bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Regiocontrolled Nucleophilic Addition to Selectively Activated p‐Quinone Diimines: Alternative Preparation of a Key Intermediate Employed in the Preparation of the CC‐1065 Left‐Hand Subunit.
Authors: BOGER D. L. , ZARRINMAYEH H.
Published: May 2016

Base‐catalyzed reaction of the quinone diimines (I) with the nucleophiles (II) yields regioselectively the adducts (III), whereas the Lewis acid‐catalyzed reaction of (Ia) and (Ib) with the allylstannanes (IV) gives the adducts (V) with opposite regioselectivity.
ChemInform Abstract: Copper‐ and Cobalt‐Mediated Regioselective Alkylation of Polyketide Models: Methyl 3,5‐Dioxohexanoate and Triacetic Acid Lactone.
Authors: CERVELLO J. , MARQUET J. , MORENO‐MANAS M.
Published: May 2016

Polyketides constitute a family of natural compounds.
ChemInform Abstract: Synthesis of Some New 8‐Methoxy‐5‐Substituted Aminomethylcoumarins as Possible Antibacterial Agents.
Authors: SHAH S. , MEHTA R. H.
Published: May 2016

The title compounds (III) are synthesized by reaction of the 8‐methoxy‐5‐chloromethylcoumarin (I) with twenty‐eight amines such as (II).
ChemInform Abstract: A Highly Convergent Synthesis of Benzimidazoloylpiperidines.
Authors: CARR A. A. , HAY D. A. , KANE J. M. , STAEGER M. A.
Published: May 2016

The benzimidazole (I) is consecutively coupled with the benzyl chloride (II) and the BOC‐protected piperidinecarboxylate (IV) to yield the benzimidazolylcarbonylpiperidine (V) after deprotection.
ChemInform Abstract: The Chemistry of Phthalide‐3‐carboxylic Acid. Part 7. Reaction with Isoquinoline Derivatives.
Authors: DONATI C. , HUNG T. V. , PRAGER R. H.
Published: May 2016

Phthalide‐3‐carboxylic acid (I) is decarboxylated in the presence of isoquinolines (II), (IV) and (VIII) to give low yields of (isoquinolin‐1‐yl)isobenzofuranones such as (III), (VI) and (IX).
ChemInform Abstract: New and Efficient Synthesis of 5,6,7,8‐Tetrahydroindolizidines. Application to the Synthesis of Pharmacologically Relevant Chiral Amino Derivatives from L‐Asparagine.
Authors: GMEINER P. , LERCHE H.
Published: May 2016

L‐Asparagine (I) is benzylated and reduced to yield the hydroxy diamine (III) which is cyclized with 2,5‐dimethoxytetrahydrofuran (IV) to form the (aminohydroxybutyl)pyrrole (V).
ChemInform Abstract: Pyridopyrimidines. Part 7. Synthesis and Antibacterial Activity of 4‐Iminopyrido(2,3‐d)pyrimidin‐2(1H)‐thiones, 2‐Thioxopyrido(2,3‐d)pyrimidin‐4(3H)‐ones, and Related Compounds.
Authors: DAVE C. G. , SHAH P. R. , PANDYA P. S. , SHAH G. K.
Published: May 2016

The aminopyridinecarboxamide (I) reacts with the isothiocyanates (II), forming the pyridopyrimidines (III).
ChemInform Abstract: A Novel One‐Pot Synthesis of 1,3,7‐Triaryl‐1,2,3,4‐tetrahydro‐4‐oxo‐5‐phenyl‐2‐thioxo‐5H‐pyrano(2,3‐d)pyrimidines.
Authors: AHLUWALIA V. K. , AGGARWAL R. , ALAUDDIN M. , GILL G. , KHANDURI C. H.
Published: May 2016

Treatment of the thiobarbituric acids (I) and the chalcones (II) with phosphorus pentoxide in acetic acid results in ring closure to produce the tetrahydrothioxopyranopyrimidinones (III).
ChemInform Abstract: (Thioacetoxy‐S‐methyl)diorganylsilanes and (Mercaptomethyl)diorganylsilanes: Synthesis and Properties.
Authors: TACKE R. , BECKER B. , LANGE H.
Published: May 2016

The title compounds (III) and (IV) are synthesized.
ChemInform Abstract: Electrochemical Studies on Organometallic Compounds. Part 34. Redox Properties of Tetraphenyldistibane.
Authors: MOURAD Y. , MUGNIER Y. , BREUNIG H. J. , ATES M.
Published: May 2016

The uptake of two electrons by the title compound yields the anion Ph2Sb‐.
ChemInform Abstract: Synthesis and NMR Spectroscopy of 2,5‐Diborylated 3‐Plumbolenes and 3‐Stannolenes.
Authors: WRACKMEYER B. , HORCHLER K.
Published: May 2016

The organoboration of (I) leads to intermediates (III) in which an intramolecular side‐on coordination has a stabilizing effect on the triorganolead cation.
ChemInform Abstract: Synthesis and Characterization of the First Example of Insertion by Platinum(II) into a Tetrasubstituted Cyclopropane.
Authors: HOBERG J. O. , LARSEN R. D. , JENNINGS P. W.
Published: May 2016

Methodology for the preparation and characterization of insertion of Pt(II) into a tetrasubstituted cyclopropane is established.
ChemInform Abstract: UV Resonance Raman Saturation Spectroscopy of Tryptophan Derivatives: Photophysical Relaxation Measurements with Vibrational Band Resolution.
Authors: TERAOKA J. , HARMON P. A. , ASHER S. A.
Published: May 2016

The ground‐state UVRR saturation behavior of the tryptophan derivatives (I), excited in their S3, S2, and S1 excited states in a well‐defined, low laser pulse energy flux regime where multiphoton absorption is negligible and no Raman scattering is observed from photon‐induced species, is examined.
ChemInform Abstract: Radical Cyclization in Stereospecific Introduction of Chirality at “Off Template Site” of 1,2‐O‐Isopropylidene‐α‐D‐xylo‐hexofuranose.
Authors: RAO A. V. R. , YADAV J. S. , RAO C. S. , CHANDRASEKHAR S.
Published: May 2016

The bromoacetal (IV) undergoes facile free radical cyclization to give the cyclic olefinic acetal (V), which is chemically manipulated to introduce either of the chiralities at C‐5 of the α‐D‐hexofuranoses (VI) and (VII).
ChemInform Abstract: Octa‐O‐acetylsucrose: Regioselective Deacetylations by Lipolytic Enzymes.
Authors: KLOOSTERMAN M. , WEIJNEN J. G. J. , DE VRIES N. K. , MENTECH J. , CARON I. , DESCOTES G. , SCHOEMAKER H. E. , MEIJER E. M.
Published: May 2016

Treatment of octaacetylsucrose (Ia) with different types of lipase results in the predominant formation of the regioselectively deacetylated products (Ib) or (Id).
ChemInform Abstract: Boron‐10 Carriers for NCT. A New Synthetic Method via Condensation with Aldehydes Having Boronic Moiety.
Authors: YAMAMOTO Y. , SEKO T. , RONG F. , NEMOTO H.
Published: May 2016

The lithiated uracil derivative (I) is coupled with the cyclic p‐formylphenylboronates (II) to form the pyrimidyl(hydroxymethyl)phenylboronic acid (III).
ChemInform Abstract: Phytotoxic Compounds Produced by Fusarium equiseti. Part 10. The Preparation and Rearrangement of Diacetylneosolaniol 9β,10β‐Epoxide.
Authors: GROVE J. F.
Published: May 2016

By treatment of diacetylneosolaniol (I) with MCPBA the title 9β,10β‐epoxide is formed, which reacts subsequently with NaOH to give the product (II).
ChemInform Abstract: The System Sodium Hydroxide‐Water. Crystal Structure of the Metastable Phase β‐NaOH·4 H2O.
Authors: MOOTZ D. , SEIDEL R.
Published: May 2016

β‐NaOH·4 H2O crystallizes in the orthorhombic space group P212121 with Z=4.
ChemInform Abstract: Microstructure‐Mechanical Property Relationships in Hot Isostatically Pressed Alumina and Zirconia‐Toughened Alumina.
Authors: SHIN D.‐W. , ORR K. K. , SCHUBERT H.
Published: May 2016

The rates of densification and the mechanical properties of pure Al2O3 and ZrO2‐toughened Al2O3 (ZTA) are studied as a function of the temp. and time schedules used for hot isostatic pressing (HIP) of samples pressureless sintered in air at 1460 °C (45 min).
ChemInform Abstract: Solid‐State NMR Investigations of the Structure and Reactivity of Metakaolinite.
Authors: ROCHA J. , KLINOWSKI J.
Published: May 2016

27Al and 29Si NMR spectra are recorded for two kaolinite samples which differ in their crystallinity as a function of calcination temperature.
ChemInform Abstract: Magnetic Properties of LnAl6Fe6 Compounds for Ln: Y, Dy and Ho.
Authors: JELONEK J. , CHELKOWSKI A. , ZAREK W. , CHELKOWSKA G. , WINIARSKA A.
Published: May 2016

Magnetostatic investigations reveal that YAl6Fe6 is a ferromagnet, while DyAl6Fe6 and HoAl6Fe6 are ferrimagnets.
ChemInform Abstract: Reactions of Homobenzvalenes with 4‐Phenyl‐3H‐1,2,4‐triazole‐3,5(4H)‐dione, Tetracyanoethylene, Chlorosulfonyl Isocyanate, and Sulfur Dioxide. Several Concerted 1,4‐Additions to a Vinylcyclopropane Subunit.
Authors: LANG R. , HERZOG C. , STANGL R. , BRUNN E. , BRAUN M. , CHRISTL M. , PETERS E.‐M. , PETERS K. , VON SCHNERING H. G.
Published: May 2016

Reactions of the homobenzvalenes (I) with the triazoledione (II), of (Ia) with TCNE (V) in different solvents, with chlorosulfonylisocyanate (X), or with SO2 (XIII) give the products (III), (IV) or (VI) + (VII) + (IV), (XI) (main product), or (XIV), respectively.
ChemInform Abstract: Regioselectivity of the Photo‐Fries Rearrangement in Acetoxyindoles.
Authors: CHAN A. C. , HILLIARD P. R. JUN.
Published: May 2016

The photolysis of 5‐acetoxyindole (I) yields a mixture of the hydrolyzed product (II) and the rearranged compounds (III) and (IV) with the predominance of (III).
ChemInform Abstract: Fluoroorganometallic Chemistry: Decarbonylation of Cyclic Perfluoroacyl Complexes.
Authors: KAREL K. J. , TULIP T. H. , ITTEL S. D.
Published: May 2016

(I) is decarbonylated in two steps.
ChemInform Abstract: Convenient Synthesis of Amides, Esters, and Thioesters Using 2,2′‐Oxalyldi(2,3‐dihydro‐3‐oxobenzisothiazole 1,1‐dioxide).
Authors: KITAGAWA T. , KURODA H. , IIDA K. , ITO M. , NAKAMURA M.
Published: May 2016

The potassium salts of carboxylic acids such as (I) are coupled with amines, alcohols, and thiols such as (IV) in the presence of the 2,2'‐oxalyldisaccharin (II) to produce the corresponding amides, esters, and thioesters (V).
ChemInform Abstract: Stereoselectivity of Dienamine (4 + 2) Cycloadditions. Synthesis of Functionalized Decalins and Drimanes.
Authors: SNOWDEN R. L. , BRAUCHLI R. , WUEST M. +
Published: May 2016

The (4 + 2) cycloaddition of a series of dienamines such as (I) with dimethyl fumarate (IIa) and fumaronitrile (IIb) leads stereoselectively to the adducts (III), which are converted to the functionalized decalins (V) and (VI).
ChemInform Abstract: Enantioselective Epoxidation of Unfunctionalized Olefins Catalyzed by (Salen)manganese Complexes.
Authors: ZHANG W. , LOEBACH J. L. , WILSON S. R. , JACOBSEN E. N.
Published: May 2016

Using the title catalysts (I), the enantioselective epoxidation of various unfunctionalized olefins such as (II) is achieved.
ChemInform Abstract: Acid‐Promoted Rearrangements of N‐Substituted 8‐Oxa‐3‐azatricyclo(3.2.1.02,4)octane‐6,7‐dicarboxylates: Remote Substituent Effects on the Regioselectivity of the N‐Acylaziridine/Dihydrooxazole Rearrangement.
Authors: ALLEMANN S. , REYMOND J.‐L. , VOGEL P.
Published: May 2016

Derivatives of 7‐oxanorbornane have been used as starting materials for the synthesis of biologically interesting or natural compounds.
ChemInform Abstract: ortho Effect on the Nitrosation of the 2,3‐Diphenyl‐5‐(2‐methoxyphenyl)pyrrole.
Authors: CERAULO L. , AGOZZINO P. , FERRUGIA M. , SPRIO V.
Published: May 2016

The behavior on the nitrosation of the isomers (I) and (IV) is investigated.
ChemInform Abstract: Synthesis of Some New 3‐Substituted 1,2,4‐Triazino‐indole Derivatives and Related Compounds of Potential Antifungal Activity.
Authors: ABDEL RAHMAN R. M. , EL GENDY Z. , MAHMOUD M. B.
Published: May 2016

A series of new title triazines, e.g. (I)‐(IV), and related compounds such as (V) are prepared and tested for their in vitro and in vivo antifungal activity.
ChemInform Abstract: Decyanation of Tertiary Nitriles by Alkyllithium Reagents Observed During the Synthesis of Imidazoles Pendant to a Quaternary Carbon Center.
Authors: GREGORY G. B. , JOHNSON A. L. , RIPKA W. C.
Published: May 2016

The tetralone (I) is treated with trimethylsilyl cyanide (II) to give the α‐siloxy nitrile (III) which is subjected to elimination, reduction, and alkylation, yielding the 1‐substituted 1‐cyanotetralins (VI).
ChemInform Abstract: Synthesis and Reactions of 2‐(2‐Arylvinyl)pyrimidines.
Authors: EL‐BAHAIE S. , ASSY M. G. , KADRY A.
Published: May 2016

As a part of a program for synthesis of condensed pyrimidines, which often possess biological activity, the compound (III) is synthesized as starting material.
ChemInform Abstract: Trichloronitrosomethane: Regioselective Cycloadditions of 2‐Substituted 1,3‐Butadienes.
Authors: LIN C.‐T. , HSU W.‐J.
Published: May 2016

The regioselectivity of cycloaddition reactions of the title compound with alkyl‐ or aryl‐1,3‐butadienes such as (II) is substituent‐dependent, producing isomeric oxazines such as (III) and/or (IV).
ChemInform Abstract: Syntheses and Conformational Analyses of Some 3‐Amino‐2,5‐dioxo‐2,3,4,5‐tetrahydro‐1H‐1‐benzazepine Derivatives: X‐Ray Crystal Structure of 3S‐3‐(((1,1‐Dimethylethoxy)carbonyl)amino)‐2,5‐dioxo‐2,3,4,5‐tetrahydro‐1H‐1‐benzazepine.
Authors: BALL J. B. , WONG M. G. , CAPUANO B. , GULBIS J. M. , MACKAY M. F. , ALEWOOD P. F.
Published: May 2016

The compound (IV) is synthesized in order to test its use as a conformational constraint of bioactive peptides.
ChemInform Abstract: Synthesis, Antiinflammatory Activity, and Metabolism of Alkyl Aryl Ketones and Their Derivatives.
Authors: DAUKSHAS V. K. , GAIDYALIS P. G. , UDRENAITE E. B. , LABANAUSKAS L. K. , GASPERAVICHENE G. A. , GUMBARAGITE L. F. , RAMANAUSKAS D. V.
Published: May 2016

Friedel‐Crafts acylation of the pyrocatechol ethers (I) with the acyl chlorides (II) gives the ketones (III).
ChemInform Abstract: Synthesis and Characterization of Trihaloniobium Alkyne Complexes.
Authors: HARTUNG J. B. JUN. , PEDERSEN S. F.
Published: May 2016

Reactions of (I) and its bromo analogue with internal alkynes provide neutral, monomeric complexes such as (III) (8 examples given).
ChemInform Abstract: Thermal‐ and Light‐Induced Spin Transition in (Fe(mtz)6)(BF4)2: First Successful Formation of a Metastable Low‐Spin State by Irradiation with Light at Low Temperatures.
Authors: POGANIUCH P. , DECURTINS S. , GUETLICH P. +
Published: May 2016

The thermal spin‐transition behavior of the title complex (I) is reinvestigated employing 57Fe Moessbauer and optical spectroscopy and magnetic susceptibility measurements in the temp. range between 300 and 4 K. The light‐induced spin‐crossover behavior is studied.
ChemInform Abstract: Formation of Dimers of Vinyltrifluoromethylacetylenes by Dehydration of Trifluoromethylacetylenic Alcohols in Complexes with Cobalt Hexacarbonyl.
Authors: BOBROVNIKOV M. N. , TURBANOVA E. S. , PETROV A. A.
Published: May 2016

Dehydration of the tertiary alcohol (I) affords the vinyltrifluoromethylacetylene complex (II) known from earlier observations.
ChemInform Abstract: Crystal Structure and Magnetic Properties of a Copper(II) Chloride Nitronyl Nitroxide Complex Containing Six Exchange‐Coupled S = 1/2 Spins.
Authors: CANESCHI A. , FERRARO F. , GATTESCHI D. , REY P. , SESSOLI R.
Published: May 2016

The dinuclear complex (III) crystallizes in the space group P1 with Z=2.
ChemInform Abstract: Preparation, Molecular Structure, and Solution Properties of 1‐(1,1′‐Bis(diphenylphosphino)ferrocene)palladatetraborane.
Authors: HOUSECROFT C. E. , OWEN S. M. , RAITHBY P. R. , SHAYKH B. A. M.
Published: May 2016

In the title complex (IV), crystallizing in the space group P1, Z=2, the triborane ligand is symmetrically disposed with respect to the Pd atom.
ChemInform Abstract: Platinum η2‐Disilene Complexes: Syntheses, Reactivity, and Structures.
Authors: PHAM E. K. , WEST R.
Published: May 2016

The stable bis(phosphine)‐Pt η2‐disilene complexes (III) and (VI) analogous to olefin π‐complexes are prepared by various methods shown in the scheme.
ChemInform Abstract: Synthesis, Stability, and Cytostatic Activity of Regioisomeric Nitroso‐Substituted N‐((2‐Chloroethyl)carbamoyl)glycyl‐L‐leucine Methyl Esters.
Authors: NIKIFOROVA N. V. , BELYAEV A. A. , RADINA L. B. , ANOSHINA G. M.
Published: May 2016

Reaction of the dipeptide (I) with the chloroethyl isocyanate (II) gives the chloroethylcarbamoyl compound (III) which is converted to the N‐(chloroethylcarbamoyl)‐N‐nitrosoglycylleucine (V) upon nitrosation.
ChemInform Abstract: Synthesis of α‐(Methylthio)arylacetamides and Their Conversion into Some Biologically Active Arylethylamines.
Authors: ISHIBASHI H. , MIKI Y. , IKEDA Y. , KIRIYAMA A. , IKEDA M.
Published: May 2016

The (methylsulfinyl)acetamides (II) are coupled with the arenes (I) in the presence of p‐toluolenesulfonic acid to prepare the arylacetamides (III) mentioned in the title.
ChemInform Abstract: Synthesis of the Papulacandin C‐Arylglucosyl Spiroketal Nucleus.
Authors: ROSENBLUM S. B. , BIHOVSKY R.
Published: May 2016

In a model study, the conversion of δ‐valerolactone (I) into the hemiketals (III) and the hydroxy ketones (IV) is tested.
ChemInform Abstract: Synthesis of a New Chiral Selector for TLC Enantiomeric Resolution.
Authors: MARTENS J. , LUEBBEN S. + , BHUSHAN R.
Published: May 2016

The new chiral selector (III) is obtained by the reaction of the bicyclic amino acid (I) with 1‐dodecane epoxide (II).
ChemInform Abstract: New Fluorination Reactions of Ammonium Bifluoride.
Authors: SANGHERA J. S. , HART P. , SACHON M. G. , EWING K. J. , AGGARWAL I.
Published: May 2016

It is demonstrated that low‐oxygen fluorozirconate glasses can be produced by a process that involves the hitherto unknown solid‐state reaction between NH4FHF and anhydrous and hydrated metal fluoride salts (ZrF4·H2O, HfF4·H2O, and AlF3·H2O; LaF3, BaF2, and NaF, also used in the glass formation process, do not react).
ChemInform Abstract: Microstructure and Electrical Properties of Chemically Prepared Nb2O5‐Doped SrTiO3 Ceramics.
Authors: RAYMOND M. V. , AMARAKOON V. R. W.
Published: May 2016

Homogeneous Nb2O5‐doped SrTiO3 powders of submicrometer size are obtained by alcohol dehydration of a solution of strontium formate, titanium citrate, and niobium citrate and subsequent calcination at 1000 °C. Control of the stoichiometry is found to be an important parameter, because the electrical properties as well as the sintering behavior are very dependent on the stoichiometry.
ChemInform Abstract: High‐Pressure Self‐Combustion Sintering of Alumina‐Titanium Carbide Ceramic Composite.
Authors: ADACHI S. , WADA T. , MIHARA T. , MIYAMOTO Y. , KOIZUMI M.
Published: May 2016

Al2O3‐TiC ceramic composites are fabricated by high‐pressure (3 GPa) self‐combustion sintering (HPCS) using Al/TiO2/C mixtures as starting material.
ChemInform Abstract: Spectroscopic Studies on Matrix‐Isolated Molybdenum Pentachloride.
Authors: BRISDON A. K. , GRAHAM J. T. , HOPE E. G. , JENKINS D. M. , LEVASON W. , OGDEN J. S.
Published: May 2016

In N2 and Ar matrices two prominent IR bands are observed at ∼473 and 408 cm‐1.
ChemInform Abstract: Optical Spectrum of K2CuF4.
Authors: RILEY M. J. , DUBICKI L. , MORAN G. , KRAUSZ E. R. , YAMADA I.
Published: May 2016

A reexamination of the magnetic circular dichroism (MCD), Zeeman, and absorption spectra of K2CuF4 single crystals yield an unambiguous assignment of the d‐d transitions.
ChemInform Abstract: The Effect of Pressure on the Surface Plasmon Absorption Spectra of Colloidal Gold and Silver Particles
Authors: COFFER J. L. , SHAPLEY J. R. , DRICKAMER H. G.
Published: May 2016

is studied up to 10 kbar.
ChemInform Abstract: Ion‐Molecule Reactions in the Silane‐Ammonia System.
Authors: HALLER I.
Published: May 2016

Products and rate constants of the reactions of SiH+ x ions with NH3 as well as of reactions of NH+ x ions with SiH4 are investigated under low‐pressure conditions (where ions of a single type can be isolated) by using Fourier transform mass spectrometry.
ChemInform Abstract: Synthesis of Stable 7‐Phosphanorbornadiene P‐Oxides.
Authors: MATSUMOTO K. , HASHIMOTO S. , UCHIDA T.
Published: May 2016

Cycloaddition reaction of the pentaphenylphosphole oxide (I) with the diaroylalkynes (II) under pressure leads to the formation of the 7‐phosphanorbornadiene P‐oxides (III) which cannot be deoxygenated to the corresponding 7‐phosphanorbornadienes under various conditions.
ChemInform Abstract: N‐Hydroxypyridine‐2‐thione Carbamates. Part 4. A Comparison of 5‐exo Cyclizations of an Aminyl Radical and an Aminium Cation Radical.
Authors: NEWCOMB M. , DEEB T. M. , MARQUARDT D. J.
Published: May 2016

Photolysis of the pyridinethione carbamate (I) in the presence of an acid leads to the products (II)‐(IV); the ratio can be varied by the reaction conditions.
ChemInform Abstract: Cyclization of ω‐Halo‐N‐methoxy‐N‐methylalkanamides Initiated by Lithium‐Halogen Exchange.
Authors: SOUCHET M. , CLARK R. D.
Published: May 2016

Treatment of the ω‐iodo‐N‐methoxy‐N‐methylcarboxamides (I) with tert‐butyllithium in tetrahydrofuran results in intramolecular cyclization, producing the cyclic ketones (II).
ChemInform Abstract: One‐Pot Conversion of (Silylmethyl)cyclopropanes to Homoallylic Alcohols and 1,4‐Diols Based on Haloborate‐Induced Ring Opening.
Authors: RYU I. , HIRAI A. , SUZUKI H. , SONODA N. , MURAI S.
Published: May 2016

The (trimethylsilylmethyl)cyclopropanes (I) are treated with tribromoborane to undergo desilylation and cleavage, yielding the homoallylic alcohols (II), (IV), or (VI) and (VII) after oxidative work‐up.
ChemInform Abstract: Intra‐ and Intermolecular Palladium‐Catalyzed Asymmetric Allylations of Chiral Enamines.
Authors: HIROI K. , ABE J.
Published: May 2016

The chiral enamine (III), prepared from the aldehyde (I) and (S)‐proline allyl ester (II), undergoes Pd(0)‐catalyzed intramolecular allylation to give the α‐allyl hemiacetal (IV) which is oxidized, forming the allylmethylbenzofuranone (R)‐(+)‐(V) with high enantiomeric excess.
ChemInform Abstract: Formation of Unsymmetrically Substituted Aminoimino‐1H‐isoindoles During Reactions of 1,1,3‐Trichloro‐1H‐isoindole with Amines.
Authors: GORDIENKO O. V. , NEGREBETSKII V. V. , IVANCHENKO V. I. , KORNILOV M. YU.
Published: May 2016

Simultaneous reaction of 1,1,3‐trichloro‐1H‐isoindole (II) with the anilines (I) and an excess of the tertiary amines (III) or (V) leads predominantly to the formation of the dialkylaminoaryliminoisoindoles (IV) or (VI).
ChemInform Abstract: Synthesis of 4,4‐Dimethyl‐3,4‐dihydro‐3,3,5‐trisubstituted‐2H‐pyrazoles and N‐Benzoyl Derivatives: Method for “Hydrolysis” of Unreactive Amides and Carbamates.
Authors: BAUMSTARK A. L. , CHOUDHARY A. , VASQUEZ P. C. , DOTRONG M.
Published: May 2016

The addition of the organo‐lithium reagents (II) to the 3,5‐disubstituted 4H‐pyrazoles (I) proceeds in a stereoselective manner to produce the title compounds (III) in high yields.
ChemInform Abstract: Structural Requirements for Agonist Actions at the Benzodiazepine Receptor: Studies with Analogues of 6‐(Benzyloxy)‐4‐(methoxymethyl)‐β‐carboline‐3‐carboxylic Acid Ethyl Ester.
Authors: HOLLINSHEAD S. P. , TRUDELL M. L. , SKOLNICK P. , COOK J. M.
Published: May 2016

Starting with the title compound (I), the β‐carboline derivatives (II) and (IV) are prepared by known procedures.
ChemInform Abstract: A Crystalline Seven‐Membered Cyclic Ketene Imine from a Thiocarbonyl S‐Methylide.
Authors: HUISGEN R. , LANGHALS E. , NOETH H. +
Published: May 2016

The indanthione (I) undergoes cycloaddition reaction with diazomethane (II) to form the spiro‐fused thiadiazoline (III).
ChemInform Abstract: Nucleophilic Polyhaloalkylation of Diamidochlorophosphites.
Authors: KOIDAN G. N. , OLEINIK V. A. , KUDRYAVTSEV A. A. , MARCHENKO A. P. , PINCHUK A. M.
Published: May 2016

1,1,1‐Trichloro‐2,2,2‐trifluoroethane (I) is coupled with the phosphorodiamidous chlorides (II) in the presence of the corresponding phosphorous triamides (III) to give the haloethylphosphonous diamides (IV) and the phosphonium chlorides (V).
ChemInform Abstract: New Heterodifunctional Ligands for Organotransition‐Metal Chemistry: Ph2P(CH2)nC5Me4H (n = 0, 2).
Authors: SZYMONIAK J. , BESANCON J. , DORMOND A. , MOISE C.
Published: May 2016

The tetramethylcyclopentenol (I) is dehydrated to give the cyclopentadiene (II) which reacts with methyllithium (III), forming the cyclopentadienyl anion salt (IV).
ChemInform Abstract: Reaction of 2‐Chloro‐1,3,2‐dioxaphospholanes with 2‐Ethoxy‐1,3‐dioxolanes.
Authors: KRUTSKAYA L. V. , SAFIULINA O. Z. , VORONINA S. G. , BRYUKHOVETSKAYA L. V. , TSIVUNIN V. S.
Published: May 2016

The reaction of the title compounds (I) and (II) proceeds, depending on the structure of (I), to give either the phosphonates (III) under cleavage of the phospholane ring or the cyclic phosphonates (IV) maintaining the phospholane ring.
ChemInform Abstract: Reactivity of a Cyclothiaphosphazene Towards Grignard Reagents. Crystal Structure of the 1:1 Adduct of the Bi(cyclothiaphosphazene)(NPMe(NSOPh)2)2 and Benzene.
Authors: HERREMA J. K. , JEKEL A. P. , WINTER H. , VAN DE GRAMPEL J. C. , MEETSMA A. , DE BOER J. L. , SPEK A. L.
Published: May 2016

Reactions of the ring system (I) with MeMgCl (II) and an excess isopropanol show that chlorine substitution occurs both along with nucleophilic substitution pattern producing (III) and a metal‐halogen exchange process giving rise to the formation of bicyclic compounds (IV).
ChemInform Abstract: Insertion of O2 Into the Mg‐C Bonds of the Alkyl Derivatives (η3‐HB(3‐Butpz)3)MgR (R: CH3, CH2CH3, CH(CH3)2, C(CH3)3): Formation of Alkylperoxo Derivatives and Oxygen Atom Transfer.
Authors: HAN R. , PARKIN G.
Published: May 2016

The insertion products (II) are obtained in less than 5 min in the case of (IIb) and (IIc) and in about 9 h in the case of (IIa).
ChemInform Abstract: (Bis(3‐tert.‐butylpyrazolyl)hydroborato)zinc Alkyl Derivatives: Competitive Reactivity of Zn‐C and B‐H Bonds.
Authors: GORRELL I. B. , LOONEY A. , PARKIN G. , RHEINGOLD A. L.
Published: May 2016

The title complex (IIIb) ( P21/n, Z=4) is one of the rare examples exhibiting three‐coordination for a monomeric organozinc compound.
ChemInform Abstract: Site‐Specific Synthesis of Heterodinuclear Fulvalene Complexes.
Authors: KAHN A. P. , NEWMAN D. A. , VOLLHARDT K. P. C.
Published: May 2016

The tungsten diene complex (I), prepared from sodium cyclopentadienide and 3‐ethoxy‐2‐cyclopentenone, reacts with the metal carbonyls (II) or (IV) to produce the complexes (III) or (V).
ChemInform Abstract: Heteropoly Acid‐Catalyzed Reactions of Terpenes. Part 1. Direct Hydration of Camphene.
Authors: SCHWEGLER M. A. , VAN BEKKUM H.
Published: May 2016

The title acids are excellent catalysts in the hydration of camphene (I) to isoborneol (II) (no yield given).
ChemInform Abstract: Enzyme‐Catalyzed Regioselective Acylation of Castanospermine.
Authors: MARGOLIN A. L. , DELINCK D. L. , WHALON M. R.
Published: May 2016

As shown for (IIIa), the proteolytic enzyme subtilisin catalyzes the regioselective acylation of the plant alkaloid castanospermine (I) to give a wide variety of 1‐O‐acyl derivatives such as (III).
ChemInform Abstract: A Highly Stereoselective Glycosylation of 2‐(Phenylselenenyl)‐2,3‐dideoxyribose Derivative with Thymine: Synthesis of 3′‐Deoxy‐2′,3′‐didehydrothymidine and 3′‐Deoxythymidine.
Authors: CHU C. K. , BABU J. R. , BEACH J. W. , AHN S. K. , HUANG H. , JEONG L. S. , LEE S. J.
Published: May 2016

The silyl enolate (III) of the γ‐lactone (I) is phenylselenenylated to give predominantly the α‐configurated selenide (Va).
ChemInform Abstract: Electrochemical Oxidation of Arsenic(III) at a Glassy Carbon Electrode Modified in a Solution Containing Palladium Chloride and Sodium Hexachloroiridate(IV).
Authors: DAS B. K. , COX J. A.
Published: May 2016

Cyclic voltammetry of the As(III)/As(V) redox process with a glassy carbon electrode modified with a film of mixed oxides of palladium and iridium reveals that the peak potential of the anodic process is 0.72 V vs.
ChemInform Abstract: Characteristics of Photoelectrochemical Cells Based on n/n+‐Si and p/n+‐Si Photoanodes Modified by Metal Films.
Authors: WANG S. , LI G. , LI H. , GETOFF N.
Published: May 2016

The performance of photoelectrochemical cells containing different epitaxial n‐Si photoanodes coated with thin films of Ni, Pt, or Ni/Pt, and aqueous electrolytes containing the Br2/Br‐ or Fe(CN)63‐/Fe(CN)64‐ redox couples is studied.
ChemInform Abstract: Nitrogen Triiodide.
Authors: TORNIEPORTH‐OETTING I. , KLAPOETKE T. +
Published: May 2016

The title compound (II) is a red‐black highly volatile solid, which is very unstable at room temp. (explosive ]).
ChemInform Abstract: Deoxygenation of Allylic and Benzylic Alcohols via α,β‐Unsaturated Ester Derivatives. Reductive Cleavage of the Carbon‐Oxygen Bond with Triethylsilane and Wilkinson′s Catalyst.
Authors: LIU H.‐J. , ZHU B.‐Y.
Published: May 2016

The acrylates (I) or cinnamates (III) undergo reductive cleavage with triethylsilane in the presence of Wilkinson's catalyst to form the corresponding hydrocarbons (II).
ChemInform Abstract: Radical Chain Cyclization of Allylic Compounds.
Authors: SERRA A. C. , DA SILVA CORREA C. M. M. , VIEIRA M. A. M. S. A. , GOMES M. A.
Published: May 2016

The light‐induced (UV, sunlight) additions of tosyl halides (I) to the diallylic compounds (II) or (IV) lead to cyclizations, but the yields are small.
ChemInform Abstract: 17O Isotopic Tracer Evidence for the Formation of a Sulfurane Intermediate During Sulfide Photooxidation.
Authors: CLENNAN E. L. , YANG K.
Published: May 2016

Photooxidation of γ‐hydroxypropyl tolyl sulfide itself and its homologues (I) leads exclusively to sulfoxides (II) and sulfones (III).
ChemInform Abstract: Metalloporphyrin‐Catalyzed Oxidation of Saturated Hydrocarbons with Sodium Chlorite.
Authors: COLLMAN J. P. , TANAKA H. , HEMBRE R. T. , BRAUMAN J. I.
Published: May 2016

A new and efficient hydrocarbon oxidation procedure is reported which employs chlorite as the oxidant and Mn(III) porphyrins such as MTMP in the presence of an axial ligand base (4‐tert.‐butylpyridine) as the catalyst; the ammonium salt serves as a phase‐transfer catalyst.
ChemInform Abstract: “Halex” Fluorination of Chlorinated Benzaldehydes and Benzoyl Chlorides.
Authors: BANKS R. E. , MOTHERSDALE K. N. , TIPPING A. E. , COZENS B. J. , WOTTON D. E. M. , TATLOW J. C.
Published: May 2016

Spray‐dried potassium fluoride suspended in sulfolane proved to be the best system for the halogen exchange reaction of chlorinated benzaldehydes such as (I) and benzoyl chlorides such as (III) and (V).
ChemInform Abstract: Synthesis of 4,4‐Disubstituted Cyclohexenones. Part 3. The Reaction of 1,3‐Bis(trimethylsilyloxy)cyclohexa‐1,3‐dienes with Dienophiles. An Unexpected Rearrangement of the Adducts from the Reaction with 2‐Chloroacrylonitrile.
Authors: CLARK R. S. J. , HOLMES A. B. , MATASSA V. G.
Published: May 2016

The reaction of 1,3‐oxygen‐substituted dienes (III) and (XI) with chloroacrylonitrile in the presence of Lewis acids such as Me2AlCl represents an efficient and stereocontrolled synthesis of bicyclo(2.2.2)octane nitriles.
ChemInform Abstract: A Highly erythro‐Selective Aldol Reaction Between Chromium‐Complexed Benzaldehyde Derivatives and Cyclic Silyl Enol Ethers.
Authors: MUKAI C. , CHO W. J. , HANAOKA M.
Published: May 2016

The o‐(trimethylsilyl)benzaldehydechromium carbonyl complexes (I) are coupled with the cycloalkenyl trimethylsilyl ethers (II) in the presence of boron trifluoride etherate.
ChemInform Abstract: Reactions of 1,2‐Diaminobenzimidazoles with β‐Dielectrophiles: Synthesis of Pyrimido(1,2‐a)benzimidazole Derivatives.
Authors: ROMANO C. , DE LA CUESTA E. , AVENDANO C.
Published: May 2016

The 1,2‐diaminobenzimidazoles (I) are coupled with the ethoxymethylenecarboxylates (II) to produce the ethoxycarbonylvinylaminobenzimidazoles (III) which undergo rearrangement and ring‐closure upon heating to yield the pyrimidobenzimidazoles (IV).
ChemInform Abstract: Synthesis of a New Type of Quadruply Ortho‐Bridged Biphenyl Compounds with Disulfide Linkage, and Its Sulfur Extrusion in conc. H2SO4 and Photochemical Conditions.
Authors: FUJIHARA H. , CHIU J.‐J. , FURUKAWA N.
Published: May 2016

Bis‐2,6‐di(bromomethyl)phenyl sulfide (I) is converted to the bis(2,6‐mercaptomethylphenyl) analogue (III) which undergoes oxidative dimerization, forming the polycyclic pentasulfide (IV).
ChemInform Abstract: Electrophilic Addition to o‐ArY‐Substituted Phenylalkynes. A Highly Selective Cyclization Controlled by Heteroatoms.
Authors: KITAMURA T. , TAKACHI T. , KAWASATO H. , KOBAYASHI S. , TANIGUCHI H.
Published: May 2016

Acid‐induced cyclization of the phenoxytolan (I) yields the dibenzoxepin (IV).
ChemInform Abstract: Concave Functionality: Design Criteria for Nonaqueous Binding Sites.
Authors: WHITLOCK B. J. , WHITLOCK H. W.
Published: May 2016

The synthesis and p‐nitrophenol‐binding properties of cyclophane hosts (VIII) are described.
ChemInform Abstract: Multiple‐Bond Character Between Two Carborane Polyhedra: The Two‐Electron Reduction of Biscarborane.
Authors: GETMAN T. D. , KNOBLER C. B. , HAWTHORNE M. F.
Published: May 2016

In an effort to extend the chemistry and possibly to determine the molecular structure of the (nido‐C2B10H12)2‐ anion, a valuable synthon for numerous metallacarboranes, i.e. the biscarborane (I) is reduced.
ChemInform Abstract: Water‐Soluble Metal Complexes and Catalysts. Part 2. Synthesis of Tris(sodium‐m‐sulfonatophenyl)phosphane in Pure Form and Catalysis‐Relevant Rhodium Complexes.
Authors: HERRMANN W. A. , KULPE J. A. , KONKOL W. , BAHRMANN H.
Published: May 2016

By modification and optimization of the gel‐permeation chromatography, a most reliable method for the purification of aqueous solutions of the title ligand (I) and its industrially important Rh complex derivatives is developed.
ChemInform Abstract: Amino Acids and Peptides. Part 73. What Are the Structures of Fenestin A and Fenestin B?
Authors: SCHMIDT U. , LIEBERKNECHT A. , KAZMAIER U. , HASLINGER E.
Published: May 2016

The cyclic peptides fenestin A and B isolated from Leucophloeus fenestra are proposed from further work to possess the structures (I) and (II).
ChemInform Abstract: Asymmetric Synthesis of Protected α‐Fluoroglycines.
Authors: BAILEY P. D. , BOA A. N. , CROFTS G. A. , VAN DIEPEN M. , HELLIWELL M. , GAMMON R. E. , HARRISON M. J.
Published: May 2016

Chlorotrifluoroethylene (I) reacts with (S)‐1‐phenethylamine (II) to give the diastereomeric chlorofluoroacetamides (III) and (IV) which are substituted with potassium phthalimide (V) to form the bisphthalimide (VI).
ChemInform Abstract: O‐Glycosylhydroxylamines: A New Class of Monosaccharides.
Authors: NASHED E. M. , GROCHOWSKI E. , CZYZEWSKA E.
Published: May 2016

The mixture of the O‐glycosyl‐N‐hydroxyphthalimides (I) is treated with methylamine to produce the O‐glycosylhydroxylamines (II).
ChemInform Abstract: Physical Properties and Structure of Silica‐Alumina‐Europium Oxide Glasses.
Authors: TANABE S. , SOGA N. , HIRAO K. , HANADA T.
Published: May 2016

Glasses of composition 50SiO2·(50‐x)Al2O3·xEu2O3 with x = 10‐40 mol% are prepared and characterized by measurements of the density, sound velocity, elastic modulus, and AlKα band emission, and Moessbauer spectroscopy.
ChemInform Abstract: Effect of a Liquid Phase on Superplasticity of 2‐mol%‐Y2O3‐Stabilized Tetragonal Zirconia Polycrystals.
Authors: HWANG C.‐M. J. , CHEN I‐W.
Published: May 2016

The addition of a small amount of CuO to the Y2O3‐stabilized tetragonal zirconia results in the formation of an amorphous grain‐boundary phase that contains primarily Cu+, Y3+, Zr4+, and O2‐ and enhances the superplasticity.
ChemInform Abstract: Semiconducting and Electrocatalytic Properties of Sputtered Cobalt Oxide Films.
Authors: SCHUMACHER L. C. , HOLZHUETER I. B. , HILL I. R. , DIGNAM M. J.
Published: May 2016

Cobalt oxide films, reactively sputtered in a 100% pure O2 plasma, display very different surface and bulk oxygen‐to‐cobalt ratios with the bulk being oxygen‐deficient, whereas the surface contains oxygen in excess.
ChemInform Abstract: Effects of Sm2O3 and Gd2O3 + Nd2O3 on Electromechanical Properties of PbTiO3 Ceramics.
Authors: XUE W. R. , SCHULZE W. A. , NEWNHAM R. E.
Published: May 2016

The influence of 6‐14% substitution of Pb in PbTiO3 ceramics by Sm or Gd + Nd on the electromechanical properties is studied.
ChemInform Abstract: Suspension Electrodeposition of Phosphorus and Copper.
Authors: GRAYDON J. W. , KIRK D. W.
Published: May 2016

The electrodeposition of red phosphorus particles and Cu from a suspension of red phosphorus in a CuSO4/H2SO4 aqueous solution is studied as a function of suspension concentration, current density, temp., solution additives, and particle size.
ChemInform Abstract: The Application of ICP‐MS and XPS to Studies of Ion Selectivity During Passivation of Stainless Steels.
Authors: CASTLE J. E. , QIU J. H.
Published: May 2016

Fe17Cr, Fe15Cr4Mo, and Fe19Cr10Ni stainless steels are passivated in 0.1 M H2SO4 and the corrosion products in the passivating solutions are analyzed by using the inductively coupled plasma‐source mass spectrometry.
ChemInform Abstract: The Electrolytic Formation of Barium Superoxide as a Reactive Intermediate in Aqueous Solutions.
Authors: FRANKLIN T. C. , DARLINGTON J. , ADENIYI W. K.
Published: May 2016

It is demonstrated that an active intermediate which catalyzes the anodic destruction of CCl4 can be electrolytically generated by oxidation of BaO2 in aqueous NaCl solutions containing cationic surfactants (e.g., dodecyltrimethylammonium chloride).
ChemInform Abstract: Active‐to‐Passive Transition in the Oxidation of Silicon Carbide and Silicon Nitride in Air
Authors: VAUGHN W. L. , MAAHS H. G.
Published: May 2016

is studied as a function of temp. and pressure.
ChemInform Abstract: Preparation and Characterization of Hydrazinium(1+) and (2+) Hexafluorostannates(IV) and Hydrazinium(2+) Hexafluorostannate(IV) Difluoride.
Authors: RAHTEN A. , GANTAR D. , LEBAN I.
Published: May 2016

The synthesis of the two new N2H62+ compounds (III) and (VI) is described.
ChemInform Abstract: Spectroscopic Studies on 4‐Nitrophenylhydrazones of Secondary and Tertiary α‐Ketoamides.
Authors: WALDHEIM G. , MOEHRLE H. + , RUEDIGER S. +
Published: May 2016

To elucidate the structure features caused by H‐bonds and substituents and the resulting spectroscopical consequences for assignment, a range of title compounds such as (III) are prepared (yield 60‐90%) which exist in two stable isomeric forms (E/Z).
ChemInform Abstract: Synthesis of β‐Fluoroamines.
Authors: TOULGUI C. , CHAABOUNI M. M. , BAKLOUTI A.
Published: May 2016

Reaction of the β‐fluoro tosylates (I) with the amines (II) yields the corresponding substitution products (III).
ChemInform Abstract: The Remarkable Nucleophilic Substitutions of Anthraquinones Using Podands as Nucleophiles and Leaving Groups.
Authors: YOO H. K. , DAVIS D. M. , CHEN Z. , ECHEGOYEN L. , GOKEL G. W.
Published: May 2016

1‐Chloroanthraquinone (I) fails to react with the alkanols (II) in the presence of a base.
ChemInform Abstract: Substituent Effects. Part 18. The Resonance Demand in the Acetolysis of Neophyl Brosylates.
Authors: FUJIO M. , GOTO M. , MISHIMA M. , TSUNO Y.
Published: May 2016

Based on the Yukawa‐Tsuno LArSR equation, the degree of resonance interaction between the aryl and the reaction site in the rate‐determining transition state (resonance demand) is evaluated to 0.57 for the acetolysis of (I).
ChemInform Abstract: A New Alkaline Rearrangement of the Benzofuran Skeleton. One‐Step Transformation of 2‐(2‐Benzofuranyl)benzonitriles into (Z)‐Phenylmethyleneisoindolinones.
Authors: GUILLAUMEL J. , BOCCARA N. , DEMERSEMAN P. , ROYER R. , BIDEAU J. P. , COTRAIT M. , PLATZER N.
Published: May 2016

The alkaline hydrolysis of the nitriles (I) using KOH (EtOH, reflux) stops at the corresponding amides (II).
ChemInform Abstract: 2,2‐Dimethoxy‐2‐phenylacetophenone: Photochemistry and Free Radical Photofragmentation.
Authors: FISCHER H. , BAER R. , HANY R. , VERHOOLEN I. , WALBINER M.
Published: May 2016

The photochemical behaviour of the photocuring agent (I) is restudied by a variety of techniques and for various light intensities.
ChemInform Abstract: Photosensitized Cleavage of β‐Phenylthio Alcohols: A Synthetically Useful Indirect Redox Cleavage of the Olefinic Bond.
Authors: GRAVEL D. , FARMER L. , AYOTTE C.
Published: May 2016

β‐Phenylthio alcohols such as (I), (II), (V), and (VII), obtained by ring‐opening of the corresponding epoxides, undergo photosensitized cleavage reaction to form the carbonyl compounds (II), (IV), (VI), and (VIII) respectively.
ChemInform Abstract: Mild Fluorination of Uracil Derivatives by Cesium Fluorooxysulfate.
Authors: STAVBER S. , ZUPAN M.
Published: May 2016

Fluorination of the 5‐halouracils (I) using Cs(SO4)F under mild conditions in the presence of an alcohol (II) results in the regioselective formation of the syn‐5‐fluoro‐6‐alkoxy adducts (III).
ChemInform Abstract: Studies of the Application of Elemento‐Organic Compounds of the 15th and 16th Group in Organic Synthesis. Part 84. A Novel Methylenation Method of Aldehydes Mediated by Dibutyl Telluride.
Authors: LI S.‐W. , HUANG Y.‐Z. , SHI L.‐L.
Published: May 2016

In the presence of dibutyl telluride the reaction between iodomethyl‐triphenylphosphonium iodide (I), which is easily available from Ph3P and CH2I2, and the aldehydes (II) affords the alkenes (III) in fair to high yields.
ChemInform Abstract: Reactions of Episulfoxides and Episulfides with Organolithium Reagents.
Authors: BONINI B. F. , MACCAGNANI G. , MAZZANTI G. , ZANI P.
Published: May 2016

Reactions of episulfoxides such as (I), (XII) or episulfides such as (VIII) with organo Li reagents, e.g. BuLi (VI) give rise to various products such as shown in the scheme after treatment with MeI (VII).
ChemInform Abstract: Efficient Nucleophilic Oxirane Ring Cleavage with Dibutyltin Diazide.
Authors: SAITO S. , NISHIKAWA T. , YOKOYAMA Y. , MORIWAKE T.
Published: May 2016

The epoxides (I) or (VI) react with dibutyltin diazide (II) in general to form predominantly the 1‐azides (III) or (VI).
ChemInform Abstract: A Simple and Convenient Method for Cleavage of Silyl Ethers.
Authors: DALLA CORT A.
Published: May 2016

The silyl ethers (I) and (III) are cleaved upon treatment with various Lewis acids in acetonitrile to form the corresponding secondary or primary alcohols (II).
ChemInform Abstract: Synthesis of Stereoisomeric 3‐Substituted Cyclobutanecarboxylic Acid Derivatives.
Authors: DEHMLOW E. V. , SCHMIDT S.
Published: May 2016

The 3‐substituted cyclobutanecarboxylic acids (I), prepared according to known procedures, are inseparable 1:1 mixtures of the cis and trans isomers.
ChemInform Abstract: BF3 Etherate Mediated 1,4‐Addition of 1‐Alkenyldialkoxyboranes to α,β‐Unsaturated Ketones, a Stereoselective Synthesis of γ,δ‐Unsaturated Ketones.
Authors: HARA S. , HYUGA S. , AOYAMA M. , SATO M. , SUZUKI A.
Published: May 2016

The vinylboronates (I) are coupled with the unsaturated ketones (II) in the presence of BF3 etherate, yielding the γ,δ‐unsaturated ketones (III).
ChemInform Abstract: An Inexpensive and Convenient Preparation of Methoxymethyl and Phenylthiomethyl Ethers.
Authors: DIETER R. K. , DATAR R.
Published: May 2016

The alcohols (I) are converted to the methoxymethyl ethers (III) by acid‐promoted acetal exchange with dimethoxymethane (II).
ChemInform Abstract: Stereochemistry. Part 77. Structure of the IN3 Adduct of 1‐Phenylcyclohexene. Its Chemistry and CH Coupling as a Diagnostic Tool.
Authors: HASSNER A. , DEHAEN W.
Published: May 2016

The authors reinvestigate the addition reaction of iodine azide (II) to 1‐phenylcyclohexene (I) and confirm the originally assigned structure (III) for the product by spectroscopic and chemical evidence.
ChemInform Abstract: Reactive Annulenones: A Comparative Study.
Authors: GAVINA F. , COSTERO A. M. , GONZALEZ A. M.
Published: May 2016

The condensation reaction of phenylglyoxal (I) and acetone (II) gives the cyclopentenone (III) which reacts with the chlorosulfonated resin (IV) to form the polymer‐bound sulfonyloxycyclopentenone (V).
ChemInform Abstract: Synthesis of β‐Lactams via Cycloaddition of Hydrazones with Phenoxyketene.
Authors: SHARMA S. D. , PANDHI S. B.
Published: May 2016

(2+2)Cycloaddition reaction of phenoxyketene, generated from the acetyl chloride (I), with the N,N‐disubstituted hydrazones (II) yields the β‐lactams (III).
ChemInform Abstract: Two Rings in One‐Step: A Novel 1,2,4‐Triazolo(1,5‐a)pyridone with an Unusual Crystal Structure.
Authors: MARTIN N. , QUINTEIRO M. , SEOANE C. , SOTO J. L. , FONSECA I. , FLORENCIO F. , SANZ J.
Published: May 2016

Cyclocondensation reaction of the cyanoacetyl hydrazide (I) with the dinitrile (II) in the presence of piperidine (III) gives the triazolopyridone salt (IV).
ChemInform Abstract: Synthesis of Z‐ and E‐N9‐(4‐Hydroxy‐1‐buten‐1‐yl)adenine. New Unsaturated Analogues of Adenosine.
Authors: PHADTARE S. , ZEMLICKA J.
Published: May 2016

The Z‐ and E‐hydroxybutenyladenines (I) and (III) undergo base‐catalyzed rearrangement to give stereoselectively the E‐ and Z‐isomers (II) and (IV) respectively.
ChemInform Abstract: Reductive Transformations of 5,6‐Dihydro‐4H‐1,2‐oxazines: Synthesis of 4‐Hydroxy Ketoximes, N‐Hydroxypyrrolidine Derivatives, and Other Nitrogen‐Containing Compounds.
Authors: HIPPELI C. , REISSIG H.‐U.
Published: May 2016

6‐Silyloxy‐substituted 1,2‐oxazines such as (I) are converted into 4‐hydroxy ketoximes (cf.
ChemInform Abstract: Ring Closure and Ring Expansion Reactions in Bridged Triarylphosphanes and Triarylarsanes with o‐Isopropenyl Substituents. Novel Candidates for Turnstile Geometry.
Authors: HELLWINKEL D. , WIEL A. , SATTLER G. , NUBER B.
Published: May 2016

ortho‐Cyclizations to C3v polycycles (IV) ((IVa): space group P21/n, Z=4; (IVb): P21/a, Z=4) and novel ring expansions by three ring members to the polycycles (VI) (P1, Z=2) and (VIII) take place on acid treatment of the 2,6‐diisopropenylphenyl derivatives (III), (V), and (VII), respectively.
ChemInform Abstract: Carbamoyllithiums. A Novel Method for Generation by Lithium‐Tellurium Exchange Reaction.
Authors: HIIRO T. , MOGAMI T. , KAMBE N. , FUJIWARA S. , SONODA N.
Published: May 2016

The title agents (VI) are generated by treatment of the carbamoyl chlorides (IV) with lithium n‐butyltelluride (III) and subsequent transmetalation with n‐butyllithium (II).
ChemInform Abstract: Synthesis, Structure, and Gas Phase Decomposition of (Cd(EC6H2tBu3)2)2 (E: S, Se). First Examples of Low‐Coordinate Volatile Cadmium Chalcogenolate Complexes.
Authors: BOCHMANN M. , WEBB K. , HARMAN M. , HURSTHOUSE M. B.
Published: May 2016

The structure analysis of (IIIa) (space group P21/n, Z=4) shows that the compounds are dimer in the solid state.
ChemInform Abstract: Intramolecular Pictet‐Spengler Reaction of N‐Alkoxytryptophans and Tryptamines. Part 2. Synthesis of Corynanthe Alkaloid Derivatives Containing a Tetrahydro‐1,2‐oxazine as the D Ring.
Authors: HERMKENS P. H. H. , VAN MAARSEVEEN J. H. , BERENS H. W. , SMITS J. M. M. , KRUSE C. G. , SCHEEREN H. W.
Published: May 2016

The hydroxytryptamine (I) is N‐protected with the chloroformate (II) and then converted to the N‐(4,4‐dimethoxybutoxy) derivative (V).
ChemInform Abstract: Side Chain Specificity in the Enzymatic Synthesis of Penicillins.
Authors: BALDWIN J. E. , SCHOFIELD C. J. , SMITH B. D.
Published: May 2016

The L‐cysteinyl‐D‐valine derivatives (I) are converted to the penicillins (II).
ChemInform Abstract: Synthesis and Gas Chromatographic Separation of the Eight Stereoisomers of Diprionol and Their Acetates, Components of the Sex Pheromone of Pine Sawflies.
Authors: HOEGBERG H.‐E. + , HEDENSTROEM E. + , WASSGREN A.‐B. , HJALMARSSON M. , BERGSTROEM G. + , LOEFQVIST J. + , NORIN T.
Published: May 2016

The synthesis of the eight possible isomers of the title compound (I) and their acetates is described.
ChemInform Abstract: Enhancement of Fluorescent Intensity of a SiO2:Sm Glass by Al Codoping and Local Structure Around Sm by an EXAFS Study.
Authors: MORIMO R. , MIZUSHIMA T. , UDAGAWA Y. , KAKUTA N. , UENO A. , OKUMURA H. , NAMIKAWA H.
Published: May 2016

It is shown that the emission intensity is significantly increased by Al‐codoping of the SiO2:Sm phosphor (preparation by the sol‐gel method using Sm(NO3)3, Al(NO3)3, and Si(OEt)4 in EtOH/H2O).
ChemInform Abstract: Cl Level Effects on Corrosion for Various Metallization Systems
Authors: PAREKH N. , PRICE J.
Published: May 2016

are studied using X‐ray fluorescence spectrometry to determine the Cl and F levels.
ChemInform Abstract: Oxidation of Plasma‐Deposited α‐SixC1‐x:H Films
Authors: ELDRIDGE J. M. , MOORE J. O. , OLIVE G. , DUNTON V.
Published: May 2016

in dry oxygen and air at 500‐900 °C is studied for compositions in the range 0.25 ≦ x ≦ 0.51 and varying hydrogen concentrations.
ChemInform Abstract: Preparation and Characterization of Pt(RuO2)/TiO2 Catalysts: Test in a Continuous Water Photolysis System.
Authors: ESCUDERO J. C. , CERVERA‐MARCH S. , GIMENEZ J. , SIMARRO R.
Published: May 2016

Pt(RuO2)/TiO2 photocatalysts are prepared using three different methods to deposit Pt on TiO2 or RuO2/TiO2 powders: 1. reaction of sodium citrate and H2PtCl6 in the presence of the powder, 2. H2 reduction of H2PtCl6‐impregnated powders at 400 °C, and 3. photoplatinization using suspensions of the powder in aqueous H2PtCl6 solution.