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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共28条记录   Space Integration of Reactions: An Approach to Increase the Capability of Organic Synthesis [作者：YOSHIDA JUNICHI; SAITO KODAI; NOKAMI TOSHIKI; NAGAKI AIICHIRO,期刊：SYNLETT, 页码：1189-1194 , 文章类型： Article，,卷期：2011年-9] This article provides a brief outline of the concept of reaction integration in flow systems and some examples. The use of flow microreactors enables space integration of multiple reactions, especially those involving hi... Development of New N,N-Ligands for the Enantioselective Copper(II)-Catalyzed Henry Reaction [作者：BLAY GONZALO; HERNANDEZOLMOS VICTOR; PEDRO JOSE R,期刊：SYNLETT, 页码：1195-1211 , 文章类型： Article，,卷期：2011年-9] This account shows our efforts towards the development of new N,N-ligands and their application in the asymmetric Henry reaction. Iminopyridine ligands were prepared by the condensation of chiral monoterpene ketones and ... Stereoselective Synthesis of 2-Thio-3-Chloroacrylamides and Investigation of their Reactivity [作者：KISSANE MARIE; MAGUIRE ANITA R,期刊：SYNLETT, 页码：1212-1232 , 文章类型： Article，,卷期：2011年-9] The stereoselective transformation of 2-thioamides to 2-thio-3-chloroacrylamides and the investigation of the scope of this transformation, including extension to ester and nitrile derivatives, is described. These highly... Enantioselective Bronsted Acid Catalysis in the Friedel-Crafts Reaction of Indoles with Secondary ortho-Hydroxybenzylic Alcohols [作者：WILCKE DAVID; HERDTWECK EBERHARDT; BACH THORSTEN,期刊：SYNLETT, 页码：1235-1238 , 文章类型： Article，,卷期：2011年-9] The reaction of indole and various methyl-substituted indoles with the title compounds was studied in the presence of chiral phosphoric acids, which act as Bronsted acid catalysts. While yields were generally high (>90%)... Enantioselective Synthesis of Tetrahydropyrano[3,4-b]indoles Catalyzed by Chiral N-Triflyl Phosphoramide via Intramolecular Friedel-Crafts Alkylation Reaction [作者：ZHANG JUNWEI; CAI QUAN; SHI XIAOXIN; ZHANG WEI; YOU SHULI,期刊：SYNLETT, 页码：1239-1242 , 文章类型： Article，,卷期：2011年-9] A highly efficient intramolecular enantioselective Friedel-Crafts alkylation reaction of indolyl enones utilizing chiral N-triflyl phosphoramide catalyst is described. Various tetrahydropyrano[3,4-b]indoles (THPI) have b... Enantioselective Synthesis of Quinolizidines and Indolizidines via a Catalytic Asymmetric Hydrogenation Cascade [作者：RUEPING MAGNUS; HUBENER LUKAS,期刊：SYNLETT, 页码：1243-1246 , 文章类型： Article，,卷期：2011年-9] A catalytic enantioselective synthesis of a new class of quinolizidines and indolizidines is presented. An asymmetric Bronsted acid catalyzed hydrogenation cascade as well as a sequential Bronsted acid/metal catalyzed hy... Enantioselective Friedel-Crafts Aminoalkylation Catalyzed by Chiral Ammonium 1,1 '-Binaphthyl-2,2 '-disulfonates [作者：HATANO MANABU; SUGIURA YOSHIHIRO; AKAKURA MATSUJIRO; ISHIHARA KAZUAKI,期刊：SYNLETT, 页码：1247-1250 , 文章类型： Article，,卷期：2011年-9] A catalytic enantioselective Friedel-Crafts aminoalkylation between aromatic aldimines and N-benzylpyrrole with the use of a homogeneous chiral ammonium salt, (R)-BINSA-N,N-dimethylbutylamine, as a dynamic Bronsted acid-... Bronsted Acid Catalyzed Reductive Amination with Benzothiazoline as a Highly Efficient Hydrogen Donor [作者：ZHU CHEN; AKIYAMA TAKAHIKO,期刊：SYNLETT, 页码：1251-1254 , 文章类型： Article，,卷期：2011年-9] Reductive amination of aldehyde and amine proceeded smoothly in the presence of benzothiazoline as efficient hydrogen source by means of 20 mol% trifluoroacetic acid to give the corresponding amines in excellent yields. ... Metal-Free Chiral Phosphoric Acid or Chiral Metal Phosphate as Active Catalyst in the Activation of N-Acyl Aldimines [作者：TERADA MASAHIRO; KANOMATA KYOHEI,期刊：SYNLETT, 页码：1255-1258 , 文章类型： Article，,卷期：2011年-9] Whether metal-free chiral phosphoric acid or chiral metal phosphate functions as an active catalyst was confirmed in three reactions. In the aza-Friedel-Crafts and aza-ene-type reactions, a metal-free chiral phosphoric a... Intramolecular Nitroalkene Diels-Alder Reaction Catalyzed by Bronsted Acids [作者：AGUADO ANDREINA; TAKENAKA NORITO,期刊：SYNLETT, 页码：1259-1261 , 文章类型： Article，,卷期：2011年-9] Bronsted acid catalysis of intramolecular Diels-Alder cyclizations of (E)-1-nitro-1,6,8-nonatrienes and (E)-1-nitro-1,7,9-decatrienes was investigated. Catalyzed reactions showed significantly higher endo selectivities t... Enantioselective Synthesis of 2-Aryl-3-nitro-2H-chromenes Catalyzed by a Bifunctional Thiourea [作者：ZHANG ZHIGUO; JAKAB GERGELY; SCHREINER PETER R,期刊：SYNLETT, 页码：1262-1264 , 文章类型： Article，,卷期：2011年-9] A bifunctional thiourea-catalyzed tandem approach of oxa-Michael-aza-Henry-desulfonamidation was used to synthesize chiral 2-aryl-3-nitro-2H-chromenes. This method provides direct access to the corresponding products in ... Enantioselective Aza-Michael Addition to Conjugated Nitroenynes Catalyzed by Chiral Arylaminophosphonium Barfates [作者：URAGUCHI DAISUKE; KINOSHITA NATSUKO; KIZU TOMOHITO; OOI TAKASHI,期刊：SYNLETT, 页码：1265-1267 , 文章类型： Article，,卷期：2011年-9] Enantioselective aza-Michael addition to conjugated nitroenynes has been developed. P-Spiro heterochiral arylaminophosphonium barfate 1b.BArF effectively catalyzes the reaction, and the corresponding conjugate adducts, b... Nano Copper Oxide Catalyzed Synthesis of Symmetrical Diaryl Selenides via Cascade Reaction of KSeCN with Aryl Halides [作者：REDDY K HARSHA VARDHAN; REDDY V PRAKASH; MADHAV B; SHANKAR J; NAGESWAR Y V D,期刊：SYNLETT, 页码：1268-1272 , 文章类型： Article，,卷期：2011年-9] An unprecedented transfer of selenium ion from potassium selenocyanate was observed in C-Se cross-coupling reaction catalyzed by copper oxide nanoparticles under ligand-free conditions. Utilizing this protocol wide range... Perhydroazulenes - A New Class of Liquid Crystalline Materials [作者：HOPF HENNING; HUSSAIN ZAKIR; MENON RAJEEV S; RAEV VITALY; JONES PETER G; POHL LUDWIG M,期刊：SYNLETT, 页码：1273-1276 , 文章类型： Article，,卷期：2011年-9] A new class of mesogenic compounds, the perhydroazulenes, carrying substituents in their para positions (HAZ derivatives), has been synthesized. The new liquid crystalline materials display a broad enantiotropic nemantic... Hydrazone-Promoted Sonogashira Coupling Reaction with Aryl Bromides at Low Palladium Loadings [作者：MINO TAKASHI; SUZUKI SAORI; HIRAI KIMINORI; SAKAMOTO MASAMI; FUJITA TSUTOMU,期刊：SYNLETT, 页码：1277-1280 , 文章类型： Article，,卷期：2011年-9] The Sonogashira coupling reaction of aryl bromides with a variety of terminal alkynes in DMSO at 125 degrees C gave internal arylated alkynes using low-loaded Pd(acac)(2) with hydrazone as a ligand and CuI as the co-cata... Facile Synthesis of Sulfonyl Amidines and beta-Amino Sulfonyl Enamines under Transition-Metal-Free Conditions [作者：GAO TINGTING; ZHAO MINGMING; MENG XU; LI CHUANBIN; CHEN BAOHUA,期刊：SYNLETT, 页码：1281-1284 , 文章类型： Article，,卷期：2011年-9] Treatment of enamine and azide resulted in the formation of either sulfonyl amidine or beta-amino sulfonyl enamine derivative in moderate to good yields. The reaction could proceed under catalyst-free conditions.