个性化文献订阅>文章检索

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32条记录   Catalytic Synthesis of gamma-Alkoxy-alpha-keto Esters [作者：KREBS ANKE; BOLM CARSTEN,期刊：SYNLETT, 页码：671-673 , 文章类型： Article，,卷期：2011年-5] Copper(II) triflate effectively catalyzes the reaction of (trimethylsilyloxy) acrylic esters and acetals to form gamma-alkoxy-alpha-keto esters. The reaction proceeds under mild conditions providing products in good to e... Synthesis of 3-Aryl-3-pyrrolines and 3-Arylpyrroles via Spontaneous Rearrangement of N-Sulfinyl 2-Aryl-2-vinylaziridines [作者：LEEMANS ERIKA; COLPAERT FILIP; MANGELINCKX SVEN; DE BRABANDERE STIJN; DENOLF BRAM; DE KIMPE NORBERT,期刊：SYNLETT, 页码：674-678 , 文章类型： Article，,卷期：2011年-5] Addition of vinylmagnesium bromide across chiral alpha-chloro N-tert-butanesulfinyl ketimines afforded 3-aryl-1-(tert-butanesulfinyl)-3-pyrrolines in high yield (65-91%) after purification by means of recrystallization f... [Me2C(C5H4)(2)TiMe2]: An Open-Bent Titanocene Catalyst for the Hydrosilylation of Bulky 1,3-Dienes [作者：POP ROXANA; CUI JIN LAN; ADRIAENSSENS LOUIS; COMTE VIRGINIE; LE GENDRE PIERRE,期刊：SYNLETT, 页码：679-683 , 文章类型： Article，,卷期：2011年-5] Motivated by our preliminary results on Cp2TiF2-catalysed 1,4-hydrosilylation of monosubstituted dienes, we assessed the performance of several titanium complexes for the hydrosilylation of 2,3-dimethylbutadiene, a repre... Synthesis of 2,2-Disubstituted Azaindolines by Intramolecular Cyclization in Acidic Media [作者：METRO THOMASXAVIER; FAYET CHRISTINE; ARNAUD FLORIAN; RAMEIX NATHALIE; FRAISSE PIERRE; JANODY SIMON; SEVRIN MIREILLE; GEORGE PASCAL; VOGEL RACHEL,期刊：SYNLETT, 页码：684-688 , 文章类型： Article，,卷期：2011年-5] The synthesis of a diverse array of 2,2-disubstituted azaindolines is reported. The bicyclic core is built by a simple acidic treatment of conveniently substituted aminopyridines. An Approach to Highly Functionalized Quinolines and Isoquinolines via a Gold-Catalyzed Benzannulation [作者：PANDA BISWAJIT; BHADRA JHUMA; SARKAR TARUN K,期刊：SYNLETT, 页码：689-693 , 文章类型： Article，,卷期：2011年-5] The AuCl3-catalyzed benzannulation of pyridine-containing oxo-alkynes with external as well as internal alkynes proceeds under mild conditions, and a variety of quinoline and isoquinoline derivatives are produced in good... Aromatic Electrophilic Substitution vs. Intramolecular Wittig Reaction: Vinyltriphenylphosphonium Salt Mediated Synthesis of 4-Carboxyalkyl-8-formyl Coumarins [作者：MAJUMDAR K C; ANSARY INUL; SAMANTA SRIKANTA; ROY BRINDABAN,期刊：SYNLETT, 页码：694-698 , 文章类型： Article，,卷期：2011年-5] 4-Carboxyalkyl-8-formyl coumarins have been synthesized from 2-hydroxybenzaldehydes via vinyltriphenylphosphonium salt mediated aromatic electrophilic substitution in good yields. The vinyltriphenylphosphonium salt is ge... Synthesis of Oxazolidinone and Tosyl Enamines by Tertiary Amine Catalysis [作者：EDDY NICHOLAS A; MORSE PETER D; MORTON MARTHA D; FENTEANY GABRIEL,期刊：SYNLETT, 页码：699-701 , 文章类型： Article，,卷期：2011年-5] A procedure for the synthesis of oxazolidinone and tosyl enamines is reported. Alkynoyl oxazolidinones and tosyl imides undergo reaction to form enamines in the presence of catalytic amounts of tertiary amines. The data ... Efficient Copper-Catalyzed Sonogashira Couplings of Aryl Halides with Terminal Alkynes in Water [作者：YANG DAOSHAN; LI BING; YANG HAIJUN; FU HUA; HU LIMING,期刊：SYNLETT, 页码：702-706 , 文章类型： Article，,卷期：2011年-5] An efficient copper-catalyzed method has been developed for Sonogashira couplings of aryl halides with terminal alkynes in water. The protocol uses inexpensive CuBr as the catalyst, 1,10-phenanthroline as the ligand, tet... ZnCl2-Catalyzed Intramolecular Cyclization Reaction of 2-Aminochalcones Using Polymer-Supported Selenium Reagent: Synthesis of 2-Phenyl-4-quinolones and 2-Phenyl-2,3-dihydroquinolin-4(1H)-one [作者：TANG E; CHEN BANGZHENG; ZHANG LIANPENG; LI WEN; LIN JUN,期刊：SYNLETT, 页码：707-711 , 文章类型： Article，,卷期：2011年-5] A new and efficient method for the synthesis of 2-phenyl-4-quinolones and 2-phenyl-2,3-dihydroquinolin-4(1H)-ones is described. The reaction involves ZnCl2-mediated polystyrene-supported selenium-induced intramolecular c... The First Organocatalysed Direct Aldol Reaction of 2-Hydroxycyclobutanone [作者：AITKEN DAVID J; CAPITTA FRANCESCA; FRONGIA ANGELO; GORI DIDIER; GUILLOT REGIS; OLLIVIER JEAN; PIRAS PIER PAOLO; SECCI FRANCESCO; SPIGA MARCO,期刊：SYNLETT, 页码：712-716 , 文章类型： Article，,卷期：2011年-5] L-Tryptophan has been shown to catalyse the enantio-selective aldol reaction between 2-hydroxycyclobutanone and an aromatic aldehyde in DMF solution. The reaction is completely regioselective and gives the 2,2-disubstitu... Discovery of an Acid-Promoted [3+2] Cyclodimerization of 3-Vinylindoles and the Development of a General Lewis Acid Catalyzed Process [作者：MCNULTY JAMES; MCLEOD DAVID,期刊：SYNLETT, 页码：717-721 , 文章类型： Article，,卷期：2011年-5] A novel proton-catalyzed [3+2]-type cyclodimerization of 3-vinylindoles is reported leading to fused cyclopenta[b]indoles, contrasting to the normal [4+2]-cycloaddition pathway. The development of a general, high yieldin... Synthetic Studies toward the Total Synthesis of Chlorahololide A [作者：QIAN SHAN; ZHAO GANG,期刊：SYNLETT, 页码：722-724 , 文章类型： Article，,卷期：2011年-5] The highly stereoselective synthesis of core framework 4, a pivotal intermediate for the total synthesis of chlorahololide A, is reported. The approach features t-BuCu-mediated stereoselective reduction of alpha,beta-uns... Chemoenzymatic Synthesis of Idesolide from Benzoic Acid [作者：ADAMS DAVID R; AICHINGER CHRISTIAN; RINNER UWE; HUDLICKY TOMAS,期刊：SYNLETT, 页码：725-729 , 文章类型： Article，,卷期：2011年-5] Idesolide was synthesized in five steps from benzoic acid by base-catalyzed dimerization of hydroxy keto ester, obtained from diol, the product of the whole-cell fermentation of benzoic acid with R. eutrophus B9. Sodium Chlorite [作者：DE FERREIRA MARCELLE LIMA,期刊：SYNLETT, 页码：730-731 , 文章类型： Editorial Material，,卷期：2011年-5] Lithium Bis(trimethylsilyl)amide [作者：LIU YONGHUI,期刊：SYNLETT, 页码：732-733 , 文章类型： Editorial Material，,卷期：2011年-5] Chiral Sodium Phosphate Catalyzed Enantioselective 1,4-Addition of TMSCN to Aromatic Enones (vol 18, pg 2725, 2010) [作者：YANG JINGYA; WU SHAOXIANG; CHEN FUXUE,期刊：SYNLETT, 页码：734-734 , 文章类型： Correction，,卷期：2011年-5]