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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25条记录   Tandem CH-Activation-Imine-Formation Reaction: A New Route to Imidazo[2,1-a]phthalazines [作者：HEIMRIETHER ALEXANDER; GIPSON KEVIN R,期刊：Synthesis, 页码：1715-1719 , 文章类型： Article，,卷期：2009年-10] A general and efficient synthesis of imidazo[2, 1-a]phthalazines by palladium- and copper-mediated Coupling of N-aminoimidazoles with 2-haloaryl alclehydes with concurrent imine formation is described. This new synthesis... A Convenient and Efficient alpha-Sulfenylation of Carbonyl Compounds [作者：OKRAGLA EMILIA; DEMKOWICZ SEBASTIAN; RACHON JANUSZ; WITT DARIUSZ,期刊：Synthesis, 页码：1720-1724 , 文章类型： Article，,卷期：2009年-10] A method for the alpha-sulfenylation of carbonyl Compounds by 5,5-dimethyl-2-thioxo-1,3,2-dioxaphosphorinanane-2-disulfanyl derivatives has been developed. Readily available reagents, mild reaction conditions, and excell... Stereoselective Synthesis of beta-Branched Phenylalanine Derivatives via Chelate-Claisen Rearrangement [作者：QUIRIN CHRISTIAN; KAZMAIER ULI,期刊：Synthesis, 页码：1725-1731 , 文章类型： Article，,卷期：2009年-10] Ester enolate Claisen rearrangement of chelated N-protected chiral amino acid cinnamyl esters results in the formation of substituted phenylalanine derivatives with unsaturated side chains in good yields and with a high ... Catalyst-Free and Base-Free Water-Promoted SNAr Reaction of Heteroaryl Halides with Thiols [作者：SREEDHAR B; REDDY P SURENDRA; REDDY M AMARNATH,期刊：Synthesis, 页码：1732-1738 , 文章类型： Article，,卷期：2009年-10] A simple and efficient route for the synthesis of biaryl sulfides have been developed in aqueous medium under base- and catalyst-free conditions. A wide variety of heteroaryl halides and thiols underwent SNAr reaction to... Convenient Methods for Synthesis of C-2-Symmetric Diphenyltetrahydrothiophenes [作者：PERIASAMY MARIAPPAN; RAMANI GURUBRAHAMAM; MUTHUKUMARAGOPAL GOPAL P,期刊：Synthesis, 页码：1739-1743 , 文章类型： Article，,卷期：2009年-10] Racemic and optically pure (-)-(3R,4R)-3,4-diphenyltetrahydrothiophene, (+)-(2S,5S)-2,5-diphenyltetrahydrothiophene, and (-)-(3S,6,S)-3,6-diphenyl-1,2-dithiane were synthesized by use, in the crucial steps, of the easy-t... Highly Diastereoselective Conjugate Addition-Elimination of Chiral Nickel(II) Glycinate with Activated Allylic Acetates for Asymmetric Synthesis of Glutamic Acid Derivatives [作者：WANG JIANG; SHI JIANMEI; ZHANG XIAODONG; LIN DAIZONG; JIANG HUALIANG; LIU HONG,期刊：Synthesis, 页码：1744-1752 , 文章类型： Article，,卷期：2009年-10] A practically feasible, diastereoselective conjugate addition-elimination reaction of a chiral nickel(II) complex of glycine I with allylic acetates 2 is described. The reaction pathway was successfully controlled, and t... Synthesis of 3,6-Dimethoxybenzene-1,2-diamine and of 4,7-Dimethoxy-2-methyl-1H-benzimidazole [作者：BESSET TATIANA; MORIN CHRISTOPHE,期刊：Synthesis, 页码：1753-1756 , 文章类型： Article，,卷期：2009年-10] Hydrogenation of a mixture of ortho- and para-dinitro derivatives of 1,4-dimethoxybenzene in ethyl acetate under palladium catalysis, allows 3,6-dimethoxybenzene-1,2-diamine to be isolated as the sole product; this diami... An Inexpensive Procedure for Reductive Aminations Using Dimethylamineborane on Millimolar and Molar Scale [作者：ORTMANN REGINA; SCHLITZER MARTIN,期刊：Synthesis, 页码：1757-1759 , 文章类型： Article，,卷期：2009年-10] We have developed an inexpensive and easy procedure for reductive animations using dimethylamineborane instead of cyanoborohydride. Dimethylamineborane is easily prepared from readily available inexpensive starting mater... Organocatalytic Formation of Quaternary Stereocenters [作者：BELLA MARCO; GASPERI TECLA,期刊：Synthesis, 页码：1583-1614 , 文章类型： Review，,卷期：2009年-10] This work reviews the authors' choice of recently published papers where at least one asymmetric quaternary stereocenter has been formed via organocatalysis. The scope and limitations of the reactions are highlighted.