bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Alkylation of 6‐Methylthio‐ and 6‐Benzyloxyguanine Under Phase‐Transfer Conditions.
Authors: RAMZAEVA N. , ALKSNIS E. , GOLDBERG YU. , LIDAKS M. 
Published: May 2016

AbstractThe benzyloxy‐ (Ia) or methylthioguanines (Ib) are alkylated under phase‐transfer conditions to yield mixtures of the 9‐ (III) and 7‐substituted derivatives (IV).
ChemInform Abstract: Synthesis and Characterization of Amine‐Alkylcyanoboranes.
Authors: MILLS W. J. , SUTTON C. H. , LIBBY E. , TODD L. J. 
Published: May 2016

AbstractAs demonstrated for the compounds (V), twelve examples are prepared in moderate yield with the amines pyridine, tetramethylethylenediamine and quinuclidine.
ChemInform Abstract: A New Type of Macrocycle Incorporating closo‐ and nido‐Carborane Cages: Molecular Structures of 1,2‐(1,10‐Dithia‐4,7‐dioxadecane‐1,10‐diyl)‐1,2‐dicarba‐closo‐dodecaborane and Sodium 7,8‐(1,13‐Dithia‐4,7,10‐trioxatridecane‐1,13‐diyl)‐7,8‐dicarba‐nido‐undecaborate(12).
Authors: TEIXIDOR F. , VINAS C. , RIUS J. , MIRAVITLLES C. , CASABO J. 
Published: May 2016

AbstractUnder high dilution, the new compounds containing a combination of a macrocycle and a chelating moiety are obtained.
ChemInform Abstract: ortho‐Lithiation of Phenols Using the Bis(dimethylamino)phosphoryl Group as a Directing Group.
Authors: WATANABE M. , DATE M. , KAWANISHI K. , TSUKAZAKI M. , FURUKAWA S. 
Published: May 2016

AbstractLithiation of the aryl tetramethylphosphorodiamidates (I) and (IV) with sec‐butyllithium and subsequent reaction with the electrophiles (II) yield the o‐substituted derivatives (III) and (V).
ChemInform Abstract: Zirconocene‐Promoted Stereoselective Bicyclization of 1,6‐ and 1,7‐Dienes to Produce trans‐Zirconabicyclo(3.3.0)octanes and cis‐Zirconabicyclo(4.3.0)nonanes.
Authors: ROUSSET C. J. , SWANSON D. R. , LAMATY F. , NEGISHI E. 
Published: May 2016

AbstractThe α,ω‐dienes (Ia) ‐ (Id) react with the zirconocene (II) to give the fused zirconacyclopentane derivatives (III).
ChemInform Abstract: On the Use of the Haloetherification Method to Synthesize Fully Functionalized Disaccharides.
Authors: FRIESEN R. W. , DANISHEFSKY S. J. 
Published: May 2016

AbstractSynthetic routes to fully functionalized, α‐linked disaccharides such as (V) or (VIII) are described starting from a common intermediate, i.e. the iodo acetate (III).
ChemInform Abstract: Influence of Reduction‐Reoxidation on the Structure and Catalytic Properties of Bismuth Molybdates.
Authors: ALSDORF E. , GROHMANN I. , JANCKE K. , SCHNABEL K.‐H. , SELENINA M. , VOLLGRAF D. 
Published: May 2016

AbstractThe influence of a reduction (C3H6, NH3)/reoxidation (air, 723 K, 2 h) pretreatment of bismuth molybdates (Bi2MoO6, Bi2Mo2O9, Bi2Mo3O12) on their structure and catalytic activity for the ammoxidation of propylene is studied.
ChemInform Abstract: Macrocycles Incorporating closo‐ and nido‐Carbaborane Cages: Molecular Structure of 1,2‐(3′‐oxapentane‐1′,5′‐dithiolato‐SS′)‐1′,2′‐dicarba‐closo‐dodecaborane.
Authors: TEIXIDOR F. , ROMEROSA A. M. , RIUS J. , MIRAVITLLES C. , CASABO J. , VINAS C. , SANCHEZ E. 
Published: May 2016

AbstractAs demonstrated previously, the reaction of 1,2‐dimercapto‐1,2‐dicarba‐closo‐dodecaborane under basic conditions with appropriate dihalogenated organic compounds results in the formation of macrocycles incorporating 7,8‐dicarbaundecaborate or 1,2‐dicarba‐closo‐dodecaborane units.
ChemInform Abstract: Thermal (4π + 2π)‐Type Cycloaddition Reactions of Pyrrole Derivatives with 3‐Cyanocyclopropene Generated in situ.
Authors: SAITO K. , ITO K. , TAKAHASHI K. 
Published: May 2016

Abstract3‐Cyanocyclopropene, generated by thermolysis of the fused cyclopropane (I), undergoes cycloaddition reaction with the N‐substituted pyrroles (IIa) ‐ (IIc) to produce the azatricyclooctenes (IIIa) ‐ (IIIc), together with dimethyl phthalate (IV).
ChemInform Abstract: Ring Contraction of a Cyclic Seven‐Membered Ketenimine.
Authors: HUISGEN R. , LANGHALS E. , OSHIMA T. 
Published: May 2016

AbstractThe rate of rearrangement of the cyclic ketenimine (I), producing the tetrahydrothiophene (II), increases with the polarity of the solvents applied.
ChemInform Abstract: Z‐1‐Vinyl Iodide by Wittig Reaction.
Authors: BESTMANN H. J. , RIPPEL H. C. , DOSTALEK R. 
Published: May 2016

AbstractThe triphenyl(iodomethyl)phosphonium salts (I) and (V) react with sodium hexamethylsilazide to give the iodomethylenephosphorane (II) which is coupled with the aldehydes (III), forming the olefins (IV).
ChemInform Abstract: Preparative Flash Vacuum Thermolysis. Selective Elimination of 6‐Chloro‐1‐hexene from Esters of 6‐Chloro‐1‐hexanol with Schoenberg Rearrangement of the S‐Methyl Xanthate.
Authors: JENNESKENS L. W. , HOEFS C. A. M. , WIERSUM U. E. 
Published: May 2016

AbstractFlash vacuum thermolysis of 6‐chloro‐1‐hexyl acetate (I) in a quartz tube yields 6‐chloro‐1‐hexene (II) and 1,5‐hexadiene (III).
ChemInform Abstract: Chemistry of Dioxiranes. Part 13. Oxidation of Primary Amines by Dimethyldioxirane.
Authors: MURRAY R. W. , RAJADHYAKSHA S. N. , MOHAN L. 
Published: May 2016

AbstractTreatment of the primary amines (I) with dimethyldioxirane in acetone produces the aromatic nitro compounds (II).
ChemInform Abstract: Photochemistry of (.+‐.)‐4,4a,5,6‐Tetrahydro‐4a‐methyl‐6,6‐diphenyl‐2(3H)‐naphthalenone, a Rigid Linear Dienone.
Authors: BUNCE R. A. , TAYLOR V. L. , HOLT E. M. 
Published: May 2016

AbstractCatalytic hydrogenation of the methyldiphenylcyclohexenone (I) in acetic acid yields the methyldiphenylcyclohexanone (II) which undergoes ring closure reaction with methyl vinyl ketone (III) to produce the hexahydronaphthalenone (IV).
ChemInform Abstract: Alkylisobenzofurans from Phthalides. Inter‐ and Intramolecular Diels‐Alder Reactions.
Authors: MEEGALLA S. K. , RODRIGO R. 
Published: May 2016

AbstractReaction of the phthalides (I) with the 1,1‐dibromoalkanes (II) in the presence of titanium tetrachloride and zinc dust yields the alkylidene phthalans (III).
ChemInform Abstract: Synthesis of 5‐Arylmethylene‐1,3‐dioxolan‐4‐ones and β‐Aryl‐α‐keto Carboxylic Acids.
Authors: SIMCHEN G. , SIEGL G. 
Published: May 2016

AbstractSilylation of 2‐trichloromethyl‐1,3‐dioxolan‐4‐one (I) with trimethylsilyl triflate (II) yields the bissilylated dioxole (III) which undergoes Peterson olefination with the aromatic aldehydes (IV), forming the 5‐arylmethylenedioxolanones (V).
ChemInform Abstract: Asymmetric Reactions. Part 64. Enantioselective Diels‐Alder Reaction of (E)‐1‐Trimethylsilyloxy‐1,3‐butadiene with Chiral Glyoxylates.
Authors: CERVINKA O. , SVATOS A. , TRSKA P. , PECH P. 
Published: May 2016

AbstractThe title reaction is studied in various solvents with or without catalysts and leads to mixtures of the diastereomeric dihydropyran‐6‐carboxylates (III).
ChemInform Abstract: Synthesis of Chiral 2,6‐Dithiabicyclo(3.1.1)heptane. The Dithia Parent Analogue of the TXA2 Nucleus.
Authors: STELIOU K. , MILOT G. 
Published: May 2016

AbstractCoupling of the (‐)‐menthyl mercaptopropionate (I) with the dihydrothiopyranone (II), prepared from tetrahydro‐4‐thiopyranone by chlorination/dehydrochlorination with N‐chlorosuccinimide in pyridine, yields the tetrahydrothiopyranone (III) which is reduced, forming a mixture of the diastereomeric alcohols (IVa) and (IVb).
ChemInform Abstract: Facile Regioselective Synthesis of Pyrano(3,2‐c)(1)benzothiopyran‐5(2H)‐one and 2‐Methylfuro(3,2‐c)(1)benzothiopyran‐4‐one.
Authors: MAJUMDAR K. C. , CHOUDHURY P. K. , KHAN A. T. 
Published: May 2016

AbstractThe hydroxythiopyranone (I) is converted to the propargyl ether (III) and the allyl ethers (VI).
ChemInform Abstract: Chemistry of Phosphorus. Part 198. Hexa‐tert.‐butyldecaphosphane(6), P10(tBu)6 ‐ Preparation and Structure Determination by 31P NMR Spectroscopy.
Authors: BAUDLER M. , WIATEREK CH. , KAZMIERCZAK K. 
Published: May 2016

AbstractAccording to 31P NMR spectroscopic studies, the title compound (III) (yield given in mg) represents a new P10R6 structure type and has a skeleton consisting of a bicylic P6(4) and a monomeric P4(4) partial structure which are linked through a σ‐bond.
ChemInform Abstract: Reaction of Phenyl Azide with N,N‐Dimethylaminomethylenephenylphosphines.
Authors: ARBUZOV B. A. , IONKIN A. S. , IGNAT'EVA S. N. , EFREMOV YU. YA. , NEKHOROSHKOV V. M. 
Published: May 2016

AbstractThe phosphine (I) reacts with phenyl azide (II) to give the amidines (III) and the diazadiphosphetidine (IV).
ChemInform Abstract: Polyhedral Metallacarbaborane Chemistry: Preparation, Molecular Structure, and NMR Investigation of (3‐(η5‐C5Me5)‐closo‐3,1,2‐MC2B9H11) (M: Rh or Ir).
Authors: FONTAINE X. L. R. , GREENWOOD N. N. , KENNEDY J. D. , NESTOR K. , THORNTON‐PETT M. , HERMANEK S. , JELINEK T. , STIBR B. 
Published: May 2016

AbstractBoth air‐stable title compounds (III) crystallize in the space group P212121 with Z=4.
ChemInform Abstract: Polycyclic Aromatic Alkaloids. Part 4. Total Synthesis of the Pentacyclic Alkaloid Ascididemin.
Authors: BRACHER F. 
Published: May 2016

AbstractAmination reaction of quinoline‐5,8‐quinone (I) with o‐aminoacetophenone (II) in ethanol yields the compound (III) which undergoes acid‐catalyzed cyclization to produce the tetracyclic quinone (IV).
ChemInform Abstract: Proton NMR Study of Molecular Dynamics in Hydrazinium Perchlorate.
Authors: GANESAN K. , DAMLE R. , RAMAKRISHNA J. 
Published: May 2016

AbstractThe temp. dependence of the spin‐lattice relaxation time T1 (at 5.4, 10, and 15 MHz) and of the second moment M2 (at 9.8 MHz) are measured in N2H5ClO4 and interpreted in terms of molecular motions.
ChemInform Abstract: An Electrochemical Study on the Influence of Oxygen in Tin‐Plate Corrosion and Inhibition.
Authors: BASTIDAS J. M. , DAMBORENEA J. J. , GONZALEZ J. A. , OTERO E. , CHACON M. E. , ARCHER W. I. , SCANTLEBURY J. D. , ALSTON K. 
Published: May 2016

AbstractThe corrosion and inhibition behavior of tin‐plate, pure Sn, an alloy layer (FeSn2), and bare steel in citrate solutions of pH 6 are investigated using polarization, polarization resistance, and impedance measurements.
ChemInform Abstract: Chemisorption and FTIR Study of Bimetallic Pt‐Au/SiO2 Catalysts.
Authors: BALAKRISHNAN K. , SACHDEV A. , SCHWANK J. 
Published: May 2016

AbstractPt/SiO2, Au/SiO2, and bimetallic Pt‐Au/SiO2 catalysts are prepared by incipient wetness impregnation of nonporous SiO2 and the sorption behavior of the H2‐reduced catalysts is studied using H2, O2, and CO as adsorbates at room temperature.
ChemInform Abstract: Oxidation Reactions on XnB6H2‐ 6‐n, X: Cl, Br, I; n = 1‐6 and Crystal Structures of ((n‐C4H9)4N)B6I6 and ((n‐C4H9)4N)2B6I6.
Authors: HEINRICH A. , KELLER H.‐L. , PREETZ W. 
Published: May 2016

AbstractA study of the oxidation behavior of (XnB6H6‐n)2‐ (X: Cl, Br, I; n = 1‐6) by cyclic voltammetry in MeCN shows that these anions undergo a one‐electron oxidation to form the corresponding radical anion.
ChemInform Abstract: On the Molecular/Solid‐State Boundary. A Cyclic Iron‐Sulfur Cluster of Nuclearity Eighteen: Synthesis, Structure, and Properties.
Authors: YOU J.‐F. , SNYDER B. S. , PAPAEFTHYMIOU G. C. , HOLM R. H. 
Published: May 2016

AbstractThe MeCN adduct of the cluster compound (V), V·14 MeCN, crystallizes in the triclinic space group P1 with Z=1.
ChemInform Abstract: Structure of Tetrahydro‐N‐methyl‐2‐(2‐pyridinyl)‐2‐thiophenecarbothioamide (Picartamide).
Authors: IN Y. , FUJIMORI Y. , OHISHI H. , ISHIDA T. , INOUE M. , SATO F. , OKITSU M. , OHNO T. 
Published: May 2016

AbstractH+,K+‐ATPase inhibitors (ARIs) are of increasing interest, since the enzyme is recognized as the acid pump involved in the gastric acid secretory process.
ChemInform Abstract: The Formation of Ketones by a Reaction Equivalent to R‐ + R′COCH+ 2 → R′COCH2R.
Authors: KATRITZKY A. R. , WROBEL L. , SAVAGE G. P. , DEYRUP‐DREWNIAK M. 
Published: May 2016

AbstractA novel and general method for replacing the bromine atom in α‐bromo ketones of type (I) by nucleophiles is presented; the resulting ketones (11 examples given) are isolated as 2,4‐dinitrophenylhydrazones such as (IX).
ChemInform Abstract: Photochemical Oxidation of Benzyl Alcohol. Correction of Reported Structures.
Authors: FURE R. , ROEMMING C. , SKATTEBOEL L. 
Published: May 2016

AbstractContrary to an earlier report (1982), the photochemical reaction of benzyl alcohol (III) does not give the dioxanes (I) and (II) but instead the isomeric dioxolanes (IV), (VIII), (IX), among other products.
ChemInform Abstract: One‐Pot Synthesis of 2‐Vinyl‐1‐azadienes and Divinyl Ketones.
Authors: BARLUENGA J. , MERINO I. , PALACIOS F. 
Published: May 2016

AbstractCoupling of the phosphazene (I) with the alkynylphosphonium salt (II) gives the α‐imino β‐phosphonium ylide (III) which reacts with the aldehydes (IV), yielding the dienyl phosphonium bromides (V).
ChemInform Abstract: Hindered Organoboron Groups in Organic Synthesis. Part 13. The Direct Production of Ketones from Aliphatic Aldehydes by a Unique Variant of the Boron Wittig Reaction.
Authors: PELTER A. , SMITH K. , ELGENDY S. , ROWLANDS M. 
Published: May 2016

AbstractThe α‐lithioalkyldimesitylboranes (I) are coupled with the aldehydes (II) and then quenched with trifluoroacetic anhydride or N‐chlorosuccinimide, yielding the ketones (III).
ChemInform Abstract: Unusual Hydrogenolysis of 2‐Isoxazolines.
Authors: LAKHVICH F. A. , KOROLEVA E. V. , ANTONEVICH I. P. 
Published: May 2016

AbstractReduction of the cyclopentisoxazoles (I) with Raney nickel yields the α‐aminoalkylenecyclopentanones (II).
ChemInform Abstract: Isodicyclopentadienes and Related Molecules. Part 49. Synthesis, Static Structure, and Kinetic Stability of a syn‐Sesquinorbornatriene.
Authors: PAQUETTE L. A. , SHEN C.‐C. 
Published: May 2016

AbstractIn contrast to the non‐spiro parent system and several monospiro analogues, the bisspiro compound (VI) is found to be recalcitrant to attack by several reactive reagents.
ChemInform Abstract: Efficient Solid State Photocyclization of Sterically Congested α‐(o‐Tolyl) Ketones Despite “Poor” Geometries for Hydrogen Abstraction.
Authors: WAGNER P. J. , ZHOU B. 
Published: May 2016

AbstractThe o‐methylbenzyl ketones (I) and (III) are irradiated in the solid state to perform predominantly cyclization, yielding the indanols (II) and (IV).
ChemInform Abstract: 3‐Oxo‐4‐thioxo‐1,2,5,6‐tetrathiapentalene (OTTP): A Novel Thiocarbon with an Unusual Chalcogen Network in Its Solid State Structure.
Authors: CLOSS F. , SRDANOV G. , WUDL F. 
Published: May 2016

AbstractDiethyl ethoxymethylenemalonate (I) is treated with Lawesson's reagent (II) to give a mixture of the 1,2‐dithiolethiones (III) and (IV).
ChemInform Abstract: 1‐Methyl‐2‐benzimidazolylcarbene. Reactions of 1‐Methyl‐2‐(chloromethyl)benzimidazole with Nucleophiles.
Authors: POPOV I. I. 
Published: May 2016

AbstractThe chloromethylbenzimidazole (I) is coupled with the electrophiles (II) to give the substitution products (III).
ChemInform Abstract: Syntheses and Reactions of Silyl Carbamates. Part 2. A New Mode of Cyclic Carbamate Formation from tert.‐Butyldimethylsilyl Carbamate.
Authors: SAKAITANI M. , OHFUNE Y. 
Published: May 2016

AbstractStereoselective construction of 1,2‐ and 1,3‐amino hydroxyl systems is achieved by intramolecular trapping of silyl carbamates activated by the fluoride ion.
ChemInform Abstract: Uncatalyzed Addition Reaction of Unactivated Carbonyl Compounds to α‐Oximinophenylacetonitrile Oxide.
Authors: ANDRIANOV V. G. , EREMEEV A. V. 
Published: May 2016

Abstractα‐Oximinophenylacetonitrile oxide, prepared in situ from α‐oximinophenylacetohydroximoyl chloride (I), is coupled with the carbonyl compounds (II) to give the dioxazoles (III).
ChemInform Abstract: The Photochemical (2 + 2)Cycloaddition to N‐Methoxycarbonyl‐5,6‐dihydro‐4‐pyridone.
Authors: GUERRY P. , NEIER R. 
Published: May 2016

AbstractIrradiation of the N‐methoxycarbonyldihydropyridone (I) in the presence of the alkenes (II), followed by treatment with alumina in ether, results in the formation of the azabicyclo(4.2.0)octanones (III).
ChemInform Abstract: Synthesis and Pharmacological Activity of 1‐Imino‐1,2,3,4‐tetrahydropyrazino(1,2‐a)indole Derivatives.
Authors: ZAITSEV S. A. , GLUSHKOV R. G. , MASHKOVSKII M. D. , ANDREEVA N. I. 
Published: May 2016

AbstractThe indolecarboxylate (I) reacts with the chloroethylamine (II) to give the N‐substituted indol (III) which is transformed into the fused indoles (IV), (VI), (VIII), and (X).
ChemInform Abstract: Conformation and Electronic Preferences in Rhodium(II) Carboxylate and Rhodium(II) Carboxamide‐Catalyzed Carbon‐Hydrogen Insertion Reactions of N,N‐Disubstituted Diazoacetoacetamides.
Authors: DOYLE M. P. , TAUNTON J. , PHO H. Q. 
Published: May 2016

AbstractThe N‐(3‐ethoxycarbonylethyl) α‐azo β‐keto amides (I), (III), and (VII) are denitrogenated in the presence of rhodium catalysts to undergo cyclization, producing the β‐lactams (II), (IV), or (VIII), the pyrrolidinones (V) or (IX), and the oxazepinones (VI) or (X).
ChemInform Abstract: Oxidative Addition of Thiols to a Binuclear Platinum Complex; the Crystal Structure of (Pt2(μ‐S)(SCH2Ph)2(μ‐Ph2PCH2PPh2)2).
Authors: HADJ‐BAGHERI N. , PUDDEPHATT R. J. , MANOJLOVIC‐MUIR L. , STEFANOVIC A. 
Published: May 2016

AbstractReactions of the binuclear Pt(0) complex (I) with H2S (II), aliphatic and aromatic thiols are studied.
ChemInform Abstract: New (Pt3(μ3‐CO)(μ‐Ph2PCH2PPh2)3L)2+ Clusters, L: Phosphine or Phosphite Ligand, Containing an Asymmetric Pt3(μ3‐CO) Group and the Crystal Structure of the Complex with L: P(OPh)3.
Authors: BRADFORD A. M. , DOUGLAS G. , MANOJLOVIC‐MUIR L. , MUIR K. W. , PUDDEPHATT R. J. 
Published: May 2016

AbstractComplexes (IIIa)‐(IIIc) are thermally stable, but (IIId) readily dissociate to regenerate (I).
ChemInform Abstract: Hypervalent Organoiodine Reagents in the β‐Fragmentation of Unsaturated Lactols Leading to Spiro Compounds.
Authors: HERNANDEZ R. , MARRERO J. J. , SUAREZ E. 
Published: May 2016

AbstractThe unsaturated steroid lactol (I), prepared from glyoxylic acid and 5α‐cholestan‐3‐one, reacts with diacetoxyiodobenzene in the presence of iodine, forming the spirocyclic anhydrides (II).
ChemInform Abstract: Solid‐Phase Synthesis of Glycopeptide Amides Under Mild Conditions: Morphiceptin Analogues.
Authors: BARDAJI E. , TORRES J. L. , CLAPES P. , ALBERICIO F. , BARANY G. , VALENCIA G. 
Published: May 2016

AbstractUsing the protected valeric acid derivative (I) as anchor group at an aminomethyl polystyrole resin, the synthesis of the title compounds (II) is achieved.
ChemInform Abstract: 3H‐1,2‐Benzodithiole‐3‐one 1,1‐Dioxide as an Improved Sulfurizing Reagent in the Solid‐Phase Synthesis of Oligodeoxyribonucleoside Phosphorothioates.
Authors: IYER R. P. , EGAN W. , REGAN J. B. , BEAUCAGE S. L. 
Published: May 2016

AbstractPhosphorothioate oligodeoxyribonucleotides are known to be resistant to degradation by nucleases, and, hence, have demonstrated their usefulness as "antisense" molecules by inhibiting gene expression in vitro.
ChemInform Abstract: An Efficient Regioselective Synthesis of Substituted Purine Analogues of Guanosine and Inosine.
Authors: RAJU N. , ROBINS R. K. , VAGHEFI M. M. 
Published: May 2016

AbstractThe N‐trimethylsilylpurine (IX), prepared from 2‐bromo‐6‐oxopurine (I), is coupled with the ribose derivatives (X) to yield the N9‐substituted purines (XI) as the main products.
ChemInform Abstract: Oligomeric Flavanoids. Part 7. Novel Base‐Catalyzed Pyran Rearrangements of Procyanidins.
Authors: STEYNBERG J. P. , BEZUIDENHOUDT B. C. B. , BURGER J. F. W. , YOUNG D. A. , FERREIRA D. 
Published: May 2016

AbstractProcyanidin B‐3 (I) is subjected to readily occurring C‐ring isomerizations in alkaline buffer solution to form the novel tetrahydropyranochromene (II) and a series of flavanylbenzopyrans (III) and (IV), in which the C‐2 pyrocatechol and C‐4 (+)‐catechin moieties are interchanged relative to their positions in the biflavanoid (I) (most yields in g; isolation of the compounds as their methyl or acetyl derivatives).
ChemInform Abstract: Novel Compounds with Melilite Structure: M2SiBe2O7 (M: Nd‐Eu, Tb, Ho‐Lu) and M2GeBe2O7 (M: Nd, Eu, Tb, Ho, Tm‐Lu).
Authors: MILL' B. V. , BAIBAKOVA G. D. 
Published: May 2016

AbstractThe title compounds are prepared from mixtures of the oxides by solid‐phase reactions, which are conducted at 1200‐1400 °C under air.
ChemInform Abstract: Manganese(III) Diphosphates.
Authors: LYUTSKO V. A. , SELEVICH A. F. , KUTSEVA E. R. 
Published: May 2016

AbstractIn the presence of oxidants the reaction between manganese(II) salts and phosphorous acid conducted at 483‐413 K affords a novel modification of a manganese(III) hydrogendiphosphate viz.
ChemInform Abstract: Stereochemical Control in Microbial Reduction. Part 12. (S)‐4‐Nitro‐2‐butanol as a Source to Synthesize Natural Products.
Authors: NAKAMURA K. , KITAYAMA T. , INOUE Y. , OHNO A. 
Published: May 2016

AbstractThe title compound (II) undergoes Michael additions and condensations.
ChemInform Abstract: Reaction of Vinylacetylene with Ketoximes Under the Conditions of the Trofimov‐Reaction.
Authors: SOBENINA L. N. , MIKHALEVA A. I. , KOROSTOVA S. E. , SIGALOV M. V. 
Published: May 2016

AbstractThe reaction specified in the title unexpectedly affords mixtures of the 3‐butynyl (III), the 2,3‐butadienyl (IV) and the 2‐butynyl derivatives (V) instead of the expected vinylpyrroles.
ChemInform Abstract: Asymmetric Diels‐Alder Reactions of 1,3‐Disiloxycyclohexadiene with Chiral Acrylamides.
Authors: LAMY‐SCHELKENS H. , GHOSEZ L. 
Published: May 2016

AbstractThe 1,3‐disiloxycyclohexadiene (I) undergoes Lewis acid‐catalyzed Diels‐Alder reaction with the acrylamides (II) to form either predominantly the endo‐adducts (III) or solely the exo‐adducts (IV) depending on the catalyst employed.
ChemInform Abstract: Mechanism of the Gas‐Phase Isomerization of Dihalobenzenes over Zeolite β.
Authors: PARDILLOS J. , BRUNEL D. , COQ B. , MASSIANI P. , DE MENORVAL L. C. , FIGUERAS F. 
Published: May 2016

AbstractThe title reaction of (I) proceeds in the adsorbed phase through a protonated intermediate and is affected by the acidity of the zeolite by variation of the Al content.
ChemInform Abstract: A Distereoselective Route to Substituted β‐Amino Acids Using Enolate Claisen Rearrangements.
Authors: DELL C. P. , KHAN K. M. , KNIGHT D. W. 
Published: May 2016

AbstractTreatment of the protected aminocarboxlic acid alkenyl esters (I), (V), (VIII), and (IX) with trimethylsilyl chloride (II), followed by hydrolysis of the silyl esters and esterification with diazomethane (III) results in rearrangement, yielding the unsaturated esters (IV), (VI) and (VII), or (X).
ChemInform Abstract: Intramolecular Photocycloaddition and Retro‐Mannich Fragmentation of Acyclic Tertiary Vinylogous Amides.
Authors: WINKLER J. D. , HADDAD N. , OGILVIE R. J. 
Published: May 2016

AbstractThe tertiary vinylogous amides (III), prepared from the homoallylic amines (I) and the vinylogous acid chloride (II), are submitted to photolysis.
ChemInform Abstract: Modification of Photochemical Reactivity by Zeolites: Cation Enhanced α‐Cleavage of Aryl Alkyl Ketones Included in Faujasites.
Authors: RAMAMURTHY V. , CORBIN D. R. , TURRO N. J. , SATO Y. 
Published: May 2016

AbstractThe irradiation of the phenyl ketones (I) is performed in benzene or in various zeolites doted with alkali or alkaline earth metal ions.
ChemInform Abstract: On Catalyzed and Uncatalyzed Hydroborations of Chiral Allylic Alcohols and Amines.
Authors: BURGESS K. , OHLMEYER M. J. 
Published: May 2016

AbstractThe allylic acetates (I) and (IV) are hydroxylated via reaction with catecholborane in the presence of a rhodium catalyst, followed by oxidative work‐up, to give mainly the anti‐isomers (III) or (VI) of 1,3‐diols.
ChemInform Abstract: Metal‐Promoted Cyclization. Part 31. Stereoselective Synthesis of Exocyclic Alkenes via Zirconium‐Promoted Alkyl‐Diene Coupling.
Authors: NEGISHI E. , MILLER S. R. 
Published: May 2016

AbstractThe dienes (I) react with the dialkylzirconium complexes (II) to give stereoselectively the exocyclic alkenes (III) after protonation.