bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Chemistry of Oxaziridines. Part 8. Asymmetric Oxidation of Nonfunctionalized Sulfides to Sulfoxides with High Enantioselectivity by 2‐Sulfamyloxaziridines. The Influence of the Oxaziridine C‐Aryl Group on the Asymmetric Induction.
Authors: DAVIS F. A. , MCCAULEY J. P. JUN. , CHATTOPADHYAY S. , HARAKAL M. E. , TOWSON J. C. , WATSON W. H. , TAVANAIEPOUR I. 
Published: May 2016

AbstractChiral sulfamyloxaziridines (II) and (III), prepared by biphasic oxidation of the readily accessible sulfamylimines (I), effect high asym.
ChemInform Abstract: Dramatic Solvent and Stereoelectronic Effects in a Biomimetic Oxidation: 9,10‐Dialkylanthracenes.
Authors: TOLBERT L. M. , KHANNA R. K. 
Published: May 2016

AbstractThe hitherto unexplained observation that alkylated aromatics such as 7,12‐dimethylbenz(a)anthracene undergo ring oxidation in the presence of rat‐liver microsomes containing cytochrome P450 to yield a dihydroepoxy diol while the water‐soluble fraction of the same tissue, i.e. rat‐liver cytosol, yields not ring oxygenation but methyl hydroxylation is elucidated in the present study; it is suggested that this dichotomy is the result of a solvent effect.
ChemInform Abstract: Ozonolysis of Alkenes and a Study of the Reactions of Polyfunctionalized Compounds. Part 31. Ozonolysis of Cyclic Alkenes in Ether‐Type Solvents: Dimethyl Ester of endo‐cis‐Bicyclo(2.2.1)hept‐5‐ene‐2,3‐dicarboxylic Acid.
Authors: ODINOKOV V. N. , KUKOVINETS O. S. , BOTSMAN L. P. , KHALILOV L. M. , TOLSTIKOV G. A. , KOSNIKOV A. YU. , LINDEMAN S. V. , STRUCHKOV YU. T. 
Published: May 2016

AbstractOzonolysis of the title compound (I) affords the dioxacyclopenta(2,3‐d)cyclohexane (II), which has the space group P21/n with Z=4, as is revealed by an X‐ray analysis.
ChemInform Abstract: Chemistry of Dioxiranes. Part 6. Electronic Effects in the Oxidation of Sulfides and Sulfoxides by Dimethyldioxirane.
Authors: MURRAY R. W. , JEYARAMAN R. , PILLAY M. K. 
Published: May 2016

AbstractDimethyldioxirane (II) transfers oxygen to the aryl methyl sulfides (I), yielding the sulfoxides (III) and acetone (IV).
ChemInform Abstract: Asymmetric Synthesis with Carbohydrates. Part 3. Asymmetric Reduction of Ketones by Using Hydridoaluminate Complexes of Symmetrical, Chiral, Branched‐Chain Alditol Derivatives.
Authors: BAGGETT N. , SIMMONDS R. J. , STRIBBLEHILL P. 
Published: May 2016

AbstractThe branched mannitol derivatives (II), obtained from the diepoxide (I), influence the asymmetric reduction of the prochiral ketones (III).
ChemInform Abstract: A Simple, One‐Pot Transformation of tert‐Alkyl Chlorides into tert‐Alkylamines.
Authors: KOZIARA A. , OSOWSKA‐PACEWICKA K. , ZAWADZKI S. , ZWIERZAK A. 
Published: May 2016

AbstractThe tertiary alkyl chlorides (I) are converted to the tert‐alkylamine hydrochlorides (IV) via the azides (III) in a one‐pot reaction.
ChemInform Abstract: Direct Photoamination of Arenes with Ammonia and Primary Amines in the Presence of Electron Acceptors.
Authors: YASUDA M. , YAMASHITA T. , SHIMA K. , PAC C. 
Published: May 2016

AbstractPhenanthrene (I) and the amines (II) are irradiated in the presence of electron acceptors such as m‐dicyanobenzene (III) to produce the aminodihydrophenanthrenes (IV).
ChemInform Abstract: 13C2 Labeling: A Means to Measure 12C‐13C Isotopic Equilibria in 2‐Norbornyl Cation.
Authors: JARRET R. M. , SAUNDERS M. 
Published: May 2016

Abstract(2,3‐13C2)Norborn‐2‐yl chloride (Ic) is prepared from (Ia) as shown (all yields of (I) in g).
ChemInform Abstract: Synthesis of Alkyl N‐Cyano‐N‐Substituted Thiolcarbamates.
Authors: SCHAFER T. , SUBA L. A. , RUMINSKI P. G. , D'AMICO J. J. 
Published: May 2016

AbstractPotassium cyanimidodithiocarbonate (I) is alkylated with the alkyl halides (II) to form the dialkyl cyanimidodithiocarbonates (III), which are hydrolyzed by KOH to yield the S‐alkyl cyanimidothiocarbonates (IV).
ChemInform Abstract: Catalytic Asymmetric Hydrocyanation of Norbornene Using Chiral Biphosphinepalladium Complexes.
Authors: HODGSON M. , PARKER D. 
Published: May 2016

AbstractNorbornene (I) reacts with HCN in the presence of the chiral Pd‐phosphine complexes (II) to give the corresponding nitrile (III).
ChemInform Abstract: Amidines. Part 24. Influence of Alkyl Substituents at the Amidino Carbon Atom on the Sensitivity to Substitution at the Imino Nitrogen Atom. pKa Values of N1N1‐Dimethylamidines.
Authors: OSZCZAPOWICZ J. , CISZKOWSKI K. 
Published: May 2016

AbstractThree series of N1N1‐dimethylamidines (I), each containing the same set of substituents R1 at the imino N atom are synthesized by known procedures and their pKa values in 95.6% ethanol (azeotrope) measured.
ChemInform Abstract: Hydroxymethyl 4‐Hydroxyphenyl Sulfides: Synthesis and Selected Chemistry of Some Stable Hemimercaptals.
Authors: PASTOR S. D. , ODORISIO P. A. , RAVICHANDRAN R. 
Published: May 2016

AbstractThe hydroxyphenyl disulfides (I) are cleaved by Zn‐reduction to yield the monothiohydroquinones (II).
ChemInform Abstract: Convenient Methods for the Preparation of Vinylic and Allylic Sulfones from Alkenes, Haloalkanes, and Aldehydes. Stereochemistry of the Conversion of Vinylic Sulfones to the Corresponding Allylic Sulfones.
Authors: INOMATA K. , SASAOKA S. , KOBAYASHI T. , TANAKA Y. , IGARASHI S. , OHTANI T. , KINOSHITA H. , KOTAKE H. 
Published: May 2016

AbstractBy means of iodosulfonization or sulfonylmercuration, alkenes such as (I) are regiospecifically converted to vinylic sulfones (III) or (V); both products can subsequently be transformed to allylic sulfones (IV).
ChemInform Abstract: Transformation of the Hydroxy Group to a Carbonyl Group in the Reaction of α‐Hydroxyanthraquinone Sulfonic Acids with Ammonia. Synthesis of the First Representative of a 1,5‐Anthraquinone Derivative.
Authors: HAN I. H. , SHISHKINA E. YU. , VOROZHTSOV G. N. 
Published: May 2016

AbstractThe 1‐hydroxy‐9,10‐anthraquinone sulfonic acids (I) react with NH3 (II) at room temp. via transformation of the hydroxy group to give the 9‐amino derivatives (III).
ChemInform Abstract: Substitution Reactions of Phenanthrols. Part 12. Conversion of Phenanthrols to the Corresponding Chloro‐ and Bromophenanthrenes and Their Dipole Moment Measurements.
Authors: OTA E. , SHIMOZAWA J. T. 
Published: May 2016

Abstract2‐Phenanthrol (I) is converted to 2‐chlorophenanthrene (IIIa) by heating in carbon tetrachloride with dichlorotriphenylphosphorane (IIa) which is obtained from triphenylphosphine and chlorine.
ChemInform Abstract: Construction of an Optically Active 7‐Oxabicyclo(4.3.0)non‐4‐en‐3‐one Skeleton from D‐Glucose, and Its Transformation to Some Pseudo‐Hexopyranoses.
Authors: TADANO K. , UENO Y. , FUKABORI C. , HOTTA Y. , SUAMI T. 
Published: May 2016

AbstractThe key step in the synthesis of the title compound (VI) from (I) is the intramolecular aldol cyclization of (V), proceeding in reasonable yield only under the conditions given in the scheme.
ChemInform Abstract: Regiospecific Synthesis of 4‐Acyl‐pyrazoles from 5‐Acyl‐pyrimidines.
Authors: BAJNATI A. , KOKEL B. , HUBERT‐HABART M. 
Published: May 2016

AbstractThe reaction of the pyrimidines (I) with the hydrazine (II) (used as hydrochloride or bicarbonate) yields the pyrazole (III) or the hydrazones (IV) as major products.
ChemInform Abstract: Utilization of Dimethyl 4‐Alkyl‐ or 4‐Arylalkyl‐1‐acetonyl‐7‐oxabicyclo(2.2.1)hept‐2‐ene‐2,3‐dicarboxylates in the Synthesis of Novel Heterocyclic Compounds.
Authors: CABARES J. , MAVOUNGOU‐GOMES L. 
Published: May 2016

AbstractOn treatment with Tos‐O‐Ac (II) or PPA the title esters (I) are transformed to the pyran derivatives (III) or (IV).
ChemInform Abstract: 2‐Benzopyrylium Salts. Part 32. Synthesis and Some Chemical and Spectral Properties of 1‐ and/or 3‐(3,5‐Di‐tert‐butyl‐4‐hydroxyphenyl)‐Substituted 2‐Benzopyrylium Salts.
Authors: SHCHERBAKOVA I. V. , KUZNETSOV E. V. , UKHIN L. YU. , GHEORGHIU M. D. , MEGHEA A. , HERDAN J. , BALABAN A. T. 
Published: May 2016

AbstractThe 2‐benzopyrylium salts (III) are prepared by cyclization of the ketones (I) with the acids (II).
ChemInform Abstract: Reaction of Dimethyl Acetylenedicarboxylate with 3,4‐Disubstituted Isoxazolin‐5‐ones. A New Synthesis of 1,3‐Oxazin‐6‐ones and 2,3‐Dihydro1,3‐oxazin‐6‐ones.
Authors: BECCALLI E. M. , MARCHESINI A. , GELMI M. L. , PILATI T. 
Published: May 2016

AbstractThe isoxazolinones (I) react with dimethyl acetylenedicarboxylate (II) to produce the bis(dihydrooxazinones) (III).
ChemInform Abstract: Synthesis of 1,2,3,3a,4,5,6,7‐Octahydro‐9‐hydroxypyrazino(1,2,3‐f,g)cyclohept(b)indole Derivatives.
Authors: KUCKLAENDER U. + , TOEBERICH H. + , KUNA K. 
Published: May 2016

AbstractCondensation reaction of p‐benzoquinone (I) with the enamino ketone (II) yields the cyclohept(b)indolone (III).
ChemInform Abstract: Synthesis of Mono‐ and Difunctionalized Ditopic (24)N6O2 Macrocyclic Receptor Molecules.
Authors: HOSSEINI M. W. , LEHN J. M. , DUFF S. R. , GU K. , MERTES M. P. 
Published: May 2016

AbstractStarting with the triamide (I), the synthesis of the macrocycles (VII) is performed as shown in the reaction scheme.
ChemInform Abstract: Complexation of Arylboronates with Nitrogen‐Containing Bases.
Authors: LAUER M. , WULFF G. 
Published: May 2016

AbstractComplex formation between the cyclic arylboronates (I) and the N‐bases piperidine, quinuclidine, NEt3, and pyridine is studied using 1H and 13C NMR spectroscopy, calorimetry, and polarimetry.
ChemInform Abstract: New P‐Chiral Phosphates, Phosphorothioates, and Phosphoroselenothiates.
Authors: KRZYZANOWSKA B. , STEC W. J. 
Published: May 2016

AbstractThe P‐N bonds in the phosphoramidates (I), (IV), (VII), and (IX) are cleaved using sodium hydride in carbon disulfide.
ChemInform Abstract: Photo‐Induced Rearrangements of Allyl and Benzyl Phosphites. Potential Phosphoranyl 1,3‐Biradical Intermediates.
Authors: BENTRUDE W. G. , LEE S.‐G. , AKUTAGAWA K. , YE W. , CHARBONNEL Y. , OMELANCZUK J. 
Published: May 2016

AbstractThe photoisomerization of phosphites such as (I) and (III), yielding the phosphonates (II) or (IV), e.g. is enhanced by the presence of p‐xylene or benzophenone.
ChemInform Abstract: Novel One‐Pot Syntheses for Oligo‐Phosphonic and Phosphinic Acid Esters.
Authors: HAEGELE G. + , FISCHER U. , GAEDCKE A. , RIDDER H. , SINKIEWICZ A. , WILKE E. , SEEGA J. 
Published: May 2016

AbstractThe sodium phosphites (Ia) and phosphinates (Ib) react with the chloroalkenes (II), (IV), (VI), (VII), and (IX) or the chloroacetylenes (X) to produce the oligophosphinates and phosphonates (III), (V), and (VIII).
ChemInform Abstract: 1‐Aminoalkyl(chloromethyl)phosphinic Acids and Their N‐Tosyl Derivatives.
Authors: WOJTOWICZ H. , MASTALERZ P. 
Published: May 2016

AbstractThe title compounds (IV) are obtained by amidoalkylation of dichlorochloromethylphosphine (I) with benzyl carbamate (II) and the aldehydes (III).
ChemInform Abstract: New Investigation on the Reaction of PhP(S)(NCS)2 and C6H11P(S)(NCS)2 with Amines.
Authors: CHEN R.‐Y. , HU S.‐X. 
Published: May 2016

AbstractThe cyclic compounds (III) are formed by reaction of bisisothiocyanates such as (I) with equimolar amounts of the anilines (II).
ChemInform Abstract: Synthesis and Stereochemical Studies of 1‐Phosphabicyclo(4.4.0)decane and 4‐tert‐Butylphosphorinane Derivatives.
Authors: CREMER S. E. , COWLES J. M. , GAMLIEL A. 
Published: May 2016

AbstractThe synthesis of phosphadecalin (IV) from (I) proceeds via (III) as shown in the reaction scheme.
ChemInform Abstract: New Six‐Coordinate Phosphorus Compounds. Synthesis and Stereochemistry.
Authors: SKOWRONSKA A. , BURSKI J. , GWARA J. , KAMINSKI R. , KOWARA J. 
Published: May 2016

AbstractMonitoring the reaction of the spirophosphoranes (I) with the nucleophiles (II) via 31P‐NMR spectroscopy over a broad temperature range reveals that the isomers (III) and (IV) are formed.
ChemInform Abstract: Syntheses of (Me4N)2((μ‐EPh)6(MX)4) (M: Cd, Zn; E: S, Se; X: Cl, Br, I). Crystal and Molecular Structures of (Me4N)2((μ‐EPh)6(CdBr)4) (E: S, Se) and Characterization of ((μ‐EPh)6(CdX)4)2‐ in Solution by 113Cd and 77Se NMR.
Authors: DEAN P. A. W. , VITTAL J. J. , PAYNE N. C. 
Published: May 2016

AbstractThe direct reaction of the adamantanoid anions (I) with Br2 or I2 in acetone or with PhICl2 in MeCN provides a simple route to the new complexes (II) isolated as their tetramethylammonium salts.
ChemInform Abstract: Metallocene Derivatives of Early Transition Elements. Part 4. Synthesis and Crystal Structures of a Series of Zirconocene(IV) Halides (Zr(η‐C5H4SiMe3)2X2) (X: Cl or Br) and (Zr(η‐C5H3(SiMe3)2‐1,3)2X2) (X: F, Br, or I).
Authors: ANTINOLO A. , LAPPERT M. F. , SINGH A. , WINTERBORN D. J. W. , ENGELHARDT L. M. , RASTON C. L. , WHITE A. H. , CARTY A. J. , TAYLOR N. J. 
Published: May 2016

AbstractA series of zirconocene halides (Ib) and (IIIa)‐(IIId) are prepared by substitutive procedures.
ChemInform Abstract: Effect of the γ‐OMe Group on the Reactivity of the Germanium Chloride (Me3Si)2C(SiMe2OMe)(GeMe2Cl).
Authors: EABORN C. , SAXENA A. K. 
Published: May 2016

AbstractThe title compound (IVa) prepared as shown is found to be much more reactive than the related chloride (Me3Si)3C(GeMe2Cl) (A) towards silver salts with which (IVa) forms the derivatives (IVb)‐(IVe).
ChemInform Abstract: Synthesis and Substitution Reactions of a Heterodimetallic Molybdenum‐Manganese Complex, (MoMn(μ‐H)(μ‐PPh2)(η5‐C5H5)(CO)6); X‐Ray Crystal Structure of (MoMn(μ‐H)(μ‐PPh2)(η5‐C5H5)(CO)4(dppm‐PP′)).
Authors: HORTON A. D. , MAYS M. J. , RAITHBY P. R. 
Published: May 2016

AbstractThe photolytic reaction of (I) with the phosphine (II) gives (III) and (IV) as the major products.
ChemInform Abstract: Syntheses, Reactions, and Structures of Dioxycarbene Complexes of Rhenium.
Authors: MIESSLER G. L. , KIM S. , JACOBSON R. A. , ANGELICI R. J. 
Published: May 2016

AbstractThe cyclic dioxycarbene complex (I), prepared from Re(CO)5Br, Br(CH2)2OH, ethylene oxide, and NaBr by modification of a known method, reacts with PPh3 (II) to give the fac‐derivative (III) and on further reaction the disubstitution product (IV).
ChemInform Abstract: Synthesis, Structure, and Properties of an Undecairon(III) Oxo‐Hydroxo Aggregate: An Approach to the Polyiron Core in Ferritin.
Authors: GORUN S. M. , PAPAEFTHYMIOU G. C. , FRANKEL R. B. , LIPPARD S. J. 
Published: May 2016

AbstractBoth the aquo‐acetonitrile solvate (I) and the THF solvate (II) of Fe11O6(OH)6(OOCPh)15 are obtained by diffusing water into anhydrous acetonitrile solution containing (Et4N)2(Fe2OCl6) and PhCOONa (molar ratio 1:2).
ChemInform Abstract: Synthesis, Reactivity, and Simultaneous Two‐Electron Electrochemistry of Trinuclear Iron‐Molybdenum and Cobalt‐Molybdenum Carbonyl Thiolate Complexes.
Authors: ROSENHEIN L. D. , NEWTON W. E. , MCDONALD J. W. 
Published: May 2016

AbstractThe heterometallic trinuclear complexes (I) are prepared by four distinct methods as demonstrated by examples in the scheme.
ChemInform Abstract: Aqueous Solution Photophysics and Photochemistry of Dihalo‐ and Aquahalobis(ethylenediamine)rhodium(III). Effect of Nonreacting Amine Ligands on Excited‐State Halide Dissociation and Excited‐State Rearrangement.
Authors: SKIBSTED L. H. , HANCOCK M. P. , MAGDE D. , SEXTON D. A. 
Published: May 2016

AbstractLigand field excitation of the complexes (I) and (II) in acidic aqueous solution leads to halide photoaquation producing the complexes (III) and (IV).
ChemInform Abstract: Syntheses of Selectively Alkylated Enol Ethers in the L‐ribo Series.
Authors: KOEPPER S. + , LUNDT I. , PEDERSEN C. , THIEM J. 
Published: May 2016

AbstractThe reduction of the enulose (I) predominantly leads to L‐digitoxal (IIIa) and the rhamnal (II) as by‐product; however, this method presents a sluggish reaction method for the preparation of (IIIa).
ChemInform Abstract: Synthesis and Serotonin‐Receptor Activity of Substituted 1‐Oxo‐1,2,3,4‐tetrahydro‐β‐carbolines.
Authors: HERDEIS C. , BISSINGER G. 
Published: May 2016

AbstractIn order to get pharmacologically interesting results, donor and acceptor substituted derivatives of strychnocarpine are synthesized.
ChemInform Abstract: Calichemicins, a Novel Family of Antitumor Antibiotics. Part 1. Chemistry and Partial Structure of Calichemicin γ1I.
Authors: LEE M. D. , DUNNE T. S. , SIEGEL M. M. , CHANG C. C. , MORTON G. O. , BORDERS D. B. 
Published: May 2016

AbstractThe structure of the title compound, the major component of the calichemicin complex (isolated from Micromonospora echinospora ssp.
ChemInform Abstract: Suppression of Dendrites and Roughness During Electrodeposition by Impinging Flow.
Authors: JORNE J. , LII Y.‐J. , YEE K. E. 
Published: May 2016

AbstractIt is demonstrated that by directing the flow of the electrolyte toward the electrodeposited surface, the growth of dendrites and roughness elements can be significantly suppressed during zinc electrodeposition.
ChemInform Abstract: Spectrophotometric Studies on the Hexamolybdate Ion in Aqueous Organic Solutions.
Authors: HIMENO S. , ISHII N. , HASEGAWA M. , SAITO A. , HORI T. 
Published: May 2016

AbstractIt is demonstrated, that the Mo6O12‐9 ion is stabilized by the addition of H2O miscible organic solvents such as MeCN or acetone to an aqueous solution of Mo(IV) acidified with HClO4.
ChemInform Abstract: Smooth Electrodeposits of Molybdenum from KF‐K2B4O7‐K2MoO4 Fused Salt Melts
Authors: KOYAMA K. , HASHIMOTO Y. , TERAWAKI K. 
Published: May 2016

Abstractare obtained at temp. in the range 998‐1173 K and current densities of 110‐660 A m‐2 on Cu, Ni, Mo, stainless steel, mild steel, and graphite substrates.
ChemInform Abstract: Solvation of Triphenylamine, ‐phosphine, ‐arsine, ‐stibine, and bismuthine in Polar and Nonpolar Solvents.
Authors: AHRLAND S. , HULTEN F. 
Published: May 2016

AbstractThe enthalpies of solvation for the triphenyl compounds mentioned in the title are studied in seven solvents (MeOH, DMSO, MeCN, py, tetrahydrothiophene, benzene, and CCl4) at 25 °C. The values are determined from the known heats of crystallization and the heats of solution, which are measured calorimetrically.
ChemInform Abstract: Kinetic Resolution in the Oxidation of Iminium Ion to Lactam Catalyzed by Aldehyde Oxidase.
Authors: BIELAWSKI J. , BRANDAENGE S. + , RODRIGUEZ B. 
Published: May 2016

AbstractA rabbit liver enzyme preparation oxidizes rac. iminium ions (I) and (III) to optically active lactams (R)‐(II) and (S)‐(V) with enantiomer ratios ER/S = 5.5 and 0.14, respectively.
ChemInform Abstract: BF3‐Catalyzed Cycloadditions of Naturally Occurring Sesquiterpene p‐Benzoquinones.
Authors: JOSEPH‐NATHAN P. , GARIBAY M. E. , SANTILLAN R. L. 
Published: May 2016

AbstractTreatment of the terpenoid benzoquinone (I) with boron trifluoride yields the tricyclic trione derivatives (II).
ChemInform Abstract: On the Direct Formation of Episulfonium Ions from Alkenes. An Application to the Synthesis of Higher Order Carbocycles via Episulfonium Ion Initiated Polyene Cyclizations.
Authors: EDSTROM E. D. , LIVINGHOUSE T. 
Published: May 2016

AbstractThe polyenes (I), (V), and (IX) undergo cyclization with methyl phenylsulfenate (IV) in the presence of boron trifluoride to form the tricyclic or dicyclic phenylsulfenyl derivatives (II), (VI), or (X).
ChemInform Abstract: Oxidation of Olefins and Alcohols by Peroxomolybdenum Complex Derived from Tris(cetylpyridinium) 12‐Molybdophosphate and Hydrogen Peroxide.
Authors: ISHII Y. , YAMAWAKI K. , YOSHIDA T. , URA T. , OGAWA M. 
Published: May 2016

AbstractOxidation of the olefins (I) or the allylic alcohols (III) with the complex molybdatophosphate PCMP produces the oxiranes (II) or (IV).
ChemInform Abstract: Reactions of Allylstannanes with in situ Generated Immonium Salts in Protic Solvent: A Facile Aminomethano Destannylation Process.
Authors: GRIECO P. A. , BAHSAS A. 
Published: May 2016

AbstractThe ammonium salts (I), derived from primary amines, react with formaldehyde (II) to give methyleneimmonium salts which are treated in situ with the allylstannanes (III), producing the bis(homoallyl)amines (IV).
ChemInform Abstract: Regioselective Synthesis of Secondary Allyl Chlorides.
Authors: BOUGHDADY N. M. , CHYNOWETH K. R. , HEWITT D. G. 
Published: May 2016

AbstractUsing appropriate chlorination systems and varying reaction times, the rearranged products (II) or the unrearranged products (III) can be selectively prepared from the sec. allylic alcohols (I).
ChemInform Abstract: 3,3‐Difluorocyclobutene. Synthesis and Reaction with Diazomethane.
Authors: DOLBIER W. R. JUN. , AL‐FEKRI D. M. 
Published: May 2016

AbstractReaction of diazomethane (II) with the fluorinated cyclobutenes (I) and (IV) produces the cycloadducts (III), (V), and (VI).
ChemInform Abstract: Chemical Behavior of (+)‐(1R,3S)‐1,2,2‐Trimethyl‐1,3‐bis(hydroxymethyl)cyclopentane Upon Attempted Halogenation. Formation of (+)‐(1S,3S)‐1‐Bromo‐3‐(bromomethyl)‐1,2,2‐trimethylcyclohexane.
Authors: LONGTON E. D. , BAGRODIA S. , LUTZ E. C. , PINKERTON A. A. , FRY J. L. 
Published: May 2016

AbstractIn order to prepare the corresponding dibromide (II), the bis(hydroxymethyl)cyclopentane (I) is treated with phosphorus tribromide in sulfolane.
ChemInform Abstract: Thallium(III) Nitrate‐Mediated Efficient Synthesis of 2‐Arylpropionic Acids from 1‐Halogenoethyl Aryl Ketones.
Authors: YAMAUCHI T. , NAKAO K. , FUJII K. 
Published: May 2016

AbstractThe esters (III) and (V) are obtained from the reaction of the ketones (I) with the orthoformates (II) and (IV), resp., via acetal formation followed by 1,2‐aryl migration.
ChemInform Abstract: Stereoselective Ring Opening Reaction of 2‐((Phenylthio)methyl)cycloalkanols Mediated by N‐Chlorosuccinimide and Triethylamine.
Authors: TAKAKI K. , YASUMURA M. , TAMURA T. , NEGORO K. 
Published: May 2016

AbstractOxidative cleavage of the 2‐((phenylthio)methyl)cycloalkanols (VIII) with NCS and triethylamine produces the phenylthioalkenyl aldehydes or ketones (IX).
ChemInform Abstract: An Efficient Synthesis of (R)‐(+)‐ and (S)‐(‐)‐Propranolol from Resolved 5‐Iodomethyloxazolidin‐2‐ones.
Authors: CARDILLO G. , ORENA M. , SANDRI S. , TOMASINI C. 
Published: May 2016

AbstractThe title compounds (XIV) are prepared via the key intermediates (V) and (VI).
ChemInform Abstract: Stereoselective Synthesis of (E)‐ or (Z)‐α‐Alkylidene‐γ‐butyrolactone from γ‐Butyrolactone and Bis(ethoxy(thiocarbonyl)) Disulfide and Mechanistic Studies of the Effect of Metal Complexes on the Stereoselection.
Authors: MATSUI S. 
Published: May 2016

AbstractLithiation of the lactones (II) with LDA followed by reaction with the disulfide (III) and the aldehydes (I) affords mainly the (E)‐alkylidenelactones (IV).
ChemInform Abstract: β‐Angelica Lactone Epoxide: Chemical Behaviour and Some Synthetic Applications.
Authors: ORTUNO R. M. , CARDELLACH J. , FONT J. 
Published: May 2016

AbstractThe epoxide (II), derived from β‐angelica lactone (I), is converted to the hydroxylactones (V), (VI), (IX), and (X) and to the thiophenyl derivatives (VII) and (VIII) as shown in the reaction scheme.
ChemInform Abstract: 1‐Methoxyisobenzofuran from Base‐Induced and Acid‐Catalyzed Reactions of 1,3‐Dihydro‐1,3‐dimethoxyisobenzofuran.
Authors: MIRSADEGHI S. , RICKBORN B. 
Published: May 2016

AbstractThe 1,3‐dihydro‐1,3‐dimethoxyisobenzofurans (III), prepared from o‐phthalaldehyde (I), undergo cycloaddition reactions with various dienophiles such as (IV), (VI), and (X).
ChemInform Abstract: Preparation of 5‐Alkyl‐2‐tert‐butyl‐1,3‐dioxolan‐4‐ones by Trimethylsilyl Triflate Catalyzed Reactions between Bis(trimethylsilyl) Derivatives of α‐Hydroxy Carboxylic Acids and Pivaldehyde.
Authors: HOYE T. R. , PETERSON B. H. , MILLER J. D. 
Published: May 2016

AbstractThe α‐hydroxy or α‐mercaptocarboxylic acids (I) undergo twofold silylation, producing the silyl esters (II).
ChemInform Abstract: Synthesis of 1,3‐Dioxolan‐4‐ones. An Improved Procedure.
Authors: PEARSON W. H. , CHENG M.‐C. 
Published: May 2016

AbstractReaction of the carbonyl compounds (I) with trimethylsilyl trimethylsiloxyacetate (II) in the presence of trimethylsilyl iodide or triflate leads to ring closure, forming the dioxolanones (III).