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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37条记录   Rhodium-Catalyzed Cross-Coupling of Arylboronic Acids Using Vinyl Acetate as the Electrophilic Partner [作者：LEE HANG WAI; KWONG FUK YEE,期刊：SYNLETT, 页码：3151-3154 , 文章类型： Article，,卷期：2009年-19] The first Suzuki-type cross-coupling between arylboronic acids and vinyl acetate is disclosed. The acetoxy moiety as the leaving group is realized ill the coupling process. Rhodium complexes were found to be highly effec... Novel Syntheses of N-Aryloxazolidin-2-ones via Tandem Reactions of Vinyl Sulfonium Salts [作者：XIE CHUNSONG; HAN DEYU; LIU JINHUA; XIE TIAN,期刊：SYNLETT, 页码：3155-3158 , 文章类型： Article，,卷期：2009年-19] An unprecedented and efficient domino reaction of diphenyl vinyl sulfonium salt with carbamates leading to the syntheses of N-aryloxazolidin-2-ones has been developed. The scope of this transformation has been studied an... A Concise Asymmetric Route to Chiral alpha-Aminoxy Acids [作者：CHANG XIAOWEI; ZHANG DANWEI; CHEN FEI; DONG ZEMIN; YANG DAN,期刊：SYNLETT, 页码：3159-3162 , 文章类型： Article，,卷期：2009年-19] An efficient three-step method has been developed for enantioselective synthesis of chiral alpha-aminoxy acids from aldehydes. In this method, chiral propargylic alcohols are obtained by asymmetric addition of terminal a... The Use of Calcium Carbide in the Synthesis of 1-Monosubstituted Aryl 1,2,3-Triazole via Click Chemistry [作者：JIANG YUBO; KUANG CHUNXIANG; YANG QING,期刊：SYNLETT, 页码：3163-3166 , 文章类型： Article，,卷期：2009年-19] The synthesis of 1-monosubstituted aryl 1,2,3-triazoles was achieved using calcium carbide as a source of acetylene. The copper-catalyzed 1,3-dipolar cycloaddition reactions were carried out without nitrogen protection a... Design and Synthesis of Chiral Imidazolidine-Pyridine Ligands [作者：ARAI TAKAYOSHI; SUZUKI KUNIKO,期刊：SYNLETT, 页码：3167-3170 , 文章类型： Article，,卷期：2009年-19] Condensation of chiral diamines and aldehydes gave a series of chiral imidazolidine-pyridine compounds with high diastereoselectivities. The ability of these compounds to act as chiral ligands was examined in the catalyt... One-Pot, Three-Component Synthesis of Chiral 4-Alkylidene-2-oxazolidinones [作者：KOJIMA NAOTO; NISHIJIMA SHOGO; TANAKA TETSUAKI,期刊：SYNLETT, 页码：3171-3174 , 文章类型： Article，,卷期：2009年-19] A one-pot convenient access to chiral 2-oxazolidinones is described. Diethylzinc-mediated asymmetric alkynylation of aldehydes with propiolates in the presence of beta-sulfonamide alcohol as the chiral ligand, followed b... Organocatalytic Asymmetric Triple Domino Reactions of Nitromethane with alpha,beta-Unsaturated Aldehydes [作者：ENDERS DIETER; JEANTY MATTHIEU; BATS JAN W,期刊：SYNLETT, 页码：3175-3178 , 文章类型： Article，,卷期：2009年-19] An organocatalytic asymmetric multicomponent domino reaction employing the bulk chemical nitromethane and alpha,beta-unsaturated aldehydes as substrates is described. The new triple cascade reaction based on two subseque... Total Synthesis of (+)-Cardiobutanolide through a Carbohydrate-Based Approach [作者：YADAV J S; MADHAVARAO B; RAO K SANJEEVA,期刊：SYNLETT, 页码：3179-3181 , 文章类型： Article，,卷期：2009年-19] The naturally occurring styryllactone (+)-cardiobutanolide has been synthesized in a highly efficient manner using D-glucono-delta-lactone, as a chiral pool starting material. The synthesis involves the stereoselective a... Ring Expansion of 2-Alkenyl Azetidines into Unsaturated Azocanes [作者：DROUILLAT BRUNO; COUTY FRANCOIS; RAZAFIMAHALEO VANESSA,期刊：SYNLETT, 页码：3182-3186 , 文章类型： Article，,卷期：2009年-19] Enantiomerically pure 2-alkenyl azetidines undergo a ring-expansion into N-alkyl-1,2,3,6-azocines upon reaction with activated alkynes (ethyl propiolate or ethynyl p-tolyl sulfone). The scope of this ring enlargement, wh... Functionalization of Highly Oxygenated Xanthones: Unexpected Stereochemistry and Rearrangements [作者：SAHIN HUELYA; NIEGER MARTIN; NISING CARL F; BRAESE STEFAN,期刊：SYNLETT, 页码：3187-3191 , 文章类型： Article，,卷期：2009年-19] Xanthenones were oxidized and explored in terms of stability. Revision and confirmation of stereochemical outcomes have been made. Wagner-Meerwein-type rearrangement of an epoxy-ketone furnished a structurally unusual an... Cobalt-Catalyzed Arylation or Benzylation of 2-Chloro-4,6-dimethoxy-1,3,5-triazine [作者：BEGOUIN JEANNE MARIE; CLAUDEL STEPHANIE; GOSMINI CORINNE,期刊：SYNLETT, 页码：3192-3194 , 文章类型： Article，,卷期：2009年-19] A variety of functionalized aryl bromides or benzyl chlorides were coupled with 2-chloro-4.6-dimethoxy-1,3,5-trazine in good yields by a one-step procedure via cobalt catalysis. Enantioselective Organocatalytic Conjugate Addition of Aromatic Ketones to Nitrodienes [作者：HE TIANXIONG; QIAN JINGYING; SONG HONGLIANG; WU XINYAN,期刊：SYNLETT, 页码：3195-3197 , 文章类型： Article，,卷期：2009年-19] The organocatalytic asymmetric nitro-Michael addition of aromatic ketones to nitrodiene using various chiral primary amine thioureas was described. In the presence of 30 mol% of N-[(1R,2R)-2-amino-1,2-diphenylethyl]-N'-b... The Use of Hydroxylamine Hydrochloride in the Chan-Lam Reaction: A Simple Access to Symmetric Diarylamines [作者：ZHOU CHANGFENG; YANG DONGPENG; JIA XIAOFEI; ZHANG LIXUE; CHENG JIANG,期刊：SYNLETT, 页码：3198-3200 , 文章类型： Article，,卷期：2009年-19] A CuBr-catalyzed coupling reaction of hydroxylamine hydrochloride and arylboronic acids is described, providing a simple and efficient methodology for the synthesis of symmetric diaryl amines. The reaction shows good fun... Base-Catalyzed Conjugate Addition of Thiols to Indolyl Acrylic Acids and in situ Decarboxylation: An Expedient Synthesis of Functionalized 3-(1-Thio)ethyl-1H-indoles [作者：GAO SHIJAY; TSENG CHI; RAJU B RAMA; TSAI CHEN HSUAN; YAO CHINGFA,期刊：SYNLETT, 页码：3201-3205 , 文章类型： Article，,卷期：2009年-19] A one-pot, two-step method for the synthesis of 3-(1-thio)ethyl-1H-indoles is described herein. This simple procedure involves the Michael addition of thiols to 3-indoleacrylic acids followed by in situ decarboxylation o... Regiospecific Syntheses of 3-Aza-alpha-carbolines via Inverse Electron-Demand Diels-Alder Reactions of 2-Aminoindoles with 1,3,5-Triazines [作者：XU GUOXING; ZHENG LIANYOU; WANG SHIXUE; DANG QUN; BAI XU,期刊：SYNLETT, 页码：3206-3210 , 文章类型： Article，,卷期：2009年-19] The scope of 1,3,5-triazine inverse electron-demand Diels-Alder (IDA) reactions was expanded to include 2-aminoindoles as productive dienophiles leading to various 3-aza-alpha-carbolines in excellent yields. Furthermore.... Silver-Catalyzed Intermolecular Hydroamination of Alkenes and 1,3-Dienes [作者：GINER XAVIER; NAJERA CARMEN,期刊：SYNLETT, 页码：3211-3213 , 文章类型： Article，,卷期：2009年-19] Silver triflate is used as efficient catalyst for the intermolecular addition of 4-toluenesulfonamide to alkenes under thermal or microwave heating. The hydroamination of 1,3-dienes can be performed at 85 degrees C with ...