May 2016

The title compound (I) is obtained from anhydrous bis(benzenesulfonato)‐Co in abs.
ChemInform Abstract: Dicopper(II) Complexes of a 28‐Membered N8 Macrocycle. Evidence for Proton Transfer from Coordinated Secondary Amine to Thiocyanate, Leading to Formation of an Isothiocyanic Acid Complex.
Authors: DREW M. G. B. , MURPHY B. P. , NELSON J. , NELSON S. M.
Published: May 2016

Schiff‐base template condensation of 2,6‐diacetylpyridine with 3,3'‐diaminodipropylamine on Ag+, Pb2+, Ca2+ or Sr2+ led to binuclear Ag and Pb and mononuclear Ca and Sr complexes such as (III) or (IV) of the 28‐membered ligand (I).
ChemInform Abstract: Binuclear Dirhodium(I) Complexes with Phenyl(2‐pyridyl)amido Ligands. Crystal and Molecular Structure of ((Rh(μ‐N,N′‐PhNPy)(nbd))2)·H2O (nbd: 2,5‐norbornadiene).
Authors: LAHOZ F. J. , VIGURI F. , CIRIANO M. A. , ORO L. A. , FOCES‐FOCES C. , CANO F. H.
Published: May 2016

The binuclear amido‐Rh(I) complexes (I) are obtained by 2:1 molar reaction of the Li derivatives of the 2‐anilinopyridine ligands with the appropriate dimer (RhClL1L2)2 and are characterized by analytical and spectroscopic (1H NMR, IR) methods.
ChemInform Abstract: Interaction of (dien)Pd(II) Complexes with the Amino Group of Cytidine: a Kinetic and NMR Study.
Authors: MENARD R. , PHAN VIET MINH TAN PHAN VIET MINH TAN , ZADOR M.
Published: May 2016

The interaction between cytidine (I) and (dien)Pd(II) (dien: diethylenetriamine) at high pH is studied.
ChemInform Abstract: Trinuclear Osmium Clusters Containing Bidentate Ph2PCH2PPh2 and Me2PCH2PMe2 Ligands: X‐Ray Crystal Structures of the Complexes (Os3H(CO)9(Me2PCHPMe2)) and (Os3H(OH)(CO)8(Ph2PCH2PPh2)).
Authors: HODGE S. R. , JOHNSON B. F. G. , LEWIS J. , RAITHBY P. R.
Published: May 2016

The diphosphine clusters (Ia) react with trimethylamine N‐oxide in acetonitrile solution to give the acetonitrile derivatives (Ib).
ChemInform Abstract: Mixed‐Bridged Bimetallic d8 Complexes. Crystal and Molecular Structure of (η3‐C3H5)Pd(μ‐pz)(μ‐N3)Rh(CO)2, Heterobinuclear Complex with Extended Rh···Rh Interactions.
Authors: CANO F. H. , FOCES‐FOCES C. , ORO L. A. , PINILLOS M. T. , TEJEL C.
Published: May 2016

The title complexes (II), (IV) and (V) are prepared according to the scheme.
ChemInform Abstract: Synthesis of Phthalimid‐3‐yl and ‐4‐yl Aminoethylenes and Pyrroloquinolines and a Study of Their Fluorescence Properties.
Authors: RANGNEKAR D. W. , RAJADHYAKSHA D. D.
Published: May 2016

3‐Amino‐ (I) and 4‐amino‐N‐phenylphthalimides (V) undergo condensation reactions with the compounds (II), yielding the aminoethylenes (III) and (VI) respectively.
ChemInform Abstract: New Terpenic Synthons: Methyl α‐ and γ‐Dithiocyclogeranates.
Authors: GOSSELIN P.
Published: May 2016

The γ‐dithiocyclogeranates (IV) are obtained by rearrangement of the tosylhydrazones (III) upon treatment with sodium hydride.
ChemInform Abstract: Intramolecular Functionalization of N‐Cyanamide Radicals: Synthesis of 1,4‐ and 1,5‐N‐Cyanoepimino Compounds.
Authors: CARRAU R. , HERNANDEZ R. , SUAREZ E. , BETANCOR C.
Published: May 2016

Photolysis of various cyanamides such as (I), (IV) or (VI) in the presence of iodine and an oxidizing agent leads to neutral cyanimyl radicals which undergo intramolecular hydrogen abstraction to produce the N‐cyanoepimino compounds (III), (V) or (VIII).
ChemInform Abstract: A Short, Stereoselective Route to 16α‐(Substituted‐Alkyl)estradiol Derivatives.
Authors: FEVIG T. L. , KATZENELLENBOGEN J. A.
Published: May 2016

Alkylation of the protected estrone derivatives (I) with several activated electrophiles produces the 16α‐substituted estrone ethers (II).
ChemInform Abstract: Cobalt‐Mediated Cyclization of Amino Acid Derivatives. Application to the Kainoids.
Authors: BALDWIN J. E. , LI C.‐S.
Published: May 2016

Cyclization of the unsaturated iodocarbamate (IV), prepared from the epoxy alcohol (II), yields the pyrrolidines (V) which are converted to (‐)‐α‐kainic acid (VIa) and (+)‐α‐allokainic acid (VIb).
ChemInform Abstract: A Simple Synthesis of Aaptamine, a 1H‐Benzo(de)(1,6)naphthyridine Alkaloid.
Authors: BASSOLI A. , MADDINELLI G. , RINDONE B. , TOLLARI S. , CHIOCCARA F.
Published: May 2016

The aldehyde (I) is coupled with nitromethane (II) and then dehydrated to produce the nitroalkene (IV).
ChemInform Abstract: Stereoselective Synthesis of Octadecapolyenoic Esters as Insecticides.
Authors: TSUBOI S. , WU X. H. , MAEDA S. , ONO S. , KURODA A. , KAWAZU K. , TAKEDA A.
Published: May 2016

The racemic ester (VII) is synthesized starting from the reaction between the ester (I) and the orthoester (II).
ChemInform Abstract: Highly Chemo‐, Regio‐, and Stereoselective Introduction of a cis‐Double Bond into a Thia‐Analogue of Stearic Acid.
Authors: BUIST P. H. , DALLMANN H. G. , RYMERSON R. T. , SEIGEL P. M.
Published: May 2016

The thiastearic acid (III) is prepared from 4‐bromobutyric acid (Ia) as shown in the reaction scheme.
ChemInform Abstract: Comparison and Discussion of Some Theories of the Equilibrium Electrical Double Layer in Liquid Electrolytes
Authors: MACDONALD J. R.
Published: May 2016

Review: (52 refs.
ChemInform Abstract: Impedance Spectroscopy and Its Use in Analyzing the Steady‐State AC Response of Solid and Liquid Electrolytes
Authors: MACDONALD J. R.
Published: May 2016

Review: (67 refs.
ChemInform Abstract: Structure, Properties, and Applications of Heteropoly Compounds
Authors: LUNK H.‐J. , SCHOENHERR S. +
Published: May 2016

Review: (survey of the field of heteropolyanion compounds and of heteropolycation compounds; 142 refs.
ChemInform Abstract: Binary Alloy Systems at High Pressure
Authors: CLARK J. B. , THOMAS M. E. , RICHTER P. W.
Published: May 2016

Review: (brief review of research highlights on the composition‐temp.‐pressure phase relations of binary metal systems, including a short discussion of the experimental apparatus, a review of selected systems which demonstrate common trends and a discussion of the coupling of high pressure composition‐temp.
ChemInform Abstract: The Ground‐State Potential Energy Surface of Diazene
Authors: JENSEN H. J. AA. , JOERGENSEN P. , HELGAKER T.
Published: May 2016

has been studied by using a complete active space MCSCF wave function generated by distributing eight electrons among eight orbitals.
ChemInform Abstract: Dealumination of Sodium Y Zeolite with Hydrochloric Acid
Authors: LEE E. F. T. , REES L. V. C.
Published: May 2016

provides a simple method of producing zeolites with the desired Al deficiency.
ChemInform Abstract: The Phase Transitions of the Oxide Fluorides A3TiOF5 and A3MO2F4 (A: K, Rb, Cs; M: Nb, Ta).
Authors: FOUAD M. , CHAMINADE J. P. , RAVEZ J. , HAGENMULLER P.
Published: May 2016

For the title compounds, prepared as outlined in the scheme, one or two phase transitions are detected.
ChemInform Abstract: Growth, Corrosion, and Capacity of Copper Oxide Films Investigated by Pulse Techniques.
Authors: LOHRENGEL M. M. , SCHULTZE J. W. , SPECKMANN H. D. , STREHBLOW H.‐H.
Published: May 2016

The potentiostatic formation of anodic copper oxides and their reduction are investigated by using a novel computer‐assisted pulse technique.
ChemInform Abstract: Cation Exchange on Oxide Surfaces as Influenced by Surface Hydration Phenomena. Part 1. Alkali Metal Ions on Silica.
Authors: PESCHEL G. , LUDWIG P.
Published: May 2016

The ion exchange equilibrium between the alkali metal ions (Li+‐Cs+) and protons at a silica surface at different electrolyte concentrations is studied by a titration method.
ChemInform Abstract: Rates of Oxidation of Selected Actinoids by Cl‐ 2.
Authors: LIERSE C. , SULLIVAN J. C. , SCHMIDT K. H.
Published: May 2016

U(V), Np(V), Pu(III), and Am(III) are oxidized by the Cl2‐ radical (in situ generated by pulse radiolysis of aqueous NaCl solutions) according to equations A‐D. The mechanism for the oxidation reactions A and B is discussed in terms of the Marcus theory.
ChemInform Abstract: Chemical Vapour Deposition of Zirconia from ZrCl4‐H2‐CO2‐Ar Gas Mixture. Part 2. An Experimental Approach.
Authors: MINET J. , LANGLAIS F. , NASLAIN R.
Published: May 2016

On the basis of the high activation energy of about 100 kcal mol‐1 exhibited by the deposition rate between 900‐1000 °C, a kinetic process controlled by chemical reactions is assumed, the limiting step being probably the water formation reaction.
ChemInform Abstract: Comparison of Reactivity Based on Intercalation and Host Lattice Reconstruction. Two Routes for the Conversion of the Lamellar Solid Hydrogen Uranyl Phosphate to a Lamellar Hydrate of Uranyl Phosphate.
Authors: ROSENTHAL G. L. , ELLIS A. B.
Published: May 2016

It is demonstrated, that hydrogen uranyl phosphate, (II), can be quantitatively converted by either the intercalative ion‐exchange reaction A or by thermal decomposition (reaction B) to a common lamellar hydrate of uranyl phosphate (III).
ChemInform Abstract: Photochemical Formation of Colloidal Metals.
Authors: YONEZAWA Y. , SATO T. , OHNO M. , HADA H.
Published: May 2016

Colloidal silver and gold have been prepared by photolysis (253.7 nm irradiation) of AgClO4 and HAuCl4 solutions in the presence of protective agents such as sodium dodecylsulfate, ‐alginate, and colloidal silica.
ChemInform Abstract: Electronic and Magnetic Circular Dichroism Spectra of Pentacoordinate Nitrosylhemes in Cytochromes c′ from Nonphotosynthetic Bacteria and Their Model Complexes.
Authors: SUZUKI S. , YOSHIMURA T. , NAKAHARA A. , IWASAKI H. , SHIDARA S. , MATSUBARA T.
Published: May 2016

The nitrosylcytochromes c' isolated from Alcaligenes sp.
ChemInform Abstract: Unusual Orientation of Axial Ligands in Metalloporphyrins. Molecular Structure of Low‐Spin Bis(2‐methylimidazole)(meso‐tetraphenylporphinato)iron(III) Perchlorate.
Authors: SCHEIDT W. R. , KIRNER J. F. , HOARD J. L. , REED C. A.
Published: May 2016

The title complex (I) (preparation described) crystallizes as its THF solvate in the space group C2/c with Z = 8. Solid state magnetic susceptibility data have been measured from 6K to room temp. for the THF and CHCl3 solvates.
ChemInform Abstract: The Role of Proline in the Asymmetric Step of the Woodward Synthesis of Erythromycin.
Authors: AGAMI C. , PLATZER N. , PUCHOT C. , SEVESTRE H.
Published: May 2016

The (S)‐proline‐catalyzed intramolecular aldol reaction of the keto aldehyde (±)‐(I) leads to recovery of the less reactive enantiomer (‐)‐(I) and the formation of the cyclization product (‐)‐(II).
ChemInform Abstract: Synthesis and Cycloaddition Reactions of Homoadamantano(4,5‐c)cyclopentadienones. A Facile Route to (4,5)‐Fused Homoadamantanobenzene Derivatives.
Authors: EGUCHI S. , ISHIURA K. , NODA T. , SASAKI T.
Published: May 2016

The cyclopentadienones (IV) mentioned in the title are obtained by base‐catalyzed reaction of the homoadamantanedione (I) with the ketones (II).
ChemInform Abstract: Intramolecular Formal Iron‐Catalyzed Ene Reactions: New and Highly Stereoselective Iron‐Catalyzed Carbocyclizations of Triene Ethers.
Authors: TAKACS J. M. , ANDERSON L. G.
Published: May 2016

The fact that acyclic triene ethers undergo new iron‐catalyzed carbocyclization reactions at ambient temp. with high cis or trans simple diastereoselectivity and with high stereoinduction by a resistent noncoordinating chiral center is shown for the examples (I), (IV) and (VI).
ChemInform Abstract: The Intramolecular Cation Radical Diels‐Alder Reaction.
Authors: HARIRCHIAN B. , BAULD N. L.
Published: May 2016

The dienealdehyde (I) undergoes Wittig reaction with (II) to form the isomeric trienes (III) and (IV).
ChemInform Abstract: The Metal‐Promoted Fries Rearrangement.
Authors: MILLER J. A.
Published: May 2016

Upon reaction with sec‐butyllithium, the o‐bromophenyl esters (I) undergo an intramolecular ortho‐specific acyl migration, producing the corresponding o‐hydroxy ketones (II) after hydrolysis.
ChemInform Abstract: Excited‐State Behavior of Phenylethynyldisilanes: An Intramolecular Charge‐Transfer Emission.
Authors: SHIZUKA H. , OKAZAKI K. , TANAKA H. , TANAKA M. , ISHIKAWA M. , SUMITANI M. , YOSHIHARA K.
Published: May 2016

Photochemical and photophysical properties of the phenylethynyldisilanes (I)‐(III) in methylcyclohexane/isopentane (3:1 v/v) are studied by means of ps and ns spectroscopy along with steady‐state experiments.
ChemInform Abstract: Photosubstitution Reactions of Ruthenium(II) Polypyridyls at High Pressures.
Authors: FETTEROLF M. L. , OFFEN H. W.
Published: May 2016

The photosubstitution reactions of the complexes (I) are monitored by loss of luminescence intensity in acetonitrile at 1 atm and 300 MPa and 15, 25 and 60 °C. It is seen that pressure strongly reduces the photoreaction rate and that increasing temp. enhance this pressure effect.
ChemInform Abstract: Perchloro‐7H‐cycloprop(a)acenaphthylene and the Perchlorophenalenyl System.
Authors: HADDON R. C. , CHICHESTER S. V. , STEIN S. M. , MARSHALL J. H. , MUJSCE A. M.
Published: May 2016

Reaction of the perchloroacenaphthylene (I) with Seyferths reagent (II) produces the perchlorocyclopropacenaphthylene (III) which is converted to the radical (V).
ChemInform Abstract: Isoxazoline Oxidation. An Efficient Method for the Preparation of α,β‐Unsaturated Carbonyl Compounds.
Authors: PADWA A. , KLINE D. N. , PERUMATTAM J.
Published: May 2016

The isoxazolines (III), prepared from the nitrones (I) and the electron‐deficient alkynes (II), are oxidized with peracid to yield the unsaturated ketones (IV).
ChemInform Abstract: Nitrocyclohexadienones: A New Class of Nitrating Agents.
Authors: LEMAIRE M. , GUY A. , ROUSSEL J. , GUETTE J.‐P.
Published: May 2016

The nitrocyclohexadienones (I)‐(III) are prepared with 52‐90% yield by nitration of the corresponding phenols and tested as new nitrating reagents.
ChemInform Abstract: Desilylative Nitration of Alkyl‐ and Allylsilanes with Nitronium Salts.
Authors: OLAH G. A. , ROCHIN C.
Published: May 2016

The methylsilanes (I) react with nitronium tetrafluoroborate (II), producing nitromethane (III) and the fluorosilanes (IV).
ChemInform Abstract: Uranium‐Mediated Methylenation of Carbonyl Compounds.
Authors: DORMOND A. , EL BOUADILI A. , MOISE C.
Published: May 2016

The carbonyl compounds (I) react with the uranium metallacycle (II), producing the methylene derivatives (III).
ChemInform Abstract: C‐Centred Optically Active Organosilanes. Part 2. Application to Enantioselective Allylation of Carbonyl Compounds.
Authors: COPPI L. , MORDINI A. , TADDEI M.
Published: May 2016

The optically active silyl chloride (I) reacts with allylmagnesium bromide to form the allylic silane (III).
ChemInform Abstract: Nucleophilic Substitutions and Eliminations of Amino Functions via Pyrimidinium Salts.
Authors: SPITZNER R. , LESINSKI M. , RICHTER M. , SCHROTH W.
Published: May 2016

Reaction of the thiazinethione (I) with the amines (II) gives under ring transformation the pyrimidinethiones (III), which are converted to the pyrimidinium salts (V) and (VI).
ChemInform Abstract: Ruthenium‐Catalyzed Synthesis of Vinyl Carbamates from Carbon Dioxide, Acetylene, and Secondary Amines.
Authors: SASAKI Y. , DIXNEUF P. H.
Published: May 2016

Acetylene (III) reacts with carbon dioxide (II) and the secondary amines (I) in the presence of ruthenium(III) chloride to give the vinyl carbamates (IV) in a one‐step reaction.
ChemInform Abstract: Halide Exchange Reactions between Aryl Halides and Alkali Halides Catalyzed by Nickel Metal.
Authors: YANG S. H. , LI C. S. , CHENG C. H.
Published: May 2016

The Finkelstein‐type halide exchange reaction of the aryl chlorides and bromides (I) with potassium iodide is catalyzed by nickel powder.
ChemInform Abstract: Organocerium Additions to SAMP‐Hydrazones: General Synthesis of Chiral Amines.
Authors: DENMARK S. E. , WEBER T. , PIOTROWSKI D. W.
Published: May 2016

A new method is presented for the preparation of amines in optically active form.
ChemInform Abstract: 5‐Methylisophthalaldehyde (Uvitaldehyde) from Acyclic Unsaturated Alcohols Under Vilsmeier Reaction Conditions.
Authors: SREENIVASULU M. , RAO M. S. C. , RAO G. S. K.
Published: May 2016

The Vilsmeier reaction of the unsaturated alcohol (I) leads to formation of the title aldehyde (II).
ChemInform Abstract: Chlorobenzenedicarboxaldehyde and Chlorobenzenetricarboxaldehyde from Cyclohexenones Under Vilsmeier Reaction Conditions.
Authors: RAJU B. , RAO G. S. K.
Published: May 2016

The isomeric cyclohexenone mixtures (I)/(II), (VII)/(VIII) or (X)/(XI), obtained by Birch reduction of the corresponding methyl ether, are subjected to Vilsmeier reaction conditions.
ChemInform Abstract: Reaction of O‐Benzyl‐N‐methylenehydroxylamine with Organolithium Compounds, a CH2+‐NH+ Synthetic Equivalent.
Authors: BASHA A. , BROOKS D. W.
Published: May 2016

Addition of organolithium compounds (II) to O‐benzyl‐N‐methylenehydroxylamine (I) followed by substitution of the benzyloxy group by (IIa) or (IIc) gives the intermediate lithium amides (III) which react with the halides (IV), producing the tertiary amine (Va) or the amides (Vb) ‐ (Ve).
ChemInform Abstract: Ultrasounds in Synthetic Reactions. Part 4. Ullmann‐Type Coupling Reaction of Aryl Trifluoromethanesulfonates Catalyzed by Low Valent Nickel Complexes.
Authors: INOUE Y. , YAMASHITA J. , KONDO T. , HASHIMOTO H.
Published: May 2016

In the Ullmann‐type homocoupling of various arylsulfonates to yield biaryls (II) the trifluoromethanesulfonates (I) give much better results than the corresponding methanesulfonates and p‐toluenesulfonates.
ChemInform Abstract: Synthesis of Broparestrol Using Palladium‐Catalyzed Cross‐Coupling.
Authors: AL‐HASSAN M. I.
Published: May 2016

The palladium‐catalyzed cross‐coupling reaction of diphenylacetylene (I) with the ethylbromobenzene (II) and diisobutylaluminum hydride (III) yields the triarylethylene (IV), which is also synthesized from bromodiphenylethylene (V) and p‐ethylphenylzinc chloride (VI).
ChemInform Abstract: The Effect of Strain on the Tropone Ring (3)‐ and (5)(2,7)Troponophanes.
Authors: MAZAKI Y. , FUJISE Y. , FUKAZAWA Y. , ITO S.
Published: May 2016

The dienones (II) are obtained by oxidation of the bicyclic ketones (I) with DDQ.
ChemInform Abstract: Synthesis and Intramolecular Diels‐Alder Reaction of 4‐Trimethylsilyloxy‐1,3,8‐nonatriene.
Authors: TAKAKI K. , YAMADA M. , OHSUGI M. , NEGORO K.
Published: May 2016

The title compound (III) is prepared in two different ways as shown in the reaction scheme, starting from 4‐vinyl‐1,6‐heptadiene‐4‐ol (I).
ChemInform Abstract: Cyclization of 2′‐Bromodeoxybenzoins: A New Synthesis of 2‐Phenylbenzofurans.
Authors: GRIMSHAW J. , THOMPSON N.
Published: May 2016

Copper bronze‐promoted cyclization of the 2'‐bromodeoxybenzoins (I) produces the 2‐arylbenzofurans (II).
ChemInform Abstract: Studies on Dibenzofuran and Its Derivatives. Part 29. Nitration of Dibenzofuran.
Authors: KEUMI T. , TAKAHASHI H. , MORITA T. , KITAJIMA H.
Published: May 2016

The distribution of products in the nitration of dibenzofuran (I) is examined under 35 different reaction conditions.
ChemInform Abstract: Dioxopyrrolines. Part 37. Stereochemical Pathways of Dioxopyrroline‐ Olefin Photocycloaddition. Stereochemical Selection Rule for the Photocycloaddition of Enone‐Olefin Pairs.
Authors: SANO T. , HORIGUCHI Y. , TSUDA Y.
Published: May 2016

An empirical rule for the stereoselectivity of the photolytic cycloaddition reaction of alkenes with the pyrroledione (II) is deduced using the deuterated styrenes (I).
ChemInform Abstract: Synthesis of Podophyllotoxin and Related Analogues. Part 3. Synthesis of β‐Apopicropodophyllin Analogues with Modified Lactone Ring.
Authors: ANJANAMURTHY C. , RAI K. M. L.
Published: May 2016

β‐Apopicropodophyllin (II), a dehydration product of the antitumor agent podophyllotoxin (I) with a manifold higher activity, serves as starting material for the synthesis of the analogues (IV), (VIII), (X) and (XI).
ChemInform Abstract: Synthesis, Separation of Tautomers and Biological Activities of 4,6‐Diaryl‐3‐oxo‐3,3a,4,5‐tetrahydro‐2H‐indazoles.
Authors: JAIN A. C. , MEHTA A. , ARYA P.
Published: May 2016

Successive reaction of the chalcones (I) with the ester (II) and hydrazine hydrate (III) yields tautomeric mixtures which can be separated.
ChemInform Abstract: Unexpected Formation of α‐Thiocyanatoketones in Hantzsch Thiazole Synthesis.
Authors: SINGH S. P. , SEHGAL S. , SINGH L. , DHAWAN S. N.
Published: May 2016

With a view to assessing the potential of thiazole and pyrazole moieties in generating singlet oxygen, which may be the basis of photodynamic properties inhibiting the growth of microorganisms, the synthesis of compound (III) is carried out.
ChemInform Abstract: Heterocyclic Systems Containing Bridgehead Nitrogen Atom: Synthesis of Imidazo(2,1‐b)‐benzothiazoles and Quinoxalino(2′,3′:4,5)imidazo(2,1‐b)benzothiazoles.
Authors: MOHAN J. , ANJANEYULU G. S. R. , ARORA D. R.
Published: May 2016

Title compounds of type (V) (no yields given for (Vb)), (VIII) and (IX) are synthesized as shown in the scheme.
ChemInform Abstract: Novel Thermal Rearrangements of Tetrahydroazirinocyclobutabenzofuran Derivatives.
Authors: KURITA J. , SAKAI H. , YAMADA S. , TSUCHIYA T.
Published: May 2016

Thermolysis of the tetrahydroazirinocyclobutabenzofurans (I), prepared from 1‐benzoxepins, yields the ring transformation products (II) ‐ (IV).
ChemInform Abstract: Electroorganic Chemistry. Part 99. β‐Acetoxylation and β‐Halogenation of N‐Methoxycarbonyl Cyclic Amines.
Authors: SHONO T. , MATSUMURA Y. , ONOMURA O. , OGAKI M. , KANAZAWA T.
Published: May 2016

Anodic oxidation of the nitrogen heterocycles (I) and (VI) gives the α,β‐disubstituted compounds (II) ‐ (V) and (VII).
ChemInform Abstract: Preparation of New Nitrogen‐Bridged Heterocycles. Part 14. Further Investigation of the Desulfurization and the Rearrangement of Pyrido‐(1,2‐d)‐1,3,4‐thiadiazine Intermediates.
Authors: KAKEHI A. , ITO S. , NAGATA K. , KINOSHITA N. , KAKINUMA N.
Published: May 2016

Reaction of the aminopyridinium iodides (I) with the thiocarbonyl compounds (II) produces the pyridinium thiocarbonylaminides (III) which are alkylated to give the pyridinium bromides (V).
ChemInform Abstract: A Novel Reaction of Formaldehyde with Some Diamines.
Authors: BAGGA M. M. , EVERATT B. , HINTON I. G.
Published: May 2016

Reaction of the macrocyclic polyamine (I) with formaldehyde (II) yields the N‐formyl‐N'‐methylhexahydropyrimidine (III) which is also obtained from 1,3‐diaminopropane (IV) and (II).
ChemInform Abstract: Synthesis of Macrocyclic Compounds with Two Different and Separated Coordinating Fragments of the 2,2′‐Dipyridyl and the 2,9‐Diphenyl‐1,10‐phenanthroline Type.
Authors: CHAMBRON J.‐C. , SAUVAGE J.‐P.
Published: May 2016

The desired macrocycles (IXa) and (IXb) are synthesized as shown in the scheme.
ChemInform Abstract: Ruthenium Tetroxide Oxidation of N‐Alkyllactams.
Authors: YOSHIFUJI S. , ARAKAWA Y. , NITTA Y.
Published: May 2016

Oxidation of the N‐alkyllactams (I) with ruthenium tetroxide yields a mixture of the cleavage products (II), the N‐acyllactams (III), and the cycloimides (IV).
ChemInform Abstract: Synthesis and Alkali‐Metal Complexing Abilities of Crown Ether Tertiary Alcohols.
Authors: PUGIA M. J. , KNUDSEN B. E. , CASON C. V. , BARTSCH R. A.
Published: May 2016

The crown ethers (III) and (V) are obtained by coupling the diols (II) and (IV) with the (2‐chloromethyl)oxiranes (I).
ChemInform Abstract: Comparison of the Reactivity of Triethyl Phosphorotrithioite and Triethylphosphite by Synthesis of P‐N Compounds.
Authors: HERRMANN E. , ALBRECHT S. , JOHN A.
Published: May 2016

P(SEt)3 reacts unlike P(OEt)3 with CCl4 and nitrogen containing nucleophiles.
ChemInform Abstract: Isomerization of Aryl Esters of Acids of Pentavalent Phosphorus.
Authors: PETROV K. A. , AGAFONOV S. V. , POKATUN V. P.
Published: May 2016

The aryl phosphinates or phosphonates (I) with at least one free o‐position in the aroxy group rearrange in the presence of a strong base to give the corresponding 2‐hydroxyaryl compounds (II).
ChemInform Abstract: Phosphorus‐Containing Podands. Synthesis of Neutral and Acidic Monopodands from α‐Monophosphinylalkylated Pyrocatechols.
Authors: BOVIN A. N. , DEGTYAREV A. N. , TSVETKOV E. N.
Published: May 2016

The phosphorylated pyrocatechol monoethers (I) react with the ditosylates (II) to give the title compounds (III).
ChemInform Abstract: Acetylene Bis(phosphonous diamides), Bis(phosphonous fluoride amides), and Bis(phosphonous difluoride).
Authors: SVARA J. , FLUCK E. , STEZOWSKI J. J. , MAIER A.
Published: May 2016

The acetylene bis(phosphonous diamides) (Ib)‐(Id), the acetylene bis(phosphonous fluoride amides) (Ie) (for R2: NEt2 yield 80%), and acetylene bis(phosphonous difluoride) (Ig) are prepared according to the scheme starting from the bis(phosphonous diethylamide) (Ia).
ChemInform Abstract: Cyanamidoselenenylation of Alkenes.
Authors: HERNANDEZ R. , LEON E. I. , SALAZAR J. A. , SUAREZ E.
Published: May 2016

Reaction of the alkenes (I) and (VIII) with cyanamide (II) and N‐phenylselenophthalimide (III) produces the β‐phenylselenocyanamides (IV), (V), (IX), and (X).
ChemInform Abstract: Production of Sodium Bis(2‐alkoxyethoxy)aluminum Hydrides.
Authors: TSIOMO S. N. , EFIMOV N. K. , GORBUNOV A. I. , ZUBANOVA V. I. , CHEKMAREVA L. P. , YAZYNENKOVA E. P. , SHVETS V. M.
Published: May 2016

Starting with the glycol ethers (I), hydrogen, sodium, and aluminum, a technical process for the production of a concentrated solution of the title compound (II) in toluene is described.
ChemInform Abstract: Aluminum‐Carbon Bond Reactivity in Geminal Organodialuminum Compounds.
Authors: PASYNKIEWICZ S. , DLUZNIEWSKI T. , SONNEK G.
Published: May 2016

The partial protolysis of the bisalane (IV) with proton donating agents (III) produces mixtures of alanes (I) and (II) or isobutane (V) and the bisalane (VI).
ChemInform Abstract: Reactions of Dialkoxyphosphoryl and Phenylsulfenyl Chlorides, Dithiophosphoric Acids, and S‐Trimethylsilyl Dithiophosphates with p‐Vinylbenzyltrimethylstannane.
Authors: KUTYREV G. A. , KAPURA A. A. , SADYKOVA L. A. , NIKANOROV V. A. , CHERKASOV R. A. , PUDOVIK A. N.
Published: May 2016

The dithiophosphates (II) react with the vinylbenzylstannane (Ia) to give the anti‐Markovnikov adducts (III), whereas the reaction of (IIa) with 4‐methoxystyrene (IV) leads to the formation of the Markovnikov adduct (V).
ChemInform Abstract: Tungsten and Molybdenum 2‐Oxaallyl (η1‐(C)‐Enolate) Complexes: Functional Group Transformations, Photochemical Aldol Reactions, and Alkyne/CO Migratory Insertion Reactions.
Authors: BURKHARDT E. R. , DONEY J. J. , BERGMAN R. G. , HEATHCOCK C. H.
Published: May 2016

The title complexes (III) and (V) are prepared according to the scheme.
ChemInform Abstract: Stepwise Incorporation of a Carbyne Ligand Into Vinylcarbene and Vinylketene Ligands at a Tungsten Center.
Authors: MAYR A. , ASARO M. F. , GLINES T. J.
Published: May 2016

The reaction of the carbyne‐W complex (I) with allyl bromide (II) leads to the formation of the vinylcarbene complex (III).
ChemInform Abstract: Carbon Dioxide Insertion Processes Involving Metal‐Carbon Bonds: Solid‐State and Solution Structure of (Na(18‐crown‐6)) (W(CO)5CH3).
Authors: DARENSBOURG D. J. , BAUCH C. G. , RHEINGOLD A. L.
Published: May 2016

In order to provide mechanistic insight concerning the C‐C bond forming process, the title reaction is investigated with the complexes (I).
ChemInform Abstract: New Mode of Bonding of Bis((diphenylphosphino)methyl)phenylphosphine, dpmp: Synthesis and Structure of a Sterically Crowded, Triply Bonded Dirhenium Complex, (Re2Cl3(dpmp)2)X (X: Cl, PF6).
Authors: COTTON F. A. , MATUSZ M.
Published: May 2016

The reaction of the complex (I) with the title ligand (II) leads to reduction of the quadruple bond and results in the formation of the triply bonded complex (IIIa).
ChemInform Abstract: Synthesis and Reaction Chemistry of an Iron/Pyrrolyl Reagent.
Authors: REAGEN W. K. , RADONOVICH L. J.
Published: May 2016

The title compound (I), prepared previously in a metalatom reactor synthesis, is now synthesized in THF solution from FeCl2 and sodium pyrrolide (reflux, 12 h, N2).
ChemInform Abstract: Stereospecific Binding of rac‐Iron(III) N,N′‐Ethylenebis((5‐bromo‐2‐hydroxyphenyl)glycinate) to the Bilirubin Site on Human Serum Albumin.
Authors: LAUFFER R. B. , VINCENT A. C. , PADMANABHAN S. , MEADE T. J.
Published: May 2016

The racemic (I) and meso (II) forms of the title complex are isolated.
ChemInform Abstract: Synthesis of Aminooxycarbene Complexes of Iron with N‐Alkyl, ‐Allyl, and ‐Carbamoyl Groups.
Authors: JOHNSON L. K. , ANGELICI R. J.
Published: May 2016

The aminooxycarbene ligand of (I) is deprotonated with NaH to give the imidoyl complex (II), whose nitrogen reacts with various organic electrophiles as shown in the scheme (→ (III), (VI), (IX)).
ChemInform Abstract: Coordination Modes of Histidine. Part 10. Iron(III) Tyrosinate Models. Synthesis and Spectroscopic and Stereochemical Studies of Iron(III) Complexes of N‐Salicylidene‐L‐amino Acids.
Authors: CASELLA L. , GULLOTTI M. , PINTAR A. , MESSORI L. , ROCKENBAUER A. , GYOER M. +
Published: May 2016

The iron complexes of type (I) and (II) are prepared by metal ion template condensation of the salicylaldehyde and the amino acids and histamine, respectively.
ChemInform Abstract: Transition Metal Complexes (Et2P(S)NR)M/n, Chelates Containing 4‐Membered Rings and Phosphinothioic‐Organylamidato Ligands.
Authors: FUCHS M. , KUCHEN W. , PETERS W.
Published: May 2016

The title complexes (I) are obtained by reaction of corresponding metal chlorides with Et2P(S)NRLi or by reaction of ZnEt2 with Et2P(S)NHMe.
ChemInform Abstract: The Anisotropy of Intermolecular Interactions, Band Electronic Structure, and Electrical Properties of β‐(ET)2AuCl2.
Authors: EMGE T. J. , WANG H. H. , BOWMAN M. K. , PIPAN C. M. , CARLSON K. D. , BENO M. A. , HALL L. N. , ANDERSON B. A. , WILLIAMS J. M. , WHANGBO M.‐H.
Published: May 2016

The new title compound is prepared by electrocrystallization (Pt electrodes) of bis(ethylenedithio)tetrathiafulvalene (ET) and (NBu4)AuCl2 in THF at 22 °C (20% yield).
ChemInform Abstract: Quino‐2‐cyanines with Phosphorus‐Containing Substituents.
Authors: TOLMACHEV A. A. , KOZLOV E. S. , SLOMINSKII YU. L.
Published: May 2016

Starting with the quinaldinium salts (I), the cyanine dyes (II) are prepared by common methods.
ChemInform Abstract: Asymmetric Alkylations of Glycine Derivatives Using Optically Active Formylcamphors.
Authors: SUZUKI K. , HIRAMI Y. , TANIAI M. , MOHRI T. , GODA C. , FUJIYAMA R. , KIYOOKA S.
Published: May 2016

Alkylation of the chiral enamines (IIIa) ‐ (IIIc) followed by hydrolysis produces the amino esters (Va) ‐ (Ve) in low to moderate optical yields.
ChemInform Abstract: Stereospecific Epimerization, Oxidation and Toxine Rearrangement in Cinchona Alkaloids Catalyzed by Acetic Acid.
Authors: YANUKA Y. , GERYES A. , HELLER M.
Published: May 2016

Treatment of quinidine (I) with anhydrous AcOH (a mixture of glacial AcOH and Ac2O) gives rise to N‐acetyl quinotoxine enol acetates (IIa)/(IIb) whereas the treatment with aqueous AcOH under anaerobic conditions effects an epimerization at C‐9 yielding the desired epi‐quinidine (III); quinotoxine (IV) is additionally formed.
ChemInform Abstract: Furo(3,2‐b)indole Derivatives. Part 5. Synthesis and Structure‐Activity Studies of 4‐Substituted‐2‐(4‐Methylpiperazinylcarbonyl)‐6‐trifluoromethylfuro(3,2‐b)indole Derivatives with Analgesic and Antiinflammatory Activities.
Authors: KAWASHIMA Y. , OKUYAMA S. , SATO M. , HATADA Y. , AMANUMA F. , NAKASHIMA Y. , SOTA K. , MORIGUCHI I.
Published: May 2016

Treatment of the furoindole (I) with halides in DMF in the presence of sodium hydride yields the N‐substituted derivatives (II).
ChemInform Abstract: Chemical Transformation of Protoberberines. Part 11. A Novel Synthesis of 2,3,10,11‐Tetraoxygenated Protoberberine Alkaloids from Corresponding 2,3,9,10‐Tetraoxygenated Protoberberine Alkaloids.
Authors: HANAOKA M. , CHO W. J. , MARUTANI M. , MUKAI C.
Published: May 2016

The chlorides (I), derived from berberine, coptisine, and palmatine, are transformed into tetrahydropseudoberberine (VIa), tetrahydropseudocoptisine (VIb), and (±)‐xylopinine (VIc) as outlined in the reaction scheme.
ChemInform Abstract: A Short and Practical Synthesis of (2S,5S)‐Bishydroxymethyl‐(3R,4R)‐ bishydroxypyrrolidine.
Authors: SHING T. K. M.
Published: May 2016

D‐Mannitol (I) is fully protected and then cyclized with hydrazine, forming the tricyclic pyrrolidine derivative (Va).
ChemInform Abstract: Vinyl Azides in Heterocyclic Synthesis. Part 8. Synthesis of the Naturally Occurring Phosphodiesterase Inhibitors PDE‐I (XIa) and PDE‐II (XIb).
Authors: BOLTON R. E. , MOODY C. J. , REES C. W. , TOJO G.
Published: May 2016

The aldehyde (I), readily available from isovanillin, is converted to the intermediate (VI) which possesses the desired pyrrolo(3,2‐e)indole skeleton.
ChemInform Abstract: Functionalization of the 3β‐Methyl Group of Penicillin.
Authors: BALDWIN J. E. , COBB J. E. , SHEPPARD L. N.
Published: May 2016

The 3β‐hydroxymethyl penicillin (V) is prepared.
ChemInform Abstract: Stereospecific Synthesis of cis‐Pyrethroids by the Cyclopropene Route Using a Carbanionic Synthon. Part 2. Approach to cis‐Chrysanthemic and cis‐Pyrethric Derivatives.
Authors: FRANCK‐NEUMANN M. , MIESCH M. , KEMPF H.
Published: May 2016

The pyrazoles (I), whose synthesis is described in the preceding paper, are photolyzed to give cyclopropene intermediates.
ChemInform Abstract: Catalytic Antibodies.
Authors: JACOBS J. , SCHULTZ P. G. , SUGASAWARA R. , POWELL M.
Published: May 2016

The generation of the catalytic antibody (I), coupled to the carrier proteins bovine serum albumin and keyhole limpet hemocyanin is reported.
ChemInform Abstract: Synthesis and Thermomechanical Properties of Dense Boron Carbide‐Silicon Carbide Composites.
Authors: BOUGOIN M. , THEVENOT F. , DUBOIS J. , FANTOZZI G.
Published: May 2016

By mixing commercial powders of BxC and SiC and sintering without pressure using a carbon additive produced by in situ pyrolysis of a Novolac‐type phenol‐formaldehyde resin ceramics with densities between 93 and 99% of the theoretical density are obtained.
ChemInform Abstract: On the Development of Bioglass Ceramics for Medicinal Purposes
Authors: VOGEL W. , HOELAND W. +
Published: May 2016

Review: (recent advances with 52 refs.
ChemInform Abstract: Microwave Spectrum and Molecular Structure of Aminoborane, BH2NH2.
Authors: SUGIE M. , TAKEO H. , MATSUMURA C.
Published: May 2016

The microwave spectra of five isotopic species of aminoborane, their rotational and centrifugal distortion constants, and the nuclear quadrupole coupling constants of B and N are reported.
ChemInform Abstract: Preparation and Crystal Structures of (Te2Se8)(AsF6)2 (I), (Te4.5Se5.5)(AsF6)2 (II), and (Te2Se6)(Te2Se8)(AsF6)4(SO2)2 (III).
Authors: COLLINS M. J. , GILLESPIE R. J. , SAWYER J. F.
Published: May 2016

The title compounds have been prepared from AsF5, Se, Te, and S using SO2 as solvent (reaction conditions are given).
ChemInform Abstract: Crystal Structure of a New Alkali Metal Digermanate, Na4K2Ge2O7.
Authors: HALWAX E. , VOELLENKLE H. +
Published: May 2016

The title compound has been prepared by reaction of equimolar amounts of NaKGeO3, NaOH, KOH (Ni‐crucible, N2 atmosphere, 450 °C).
ChemInform Abstract: Electronic and Resonance Raman Spectra of Chloro‐Bromo‐Ruthenates(IV), (RuClnBr6‐n)2‐, n = 0‐6,
Authors: VON ALLWOERDEN H. N. + , PREETZ W.
Published: May 2016

have been recorded at 80 K (tetraalkylammonium salts).
ChemInform Abstract: NMR Study of the Molecular Mobility in Ba(NO2)2·H2O.
Authors: LARSSON K. , TEGENFELDT J.
Published: May 2016

Measurements of the 1H relaxation rates as a function of temp. in polycrystalline samples of the title compound and as a function of orientation in single crystals show at least two different dynamical processes to occur.
ChemInform Abstract: Hypochlorite Reduction at GaAs: a Multifaceted Reaction.
Authors: NOTTEN P. H. L.
Published: May 2016

The kinetics of the ClO‐ reduction in the dark and under illumination has been studied at a p‐GaAs rotating electrode by cyclic voltammetry, current transient techniques, and impedance measurements.
ChemInform Abstract: The Electrical Transport Properties of Polycrystalline Chromium Vanadate
Authors: GUPTA S. , YADAVA Y. P. , SINGH R. A.
Published: May 2016

have been studied by measurements of the ac/dc electrical conductivities, thermoelectric power and the dielectric constant in the temp. range 300‐1000 K. CrVO4 is a p‐type semiconductor with an energy gap of 3.6 eV.
ChemInform Abstract: Magnetic Study of Fe3(PO4)O3 with Emphasis on the Effects of Covalency and Frustration.
Authors: GAVOILLE G. , GLEITZER C. , LONG G. J.
Published: May 2016

The recently determined structure of the title compound (space group R3m) indicates the possibility of magnetic frustration.
ChemInform Abstract: Vapor‐Liquid Equilibria in the System TlI‐NdI3.
Authors: KNAPSTAD B. , OESTVOLD T. , OEYE H. A.
Published: May 2016

From total pressure measurements above liquid mixtures of the title system and vapor phase composition studies in the temp. range 950‐1150 K it is confirmed that the complex TlNdI4(g) is formed in the gas phase.
ChemInform Abstract: Adsorption of Water as a Means to Remove Bulk Metastability of CsHSO4 and RbH2PO4.
Authors: BARANOWSKI B. , FRIESEL M. , LUNDEN A.
Published: May 2016

The conditions required for the phase transition of CsHSO4 (333 K) and RbH2PO4 (352 K) have been studied by DSC and TG.
ChemInform Abstract: Effect of the Nature of Platinum Group Metals on the Formation and Properties of Adatom Silver Coatings.
Authors: PODLOVCHENKO B. I. , KOLYADKO E. A.
Published: May 2016

It is shown that on electrolytic deposits of Pt, Pd, Rh and Ir the adsorption of Ag at underpotentials proceeds electrochemically in an irreversible way and that the adsorbed Ag atoms can displace preadsorbed oxygen atoms.
ChemInform Abstract: Characterization of Supported Molybdena Catalysts by SIMS.
Authors: RODRIGO L. , ADNOT A. , ROBERGE P. C. , KALIAGUINE S.
Published: May 2016

It is demonstrated that static SIMS is sensitive to structural changes in SiO2‐ and Al2O3‐supported molybdena phases.
ChemInform Abstract: Dinitrogen Pentoxide. New Synthesis and Laser Raman Spectrum.
Authors: WILSON W. W. , CHRISTE K. O.
Published: May 2016

FNO2 reacts with an excess of LiNO3 to provide pure N2O5 in quantitative yield.
ChemInform Abstract: Preparation of BaPbO3 from Coprecipitated Barium‐Lead Oxalate.
Authors: YAMANAKA A. , MARUYAMA T. , ATAKE T. , SAITO Y.
Published: May 2016

Barium‐lead oxalate, coprecipitated at 310 K from an aqueous 1:1 solution containing Ba2+ and Pb2+ ions, decomposes between 670 and 720 K to give a mixture of BaCO3 and PbO, which forms BaPbO3 starting at 840 K. The perovskite‐type compound is obtained by calcining the coprecipitated oxalate at 1000 K for 50 ks.
ChemInform Abstract: Chlorophyll Model Compounds: Effects of Low Symmetry on the Resonance Raman Spectra and Normal Mode Descriptions of Nickel(II) Dihydroporphyrins.
Authors: BOLDT N. J. , DONOHOE R. J. , BIRGE R. R. , BOCIAN D. F.
Published: May 2016

The resonance Raman spectra with excitation in the B, Qx and Qy absorption regions are reported for a series of the nickel(II) dihydroporphyrins (I) and (II), in which the structural complexities of chlorophyll a (reduced pyrrole ring, isocyclic ring, 9‐keto group and 2‐vinyl group) are systematically added to the basic tetrapyrrole structure.
ChemInform Abstract: Dipolar Relaxations in Glycerol: A Dynamic Fluorescence Study of 4‐2′‐(Dimethylamino)‐6′‐naphthoylcyclohexanecarboxylic Acid (DANCA).
Authors: BISMUTO E. , JAMESON D. M. , GRATTON E.
Published: May 2016

Solvent dipolar reorientations following excitation of DANCA (I) in glycerol at various temp. are investigated using multifrequency‐phase fluorometry.
ChemInform Abstract: Mechanism of Fe+‐Induced Hydrogen Migrations in Gaseous Octyne/Iron(I) Complexes.
Authors: SCHULZE C. , SCHWARZ H. , PEAKE D. A. , GROSS M. L.
Published: May 2016

It is shown from Fe+ reactions with isotopically labeled isomeric 1‐, 2‐, and 3‐octynes that the mechanism is consistent with oxidative Fe+ addition to the propargylic bond, β‐hydrogen transfer, and reductive elimination.
ChemInform Abstract: Identification of the Structural Transition Temperature in the Solutions of Dialkyl Sulfoxides.
Authors: MARKARIAN S. A. , GRIGORIAN K. R. , SIMONIAN L. K.
Published: May 2016

Temp.‐dependent 1H NMR spectra and light‐scattering intensity measurements for solutions of R‐SO‐R in aprotic non‐polar solvents ((2H5)pyridine, NMR, R: ‐Et; toluene, light‐scattering, R: ‐Me, ‐Et, ‐Bu) exhibit a change of slope which is characterized as a structural transition.
ChemInform Abstract: Thermal Decomposition of Energetic Materials. Part 20. A Comparison of the Structural Properties and Thermal Reactivity of an Acyclic and Cyclic Tetramethylenetetranitramine Pair.
Authors: OYUMI Y. , BRILL T. B. , RHEINGOLD A. L.
Published: May 2016

The linear nitramine (I) and its cyclic analogue (II) are compared.
ChemInform Abstract: Liquid Chromatography on Triacetylcellulose. Part 14. Chromatographic Separation of Enantiomers and Barriers to Enantiomerization of Axially Chiral Aromatic Carboxamides.
Authors: CUYEGKENG M. A. , MANNSCHRECK A.
Published: May 2016

The enantiomers (e.g.
ChemInform Abstract: Convergent Functional Groups. Part 3. A Molecular Cleft Recognizes Substrates of Complementary Size, Shape, and Functionality.
Authors: REBEK J. JUN. , ASKEW B. , KILLORAN M. , NEMETH D. , LIN F.‐T.
Published: May 2016

A series of rigid structures (VI) ("molecular clefts") is reviewed and their complexation with a range of aromatic N‐heterocycles such as pyridine, pyrazine, quinoxaline, phenazine, pyrimidine, imidazole, benzimidazole, and purine is studied using NMR.
ChemInform Abstract: Azoalkanes as Electron Donors in Charge‐Transfer Complexes. Molecular Structures with Sacrificial (π*, σ*) and Increvalent (v) Electron Acceptors.
Authors: BLACKSTOCK S. C. , KOCHI J. K.
Published: May 2016

A series of EDA complexes of the azoalkanes (I)‐(IV) with the three unique types of electron acceptors tetracyanoethylene (TCNE) (π*), CBr4 (σ*), and Ag(I) (v) are characterized in solution from their charge‐transfer spectra.
ChemInform Abstract: Indirect Electrochemical Reduction of Some Benzyl Chlorides.
Authors: LUND T. , LUND H.
Published: May 2016

Indirect electrochemical reductions of benzyl chlorides (I) and (II) are investigated by cyclic voltammetry and preparative electrolysis.
ChemInform Abstract: Deamination Reactions. Part 47. Decomposition of 1‐(3‐Hydroxypropyl)cyclopropanediazonium Ions.
Authors: KIRMSE W. , RODE K.
Published: May 2016

Alkaline cleavage of the nitrosocarbamate (II) (no yield given) affords the title diazonium ion type as intermediate.
ChemInform Abstract: Reactions with Aziridines. Part 41. Highly Regioselective (Abnormal) Ring Opening of 1‐Benzoyl‐2,2‐dimethylaziridine by Simple Nitrile Anions.
Authors: ASSITHIANAKIS P. , STAMM H.
Published: May 2016

The anions (II) cleave the aziridine ring of compound (III) at the tertiary C‐atom giving the butyronitriles (IV) in good yields.
ChemInform Abstract: Preparation and Regiospecific Cyclization of Alkenyllithiums.
Authors: BAILEY W. F. , NURMI T. T. , PATRICIA J. J. , WANG W.
Published: May 2016

A two‐step, one‐pot sequence is developed that provides an anionic route to functionalized carbocycles containing five‐ or six‐membered rings.
ChemInform Abstract: The Acid Catalyzed Cyclization of Diazoketones: Preparation of 2,4(3H,5H)‐Furandiones.
Authors: MILLER R. D. , THEIS W.
Published: May 2016

The diazoketones (I), prepared from malonic acid monochlorides, are cyclized in the presence of BF3 etherate to yield the 2,4(3H,5H)furandiones (II).
ChemInform Abstract: Pyridinium Dichromate‐Induced 1,3‐Oxidative Rearrangements of Enynols.
Authors: LIOTTA D. , BROWN D. , HOEKSTRA W. , MONAHAN R. III
Published: May 2016

The cyclohexenols (III), synthesized by coupling the lithium acetylides (II) with the cyclohexenones (I), are oxidized with pyridinium dichromate to form the rearranged cyclohexenones (IV).
ChemInform Abstract: Photoirradiated and γ‐Ray‐Irradiated Reactions of Manganese(III, IV, V) Tetraphenylporphyrins in 2‐Methyltetrahydrofuran. Reactions of Azidomanganese(III) Porphyrin.
Authors: JIN T. , SUZUKI T. , IMAMURA T. , FUJIMOTO M.
Published: May 2016

The reductions of (I) at different conditions and consecutive reactions are reported.