bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Spectroscopical and Electrochemical Behavior of New Mixed‐Ligand Cyclometalated Rh(III) Complexes.
Authors: SANDRINI D. , MAESTRI M. , CIANO M. , MAEDER U. , VON ZELEWSKY A. 
Published: May 2016

AbstractThe absorption spectra, luminescence spectra, excited‐state lifetimes, and electrochemical behavior of the title complexes (I) and (II) are investigated.
ChemInform Abstract: N‐Amination of 3‐Amino‐1,2,4‐triazole with Hydroxylamine‐O‐sulfonic Acid: Synthesis of 1,5‐Diamino‐1,2,4‐triazole.
Authors: SALAZAR L. , ESPADA M. , AVENDANO C. , ELGUERO J. 
Published: May 2016

AbstractTreatment of the triazole (I) with the sulfonic acid (II) at 0 °C (45 min) increases the regioselectivity with respect to the desired product (III), but the yield is increased.
ChemInform Abstract: Dimroth Rearrangement of Pyrimido(4′,5′:4,5)thieno(2,3‐b)quinolines.
Authors: RAJ T. T. , AMBEKAR S. Y. 
Published: May 2016

AbstractReaction of the 3‐amino‐2‐thiophenecarbonitrile (I) with triethyl orthoformate (II) gives the derivative (III) which is further coupled with amines such as (IV) to form the pyrimidine derivative (V).
ChemInform Abstract: Reactions of Cyclic Halo Ketones with Trivalent Phosphorus Compounds.
Authors: GRISHINA L. N. , GAIFULLINA O. E. , DUBININA N. P. , SHAIDULLINA V. G. , BAYANDINA E. V. 
Published: May 2016

Abstract7,7‐Dichlorobicyclo(3.2.0)hept‐2‐en‐6‐one (I) reacts with the dialkyl phosphites (II) to give the phosphonates (III), which are O‐acylated with acetic anhydride (IV), producing the acetates (V).
ChemInform Abstract: Recent Work on the Synthesis of Phosphonate‐Containing, Bone‐Active Heterocycles.
Authors: EBETINO F. H. , DEGENHARDT C. R. , JAMIESON L. A. , BURDSALL D. C. 
Published: May 2016

AbstractThe diol ditosylates (I) undergo ring closure reaction with tetraisopropyl methylenebisphosphonate (II) in toluene to give the tetraisopropyl cycloalkane‐1,1‐bisphosphonates (III) which are hydrolyzed with hydrochloric acid to form the cycloalkane‐1,1‐bisphosphonic acids (IV).
ChemInform Abstract: Synthesis, Structure, and Reactivity of Metallacycle‐Carbene and ‐Bis(carbene) Complexes. A New Intramolecular Carbene‐Carbene Coupling Process.
Authors: O'CONNOR J. M. , PU L. , RHEINGOLD A. L. 
Published: May 2016

AbstractThe cationic chloride abstraction product (III) from (I) reacts with 3‐butyn‐1‐ol (IVa) or 4‐pentyn‐2‐ol (IVb) to give the iridiacyclopentadiene‐carbene complexes (Va) and (Vb).
ChemInform Abstract: Structure of L‐1‐Benzyl‐4‐hydroxymethyl‐2‐azetidinone.
Authors: LEE C. H. , CHO S.‐I. , KIM E. , SHIN H.‐S. , RUBLE J. R. , CRAVEN B. M. 
Published: May 2016

AbstractThe X‐ray structure of the title compound (I) (space group P212121, Z=4) is reported.
ChemInform Abstract: Outer‐Sphere and Inner‐Sphere Processes in Reductive Elimination. Direct and Indirect Electrochemical Reduction of Vicinal Dibromoalkanes.
Authors: LEXA D. , SAVEANT J.‐M. , SCHAEFER H. J. + , SU K.‐B. , VERING B. , WANG D. L. 
Published: May 2016

AbstractVicinal dibromides such as (I) and (III)‐(V) are reduced by outer‐sphere reagents such as carbon electrodes or aromatic anion radicals according to an "ET" mechanism.
ChemInform Abstract: Synthesis of Fluorescent 2,3‐Fused Coumarin Derivatives.
Authors: RAJAGOPAL R. , SHENOY V. U. , PADMANABHAN S. , SEQUERIA S. , SESHADRI S. 
Published: May 2016

AbstractReaction of the iminobenzopyrancarboxamides (IIIa) and (IIIb) with the phosphorochloridothioate (IV) gives the anellated diazaphosphorines (V) which form yellow shades on polyester and give average tinctorial power and low light fastness.
ChemInform Abstract: Chelation Control by Phosphite Esters in Rhodium‐Catalyzed Hydroformylation.
Authors: JACKSON W. R. , PERLMUTTER P. , TASDELEN E. E. 
Published: May 2016

AbstractHydroformylation of the unsaturated phosphites (I), (VI), or (IX) in the presence of a rhodium(II) catalyst yields the aldehydes (IV), (VII), or (X) and (XI).
ChemInform Abstract: The Proton‐Catalyzed Transformation of a Cobaltacyclopentadiene into a η4‐Cyclobutadiene Cobalt Complex.
Authors: BRANDT L. , GREEN M. , PARKINS A. W. 
Published: May 2016

AbstractH+ addition to the diene system of (I) gives the cationic complex (II), isolated at ‐30 °C, which rearranges to the unusual isomer (III), stabilized by intramolecular phosphine addition.
ChemInform Abstract: RbV3P4O17+x (x = 0.14): A Novel Mixed‐Valence Vanadium Pyrophosphate.
Authors: LII K. H. , LEE C. S. 
Published: May 2016

AbstractThe nonstoichiometric title compound is prepared by reaction of Rb4V2O7, V2O5, and P2O5 (1:5:8, 650 °C, sealed silica tube, 2 d and 700 °C, air, 2 d).
ChemInform Abstract: Palladium(0)‐ and Nickel(0)‐Catalyzed “Metallo‐Ene‐Type” Cyclizations: Stereodirecting Resident Chirality.
Authors: OPPOLZER W. , KELLER T. H. , KUO D. L. , PACHINGER W. 
Published: May 2016

AbstractThe acetoxymethyl 1,6‐dienes (I) and (III) undergo nickel‐mediated ring closure, forming the methylene vinyl pentacycles (II) or (IV) with predominance of the trans‐isomers.
ChemInform Abstract: Bicyclo(3.1.0)hex‐1(6)‐enes: Reactivity of the 3‐Oxa Derivative.
Authors: HALTON B. , BRIDLE J. H. , LOVETT E. G. 
Published: May 2016

AbstractThe dichlorooxabicyclo(3.1.0)hexane (Ia) and the thia analogue (Ib) react with tert‐butoxide to form the bridgehead olefins (II) which are trapped by cycloaddition reaction with diphenylisobenzofuran (III) or furan (V), forming the polycycles (IV) or (VI).
ChemInform Abstract: Characterization of Vanadium Oxide Catalysts Supported on SnO2 by 51V and 1H Solid‐State NMR Spectroscopy
Authors: NARSIMHA K. , REDDY B. M. , RAO P. K. , MASTIKHIN V. M. 
Published: May 2016

Abstractis carried out as a function of V2O5 loading.
ChemInform Abstract: Electrocatalytic Oxidation of Allylic Ethers, Dihydropyran, and Phenol Using a Polypyridyl Complex of Ruthenium(IV).
Authors: CAMPOS J. L. , DE GIOVANI W. F. , ROMERO J. R. 
Published: May 2016

AbstractThe electrocatalytic oxidation of the allylic ethers (I), dihydropyran (IV), and phenol gives the corresponding oxidation products as shown in the reaction scheme.
ChemInform Abstract: Synthetic Application of the Alder‐Bong Reaction: Stereoselective Construction of the Methanohydroazulene Framework.
Authors: GIGUERE R. J. , HARRAN P. G. , LOPEZ B. O. 
Published: May 2016

AbstractThe combined Diels‐Alder/ene reaction of the dienone acetal (I) with the acetylenedicarboxylate (II) produces the regioisomeric cycloadducts (III) and (IV).
ChemInform Abstract: Preparation of Optically Pure p‐(1‐Hydroxy‐2,2,2‐trifluoroethyl)benzoic Acid.
Authors: KITAZUME T. , YAMAZAKI T. , ITO K. 
Published: May 2016

AbstractThe key step in the synthesis of the optically active title compound (+)‐(X) is the enzymatically mediated stereoselective hydrolysis of the racemic isobutyrate (±)‐(VI).
ChemInform Abstract: Addition of Phosphinous Acid Trimethylsilyl Esters to Cumulated Double Bond Systems.
Authors: WELL M. , SCHMUTZLER R. 
Published: May 2016

AbstractThe reaction of (I) with the dienes (II), (IV), (VI) and (VIII) is found to occur with 1,3‐trimethylsilyl migration yielding the corresponding derivatives (III), (V) and (VII).
ChemInform Abstract: Alkyl Exchange Between Organo‐Tellurium Compounds: Synthesis of Mixed Alkyl Tellurides of the Type RTeR′.
Authors: MCQUEEN A. E. D. , PARKER M. B. , MULLIN J. B. , COLE‐HAMILTON D. J. 
Published: May 2016

AbstractAlkyl exchange reaction between the symmetrical telluride (I) and the symmetrical ditellurides (II) leads to the formation of the unsymmetrical tellurides (III) and ditellurides (IV).
ChemInform Abstract: The Novel Redox Reaction and Thiolato Ligand Transfer Between Cp2Ti(SCMe3)2 and CpCo(CO)2. Preparation and Structure of (CpCo(μ‐SCMe3))2.
Authors: SHAVER A. , MORRIS S. , TURRIN R. , DAY V. W. 
Published: May 2016

Abstract(III), crystallizing in P21/n with Z=4, is the first structurally characterized Co complex of this type.
ChemInform Abstract: A One‐Pot Procedure for the Deoxygenation of α,β‐Unsaturated Ketones and a Synthesis of the Mealybug Pheromone.
Authors: BAECKSTROEM P. + , LI L. 
Published: May 2016

AbstractIsopropenyl methyl ketone (I) is coupled with methacrolein (II) to generate the hydroxy dienone (III).
ChemInform Abstract: New Ternary Representatives of the ThCr2Si2‐ and CaZn2Al2‐Type Structures in the Systems A‐M‐X and Ln‐M‐X (A: Ca, Sr, Ba; Ln: La, Ce, Pr; M: Cu, Ag, Au; X: Al, Ga).
Authors: CORDIER G. , DOERSAM G. + , ROEHR C. + 
Published: May 2016

AbstractTwelve compounds of the title systems of general formula A(Ln)MxX4‐x (0.2 ≦ x ≦ 0.8) are prepared (from the elements at 1470 K) and found to crystallize in the tetragonal space group I4/mmm with Z=2.
ChemInform Abstract: Palladium‐Catalyzed Condensation of Aryl Halides with Phenylsulfonylacetonitrile and Diethyl Cyanomethylphosphonate.
Authors: SAKAMOTO T. , KATOH E. , KONDO Y. , YAMANAKA H. 
Published: May 2016

AbstractThe bromobenzenes (I) or the bromohetarenes (IV) undergo palladium‐catalyzed coupling with phenylsulfonylacetonitrile (II), producing the α‐sulfonyl nitriles (III) or (V).
ChemInform Abstract: Bromination of 2‐Methoxy‐5‐formylphenyl 3′,4′‐Methylenedioxy‐6′‐formylphenyl Ether.
Authors: BARATOV N. U. , VINOGRADOVA V. I. , YUNUSOV M. S. 
Published: May 2016

AbstractBromination of the title compound (I) unexpectedly affords the product (II).
ChemInform Abstract: Catalytic Iron‐Mediated Ene Carbocyclizations: Formal (4 + 4)‐Ene Reactions of Triene Esters.
Authors: TAKACS J. M. , NEWSOME P. W. , KUEHN C. , TAKUSAGAWA F. 
Published: May 2016

AbstractThe 2‐substituted decatrienoate (I) undergoes an iron‐catalyzed carbocyclization to give the trans‐cyclopentane (II) as a result of a (4 + 4)‐ene reaction in which cis‐propenyl and 2‐acroyl functionalities are introduced as appendages to the newly formed cyclopentane ring by the cyclization.
ChemInform Abstract: Difluoromethanesulfonic Acid. Part 2. A Two‐Step Route to the Free Acid from Monohydrated Sodium Difluoromethanesulfonate.
Authors: LANGLOIS B. R. 
Published: May 2016

AbstractAnhydrous difluoromethanesulfonic acid (III) is produced from the stable sodium salt (I) in two steps.
ChemInform Abstract: Synthesis and Properties of 5‐Phenylethynylfuran‐2‐carboxaldehyde.
Authors: ZAVODNOV V. S. , KUL'NEVICH V. G. , ZINOV'EV V. D. 
Published: May 2016

AbstractCopper phenylacetylide (I) reacts with 5‐iodofurfural (II) to give the aldehyde (III) mentioned in the title which is converted to the amide (V) via Beckmann rearrangement of the oxime.
ChemInform Abstract: Highly Stereoselective Addition of Alkylcopper Reagents to N‐Acyliminium Ions. Enantioselective Synthesis of trans‐2‐Butyl‐5‐heptylpyrrolidine.
Authors: SKRINJAR M. , WISTRAND L.‐G. 
Published: May 2016

AbstractThe methoxypyrrolidinedicarboxylate (I) reacts with the organocuprates (II) in the presence of BF3 to give the substitution products (III) and (IV) with predominance of the trans‐isomers (III).
ChemInform Abstract: Rhodium Carbenoid Mediated Cyclizations. Part 5. Synthesis and Rearrangement of Cyclic Sulfonium Ylides; Preparation of 6‐ and 7‐Membered Sulfur Heterocycles.
Authors: MOODY C. J. , TAYLOR R. J. 
Published: May 2016

AbstractThe Rh2(O‐Ac)4‐catalyzed cyclization of diazo mercaptans and diazo sulfides leads to sulfur heterocycles, e.g. (IV), (VII) and (XI).
ChemInform Abstract: Purines. Part 41. An Alternative Synthesis and the Chemical Behavior of 7,9‐Dialkyladeninium Salts.
Authors: SAITO T. , INOUE I. , FUJII T. 
Published: May 2016

AbstractThe adeninium salts (V) are prepared by N‐alkylation of the imidazolecarboxamidines (I) and subsequent ring closure upon hydrogenolysis.
ChemInform Abstract: The Synthesis and Antilipid Peroxidation Activity of 4,4‐Diarylbutylamines and 4,4‐Diarylbutanamides.
Authors: MIYANO S. , TATSUOKA T. , SUZUKI K. , IMAO K. , SATOH F. , ISHIHARA T. , HIROTSU I. , KIHARA T. , HATTA M. , HORIKAWA Y. , SUMOTO K. 
Published: May 2016

AbstractStarting with the phenylbutyrolactone (I), the 4,4‐diarylbutanamides (V) and (XI) are prepared either via treatment of the activated ester derived from the butyric acid (III) with amines, e.g. (IV), or by cleavage of the benzo‐fused tetrahydrooxepinone (VIII) with the amines (X).
ChemInform Abstract: Reactions of Ammonium Sulfide and 4‐Chloro‐3,5‐dinitrobenzotrifluoride and Its Derivatives. Synthesis of 1,6‐Dinitro‐3,8‐bis(trifluoromethyl)phenothiazine, 2,2‐Dimethyl‐5‐trifluoromethyl‐7‐nitrobenzothiazoline, and Related Compounds.
Authors: CHEN M.‐J. , CHI C.‐S. , CHEN Q.‐Y. 
Published: May 2016

Abstract4‐Chloro‐3,5‐dinitrobenzotrifluoride (I) reacts with ammonium sulfide (II) to give 1,6‐dinitro‐3,8‐bis(trifluoromethyl)phenothiazine (III).
ChemInform Abstract: Heteroadamantanes and Their Derivatives. Part 9. Synthesis of 1,5‐Dinitro‐3,7‐diazabicyclo(3.3.1)nonane and 2,2‐Disubstituted 5,7‐Dinitro‐1,3‐diazaadamantanes Therefrom.
Authors: KUZNETSOV A. I. , ROMANOVA K. I. , BASARGIN E. B. , MOSKOVKIN A. S. , UNKOVSKII B. V. 
Published: May 2016

AbstractTreatment of the 3,7‐di‐tert‐butyldiazabicyclononane (I) with hydrobromic acid gives the ammonium salt (II) which is converted to free amine (III).
ChemInform Abstract: Organometallic Host‐Guest Systems as Novel Charge‐Transfer Ion Pairs with Three‐Dimensional Donor Network.
Authors: ELLER S. , ADAM M. , FISCHER R. D. 
Published: May 2016

AbstractPolymeric compounds of (Me3Sn)4M(CN)6 (M: Fe, Ru, Os) react with guest ions such as methyl‐ and benzylviologen by ion exchange to yield in high yield (82‐87%) the polymeric title systems.
ChemInform Abstract: New Ferroelastic K2Sr(MoO4)2: Synthesis, Phase Transitions, Crystal and Domain Structures, Ionic Conductivity.
Authors: Tsyrenova Galina D. , Pavlova Erzhena T. , Solodovnikov Sergey F. , Popova Nadezhda N. , Kardash Tatyana Yu. , Stefanovich Sergey Yu. , Gudkova Irina A. , Solodovnikova Zoya A. , Lazoryak Bogdan I. 
Published: May 2016

AbstractPolycrystalline K2Sr(MoO4)2 is prepared by solid state reaction of a stoichiometric mixture of K2CO3, SrCO3 and MoO3 (573—923 K, 80 h).
ChemInform Abstract: La1‐xBi1+xS3 (x ≈ 0.08): An n‐Type Semiconductor.
Authors: Han Fei , Liu Huimei , Malliakas Christos D. , Sturza Mihai , Chung Duck Young , Wan Xiangang , Kanatzidis Mercouri G. 
Published: May 2016

AbstractThe new compound of title is prepared by solid state reaction of La2S3 and Bi2S3 (alumina crucible, 1000 °C, 10 h).
ChemInform Abstract: Synthesis, Crystal Structure and High‐Temperature Transport Properties of the New Cluster Compound Rb2Mo15Se19.
Authors: Daigre Gilles , Gougeon Patrick , Gall Philippe , Gautier Regis , Guillou Olivier , Vaney Jean‐Baptiste , Candolfi Christophe , Dauscher Anne , Lenoir Bertrand 
Published: May 2016

AbstractPolycrystalline Rb2Mo15Se19 is prepared by solid state reaction of a stoichiometric mixture of Mo, MoSe2, and Rb2Mo6Se6 (Mo crucible, 1300 °C, 40 h).
ChemInform Abstract: Enantioselectivity Switch in Copper‐Catalyzed Conjugate Addition Reactions under the Influence of a Chiral N‐Heterocyclic Carbene—Silver Complex.
Authors: Matsumoto Keitaro , Nakano Yuki , Shibata Naoatsu , Sakaguchi Satoshi 
Published: May 2016

AbstractThe asymmetric 1,4‐addition of diethylzinc to 2‐cycloalken‐1‐ones in presence of a copper catalyst with a chiral ligand affords 3‐ethylcycloalkanones.
ChemInform Abstract: Nazarov Cyclization of 1,4‐Pentadien‐3‐ols: Preparation of Cyclopenta[b]indoles and Spiro[indene‐1,4′‐quinoline]s.
Authors: Wang Zhiming , Xu Xingzhu , Gu Zhanshou , Feng Wei , Qian Houjun , Li Zhengyi , Sun Xiaoqiang , Kwon Ohyun 
Published: May 2016

AbstractNew Lewis acid‐catalyzed cascade reactions based on Nazarov cyclization of pentadienols are developed.
ChemInform Abstract: Catalyst‐Controlled Switch in Chemo‐ and Diastereoselectivities: Annulations of Morita—Baylis—Hillman Carbonates from Isatins.
Authors: Zhan Gu , Shi Ming‐Lin , He Qing , Lin Wei‐Jia , Ouyang Qin , Du Wei , Chen Ying‐Chun 
Published: May 2016

AbstractA catalyst‐controlled switch in chemo‐ and diastereodivergent annulation reactions of Morita—Baylis—Hillman carbonates, derived from isatins and 2‐alkylidene‐1H‐indene‐1,3(2H)‐diones, is presented.
ChemInform Abstract: Carbocyclic Amino Ketones by Bredt′s Rule‐Arrested Kulinkovich—de Meijere Reaction.
Authors: Finn Paul B. , Derstine Brenden P. , Sieburth Scott McN. 
Published: May 2016

AbstractThe direction of the Ti‐mediated intramolecular reaction of amide with alkene depends on the structure of the substrate.
ChemInform Abstract: Asymmetric Synthesis of Cyclopentanes Bearing Four Contiguous Stereocenters via an NHC‐Catalyzed Michael/Michael/Esterification Domino Reaction.
Authors: Shu Tao , Ni Qijian , Song Xiaoxiao , Zhao Kun , Wu Tianyu , Puttreddy Rakesh , Rissanen Kari , Enders Dieter 
Published: May 2016

AbstractIn the described approach two C—C bonds are formed via Michael addition and one C—O bond through a terminating ethanolysis step.
ChemInform Abstract: Cobalt(III)‐Catalyzed Alkenylation of Arenes and 6‐Arylpurines with Terminal Alkynes: Efficient Access to Functional Dyes.
Authors: Wang Shan , Hou Ji‐Ting , Feng Mei‐Lin , Zhang Xiao‐Zhuan , Chen Shan‐Yong , Yu Xiao‐Qi 
Published: May 2016

AbstractInexpensive Co(III)‐catalyzed direct addition of unactivated arenes and 6‐arylpurines to terminal alkynes under mild conditions is developed.
ChemInform Abstract: Photosensitizer‐Free Visible‐Light‐Mediated Gold‐Catalyzed 1,2‐Difunctionalization of Alkynes.
Authors: Huang Long , Rudolph Matthias , Rominger Frank , Hashmi A. Stephen K. 
Published: May 2016

AbstractA variety of α‐aryl ketones are obtained under mild reaction conditions through this gold‐catalyzed process which shows broad functional‐group tolerance.
ChemInform Abstract: Phosphorous Acid Promoted Hydration—Condensation of Aromatic Alkynes with Aldehydes Affording Chalcones in an Oil/Water Two‐Phase System.
Authors: Zhou Yongbo , Li Zhongwen , Yang Xiao , Chen Xiulin , Li Mei , Chen Tieqiao , Yin Shuang‐Feng 
Published: May 2016

AbstractThe reaction proceeds stereoselectively affording only the E isomers with terminal arylacetylenes.
ChemInform Abstract: Synthesis and Photophysical Properties of Tetra and Pentaarylated Fluorobenzenes.
Authors: Maalik Aneela , Sharif Muhammad , Abbas Naeem , Spannenberg Anke , Villinger Alexander , Langer Peter 
Published: May 2016

AbstractThe palladium‐catalyzed exhaustive Suzuki‐Miyaura cross‐coupling reaction gives access to various multiarylated fluorobenzenes with interesting optical properties.
ChemInform Abstract: A General Protocol for the Efficient Synthesis of Polyarylated Benzenes by Multiple Suzuki‐Miyaura Reactions of Polychlorinated Benzenes.
Authors: Reimann Sebastian , Ehlers Peter , Sharif Muhammad , Spannenberg Anke , Langer Peter 
Published: May 2016

AbstractA highly efficient and simple protocol for the synthesis of multiarylated benzenes by palladium‐catalyzed Suzuki‐Miyaura reaction of chlorobenzenes is presented.
ChemInform Abstract: A Convenient Synthesis of Spiro[isoxazole‐pyrazoloquinoline] Derivatives under Catalyst‐Free Conditions.
Authors: Feng Bin‐Bin , Xu Jing , Zhang Mei‐Mei , Wang Xiang‐Shan 
Published: May 2016

AbstractThe operationally simple procedure is based on the three‐component reaction between 1H‐indazol‐6‐amines, 3‐arylisoxazol‐5(4H)ones, and aryl aldehydes, and depending on the electronic properties of the aryl aldehyde used, two types of pyrazoloquinoline derivatives are obtained selectively.
ChemInform Abstract: A Neber Approach for the Synthesis of Spiro‐Fused 2H‐Azirine‐Pyrazolone.
Authors: Yue Deng‐Feng , Zhao Jian‐Qiang , Wang Zhen‐Hua , Zhang Xiao‐Mei , Xu Xiao‐Ying , Yuan Wei‐Cheng 
Published: May 2016

AbstractA base‐mediated Neber reaction of enaminopyrazolones (I) and tosyl chloride affording title compounds (II) is reported.
ChemInform Abstract: A New Vinyl Selenone‐Based Domino Approach to Spirocyclopropyl Oxindoles Endowed with anti‐HIV RT Activity.
Authors: Palomba M. , Rossi L. , Sancineto L. , Tramontano E. , Corona A. , Bagnoli L. , Santi C. , Pannecouque C. , Tabarrini O. , Marini F. 
Published: May 2016

AbstractTitle compounds such as (III), (V), and (VII)/(VIII) are prepared by a domino Michael/intramolecular nucleophilic substitution pathway with vinyl selenones (II), (IV), (VI), and enolizable oxindoles (I).
ChemInform Abstract: Boronic Acid‐Catalyzed, Highly Enantioselective Aza‐Michael Additions of Hydroxamic Acid to Quinone Imine Ketals.
Authors: Hashimoto Takuya , Galvez Alberto Osuna , Maruoka Keiji 
Published: May 2016

AbstractThe enantioselective aza‐Michael addition of hydroxamic acid (II) to quinone imine ketals (X) leads to a mixture of isomeric N,O‐acetals (XI) and (XII), which are converted into diamine (XIII) with NaBH3CN.
ChemInform Abstract: N‐Heterocyclic Carbene‐Catalyzed Vinylogous Mukaiyama Aldol Reaction of α‐Keto Esters and α‐Trifluoromethyl Ketones.
Authors: Wang Ying , Xing Fen , Xue Mei , Du Guang‐Fen , Guo Xu‐Hong , Huang Kuo‐Wei , Dai Bin 
Published: May 2016

AbstractThe novel transition metal‐free protocol offers an efficient access to γ‐substituted butenolides which may often be isolated as single anti‐diastereomers.
ChemInform Abstract: Synthesis of 3‐Aminooxindoles via Acid‐Promoted Cyclization of α‐Imino‐N‐arylamides and α‐Azido‐N‐arylamides.
Authors: Li Dianjun , Ma Haichao , Yu Wei 
Published: May 2016

Abstractα‐Imino‐N‐arylamides [e.g. (I)] undergoes Friedel—Crafts cyclization to give 3‐aminooxindoles [e.g. (II)] in high yields and the products can also be obtained from α‐bromo‐N‐arylamides [e.g. (X)] in a one‐pot fashion.
ChemInform Abstract: Highly Enantioselective Michael Addition of Malononitrile to α,β‐Unsaturated Pyrazolamides Catalyzed by a Bifunctional Thiourea.
Authors: Zheng Yuanqin , Yao Yongqi , Ye Ling , Shi Zhichuan , Li Xuefeng , Zhao Zhigang , Li Xinying 
Published: May 2016

AbstractThe Michael addition of malononitrile (II) to α,β‐unsaturated pyrazolamides [(I), (IV), (VI), or (VIII), resp.] is accomplished by the use of bifunctional thioureas as catalysts.
ChemInform Abstract: A New Synthetic Approach to the Imidazo[1,5‐a]imidazole‐2‐one Scaffold and Effective Functionalization Through Suzuki—Miyaura Cross Coupling Reactions.
Authors: Loubidi M. , Pillard C. , El Hakmaoui A. , Bernard P. , Akssira M. , Guillaumet G. 
Published: May 2016

AbstractA wide range of 7‐substituted imidazoimidazole derivatives are synthesized.
ChemInform Abstract: DABCO‐Catalyzed Consecutive One Pot Four‐Component Protocol for the Synthesis of a Novel Class of (Z)‐5‐(3‐Hydroxy‐2‐oxoindolin‐3‐yl)‐2‐iminothiazolidin‐4‐ones.
Authors: Bejjam Madhu Babu , Kumar G. Santhosh , Swetha A. , Meshram H. M. 
Published: May 2016

AbstractThe reaction is conducted under metal‐free conditions and gives a wide range of the title compounds by using simple and readily available starting materials.
ChemInform Abstract: Organocatalyzed Enantioselective [3 + 3] Annulation for the Direct Synthesis of Conformationally Constrained Cyclic Tryptophan Derivatives.
Authors: Wu L.‐L. , Zheng Y. , Wang Y.‐M. , Zhou Z.‐H. 
Published: May 2016

Abstract15 Title tryptophan derivatives of type (III) are prepared by an enantioselective [3 + 3] annulation of 1‐methylindoline‐2‐thiones (II) and 4‐arylmethylideneoxazolin‐5(4H)‐ones (I).
ChemInform Abstract: A Novel Convenient Synthesis of Pyridinyl and Quinolinyl Triflates and Tosylates via One‐Pot Diazotization of Aminopyridines and Aminoquinolines in Solution.
Authors: Kassanova Assiya Zh. , Krasnokutskaya Elena A. , Beisembai Perizat S. , Filimonov Victor D. 
Published: May 2016

AbstractIn the case of aminoquinolines only 2‐aminoquinoline gives the 2‐trifyloxy derivative while 3‐ and 6‐aminosubstrates give only the diazonium triflates which can easily be converted into the corresponding iodo compounds, e.
ChemInform Abstract: Copper‐Mediated Trifluoromethylthiolation of Heteroaryl Bromides.
Authors: Zhang Mengjia , Weng Zhiqiang 
Published: May 2016

AbstractA straightforward synthetic method for the synthesis of heteroaryl trifluoromethyl sulfides from readily available, simple starting materials with a broad substrate scope tolerating a wide array of functional groups is presented.