bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Pyrimidines. Part 64. Novel Reaction of Uracil Derivatives Possessing Electron‐Withdrawing Groups at the 5‐Position with Amines: Exchange Reaction Between the N1‐Portion of Uracils and Amines.
Authors: HIROTA K. , KITADE Y. , SAJIKI H. , MAKI Y. , YOGO M. 
Published: May 2016

Abstract5‐Cyanouracils are used as starting products as well (total 19 examples).
ChemInform Abstract: Brominated Bis(indole) Alkaloids from the Marine Sponge Hexadella sp.
Authors: MORRIS S. A. , ANDERSEN R. J. 
Published: May 2016

AbstractThree new brominated bis(indole) alkaloids, topsentin C (I), dragmacidon A (IIa) and dragmacidon B (IIb), are isolated from the Pacific Ocean sponge Hexadella sp.
ChemInform Abstract: C‐Nucleosides. Part 1. Preparation of Tiazofurin (X) and N‐Substituted Tiazofurins from Benzyl (2′,3′,5′‐Tri‐O‐benzoyl‐β‐D‐ribofuranosyl)penicillinate.
Authors: HUMBER D. C. , MULHOLLAND K. R. , STOODLEY R. J. 
Published: May 2016

AbstractThe substituted tiazofurin (XI) is prepared similarly to (VIII) from (IV).
ChemInform Abstract: A Differential Scanning Calorimetry Study of Hydrogen‐Induced Amorphization in GdMn2, PrMn2 and NdMn2 Laves Phases.
Authors: CHUNG U.‐I. , LEE J.‐Y. 
Published: May 2016

AbstractThe DSC results obtained for the Laves phases LnMn2 (Ln: Gd, Pr, Nd) in H2 atmosphere show two exothermic reactions which are related to the formation of a crystalline hydride and of microcrystals of LnH2 and α‐Mn, respectively.
ChemInform Abstract: Lewis Acid Promoted Cross Aldol Reaction of Aldehydes with Ketones Utilizing 3‐Methyl‐2‐phenyl‐2‐(2‐oxoalkyl)benzothiazolines as an Enolate‐Transferring Reagent.
Authors: CHIKASHITA H. , TAME S. , YAMADA S. , ITOH K. 
Published: May 2016

AbstractSnCl4 is found to be the most effective Lewis acid for the reactions of benzothiazolines such as (I) or (IV) with aldehydes such as (II).
ChemInform Abstract: Palladium‐Catalyzed Polyene Cyclizations of Trienyl Triflates.
Authors: CARPENTER N. E. , KUCERA D. J. , OVERMAN L. E. 
Published: May 2016

AbstractThe enol triflates (I) undergo cyclization in the presence of palladium(II) acetate, forming the bicyclic dienones (II).
ChemInform Abstract: Studies on the Reactivities of Azoxybenzenes. Part 18. The Nitration of Azoxybenzene and Its Methyl Derivatives.
Authors: YAMAMOTO J. , MANDAI M. 
Published: May 2016

AbstractBy treatment of azoxybenzene (I) with dilute nitric acid (II) in acetic acid, the mononitro derivative (III) is formed selectively.
ChemInform Abstract: A Dramatic Solvent Effect During Aromatic Halogen‐Metal Exchanges. Different Products from Lithiation of Polyfluorobromobenzenes in Ether and THF.
Authors: BRIDGES A. J. , PATT W. C. , STICKNEY T. M. 
Published: May 2016

AbstractThe lithiation of the trifluorobromobenzene (I) with LDA in THF followed by carboxylation yields the tetrahalobenzoic acid (III).
ChemInform Abstract: Azoles. Part 27. Nitroimidazole Derivatives, Their Antibacterial and Fungicidal Activity and Electron Affinity.
Authors: ZAPRUTKO L. , GAJDZINSKI M. , MICHALSKA W. , PIETKIEWICZ K. , LUTOMSKI K. , LUKASZEWSKI Z. , WRZECIONO U. 
Published: May 2016

AbstractThe reaction of the dinitroimidazoles (I) with phenacyl bromides such as (II) or epichlorohydrin (IV) yields the corresponding N‐substituted derivatives (III) or (V) respectively.
ChemInform Abstract: Isolation of the Cembranoid Preverecynarmin Alongside Some Briaranes, the Verecynarmins, from Both the Nudibranch Mollusc Armina maculata and the Octocoral Veretillum cynomorium of the East Pyrenean Mediterranean Sea.
Authors: GUERRIERO A. , D'AMBROSIO M. , PIETRA F. 
Published: May 2016

AbstractThe three novel briaranes verecynarmin E (Ia), F (Ib) and G (II), the novel cembranoid preverecynarmin (IIIa) and the known cembranoid cembrene C (IIIb) are isolated.
ChemInform Abstract: Ionic Conductivity of Solid Electrolytes Based on Lithium Titanium Phosphate.
Authors: AONO H. , SUGIMOTO E. , SADAOKA Y. , IMANAKA N. , ADACHI G. 
Published: May 2016

AbstractIt is demonstrated that partial substitution of Ti(IV) and P(V) in LiTi2(PO4)3 by M(III) (M(III): Al, Cr, Ga, Fe, Sc, In, Lu, Y, La) and Si(IV), resp., results in an increase of the electrical conductivity and a decreased porosity of the solid electrolytes.
ChemInform Abstract: Solvation and Complexation of Metals in Water‐Hydrogen Fluoride Mixtures. Sn, Cd, Pb, and Tl.
Authors: BEAUDOIN R. , MENARD H. 
Published: May 2016

AbstractThe behavior of Sn and Tl in H2O‐HF mixtures (0‐100% HF) is studied polarographically.
ChemInform Abstract: K20Ga6Sb12.66 and K20Ga6As12.66, Compounds with Ga3Sb9‐ 6‐ and Ga3As9‐ 6‐Anions Isostructural to B3O3‐ 6.
Authors: CORDIER G. , OCHMANN H. 
Published: May 2016

AbstractThe title compounds are prepared by solid state reaction of the elements (slight excess of K; 1. 570 K, 2. 1300 K; corundum crucible, argon).
ChemInform Abstract: Experimental Charge Maps in Diactivated Carbanions: Access to Charge Demands of Primary Electron‐Withdrawing Functionalities.
Authors: BARCHIESI E. , BRADAMANTE S. , FERRACCIOLI R. , PAGANI G. A. 
Published: May 2016

AbstractIt is reported that the 13C shifts of C(1) in numerous 1,1‐disubstituted ethylene derivatives, R‐CH=CX2 and R‐CH=CXY, are predictable, relative to the unsubstituted system R‐CH=CH2 on the basis of additivity of the shielding contributions AX and AY.
ChemInform Abstract: Mechanism of Formation and Fragmentation of (8)Paracyclophane in the Gas Phase.
Authors: KRAAKMAN P. A. , EEKEN P. J. K. M. , DE WOLF W. H. , BICKELHAUPT F. 
Published: May 2016

AbstractFlash vacuum thermolysis of the spiro compound (I) at 600 °C yields the (8)paracyclophane (II), which at higher temp. is converted into the styrenes (III) and (IV).
ChemInform Abstract: Thermal Decomposition of Phenyl Alkyl Ethers.
Authors: ONDRUSCHKA B. , ENGELSTAEDTER U. + , VORWERK D. , ZIMMERMANN G. 
Published: May 2016

AbstractReaction products and intermediates of the thermal conversions (600‐1200 °C; ca. 120 mPa) of (I)‐(III) are determined.
ChemInform Abstract: Flash‐Pyrolysis of 1‐Vinylbenzotriazoles.
Authors: BARKER S. J. , STORR R. C. 
Published: May 2016

AbstractAs is shown by the title compounds (I), (III), (V), and (VIII), the relative sizes of substituents on the vinyl group control the conformational population of intermediate diradicals generated by flash vacuum pyrolysis and thereby product formation.
ChemInform Abstract: Organophosphorus Antioxidants. Part 10. The Hydroperoxide Decomposing Action of Phosphites, Phosphonites and Thiophosphites.
Authors: KOENIG T. + , HABICHER W. D. , SCHWETLICK K. 
Published: May 2016

AbstractKinetics and mechanism of reactions of a variety of phosphites, phosphonites, thiophosphites, and hydrogenphosphites with cumyl, tert. butyl, and α‐tetralyl hydrogenperoxides are studied by means of 31P NMR spectroscopy, HPLC, and iodometric titrations.
ChemInform Abstract: Osmium Tetraoxide Catalyzed Vicinal Hydroxylation of Higher Olefins by Using Hexacyanoferrate(III) Ion as a Cooxidant.
Authors: MINATO M. , YAMAMOTO K. , TSUJI J. 
Published: May 2016

AbstractThe method outlined in the reaction scheme represents an efficient modified access to cis‐diols such as (II) using hexacyanoferrate(III) as cooxidant.
ChemInform Abstract: Michael Addition of Methyl 2‐(Trimethylsilyl)propenoate with Organomagnesiums or Organolithiums Leading to 1:1 and/or 2:1 Adducts and Subsequent Peterson Olefination by Condensation with Carbonyl Compounds.
Authors: TANAKA J. , KANEMASA S. , NINOMIYA Y. , TSUGE O. 
Published: May 2016

AbstractMichael addition of the title compound (I) with organometallics such as (V) and subsequent Peterson olefination leads to the products (III) and/or (IV) resulting from the intermediate formation of 1:1 and/or 1:2 adduct anions such as (VI) and (VII).
ChemInform Abstract: Stereospecific Reductive Desulfurization of Vinyl Sulfoxides with tert‐Butyllithium and an Internal Proton Source.
Authors: THEOBALD P. G. , OKAMURA W. H. 
Published: May 2016

AbstractVinylic sulfoxides such as (I) are reduced with retention of the configuration using tBuLi with methanol as an internal proton source.
ChemInform Abstract: Topically Active Carbonic Anhydrase Inhibitors. Part 3. Benzofuran‐ and Indole‐2‐sulfonamides.
Authors: GRAHAM S. L. , HOFFMAN J. M. , GAUTHERON P. , MICHELSON S. R. , SCHOLZ T. H. , SCHWAM H. , SHEPARD K. L. , SMITH A. M. , SMITH R. L. , SONDEY J. M. , SUGRUE M. F. 
Published: May 2016

AbstractThe benzofuranone (I) and the protected indole (XVII) are converted into the sulfonamides (IV) and (XVIII) via consecutive lithiation, reaction with sulfur dioxide (II), oxidation, and final treatment with ammonia (III).
ChemInform Abstract: Synthesis and Pharmacological Evaluation of a Series of Dibenzo(a,d)cycloalkenimines as N‐Methyl‐D‐aspartate Antagonists.
Authors: THOMPSON W. J. , ANDERSON P. S. , BRITCHER S. F. , LYLE T. A. , THIES J. E. , MAGILL C. A. , VARGA S. L. , SCHWERING J. E. , LYLE P. A. , CHRISTY M. E. , EVANS B. E. , COLTON C. D. , HOLLOWAY M. K. , SPRINGER J. P. , HIRSHFIELD J. M. , BALL R. G. , AMATO J. S. , LARSEN R. D. , WONG E. H. F. , KEMP J. A. , TRICKLEBANK M. D. , SINGH L. , OLES R. , PRIESTLY T. , MARSHALL G. R. , KNIGHT A. R. , MIDDLEMISS D. N. , WOODRUFF G. N. , IVERSEN L. L. 
Published: May 2016

AbstractA series of seventy‐three dibenzocycloalkenimines is synthesized as outlined in the reaction scheme.
ChemInform Abstract: Novel S‐Alkylation Products from “Isolated Thiamin Ylide” via Thiaminium Neothiaminthiolate Ion Pair.
Authors: SUGIMOTO H. , ISHIBA T. , SATO T. , NAKAI H. , HIRAI K. 
Published: May 2016

AbstractTreatment of the thiamin monochloride (I) with sodium ethoxide yields the thiamin ylide (II) which reacts with methyl iodide (III) to give the pyrimidopyrimidine (IV), together with the ring‐opened hydrolysis product (V).
ChemInform Abstract: Instant Ligands. Part 4. Preparation of Some Difluorophosphinite Ligands from Unsaturated Hydroxy Compounds, and Their Reactions to Form Molybdenum Complexes.
Authors: DAVIS M. J. , RANKIN D. W. H. 
Published: May 2016

AbstractThe difluorophosphinite ligands (III) and (V) are characterized by NMR and IR spectroscopy.
ChemInform Abstract: Direct Synthesis of Trialk(ar)yl Phosphites and Trialk(ar)yl Trithiophosphites from Elemental Phosphorus.
Authors: RIESEL L. , KANT M. , HELBING R. 
Published: May 2016

AbstractIn the presence of an excess of triethylamine title compounds such as (III) can be produced in good yields by treating elemental phosphorus (I) with alcohols or thiols (II) and CCl4 (in molar ratio 1:12:6) in dipolar‐aprotic solvents.
ChemInform Abstract: Synthesis and Crystallographic Characterization of (Me5C5)2Ca(Me3SiCC‐CCSiMe3): The First Monomeric Diyne Complex of a Main‐Group Element.
Authors: WILLIAMS R. A. , HANUSA T. P. , HUFFMAN J. C. 
Published: May 2016

AbstractThe title complex (at ‐155 °C space group P21, Z=4) is obtained from Ca(η5‐C5Me5)2 and 1,4‐bis(trimethylsilyl)‐1,3‐butadiyne as an air‐sensitive crystalline compound.
ChemInform Abstract: New Near IR Absorbing Metal Complex Dyes with Heterocyclic Phenyliminoquinone‐Type Ligands.
Authors: KUBO Y. , KATAOKA H. , IKEZAWA M. , YOSHIDA K. 
Published: May 2016

AbstractCyclocondensation of o‐aminobenzenethiol (Ia) with the iminoquinolinones (II) gives phenothiazine dyes (IIIa) and (IIIb) in good yield, whereas o‐aminophenol (Ib) gives only poor yields of (IIIc) and (IIId).
ChemInform Abstract: Structure of a Sulfide of Thulium and Zinc, ZnTm2S4.
Authors: LEMOINE P. , TOMAS A. , VOVAN T. , GUITTARD M. 
Published: May 2016

AbstractThe title compound is prepared by annealing a stoichiometric mixture of ZnS and Tm2S3 at 1220 K (7 d).
ChemInform Abstract: Structure of Na4OI2.
Authors: SABROWSKY H. , HIPPLER K. , SITTA S. , VOGT P. , WALZ L. 
Published: May 2016

AbstractThe title compound is prepared by reaction of Na2O and NaI in a closed silver crucible at 830 K. Single crystals are only obtained when a mixture with 100% excess Na2O is annealed in a corundum crucible.
ChemInform Abstract: Preparation, Properties of and Reactions with Metal‐Containing Heterocycles. Part 70. Correlation Between Conformation and Chemical Shift in Phosphametallacycloalkanes.
Authors: LINDNER E. , FAWZI R. , MAYER H. A. , EICHELE K. , POHMER K. 
Published: May 2016

AbstractInvestigations of the acyclic and cyclic complexes (I), (II), (III), and (IV) show that different conformations have an obvious influence on the 31P and 13C chemical shift of metal adjacent ring atoms.
ChemInform Abstract: Stereochemistry of the Oxidative Addition of an Epoxide to Platinum(II): Relevance to Catalytic Reactions of Epoxides.
Authors: AYE K.‐T. , GELMINI L. , PAYNE N. C. , VITTAL J. J. , PUDDEPHATT R. J. 
Published: May 2016

AbstractThe reaction of (R)‐styrene oxide and that of cyclic trans‐CHD‐CHPh‐O with CO2 and PtMe2(1,10‐phenanthroline) are investigated using NMR techniques.
ChemInform Abstract: Enzyme‐Catalyzed Synthesis of (S)‐Cyanohydrins.
Authors: NIEDERMEYER U. , KULA M.‐R. 
Published: May 2016

AbstractWhile the synthesis of (R)‐cyanohydrins is documented by numerous examples, the enzymatic preparation of (S)‐cyanohydrins is not well established up to now.
ChemInform Abstract: Absolute Configuration of 6,8‐Dioxabicyclo(3.2.1)octane (Ia) and Several Methyl Substituted Derivatives.
Authors: IBRAHIM N. , EGGIMANN T. , DIXON E. A. , WIESER H. 
Published: May 2016

AbstractThe (1R) enantiomers (I)‐(III) and their (1S) antipodes are synthesized by standard synthetic methods and/or with baker's yeast.
ChemInform Abstract: Electrolytic Transformation of Fluoroorganic Compounds. Part 4. C‐C Bond Formation at α to a Trifluoromethyl Group. Cyanation and Allylation of α‐Trifluoromethylated N,O‐Acetals.
Authors: FUCHIGAMI T. , ICHIKAWA S. , KONNO A. 
Published: May 2016

AbstractThe α‐methoxy amines (I) react with trimethylsilyl cyanide (II) in the presence of boron trifluoride etherate to form the α‐amino nitriles (III).
ChemInform Abstract: Rearrangement of Bicyclo(2.2.1)heptane Ring Systems by Titanocene Alkylidene Complexes to Bicyclo(3.2.0)heptane Enol Ethers. Total Synthesis of (.+‐.)‐δ9(12)‐Capnellene.
Authors: STILLE J. R. , SANTARSIERO B. D. , GRUBBS R. H. 
Published: May 2016

AbstractThe titanacyclobutane (I) reacts with the norbornenes (II) to give the fused titanacyclobutanes (III).
ChemInform Abstract: Transition Metal‐Catalyzed Coupling of (1‐(Arylimino)alkyl)zinc with Aromatic Iodide.
Authors: MURAKAMI M. , ITO H. , ABU BAKAR W. A. W. , ABU BAKAR BIN BABA ABU BAKAR BIN BABA , ITO Y. 
Published: May 2016

AbstractThe isonitriles (I) react with dialkylzinc compounds (II) to give the imines (III) which are coupled with the aryl iodides (IV) to yield the substitution products (V).
ChemInform Abstract: Synthesis of Helical Poly‐β‐pyrroles. Multiple Atropisomerism Resulting in Helical Enantiomorphic Conformations.
Authors: MAGNUS P. , DANIKIEWICZ W. , KATOH T. , HUFFMAN J. C. , FOLTING K. 
Published: May 2016

AbstractA four‐step sequence converts the dinitrile (I) via the dicyanopyrrole (IV) into the Horner‐Wittig product (VI).
ChemInform Abstract: Micelle Activated Reactions. Part 1. Micelle Activated Iodination and Partial Dehalogenation of Pyrazoles and 1,2,4‐Triazoles.
Authors: MIETHCHEN R. , RANDOW R. , LISTEMANN R. , HILDEBRANDT J. , KOHLHEIM K. 
Published: May 2016

AbstractOnly anionic tensides, e.g. Rodapon N 50, have a catalytic effect on the iodination reactions shown in the scheme.
ChemInform Abstract: New Derivatives of 5‐Nitroimidazole: Synthesis and Antiparasitic Activity.
Authors: ALCALDE E. , MANOS L. , DINARES I. , VALLS N. , ELGUERO J. , ESCARIO J. A. , MARTINEZ A. R. , IGEA A. , OSUNA A. , RUIZ‐PEREZ L. M. , CIFUENTES J. 
Published: May 2016

AbstractReaction of 1‐(2‐chloroethyl)‐2‐methyl‐5‐nitroimidazole (I) with 1‐(n‐butyl) (IIa) or 1‐benzylimidazole (IIb) yields the lipophilic imidazolium salts (III).
ChemInform Abstract: Synthesis of a Novel Nitrogen Oxygen System. Salts of 1‐Nitramino‐1,2,3‐triazole 3‐Nitroimides.
Authors: SHITOV O. P. , VYAZKOV V. A. , TARTAKOVSKII V. A. 
Published: May 2016

AbstractThe aminotriazoles (I) are coupled with O‐picrylhydroxylamine (II) and nitric acid (III) to give the diaminotriazolium nitrates (IV) which are transformed into the salts (VI) upon treatment with nitryl tetrafluoroborate (V) and potassium acetate.
ChemInform Abstract: Intramolecular Cyclization of O‐Alkyl‐N‐(3‐phenylpropenoyl)thiocarbamates Catalyzed by Boron Trifluoride.
Authors: DZURILLA M. , KUTSCHY P. , KOSCIK D. , TOMA S. 
Published: May 2016

AbstractTo obtain thiazinones of type (III), O‐alkyl‐thiocarbamates (I) and (V) are treated with BF3, known as a good catalyst for this type of cyclization.
ChemInform Abstract: Synthesis and Antiinflammatory/Analgesic Activities of N‐Heterocyclic Carboxamides of Thiopyrano‐1,2‐benzothiazine.
Authors: SCHIAFFELLA F. , FRINGUELLI R. , CECCHETTI V. , FRAVOLINI A. , BRUNI G. , RUNCI F. M. 
Published: May 2016

AbstractThe carboxamides (III) are prepared by aminolysis of the methyl esters (I) with the appropriate heterocyclic amines (II).
ChemInform Abstract: Stereochemistry in a Medium‐Sized Ring. Highly Diastereoselective N‐Oxidation of a Substituted 3‐Benzazonine. X‐Ray Crystal Structure of an Unusual Complex Between an Amine N‐Oxide and Saccharin.
Authors: MARYANOFF B. E. , PARVEZ M. , OLOFSON R. A. 
Published: May 2016

AbstractMCPBA‐Oxidation of the trans‐benzazonine (I) yields the N‐oxide (II) along with only minor amounts of its isomer (III).
ChemInform Abstract: Synthesis of Cyclopentane‐Fused Oxygen Heterocycles from the Intramolecular Reaction of Alkynes with Cyclopropylcarbenechromium Complexes.
Authors: HERNDON J. W. , MATASI J. J. 
Published: May 2016

AbstractThe cyclopropylcarbenechromium complex (I) reacts with the alkynols (II) to give the α‐alkynyloxycarbene complexes (III).
ChemInform Abstract: Reactive E=C(p‐p)π‐Systems. Part 21. Preparation and Properties of 1λ3,3λ3‐Diphosphanes of the Type R2PCF2P(H)CF3.
Authors: GROBE J. , LANGE G. , LE VAN D. 
Published: May 2016

AbstractThe 1λ3,3λ3‐diphosphanes (III) are synthesized.
ChemInform Abstract: A General One‐Pot Synthesis of 1,3‐Butadienylphosphanes.
Authors: TEULADE M.‐P. , SAVIGNAC P. 
Published: May 2016

AbstractThe diethyl phosphonate (II) is α‐lithiated and then consecutively coupled with diphenylphosphinous chloride (Ia) and crotonaldehyde (Va) to form solely the adduct (VI).
ChemInform Abstract: Reaction of ((Cr(cp)(CO)3)2) (cp: η5‐C5H5) with Elemental Phosphorus. Isolation of (Cr2(cp)2(P5)) as a Thermolysis Product and Its X‐Ray Crystal Structure.
Authors: GOH L. Y. , WONG R. C. S. , CHU C. K. , HAMBLEY T. W. 
Published: May 2016

AbstractThe title reaction in toluene at 90 °C produces a mixture of the compounds (III)‐(VI), the relative proportion of which is dependent on the duration of the reaction (table).
ChemInform Abstract: Isolation and X‐Ray Structure of a Dinuclear Copper‐Nitrosyl Complex.
Authors: PAUL P. P. , TYEKLAR Z. , FAROOQ A. , KARLIN K. D. , LIU S. , ZUBIETA J. 
Published: May 2016

AbstractIn order to explore the chemistry of Cu(I) precursor compounds the reactions of (I) and (III) with the nitrosonium ion are studied.
ChemInform Abstract: High‐Pressure Conditions for Improved Synthesis of Phthalocyanines.
Authors: EDMONDSON S. J. , HILL J. S. , ISAACS N. S. , MITCHELL P. C. H. 
Published: May 2016

AbstractIt is shown that the use of pressures around 10 kbar combined with a reducing agent such as hydroquinone greatly increases the yields and the rates of formation of metal‐free and metallophthalocyanines in conventional preparations starting from 1,2‐dicyanobenzene and a metal salt.
ChemInform Abstract: Kinetics of Corrosion of Ruthenium Dioxide Hydrate by Bromate Ions Under Acidic Conditions
Authors: MILLS A. , DAVIES H. 
Published: May 2016

Abstract(0.5 M H2SO4) are studied as a function of BrO3‐ and RuO2·xH2O (powder) concentrations and temp. (20‐65°C).
ChemInform Abstract: Selective Conversion of 4‐Isopropenyl‐1‐methylcyclohex‐1‐ene (I) to 4‐Isopropylidenyl‐1‐methylcyclohex‐1‐ene (II) Over SO2‐ 4/ZrO2.
Authors: TANAKA T. , ITAGAKI A. , ZHANG G. , HATTORI H. , TANABE K. 
Published: May 2016

AbstractIsomerization of limonene (I) is carried out over various metal oxides and AlPO4 at 60 °C and 1 atm to identify catalysts over which terpinolene (II) is preferentially formed.
ChemInform Abstract: Acyclic Stereoselection. Part 47. Stereochemistry of the Michael Addition of Ester and Ketone Enolates to α,β‐Unsaturated Ketones.
Authors: OARE D. A. , HEATHCOCK C. H. 
Published: May 2016

AbstractThe propionate (I) is converted to the E‐(III) or Z‐enolate (VIII) depending on the lithiation conditions.
ChemInform Abstract: Studies on as‐Triazine Derivatives. Part 14. Synthesis and Reverse Electron‐Demand Diels‐Alder Reaction of Ethyl 5,8‐Dichloro‐1,2,4‐benzotriazine‐3‐carboxylate.
Authors: SAGI M. , SATO O. , KONNO S. , YAMANAKA H. 
Published: May 2016

AbstractCyclocondensation of cyclohexane‐1,2‐dione (I) with the amidrazones (II) produces the tetrahydro‐1,2,4‐benzotriazine derivatives (III) which are chlorinated with sulfuryl chloride to form the tetrachloro derivative (IV).
ChemInform Abstract: The Reactions of Indoles in Aqueous Solution Initiated by One‐Electron Oxidation.
Authors: SHEN X. , LIND J. , ERIKSEN T. E. , MERENYI G. 
Published: May 2016

AbstractThe reaction mechanism is investigated in detail underlying one‐electron oxidation of (Ia) and, to a lesser extent, (Ib) and (III).
ChemInform Abstract: Synthesis of 2,6‐Disubstituted Dihydronaphthalenes and Naphthalenes by Electrocyclic Reaction of o‐Quinodimethane. A Synthesis of (.+‐.)‐Naproxen.
Authors: SHISHIDO K. , YAMASHITA A. , HIROYA K. , FUKUMOTO K. , KAMETANI T. 
Published: May 2016

AbstractA way to form dihydrobenzocyclobutenes such as (V) in good yield is described.
ChemInform Abstract: Synthesis and Spectroscopic Properties of New Rose Bengal and Eosin Y Derivatives.
Authors: AMAT‐GUERRI F. , LOPEZ‐GONZALEZ M. M. C. , MARTINEZ‐UTRILLA R. , SASTRE R. 
Published: May 2016

AbstractThe column chromatographic purification of the acid form of Rose Bengal or Eosin Y results in the formation of the pure lactones (Ia) or (Ib).
ChemInform Abstract: The Total Synthesis of (+)‐Ryanodol. Part 1. General Strategy and Search for a Convenient Diene for the Construction of a Key Tricyclic Intermediate.
Authors: DESLONGCHAMPS P. , BELANGER A. , BERNEY D. J. F. , BORSCHBERG H.‐J. , BROUSSEAU R. , DOUTHEAU A. , DURAND R. , KATAYAMA H. , LAPALME R. , LETURC D. M. , LIAO C.‐C. , MACLACHLAN F. N. , MAFFRAND J.‐P. , MARAZZA F. , MARTINO R. , MOREAU C. , RUEST L. , SAINT‐LAURENT L. , SAINTONGE R. , SOUCY P. 
Published: May 2016

AbstractThe paper reports a retrosynthetic analysis that leads to the conception of a synthetic strategy for the construction of ryanodol (Ia), the diterpene of ryanodine (Ib), a natural product isolated from Ryania speciosa.
ChemInform Abstract: Preparation and Biological Activity of 17β‐Carboxylic Acids in the Androstane Series.
Authors: GERASIMOVA M. L. , GUSAROVA T. I. , NIKITIN V. B. , ENGALYCHEVA G. N. , KAMINKA M. E. , KULESHOVA E. F. 
Published: May 2016

AbstractAir oxidation of the side chain of the pregnane derivative (I) yields the androstanecarboxylic acid (II).
ChemInform Abstract: Synthesis and Antihypertensive Properties of Some N‐Acyl‐Substituted D‐Penicillamines.
Authors: GRANIK V. G. , GRIZIK S. I. , FAERMARK I. F. , SHVARTS G. YA. , SOLOV'EVA N. P. , CHISTYAKOV V. V. , MASHKOVSKII M. D. 
Published: May 2016

AbstractReaction of penicillamine (II) with the oxopyrrolidinecarboxylic chloride (I) gives the amide (III) which is coupled with hydrazine hydrate (IV), producing the glutamylpenicillamine (V).
ChemInform Abstract: Transformations of α‐ and β‐Ionones into α‐ and β‐Damascone and β‐Damascenone Using Allylsilane Chemistry.
Authors: AZZARI E. , FAGGI C. , GELSOMINI N. , TADDEI M. 
Published: May 2016

AbstractReduction of the ionones (I) with sodium borohydride, followed by acetylation and coupling with the cuprate (IV), produces the allylsilanes (V).