bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis and Crystal Structure of the Homoleptic Thioether Ruthenium Complex (Ru(1,4,7‐trithiacyclononane)2)(BPh4)2·2 Me2SO.
Authors: BELL M. N. , BLAKE A. J. , SCHROEDER M. + , KUEPPERS H.‐J. + , WIEGHARDT K.
Published: May 2016

The complex cation of (I) could be prepared by reaction of RuCl3·6 H2O with trithianonane (excess) in DMSO at elevated temp. or by reaction of (RuCl2(C6H6))2 with the ligand in MeOH at 20 °C. Recrystallization of the complex in DMSO in the presence of NaBPh4 yields (I) (no yield given) which crystallizes in the space group P21/c with Z=2.
ChemInform Abstract: Reaction of 2‐Amino‐5‐nitrothiazole with Palladium Salts.
Authors: FARRELL N. , GOMES CARNEIRO T. M.
Published: May 2016

The 1:2 molar reaction of Na2PdCl4 with the title ligand in methanol gives the neutral trans‐complex (I).
ChemInform Abstract: Preparation and Coordination Chemistry of 2,6‐Diacetylpyridine Bis(6‐chloro‐2‐pyridylhydrazone).
Authors: CONSTABLE E. C. , HOLMES J. M.
Published: May 2016

The title ligand (III) is prepared as shown.
ChemInform Abstract: 1,3‐Bis(diphenylphosphino)propane‐Bridged Complexes. X‐Ray Crystal and Molecular Structure of Ir2(CO)2Cl2(μ‐Ph2P(CH2)3PPh2)2, Its Reactions with H2 and O2, and the Structure of Ir2(CO)2Cl2(O2)(μ‐Ph2P(CH2)3PPh2)2.
Authors: WANG H.‐H. , PIGNOLET L. H. , REEDY P. E. JUN. , OLMSTEAD M. M. , BALCH A. L.
Published: May 2016

The complex (I) crystallizes in the space group C2/c with Z=4.
ChemInform Abstract: Synthesis of the Mammea Coumarins. Part 1. The Coumarins of the Mammea A, B, and C Series.
Authors: CROMBIE L. , JONES R. C. F. , PALMER C. J.
Published: May 2016

Pechmann condensation of corresponding acylphloroglucinols (I) and ketoesters (II) gives separable mixtures of the regioisomeric coumarins (III) and (IV) whose isoprenylation leads to the naturally occurring Mammea coumarins of the A series ((VIa), (VIIa)), B series ((VIb), (VIIb)), and C series ((VIc), (VIIc)).
ChemInform Abstract: Retinoids. Part 8. Azidoretinoids.
Authors: HOPF H. , KRAUSE N.
Published: May 2016

The synthesis of some azidoretinoids such as (III) or (X) from the aldehydes (II) or (IX), which are prepared by known methods, is described.
ChemInform Abstract: Condensed Phases of Difluoramine and Its Alkali‐Metal Fluoride Adducts.
Authors: CHRISTE K. O. , WILSON R. D.
Published: May 2016

As shown by low‐temp.
ChemInform Abstract: The Thermal Light Emission of NH3·BH3
Authors: GEANANGEL R. A. , WENDLANDT W. W.
Published: May 2016

which has been detected by the technique of emission thermophotometry during the thermal decomposition reaction in an O2 atmosphere is investigated in detail.
ChemInform Abstract: Effects of Cation Substitution on Electrical and Thermal Transport Properties of YCrO3 and LaCrO3
Authors: WEBER W. J. , GRIFFIN C. W. , BATES J. L.
Published: May 2016

have been studied by measurements of the high‐temp.
ChemInform Abstract: Origin of ZnO Varistor.
Authors: FUJITSU S. , TOYODA H. , YANAGIDA H.
Published: May 2016

I‐V curves have been measured for porous ZnO treated under different oxidizing conditions.
ChemInform Abstract: Electrochemical and Surface Science Investigations of PtCr Alloy Electrodes.
Authors: PAFFETT M. T. , DAUBE K. A. , GOTTESFELD S. , CAMPBELL C. T.
Published: May 2016

A series of bulk PtxCr1‐x alloys (x = 0.2, 0.5, 0.65, and 0.9) has been investigated by cyclic voltammetry in 0.05 M H2SO4 and 85% H3PO4, and analysis of the electrode surface composition and electrolyte following electrochemical treatment.
ChemInform Abstract: Redox Reactions of Superoxotitanium(IV) in Acidic Perchlorate Solution.
Authors: BOURKE G. C. M. , THOMPSON R. C.
Published: May 2016

Kinetic studies on the redox reactions of TiO23+ (and TiO2(OH)2+) with sulfur(IV), oxovanadium(IV), iron(II), titanium(III), hexachloroiridate(III), bromide, iodide, and chlorine by a stopped‐flow technique show the superoxotitanium(IV) reduction to proceed by a 1‐equiv.
ChemInform Abstract: Synthesis and Crystal Structure of (N(PPh3)2) (VCl3(N3S2))·C7H8.
Authors: EL‐KHOLI A. , CHRISTOPHERSEN R. , MUELLER U. + , DEHNICKE K.
Published: May 2016

The title compound can be prepared either by reaction of (I) with excess PPh3 in CH2Cl2 and subsequent addition of toluene (11.9% yield) or by reaction of (I) with (II) in CH2Cl2 in the presence of toluene as shown in the scheme.
ChemInform Abstract: Reduction‐Oxidation Properties of Organotransiton‐Metal Complexes. Part 25. The One‐Electron Reduction of Cationic Cyclopentadienyl‐Cobalt and ‐Rhodium Nitrosyl Derivatives.
Authors: CONNELLY N. G. , RAVEN S. J. , GEIGER W. E.
Published: May 2016

The title complexes (Ia) and (Ib) or (IIIa) and (IIIb) undergo diffusion‐controlled, one‐electron reduction at a platinum‐bead electrode leading to the dimers (II) in the case of Co. The primary reaction products (Ic) have been detected by ESR‐spectroscopy at ‐196 °C. The Rh analogues (IIIc) are stable at room temp. and have been isolated via chemical reduction with cobaltocene (91% yield for L: P(OMe)3).
ChemInform Abstract: Synthesis and Claisen Rearrangement of Alkoxyallyl Enol Ethers. Evidence for a Dipolar Transition State.
Authors: COATES R. M. , ROGERS B. D. , HOBBS S. J. , PECK D. R. , CURRAN D. P.
Published: May 2016

Oxidation of the seleno acetal (I) gives the ethoxyallyl enol ether (II), which undergoes Claisen rearrangement to the ketone (III).
ChemInform Abstract: A Carbocationic 1,3‐Alkenyl Shift.
Authors: BAEUML E. + , KOLBERG G. , MAYR H.
Published: May 2016

Tetramethylallyl chloride (I) and styrene (II) form the adduct (III) which reacts with tin tetrachloride, yielding the products (VI) ‐ (VIII) via the carbocationic intermediates (IV) and (V).
ChemInform Abstract: Fast Halogen Abstractions from Alkyl Halides by Alkyl Radicals. Quantitation of the Processes Occurring in and a Caveat for Studies Employing Alkyl Halide Mechanistic Probes.
Authors: NEWCOMB M. , SANCHEZ R. M. , KAPLAN J.
Published: May 2016

Second‐order rate constants for halogen atom transfer (kRX) in benzene at 50 °C are determined for reactions of octyl radical with the alkyl halides (I) using two methods.
ChemInform Abstract: Asymmetric Catalytic Hydrogenations of N‐Pyruvoyl‐(S)‐proline Esters.
Authors: MUNEGUMI T. , FUJITA M. , MARUYAMA T. , SHIONO S. , TAKASAKI M. , HARADA K.
Published: May 2016

Asym. catalytic reaction of the title compounds (I) affords the corresponding lactoyl proline esters with the (S)‐form (II) predominating in diastereomeric excesses (d.e.) up to 58%.
ChemInform Abstract: Facile Alkylation of o‐Hydroxyarylaldehydes and α‐Formylketones with Trialkylboranes.
Authors: OKADA K. , HOSODA Y. , ODA M.
Published: May 2016

Salicylaldehyde (I) reacts with the trialkylboranes (II) to give the complexes (III) which rearrange, forming the compounds (IV).
ChemInform Abstract: Synthesis of Amino‐β‐lactams by the Photolytic Reaction of Imines with Pentacarbonyl((dibenzylamino)carbene)chromium(0).
Authors: BOREL C. , HEGEDUS L. S. , KREBS J. , SATOH Y.
Published: May 2016

Reaction of the Vilsmeier's salts derived from (I) with Na2Cr(CO)5 (II) yields the chromium‐carbene complexes (III).
ChemInform Abstract: A Simple Synthesis of trans,trans‐1,3‐Dienes from Terminal Alkynes Using CoCl2/Ph3P/NaBH4.
Authors: SATYANARAYANA N. , PERIASAMY M.
Published: May 2016

The cobalt hydride reagent (II), prepared in situ in the manner described, causes hydrodimerization of the acetylenes (IV), producing the trans,trans‐dienes (V).
ChemInform Abstract: Hydroformylation of Unsaturated Dicarboxylic Esters with Rhodium Containing Catalysts.
Authors: KOLLAR L. , CONSIGLIO G. , PINO P.
Published: May 2016

The rhodium‐catalyzed hydroformylation of dimethyl itaconate (I) is investigated.
ChemInform Abstract: Reaction of Sodium Ethenethiolate with Dibromodivinyl Sulfides in Liquid Ammonia.
Authors: AMOSOVA S. V. , GOSTEVSKAYA V. I. , GAVRILOVA G. M. , SIGALOV M. V.
Published: May 2016

Sodium ethenethiolate is prepared by the reaction of divinyl sulfide (I) with sodium in liquid ammonia.
ChemInform Abstract: Synthesis of Conjugated α‐Aryl‐ω‐chloroperfluoropolyenes.
Authors: YAGUPOL'SKII L. M. , CHEREDNICHENKO P. G. , KREMLEV M. M.
Published: May 2016

The title compounds (III) are obtained by the reactions between the arylmagnesium bromides (I) and the perhalogenoalkanes (II).
ChemInform Abstract: A Regiospecific Method for the Hydrocyanation of Olefins.
Authors: BUCHWALD S. L. , LAMAIRE S. J.
Published: May 2016

The olefins (II) and the zirconocene (I) form the adducts (III).
ChemInform Abstract: Stereoselective Reactions Induced by a Thermolabile Group: Chelation and Non Chelation Controlled Additions of Organometallics to a Diels‐ Alder Adduct of Furan.
Authors: BLOCH R. , GILBERT L.
Published: May 2016

The tricyclic lactone (I) is reductively converted to the lactol (II) which undergoes reactions via the ring‐opened isomer (III).
ChemInform Abstract: Conjugate Addition of Furans to Enones or Their Synthetic Equivalents.
Authors: POIRIER J.‐M. , DUJARDIN G.
Published: May 2016

Reaction of the furan derivatives (III), (VII), (IX), (XII), and (XIV) with the olefinic compounds (I) or (II) yields the ketones (V), (VI), (VIII), (X), (XIII), and (XV).
ChemInform Abstract: Synthesis of 4,9‐Diethoxy‐5,6(7),8‐trimethoxy‐1,3‐dihydronaphtho‐(2,3‐c)furan‐1‐one: A Key Synthon of Fredericamycin A. Regiospecific Synthesis of 9‐Ethoxy‐4,5,6,8‐tetramethoxy‐1,3‐dihydronaphtho(2,3‐c)furan‐1‐one: A Key Synthon of Fredericamycin A.
Authors: RAO A. V. R. , REDDY C. R. , ANNAPURNA G. S. , DESHPANDE V. H. , SREENIVASAN N. , REDDY D. R.
Published: May 2016

The lactones (XI), which are precursors of frederamycin A, are prepared from vanillin (I) as shown in the reaction scheme.
ChemInform Abstract: Application of Allenylsilanes in a Regiocontrolled (3 + 2) Annulation Route to Substituted Isoxazoles.
Authors: DANHEISER R. L. , BECKER D. A.
Published: May 2016

The silylated allenes (I), (IV), and (VI) react with the nitrosyl cation of (II), producing isoxazoles such as (III).
ChemInform Abstract: Direct Fluorination of Substituted Pyridines.
Authors: VAN DER PUY M.
Published: May 2016

The pyridines (I) react with elemental fluorine to produce the corresponding 2‐fluoro substituted pyridines (II).
ChemInform Abstract: Novel (.+‐.)‐1‐Phenyltetrahydroisoquinolines and 1‐Phenylisoquinolines: Potential Intermediates in Alkaloid Synthesis.
Authors: VENUGOPALAN B. , BROSSI A.
Published: May 2016

Reaction of the phenethylamine (I) with the acyl chloride (II) yields the amide (III), which cyclizes to form the dihydroisoquinolines (IVa) and (IVb) respectively after deprotection.
ChemInform Abstract: Syntheses of Bis(vinylenedithio)tetrathiafulvalene and Bis(methylvinylenedithio)tetrathiafulvalene.
Authors: NAKAMURA T. , IWASAKA S. , NAKANO H. , INOUE K. , NOGAMI T. , MIKAWA H.
Published: May 2016

The title compounds (V) (BVDT‐TTF) and (IX) (BMVDT‐TTF) are synthesized as attractive donor molecules for highly conductive salts starting from the known compound (I) by the routes shown in the scheme.
ChemInform Abstract: Ozonation and Chemiluminescence of 8,8,9,9‐Tetramethylacenaphtho‐(1,2‐b)‐1,4‐dioxin. Evidence for Dual Reaction Pathways.
Authors: FANG T.‐S. , MEI W.‐P.
Published: May 2016

Ozonation of the title compound (I) yields the compound (III) as the main product via rearrangement of (II).
ChemInform Abstract: Synthesis and Pyrolysis of Cyclic Sulfonium Ylides.
Authors: DAVIES H. M. L. , CRISCO L. V. T.
Published: May 2016

The chlorohydrins (I) are transformed into the iodoalkyl phenylsulfides (III).
ChemInform Abstract: A Versatile Method of Synthesis of Anilines and Cyclohexenones.
Authors: DIFFERDING E. , VANDEVELDE O. , ROEKENS B. , VAN T. T. , GHOSEZ L.
Published: May 2016

The unsaturated nitriles (I) and (V) are converted to the N‐silylketenimines (III) or (VI).
ChemInform Abstract: A Novel and Efficient Synthesis of the Key Intermediate of 1β‐Methylcarbapenem Antibiotics from (S)‐Methyl 3‐Hydroxy‐2‐methylpropionate.
Authors: KAWABATA T. , KIMURA Y. , ITO Y. , TERASHIMA S. , SASAKI A. , SUNAGAWA M.
Published: May 2016

The hydroxyester (S)‐(I) is converted to the imines (IV) which undergo cycloaddition with diketene (V) to produce the β‐lactams (VI) and (VII).
ChemInform Abstract: A Stable and Long‐Lived Germaimine.
Authors: GLIDEWELL C. , LLOYD D. , LUMBARD K. W. , MCKECHNIE J. S.
Published: May 2016

The electron‐rich germylene (I) reacts with the diazomalonate (II) to give the germaimine (III) which is stable when solved in benzene in the absence of air.
ChemInform Abstract: A Regioselective Synthesis of 2‐Tributylstannyl‐1,3‐dienes.
Authors: NATIVI C. , TADDEI M. , MANN A.
Published: May 2016

3‐Trimethylsilylpropyne (I) is coupled with the carbonyl compounds (II), yielding the propargylic alcohols (III).
ChemInform Abstract: Synthesis of New Bismuth Organometallic Compounds. Part 2.
Authors: AL‐WASSIL A. , ABU‐SAMN R. , MUKHALALATI M.
Published: May 2016

On the basis of elemental analysis, 1H NMR, IR, and MS spectroscopic studies, the product from BiCl3 and NHPh2 is identified to be the ionic complex (I).
ChemInform Abstract: Gas‐Phase Observation and CO Substitution Kinetics of cis‐Cr(CO)4(C2H4)2 by Time‐Resolved IR Absorption Spectrometry.
Authors: WEILLER B. H. , GRANT E. R.
Published: May 2016

The title compound is unstable and reacts with CO by dissociative substitution.
ChemInform Abstract: Synthesis and Molecular Structure of Kryptofix 222 Potassium Phthalocyaninato Ferrate, (K Contained in 222) (FePc), and (18‐Crown‐6) Lithium (18‐Crown‐6)(tetrahydrofuran) Lithium Phthalocyaninato Ferrate, (Li Contained in 18c.6) (Li(THF) Contained in 18c.6) (FePc).
Authors: TAHIRI M. , DOPPELT P. , FISCHER J. , WEISS R.
Published: May 2016

Reduction of Fe(II) phthalocyanine by K (Kryptofix 222) tert. butylthiolate in chlorobenzene or by LiAlH4 in THF in the presence of 18‐crown‐6 leads to the title compounds.
ChemInform Abstract: Lewis Acidity of Nickel(0). Part 6. Dimethylmethyleneoxosulfurane Complexes of Nickel(0).
Authors: POERSCHKE K.‐R. +
Published: May 2016

Tris(ethene)‐Ni(0) (I) reacts with dimethylmethyleneoxosulfurane below 0 °C to yield the complex (II).
ChemInform Abstract: Synthesis and Crystal Structure of Dinuclear Rh(II) Complexes with 1,10‐Phenanthroline and Its 4,7‐ and 3,4,7,8‐Methyl Derivatives.
Authors: CALLIGARIS M. , CAMPANA L. , MESTRONI G. , TORNATORE M. , ALESSIO E.
Published: May 2016

The 1:2 molar reaction of Rh2(OAc)4(OH2)2 with the phenanthroline ligands in refluxing MeOH in the presence of two molequiv.
ChemInform Abstract: Unsymmetrical Dinuclear (Pd‐Pd) Complexes Containing CO, CNR, SO2, and C2(CO2Me)2 as Bridging Ligands.
Authors: WERNER H. , THOMETZEK P. , ZENKERT K. , GODDARD R. , KRAUS H.‐J.
Published: May 2016

The reaction of the cyclopentadienyl‐ and halide‐bridged dinuclear complexes (I) with CO, isonitriles, SO2, or dimethyl acetylenedicarboxylate leads to the formation of the compounds (II) in which the bridging ligand Z is asym.
ChemInform Abstract: Synthetic and Biosynthetic Studies of Porphyrins. Part 8. Syntheses of Hepta‐, Hexa‐, and Penta‐Carboxylic Porphyrins Related to Uroporphyrin‐I.
Authors: JACKSON A. H. , SUPPHAYEN D.
Published: May 2016

The title porphyrins as their methyl esters (III), (IXa)‐(IXc), of interest as abnormal metabolites in porphyrin biosynthesis, are synthesized by the Fischer (→ (III)) or b‐oxobilane (→ (IX)) routes starting from the pyrromethanes (I), (IV) and (V), whose preparation is described as well.
ChemInform Abstract: Perfluoroalkyl Esters of Sterols and Bile Acids.
Authors: MALIK A. A. , SHARTS C. M.
Published: May 2016

The title esters (III) and (V) are prepared from the sterols (I) or (IV) and the acyl chloride (II) as shown in the reaction scheme.
ChemInform Abstract: Asymmetric Synthesis of (1′R,3R,4R)‐4‐Acetoxy‐3‐(1′‐((tert‐butyldimethylsilyl)oxy)ethyl)‐2‐azetidinone and Other 3‐(1′‐Hydroxyethyl)‐2‐azetidinones from (S)‐(+)‐Ethyl 3‐Hydroxybutanoate: Formal Total Synthesis of (+)‐Thienamycin.
Authors: GEORG G. I. , KANT J. , GILL H. S.
Published: May 2016

The dianion/imine condensation between (I) and (II) gives a cis/trans mixture of the β‐lactams (III), which undergo Mitsunobu inversion and silylation to yield the inverted azetidinones (VI) ((R) configuration of the side chain).
ChemInform Abstract: Nitrogen Dissolution in Sodium Alkaline‐Earth Metaphosphate Melts.
Authors: RAJARAM M. , DAY D. E.
Published: May 2016

Phosphorus oxynitride glasses have been prepared by remelting phosphate glasses containing different amounts of Na2O and alkaline‐earth metal oxides in anhydrous ammonia.
ChemInform Abstract: Mass Spectroscopic Investigation of Boron Fluoride Complexes, MBF4
Authors: SCHAEFER H. + , RABENECK H.
Published: May 2016

, (M: Li, Na, K, Rb, Cs).
ChemInform Abstract: Selective Allylic Electrooxidation of α‐ and β‐Ionones.
Authors: GUIRADO A. , MOSS G. P. , UTLEY J. H. P.
Published: May 2016

Anodic oxidation of β‐ionone (I) yields mixtures of the products (II) and (III) or (IV) ‐ (VII), depending on the electrolysis conditions.
ChemInform Abstract: Thermodynamic Control in the Asymmetric Alkylation of the Dipole‐Stabilized Anions of Chiral Aminooxazolines.
Authors: GAWLEY R. E.
Published: May 2016

Deprotonation of the (S)‐configurated isoquinoline (I) with BuLi followed by quenching with DMSO‐d6 gives the deuterated epimer (II) with high stereoselectivity.
ChemInform Abstract: A Simple Preparation of Five‐Carbon Chiral Allylic and Homoallylic Alcohol Synthons.
Authors: TAKANO S. , SEKIGUCHI Y. , SATO N. , OGASAWARA K.
Published: May 2016

Reaction of (S)‐O‐benzylglycidol (I) with lithium acetylide ethylenediamine complex (II) in DMSO at temperatures below 5°C yields the terminal acetylenic alcohol (III), whereas at room temperature a mixture of the isomeric acetylenic alcohols (III) and (IV) is formed.
ChemInform Abstract: Homochiral Ketals in Organic Synthesis. Diastereoselective Cyclopropanation of α,β‐Unsaturated Ketals Derived from 1,4‐Di‐O‐benzyl‐L‐threitol.
Authors: MASH E. A. , NELSON K. A.
Published: May 2016

Treatment of the ketals (I) with the Simmons‐Smith reagent affords mixtures of the diastereomeric cyclopropanes (II) and (III); typically the diastereoselectivities amount to 9:1.
ChemInform Abstract: Reactions of α,ω‐Bis(bromomagnesio)alkanes with Heterocyclic Anhydrides. A Novel Synthesis of Five‐ and Six‐Membered 1‐(o‐Aminophenyl)cycloalkanols and 1‐(2′‐Amino‐3′‐pyridinyl)cycloalkanols.
Authors: CANONNE P. , BOULANGER R. , CHANTEGREL B.
Published: May 2016

Treatment of the anhydrides (I) with the title reagents (III) or (IV) gives cycloalkanols (II) or (V), the former products being obtained in higher yields.
ChemInform Abstract: Asymmetric Oxidation of Sulfides to Sulfoxides.
Authors: ZHAO S. H. , SAMUEL O. , KAGAN H. B.
Published: May 2016

The title sulfoxides (II) are obtained in high ee when the sulfides (I) are oxidized with cumene hydroperoxide in the presence of a chiral titanium complex.
ChemInform Abstract: Chemistry of Phosphorus. Part 173. Synthesis and Properties of the Diphosphiranimines (tBuP)2C=NR (R: 2,4‐tBu2C6H3, 2‐tBuC6H4).
Authors: BAUDLER M. , SIMON J.
Published: May 2016

The reaction of the compound (I) with isocyanide dichlorides (II) yields the first diphosphiranimines (III).
ChemInform Abstract: Synthesis and Characterization of a Novel 6‐Heteroaryl‐3,6‐dihydro‐2H‐ pyran‐2‐acetic Acid.
Authors: STOKKER G. E. , PITZENBERGER S. M.
Published: May 2016

Acid‐catalyzed rearrangement of the vinyllactone (I) produces the dihydropyran‐2‐acetic acid (II).
ChemInform Abstract: Synthesis and Properties of 2‐(1‐Acetylalkylidene)‐2H‐thiopyrans.
Authors: PULST M. , HOLLBORN B. , KROPFGANS F. , WEISSENFELS M.
Published: May 2016

Transformation of the aldehyde (Ia) to the nitrile (Ic) followed by reaction with MeMgI, hydrolysis with NH4Cl solution (→ (Id)) and H2O/H+ at 100 °C yields the title thiopyran (Ie).
ChemInform Abstract: Application of the Intramolecular α‐Amidoalkylation Reaction for the Synthesis of 2‐Arylsulfonyl‐1,2,3,4‐tetrahydroisoquinolines.
Authors: LUKANOV L. K. , VENKOV A. P. , MOLLOV N. M.
Published: May 2016

Reaction of the azomethines (I) with the sulfonyl chloride (II) or of the sulfonamides (IV) with the aldehydes (V) produces the 2‐arylsulfonyltetrahydroisoquinolines (III).
ChemInform Abstract: A New Route to (g)‐Fused 5‐Methyl‐1‐functionalized Isoquinolines.
Authors: BISAGNI E. , RAUTUREAU M.
Published: May 2016

The oxazolidine (III), obtained in three steps from the chloroisonicotinoyl chloride (I), is converted to the 3‐arylmethyl‐4‐acetyl‐2‐pyridones (VIII) by lithiation, coupling with the aldehydes (IV), subsequent cyclization followed by reductive ring opening and finally reaction with methyllithium.
ChemInform Abstract: Photoreactions of Phthalimide ‐ Thietanes: Fission of the Thietane Ring and Formation of 1,2‐Dithianes.
Authors: MACHIDA M. , ODA K. , YOSHIDA E. , KANAOKA Y.
Published: May 2016

Irradiation of the monothiophthalimide (I) in the presence of thietane (II) produces a mixture of the spirodithianes (III) and (IV).
ChemInform Abstract: Investigation of a By‐Product in the Azaphen Synthesis.
Authors: ARZAMASTSEV A. P. , RUTMAN I. M.
Published: May 2016

Reaction of the chlorodiazaphenoxazine (I) with N‐methylpiperazine (II) gives azaphen (III) and the diazaphenoxazinone (IV) as a by‐product.
ChemInform Abstract: Intramolecular Cyclisation Using Methyl(bismethylthio)sulphonium Salts. Part 5. Synthesis of Functionalized 4,5‐Dihydro‐3,1‐benzoxazepines.
Authors: CAPOZZI G. , OTTANA R. , ROMEO G.
Published: May 2016

N‐(o‐Allylphenyl)benzamide (I) and the sulphonium salt (II) are cyclized to form the benzoxazepinium salt (III) which is converted to the parent base (IV).
ChemInform Abstract: Centrally Acting 4‐Phenylpyranes: 9‐Phenyl‐9‐piperidino‐3‐oxa‐7‐azabicyclo(3.3.1)nonane.
Authors: EIDEN F. , SCHMIDT M. , DEUS‐NEUMANN B. , ZENK M. H.
Published: May 2016

The title compound (VII) is synthesized by stereoselective Grignard reaction of the isomers (V), obtained from the bicyclic ketone (III), with phenylmagnesium bromide (VI).
ChemInform Abstract: Asymmetric Reactions Catalyzed by Chiral Metal Complexes. Part 23. Synthesis of a New Chiral Pyrrolidine Ligand Bearing Two Different Types of Phosphino Groups and Their Effects on the Assymetric Hydrogenation of Ketopantolactone.
Authors: MORIMOTO T. , TAKAHASHI H. , FUJII K. , CHIBA M. , ACHIWA K.
Published: May 2016

The optically active bisphosphine (VIIIc) is prepared from the proline derivative (I) as shown in the reaction scheme.
ChemInform Abstract: A Short, General, Organoselenium‐Mediated Synthesis of Cyclic Acetals.
Authors: MEHTA G. , RAO H. S. P. , REDDY K. R.
Published: May 2016

Acetophenone (I) is allylated to produce the benzoylheptadiene (III).
ChemInform Abstract: Phthalocyanine π‐Cation‐Radical Species: Photochemical and Electrochemical Preparation of (ZnPc(‐1))·+ in Solution.
Authors: NYOKONG T. , GASYNA Z. , STILLMAN M. J.
Published: May 2016

The title π‐cation‐radical species is formed quantitatively as a stable product in solution by photolysis of the neutral parent species at room temp. in methylene chloride containing CBr4 as an electron acceptor.
ChemInform Abstract: Photochemical Formation of Mononuclear Bis‐ and Tris(ethylene) Complexes from Irradiation of Iron Pentacarbonyl or Triruthenium Dodecacarbonyl: Species Involved in Catalytic Alkene Isomerization.
Authors: WUU Y.‐M. , BENTSEN J. G. , BRINKLEY C. G. , WRIGHTON M. S.
Published: May 2016

Mononuclear bis‐ and tris(ethylene)Ru complexes can be generated photochemically starting with (I) in alkanes as shown in the scheme.
ChemInform Abstract: N,N′‐Di‐p‐tolylformamidinato‐Bridged Mixed‐Valence Iridium(I)‐Iridium(III) Dimers Containing a Metal‐Metal Dative Bond. Synthesis, Molecular Structure, and Physicochemical Properties.
Authors: COTTON F. A. , POLI R.
Published: May 2016

The reaction between the Ir(I) dimer (I) and two equiv. AgOCOCF3 gives the binuclear product (IIa) containing an unprecedented Ir(I) → Ir(III) dative bond.
ChemInform Abstract: Platinum(II) Complexes of Ferrocenylphosphines as Hydrosilylation Catalysts. Crystal Structure of (P‐N)PtCl2 (P‐N: Fe(η5‐C5H5)(η5‐C5H3(P(CHMe2)2)CHMeNMe2‐1,2)).
Authors: CULLEN W. R. , EVANS S. V. , HAN N. F. , TROTTER J.
Published: May 2016

The Pt complexes (I) are prepared by 1:1 molar reaction of K2PtCl4 in H2O with the chiral PN‐ or PP‐ligands in CH2Cl2.
ChemInform Abstract: Partial Syntheses of Cardenolides and Cardenolide Analogues. Part 11. Synthesis of 3‐(3β,14‐Dihydroxy‐5β,14β‐androstan‐17β‐yl‐methyl)but‐2‐en‐# 4‐olide, a Homologous 5β,14β‐Cardenolide.
Authors: LINDIG C. , REPKE K. R. H.
Published: May 2016

The lactone (I), obtained from digitoxigenin 3‐acetate, is converted to the aldehyde (II).
ChemInform Abstract: C‐Glucopyranosyl Derivatives from Readily Available 2,3,4,6‐Tetra‐O‐ benzyl‐α‐D‐glucopyranosyl Chloride.
Authors: ALLEVI P. , ANASTASIA M. , CIUFFREDA P. , FIECCHI A. , SCALA A.
Published: May 2016

Silver(I)‐induced coupling of the α‐D‐glucopyranosyl chloride (I) with the silyl enol ethers (II) or m‐dimethoxybenzene (V) produces the α‐ and β‐C‐glucopyranosyl derivatives (IV) and (VI).
ChemInform Abstract: Structure and Thermal Rearrangements of Binary Cesium‐Gallium Phosphates.
Authors: GRUNTSE I. , PALKINA K. K. , CHUDINOVA N. N. , GUZEEVA L. S. , AVALIANI M. A. , MAKSIMOVA S. I.
Published: May 2016

Three novel compounds are formed by the system Cs2O‐Ga2O3‐P2O5‐H2O at 150‐500 °C, which can be isolated by crystallization: the diphosphate Cs2GaH3(P2O7)2 (I), the triphosphate CsGaHP3O10 (II) and the cyclododecaphosphate Cs3Ga3P12O36 (III).
ChemInform Abstract: High‐Temperature Superconductivity in Y‐Ba‐Cu‐O: Identification of a Copper‐Rich Superconducting Phase.
Authors: STACY A. M. , BADDING J. V. , GESELBRACHT M. J. , HAM W. K. , HOLLAND G. F. , HOSKINS R. L. , KELLER S. W. , MILLIKAN C. F. , ZUR LOYE H.‐C.
Published: May 2016

Samples of nominal composition Y1‐xBaxCuyOz with 0.15 < x < 0.55 and 0.25 < y < 2 have been prepared by reaction of stoichiometric ratios of Y2O3, BaCO3, and CuO, and the fraction of superconducting phase in the samples is determined by measuring the magnetization when the samples are cooled in a field of 12.5 G, i.e., by measuring the Meissner effect.
ChemInform Abstract: Reactive Etching of Positive and Negative Silicon Cluster Ions by Nitrogen Dioxide.
Authors: MANDICH M. L. , BONDYBEY V. E. , REENTS W. D. JUN.
Published: May 2016

Mass spectroscopic results show that Si1+‐8 and Si1‐‐6 cluster ions, created by laser evaporation of a bulk silicon target, react exothermically with NO2.
ChemInform Abstract: Synthesis of Condensed Binary Cesium‐Gallium Phosphates.
Authors: CHUDINOVA N. N. , GRUNTSE I. , GUZEEVA L. S. , AVALIANI M. A.
Published: May 2016

Mixtures of Cs2CO3, Ga2O3 and 85% H3PO4, i.e. the system Cs2O‐Ga2O3‐P2O5‐H2O, are heated to 150‐460 °C for 5‐30 d. A 15:1‐ratio is chosen for P2O5:Ga2O3 and 2.5:1‐, 5:1‐, 7.5:1‐ and 10:1‐ratios are chosen for Cs2O:Ga2O3.
ChemInform Abstract: A 95Mo and 14N NMR Study of Six‐Coordinate Hydrotris(3,5‐dimethyl‐1‐pyrazolyl)borate Complexes Containing a Sixteen‐Electron (Mo(NO))4 Core.
Authors: YOUNG C. G. , MINELLI M. , ENEMARK J. H. , HUSSAIN W. , JONES C. J. , MCCLEVERTY J. A.
Published: May 2016

The investigations of the complexes (I) show that the iodo complex (Ia) exhibits the most deshielded monomeric Mo(II) resonance reported to date.
ChemInform Abstract: Thermodynamics of Complex Formation of Silver with Amines in Dimethyl Sulfoxide.
Authors: CASSOL A. , DI BERNARDO P. , ZANONATO P. , PORTANOVA R. , TOLAZZI M.
Published: May 2016

The stability constants for the complexes formed from AgClO4·H2O and the amines: butylamine, dibutylamine, piperidine, morpholine, and pyridine in DMSO are determined by potentiometry, the enthalpy changes accompanying the complex formation by direct calorimetric titrations.
ChemInform Abstract: Spectrochemistry of Solutions. Part 19. Complexation of Gold(I) by Cyanide in Liquid Ammonia: an IR and Raman Spectroscopic Study.
Authors: GANS P. , GILL J. B. , JOHNSON L. H.
Published: May 2016

Like the aqueous system, ligation passes through AuCN and stops at the linear species (Au(CN)2)‐.
ChemInform Abstract: Mechanisms and Models for Copper Mediated Nucleophilic Aromatic Substitution. Part 2. A Single Catalytic Species from Three Different Oxidation States of Copper in an Ullmann Synthesis of Triarylamines.
Authors: PAINE A. J.
Published: May 2016

Studies of reaction rates, product yields, and catalyst characteristics reveal that a single species (Cu+ cation) is active under all conditions.
ChemInform Abstract: Reactions That Proceed with a Combination of Enantiotopic Group and Diastereotopic Face Selectivity Can Deliver Products with Very High Enantiomeric Excess: Experimental Support of a Mathematical Model.
Authors: SCHREIBER S. L. , SCHREIBER T. S. , SMITH D. B.
Published: May 2016

A mathematical model is developed for reactions that combine enantiotopic group and diastereotopic face selectivity resulting in the formation of products with enhanced levels of enantiomeric excess (ee).
ChemInform Abstract: Chemistry of Singlet Oxygen. Part 49. Photooxidation of Thiiranes.
Authors: JENSEN F. , FOOTE C. S.
Published: May 2016

In contrast to the unreactive diphenylthiirane the alkylthiirane (II) e.g. is photooxidized even at ‐78 °C to give the isomer cis‐ and trans‐thiirane oxides (I) in nonnucleophilic solvents such as acetone, MeCN, CHCl3, and CH2Cl2.
ChemInform Abstract: Photodecarbonylation of 2,5,5‐Trimethyl‐2‐(1‐propynyl)cyclopentanone. 1,5‐ vs. 1,4‐Ring Closure of a Propargyl‐Alkyl Biradical.
Authors: RUDOLPH A. , MARGARETHA P. , AGOSTA W. C.
Published: May 2016

The title reaction leads to the three cyclic derivatives (IV)‐(VI) of the diradical (II) among the six products monitored by GC.
ChemInform Abstract: Oxidative Photocyclization of N6‐Benzoyladenosine Derivatives. Facile Formation of the Quinazolinopurine Ring System.
Authors: SHIMADA K. , SAKO M. , HIROTA K. , MAKI Y.
Published: May 2016

Irradiation of the N6‐benzoyladenosine derivatives (I) in the presence of an oxidant (II) yields the quinazolinopurine nucleosides (III).
ChemInform Abstract: EPC‐Syntheses via Symmetric Diels‐Alder Reactions/Retro‐Diels‐Alder Reactions. Part 1. (R)‐ and (S)‐Matsutake Alcohol, (R)‐ and (S)‐Sarcomycin Methyl Ester.
Authors: HELMCHEN G. , IHRIG K. , SCHINDLER H.
Published: May 2016

As shown in the reaction scheme, enantiomerically pure Diels‐Alder adducts are used to perform the syntheses of the chiral compounds (VIIa), (VIIb), (XVIIIa), and (XVIIIb) via diastereoselectively modified intermediates.
ChemInform Abstract: Molecular Modification of Anticholinergics as Probes for Muscarinic Receptors. Part 1. Amino Esters of α‐Substituted Phenylacetic Acid and Related Analogues.
Authors: LU M. C. , WUNG W. E. , SHIH L. B. , CALLEJAS S. , GEARIEN J. E. , THOMPSON E. B.
Published: May 2016

The amino esters (I), mostly prepared from the corresponding acyl chlorides or acids, are studied for antispasmodic activity.
ChemInform Abstract: Reaction of Lithium 1,1‐Bis(ethylthio)ethane with p‐Dinitrobenzene.
Authors: NIKOLAEVA S. V. , KUKOVITSKII D. M. , ZORIN V. V. , RAKHMANKULOV D. L.
Published: May 2016

The reaction of the acetaldehyde S,S‐acetal anion (I) and dinitrobenzene (II) gives the acetophenone S,S‐acetal (III), together with the thioethers (IV) and (V).
ChemInform Abstract: 1‐(((5‐(Substituted Phenyl)‐2‐oxazolyl)methylene)amino)‐2,4‐imidazolidinediones, a New Class of Skeletal Muscle Relaxants.
Authors: WHITE R. L. JUN. , WESSELS F. L. , SCHWAN T. J. , ELLIS K. O.
Published: May 2016

The title compounds (VI) are synthesized from the N‐aminoimidazolidinedione hydrochloride (I) or the oxazolecarboxylate (VII) as shown in the reaction scheme.
ChemInform Abstract: Sterically Hindered 3‐Thenylidene‐4‐piperidones.
Authors: MYSHKINA L. A. , STOYANOVICH F. M. , GOL'DFARB YA. L. , KAZARINA E. K.
Published: May 2016

Condensation of the piperidone (I) with the thiophenecarbaldehydes (II) gives the 3‐mono‐ and 3,5‐disubstituted piperidones (III) and (IV).
ChemInform Abstract: A Novel Synthesis of Pyrrolo(2,1,5‐de)quinolizinones (Cycl(3.3.2)azinones).
Authors: MIKI Y. , KINOSHITA H. , YOSHIMARU T. , TAKEMURA S. , IKEDA M.
Published: May 2016

The pyridinium bromides (I) and (V) react with dimethyl acetylenedicarboxylate (II) to give the cycloadducts (III) and (VI) which are transformed into the pyrroloquinolizines (IV) and (VII).
ChemInform Abstract: Synthesis of Chiral Disubstituted 18‐Crown‐6 Ethers with C2 Symmetry Based on D‐Sorbitol.
Authors: SEREBYAKOV E. P. , ABYLGAZIEV R. I. , EL'PERINA E. A. , STRUCKOVA M. I.
Published: May 2016

The crown ethers (III) containing two D‐sorbitol units are synthesized from the sorbitol derivatives (I) and the ditosylate (II).
ChemInform Abstract: A Further P‐Fluoro Ylide: (N(CH3)2)2PF=CH‐CH(n‐C4H9)‐P(N(CH3)2)2. Preparation and NMR Data.
Authors: HECKMANN G. , NEUMUELLER B. + , FLUCK E.
Published: May 2016

The reaction of the bis(phosphanyl)ethane (I) with sulfurtetrafluoride leads to the compounds (II) and (III).
ChemInform Abstract: Stereoselectivity in the Catalytic Phosphorylation of Phenols with Aryl α‐Polyfluoroalkylbenzyl Chlorophosphates.
Authors: KABACHNIK M. I. , ZAKHAROV L. S. , PETROVSKII P. V. , GORYUNOV E. I.
Published: May 2016

The magnesium‐catalyzed phosphorylation of the phenols and naphthols (II) with the phosphoryl chlorides (I) containing two asymmetric centres shows optical induction.
ChemInform Abstract: Synthesis and Reactivities of Triisocyanatoantimony.
Authors: KIJIMA I. , WAKESHIMA I. , SASAKI T.
Published: May 2016

The synthesis of triisocyanatoantimony (III) by the reaction of antimony trichloride (I) with sodium cyanate (II) in the presence of several additives, e.g. crown ethers, is investigated.
ChemInform Abstract: Bonding in and Gas‐Phase Pyrolysis of the Arsoranes and Stibanes EMe3X2 (E: As or Sb, X: F or Cl) and SbMe4F: UV Photoelectron and Field‐Ionization Mass Spectrometric Studies.
Authors: ELBEL S. , EGSGAARD H. , CARLSEN L.
Published: May 2016

He I (and partially HE II) PE spectra of AsMe3X2, SbMe3X2 (X: F, Cl), and SbMe4F are presented and assigned.
ChemInform Abstract: Synthesis, Structure, and Reactivity of Trimethylphosphine‐Zirconocene Thioaldehyde Complexes.
Authors: BUCHWALD S. L. , NIELSEN R. B. , DEWAN J. C.
Published: May 2016

The zirconocene thioaldehyde complexes (IV), which are stabilized by coordination of a trimethylphosphine ligand, are prepared simply by treatment of (I) with a thiol (II) and heating the resulting compounds (III) in the presence of trimethylphosphine.
ChemInform Abstract: Oxo Carboxylate Tin Ladder Clusters. A New Structural Class of Organotin Compounds.
Authors: HOLMES R. R. , SCHMID C. G. , CHANDRASEKHAR V. , DAY R. O. , HOLMES J. M.
Published: May 2016

The hexameric n‐butyloxotin benzoate (I), a drum derivative, and the dimeric methyloxotin cyclohexanoate (IIc) with ladder structure are prepared by condensing the stannoic acid R1Sn(O)OH with the respective carboxylic acid.
ChemInform Abstract: Some Binuclear Molybdenum(VI) Complexes Obtained from Condensation Reactions: Their Crystal and Molecular Structures.
Authors: MCKEE V. , WILKINS C. J.
Published: May 2016

Triethoxymethane promotes condensation of the compound MoO3(DMSO)1.33 with ethanol to yield the ethoxy derivative (I).
ChemInform Abstract: Synthesis and Structure of Chloro(ligand)bis(diphenylglyoximato)cobalt(III) Complexes.
Authors: LOPEZ C. , ALVAREZ S. , AGUILO M. , SOLANS X. , FONT‐ALTABA M.
Published: May 2016

The title complexes (II) are prepared from the aquo analogue (I) and corresponding ligands as shown.
ChemInform Abstract: A Superphane of Cyclobutadiene Capped by Cyclopentadienylcobalt.
Authors: GLEITER R. , KARCHER M. , ZIEGLER M. L. , NUBER B.
Published: May 2016

The reaction of cyclodeca‐1,6‐diyne (I) with the cyclopentadienylcobalt derivatives (II) yields the cyclobutadienophanes (III).
ChemInform Abstract: Pendant‐Arm Macrocyclic Ligands. Part 5. Synthesis of Two Pyridine‐Containing Penta‐aza Macrocycles with Single Pyrrolidinyl Pendant Arms and Characterisation of Their Nickel(II) and Copper(II) Complexes. Crystal Structure of Perchlorato(7‐(2′‐(1′′‐pyrrolidinyl)ethyl)‐3,7,11,17‐tetraazabicyclo(11.3.1)heptadeca‐1(17),13,15‐triene)nickel(II) Perchlorate.
Authors: ALCOCK N. W. , BALAKRISHNAN K. P. , MOORE P. , OMAR H. A. A.
Published: May 2016

The two pentaaza macrocyclic ligands (VI) containing an exocyclic pyrrolidinylalkyl group are prepared as shown in the scheme.
ChemInform Abstract: Preparation of 3,2′‐Annelated 2‐Phenylpyridines and Their Cyclopalladation Chemistry.
Authors: THUMMEL R. P. , JAHNG Y.
Published: May 2016

The fused pyridine derivatives (IV) are prepared by thermolysis of the O‐allyloximes (III) which are obtained from O‐allyl hydroxylamine hydrochloride (II) and the ketones (I).
ChemInform Abstract: Use of the Ketal Claisen Rearrangement for the Synthesis of Cyclic Sesquiterpenes Containing Quaternary Centers. A Formal Synthesis of Cuparene.
Authors: SCHUDA P. F. , POTLOCK S. J. , ZIFFER H.
Published: May 2016

The component (III) required for the title reaction is prepared in high purity by a novel ketalization of (I), and the mixtures of diastereomers (VI) are obtained in a three‐step sequence from (IV).
ChemInform Abstract: A General Approach to the Synthesis of C8‐Oxygenated Guaianolides.
Authors: RIGBY J. H. , ZBUR WILSON J. A.
Published: May 2016

The tricyclic derivatives (II) are obtained by BF3‐catalyzed cyclization of the aldehydes (I).
ChemInform Abstract: Synthesis and Antitumor Activity of Fluorine‐Substituted 4‐Amino‐2(1H)‐ pyridinones and Their Nucleosides. 3‐Deazacytosines.
Authors: MCNAMARA D. J. , COOK P. D.
Published: May 2016

Pentafluoropyridine (I) produces the pyridones (V) ‐ (VII) which are transformed into the nucleosides (VIII).
ChemInform Abstract: Synthesis and Placental Binding Potencies of Photosensitive Analogues of Luteinizing Hormone Releasing Hormone (LHRH) with Agonistic and Antagonistic Structures.
Authors: MACKIEWICZ Z. , BELISLE S. , BELLABARBA D. , GALLO‐PAYET N. , LEHOUX J.‐G. , LAGACE G. , ESCHER E.
Published: May 2016

The synthesis of the title analogues (Ib)‐(Ie), (IIa), (IIb), (III) of LHRH (Ia) is described.
ChemInform Abstract: Total Synthesis of Zincophorin.
Authors: DANISHEFSKY S. J. , SELNICK H. G. , DENINNO M. P. , ZELLE R. E.
Published: May 2016

The synthesis of the methyl ester (XI) is carried out as shown in the scheme.
ChemInform Abstract: EPR of Cu2+ Ions in Pillared Clay.
Authors: BRADDELL O. , BARKLIE R. C. , DOFF D. H. , GANGAS N. H. J. , MCKIMM A.
Published: May 2016

A pillared smectite clay with an interlayer spacing of 8.2 Å has been prepared by treatment of a Na‐montmorillonite with a NaOH/AlCl3 solution.
ChemInform Abstract: Determination of the Heat of Transfer of the Proton from Water to Dimethylsulfoxide and Pyridine
Authors: CAESAR B. , JOHNSSON M. , PERSSON I.
Published: May 2016

has been performed by measurements of the heats of solvation of picric acid in H2O, DMSO, and Py.
ChemInform Abstract: Electrochemical Faceting and Preferred Crystallographic Orientation of Rhodium Electrodes.
Authors: CUSTIDIANO E. , PIOVANO S. , ARVIA A. J. , CHIALVO A. C. , IPOHORSKI M.
Published: May 2016

The development of electrochemical faceting of Rh in acid solution (repetitive periodic potentials in the range ‐0.1 to 1.2 V vs.
ChemInform Abstract: Electrochemical Procedure for the Development of Large Active Surface Area Platinum Electrodes with Preferred Crystallographic Orientations.
Authors: VISINTIN A. , TRIACA W. E. , ARVIA A. J.
Published: May 2016

For the first time an electrochemical procedure is developed which simultaneously causes an increase in active surface area and development of either (100)‐ or (111)‐type Pt surfaces.
ChemInform Abstract: Electrodeposition of Zinc + Nickel Alloy Phases and Electrochemical Stripping Studies of the Anomalous Codeposition of Zinc.
Authors: SWATHIRAJAN S.
Published: May 2016

A model involving the coupling of charge transfer and heterogeneous interaction is proposed to calculate the partial Zn currents during electrodeposition of the α‐phase Zn + Ni alloy in the absence of mass transfer limitations.
ChemInform Abstract: Selective Cleavage of Boc‐acylamides. A Novel Approach to Deacylation of Carboxamides.
Authors: GREHN L. , GUNNARSSON K. , RAGNARSSON U.
Published: May 2016

The title compounds (I) which have been prepared recently from the respective amides are cleaved with complete selectivity by one of the methods (A) (preferred), (B), or (C).
ChemInform Abstract: (η5‐C5H5)Fe(CO)2(η1‐C5H5). A Useful Synthetic Equivalent of 5‐Amino‐ 1,3‐cyclopentadiene in Cycloaddition Reactions.
Authors: GLASS R. S. , MCCONNELL W. W. , ANDRUSKI S. W.
Published: May 2016

The iron complex (I) undergoes Diels‐Alder reaction with the olefins (II), yielding the norbornene derivatives (III).
ChemInform Abstract: α‐Dimethylaminomethylene Derivatives of Succinimide and Glutarimide in the Fischer Reaction.
Authors: TOKMAKOV G. P. , ZEMLYANOVA T. G. , GRANDBERG I. I.
Published: May 2016

The dimethylaminomethylene derivatives (III), synthesized from the imides (I) and the aminal ester (II), react with the arylhydrazines (IV) to give the hydrazones (V) which are transformed into the fused indole derivatives (VI).
ChemInform Abstract: Factors Affecting the Regioselection of the Allylic Imidates Iodocyclization.
Authors: BONGINI A. , CARDILLO G. , ORENA M. , SANDRI S. , TOMASINI C.
Published: May 2016

The direction of the iodocyclization of allylic imidates (I) with N‐iodosuccinimide is controlled by electronic effects and the configuration of the C‐C‐double bond.
ChemInform Abstract: Spectroscopic Evidence of a Net Formation of MV+ via Photolysis of Ru(bpy)2+ 3 and MV2+ Adsorbed on Porous Vycor Glass.
Authors: SHI W. , GAFNEY H. D.
Published: May 2016

The net formation of MV+ (methylviologen) is limited to a narrow range of samples containing 9.0 ±0.1·10‐5 mol of MV2+/g and 1.7 ±0.3·10‐7 mol of Ru(bpy)32+/g (bpy: bipyridine).
ChemInform Abstract: Imidyl Radicals. The Chemistries of 1,8‐Naphthalenedicarboximidyl and Phthalimidyl Radicals.
Authors: DAY J. C. , GOVINDARAJ N. , MCBAIN D. S. , SKELL P. S. , TANKO J. M.
Published: May 2016

The chemistry of the imidyl radical generated photochemically from the N‐bromonaphthalenedicarboxamide (II) is studied.
ChemInform Abstract: Enantioselective Hydrogenation of Allylic and Homoallylic Alcohols.
Authors: TAKAYA H. , OHTA T. , SAYO N. , KUMOBAYASHI H. , AKUTAGAWA S. , INOUE S. , KASAHARA I. , NOYORI R.
Published: May 2016

The chiral Ru(II) complexes (I) and (II) allow the enantioselective hydrogenation of olefins.
ChemInform Abstract: Chemoselectivity and Stereocontrol in Molybdenum‐Catalyzed Allylic Alkylations.
Authors: TROST B. M. , LAUTENS M.
Published: May 2016

The chemo‐ and stereoselectivities of the molybdenum‐catalyzed allylic alkylation are investigated in order to provide a regiochemical alternative to palladium‐based reactions.
ChemInform Abstract: Preparation, 1,3‐Dipolar Cycloaddition, and Thermal and Photochemical Reactions of 3,5‐exo‐ and 3,5‐endo‐7‐Methylene‐4‐azatetracyclo(4.2.1.0.2,803,5)nona‐9‐ones.
Authors: KANOMATA N. , KOBAYASHI T. , UETAKE T. , OKADA S. , NITTA M.
Published: May 2016

The 1,3‐dipolar cycloaddition of PhN3 to the 6‐methylenetricyclooctenone (I) proceeds regioselectively at the endocyclic double bond to yield the exo‐ (II) and the endo‐adduct (III) in almost equal amounts.
ChemInform Abstract: An Unusual Isomerization of a Furan Containing Compound.
Authors: SZMUSZKOVICZ J. , CHIDESTER C. G. , LAURIAN L. G. , SCAHILL T. A.
Published: May 2016

The amino alcohol (III) derived from the dione (I) and the furfurylamine (II) does not give the dehydration product (VIb) but isomerizes to form the pentacyclic alcohol on heating with aqueous hydrochloric acid.
ChemInform Abstract: The Hantzsch Thiazole Synthesis Under Acidic Conditions: Change of Regioselectivity.
Authors: BRAMLEY S. E. , DUPPLIN V. , GOBERDHAN D. G. C. , MEAKINS G. D.
Published: May 2016

Under acidic conditions, the condensation of the bromoketones (I) and the thioureas (II) leads to mixtures of the aminothiazoles (III) and the 3‐substituted 2‐iminodihydrothiazoles (IV), whereas under neutral conditions only the aminothiazoles (III) are formed.
ChemInform Abstract: A New Approach to δ‐Lactones, Related to the Prelog‐Djerassi Lactone.
Authors: MALANGA C. , MENICAGLI R. , DELL'INNOCENTI M. , LARDICCI L.
Published: May 2016

The 2‐ethoxydihydropyrans (III), obtained by Diels‐Alder reaction of the compounds (I) and (II), are coupled with allylic alcohol (IV) to give the intermediates (V) which are isomerized to yield the propenyl derivatives (VI).
ChemInform Abstract: The Alkylation of Hantzsch 1,4‐Dihydropyridines.
Authors: PATTERSON J. W.
Published: May 2016

The 1,4‐dihydropyridines (I) and (XI), prepared from the benzylideneacetoacetates (XIII) and the enamines (XIV), and the related derivative (VII) are methylated, yielding the compounds (II) ‐ (IV), (VIII), and (X).
ChemInform Abstract: Synthesis of 4‐Methylfuro(3′,2′:5,6)benzofuro(3,2‐c)pyridine.
Authors: MORON J. , BISAGNI E.
Published: May 2016

2‐Acetylfuro(3,2‐f)benzo(b)furan (I) reacts with the phosphonate (II), yielding the carboxylic acid (III) after saponification.
ChemInform Abstract: Synthesis of Heterocycles by Cycloaddition. Part 5. Syntheses and Reactions of Novel Azanorbornenes.
Authors: KASPER F. , BOETTGER H. +
Published: May 2016

The preparations of the known azanorbornene (Va) and of the novel azanorbornenes (Vb) are described.
ChemInform Abstract: Reactivity of Cyclic β‐Enaminones. Part 2. Direct Cyclocondensation of Amidines, Hydrazines, or Hydroxylamine with 3‐Pyrrolidinomethylene‐4‐ chromanone.
Authors: GRAFFE B. , SACQUET M.‐C. , BELLASSOUED‐FARGEAU M.‐C. , MAITTE P.
Published: May 2016

3‐Pyrrolidinomethylene‐4‐chromanone (I) reacts with the amidines (II), forming the benzopyranopyrimidines (III).
ChemInform Abstract: Conversion of 4‐Amino‐1H‐1,5‐benzodiazepine‐3‐carbonitrile to Pyrazolo‐(3,4‐d)pyrimidines, Pyrimido(1,6‐a)benzimidazole, and Pyrazolo‐(3′,4′:4,5)pyrimido(1,6‐a)benzimidazoles.
Authors: OKAMOTO Y. , TOGO I. , KURASAWA Y. , TAKAGI K.
Published: May 2016

The pyrazolylbenzimidazoles (I) react with the orthoesters (II) to form the tetracyclic compounds (III).
ChemInform Abstract: Synthesis of Imido‐Substituted 3,8‐Diphenyl‐1,2‐diazacycloocta‐2,4,6,8‐tetraenes and Their Thermolysis.
Authors: YOGI S. , HOKAMA K. , TAKAYOSHI S. , TSUGE O.
Published: May 2016

The 4,7‐dichloro‐1,2‐diazocines (I) react with the imides (IIa)‐(IIc) or with the sulfonamide (IId) in the presence of Ag2O to give the monoimido derivatives (III) along with the diimido derivatives (IV) by nucleophilic substitution of the chlorine atom(s) of (I).
ChemInform Abstract: The Hantzsch Synthesis with Salicylaldehyde Revised: Formation of Bridged Tetrahydropyridine Derivatives.
Authors: SVETLIK J. , TURECEK F. , HANUS V.
Published: May 2016

In contrast to previous results the reaction of the title aldehyde (I) with the ester (II) does not yield 3‐acetylcoumarin as major product but instead the title tetrahydropyridine derivative (IV) is formed together with the by‐product (V).
ChemInform Abstract: Proton‐Ionizable Crown Compounds. Part 6. Synthesis and Structural Studies of New Crown Compounds Containing Sulfonamide Groups.
Authors: BIERNAT J. F. , BRADSHAW J. S. , WILSON B. E. , DALLEY N. K. , IZATT R. M.
Published: May 2016

The phenol (I) is converted to the phenol ethers (III) which are sulfonated to give the bissulfochlorides (IV).
ChemInform Abstract: Lipophilic Bis(monoaza crown ether) Derivatives: Synthesis and Cation‐ Complexing Properties.
Authors: SAKAMOTO H. , KIMURA K. , KOSEKI Y. , MATSUO M. , SHONO T.
Published: May 2016

The lipophilic bis(monoaza crown ethers) (III) and (VI) are prepared from the ditosylates (I) and the aza crown ethers (II) or the malonic dichloride (IV) and the hydroxyethyl crown ether (V).
ChemInform Abstract: Hydrosilylation of Disilyl Derivatives of Ethylene and Acetylene.
Authors: SHELUDYAKOV V. D. , KORSHUNOV A. I. , LAKHTIN V. G. , TIMOFEEV V. S. , SLYUSARENKO T. F. , NOSOVA V. M. , GRADOVA E. V.
Published: May 2016

The silanes (II) react with the bissilylethylenes (I) and the bissilylacetylenes (IV) in the presence of hexachloroplatinic acid to give the adducts (III) and (V).