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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31条记录   Exploration of Versatile Geminal Bis(silane) Chemistry [作者：GAO LU; ZHANG YUEBAO; SONG ZHENLEI,期刊：SYNLETT, 页码：139-144 , 文章类型： Article，,卷期：2013年-2] Geminal bis(silyl) compounds, a special type of organosilane, are attractive synthons because of their great potential for bifunctional reactivity. This article outlines our recent efforts to develop a practical method t... Expanding Structural Diversity; Removable and Manipulable Directing Groups for C-H Activation [作者：WANG CHENMING; HUANG YONG,期刊：SYNLETT, 页码：145-149 , 文章类型： Article，,卷期：2013年-2] The need to use a static directing group represents a major limitation for the emerging field of ortho-selective C-H activation and functionalization. Chemistry was recently developed that allowed partial removal or mino... From Commercial Enzymes to Biocatalysts Designed by Protein Engineering [作者：BORNSCHEUER UWE T,期刊：SYNLETT, 页码：150-156 , 文章类型： Article，,卷期：2013年-2] This account provides a personal view on the development of biocatalysis over the last two decades. Examples include the use of commercial enzymes, such as lipases, (recombinant) esterases, transaminases, and Baeyer-Vill... A Concise Total Synthesis of the Purported Structure of Flossonol [作者：GUIGNARD RAPHAEL F,期刊：SYNLETT, 页码：157-160 , 文章类型： Article，,卷期：2013年-2] We report the first total synthesis of flossonol in only five steps and of one of its isomers in seven steps using a radical addition/cyclization sequence as the key step. Comparison of our spectroscopic data with those ... Copper-Catalyzed Tandem Synthesis of Highly Functionalized Bisamidines [作者：YAVARI ISSA; NEMATPOUR MANIJEH; SODAGAR ESMAT,期刊：SYNLETT, 页码：161-164 , 文章类型： Article，,卷期：2013年-2] The synthesis of a novel class of bisamidines via a copper-catalyzed tandem reaction of trichloroacetonitrile, primary amines, sulfonyl azides, and terminal alkynes is described. Copper-Catalyzed Tandem Synthesis of Tetrasubstituted Pyrimidines from Alkynes, Sulfonyl Azides, Trichloroacetonitrile, and Tetramethylguanidine [作者：YAVARI ISSA; NEMATPOUR MANIJEH,期刊：SYNLETT, 页码：165-168 , 文章类型： Article，,卷期：2013年-2] The synthesis of a novel class of pyrimidine derivatives via a copper-catalyzed tandem reaction of trichloroacetonitrile, 1,1,3,3-tetramethylguanidine, sulfonyl azides, and terminal alkynes is described. Enantioselective Synthesis of a (1R,5R,9R)-2-Azabicyclo[3.3.1]nonane-9-carboxylic Acid with an Embedded Morphan Motif: A Multipurpose Product [作者：GARRIDO NARCISO M; NIETO CARLOS T; DIEZ DAVID,期刊：SYNLETT, 页码：169-172 , 文章类型： Article，,卷期：2013年-2] A convenient asymmetric synthesis of (1R,5R,9R)-2-azabicyclo[3.3.1]nonane-9-carboxylic acid is described, starting from (2E,7E)-dimethyl nonadienedioate. The route involves a stereoselective domino Michael-Dieckman proce... Synthesis of 1,2,4-Trioxepanes and 1,2,4-Trioxanes via H2O2-Mediated Reaction of Tertiary Carbinols [作者：RAVI MAKTHALA; ANAND DEVIREDDY; MAURYA RANJANI; CHAUHAN PARUL; NAIKADE NIRAJ K; SHUKLA SANJEEV K; YADAV PREM P,期刊：SYNLETT, 页码：173-176 , 文章类型： Article，,卷期：2013年-2] A facile and efficient method for the synthesis of 1,2,4-trioxepanes and 1,2,4-trioxanes from different carbinols having cyclopropyl and phenyl substituents has been developed. The corresponding hydroxyhydroperoxides wer... New Thiochromans via Reductive Cyclization of Thiophenol Derivatives [作者：NIERMANN ANDRE; GROESSEL JANINE E; REISSIG HANSULRICH,期刊：SYNLETT, 页码：177-180 , 文章类型： Article，,卷期：2013年-2] Reductive cyclization of sulfur-containing substrates 1 and 5 with samarium diiodide afforded the corresponding thiochroman derivatives with excellent diastereoselectivities. Cyclization of 1 is facilitated by geminal di... Stereoselective Synthesis of Carbohydrate-Derived N-Sulfonyl Aziridines [作者：RODRIGUEZSOLLA HUMBERTO; CONCELLON CARMEN; ALVAREDO NOEMI; LLAVONA RICARDO; GARCIAGRANDA SANTIAGO; ROSARIO DIAZ M; SOENGAS RAQUEL G,期刊：SYNLETT, 页码：181-184 , 文章类型： Article，,卷期：2013年-2] A novel reaction of iodomethyllithium with a variety of sugar-derived N-sulfinyl imines, under very mild conditions, is described. N-Sulfonyl aziridines were easily obtained in high yields and in moderate to good stereos... Application of a Dual Fries-Claisen Protocol to Access Pyranonaphthoquinone Natural Products [作者：DUFFY LIAM J; GARCIATORRES JASON; JONES RAYMOND C F; ELSEGOOD MARK R J; ALLIN STEVEN M,期刊：SYNLETT, 页码：185-188 , 文章类型： Article，,卷期：2013年-2] In this paper we describe the application of a recently developed dual Fries-Claisen protocol as a novel synthetic approach to the pyranonaphthoquinone natural products eleutherin and isoeleutherin. Concise Asymmetric Synthesis of (+)-Conocarpan and Obtusafuran [作者：CHEN CHENGYI; WEISEL MARK,期刊：SYNLETT, 页码：189-192 , 文章类型： Article，,卷期：2013年-2] The asymmetric synthesis of three natural products: (+)-conocarpan, both (+)- and (-)-obtusafuran is disclosed. The highlights of the synthesis are the enantioselective hydrogenation of prochiral ketones via dynamic kine... Substrate Structural Effects in Yttrium(III)-Catalyzed Hydroamination/Cyclizations of 1,2-Disubstituted and 1,1,2-Trisubstituted Aminoalkenes Terminated by 2-(Phenyl) and 2-(2-Heteroarenyl) Groups [作者：JIANG TAO; HUYNH KHOI; LIVINGHOUSE TOM,期刊：SYNLETT, 页码：193-196 , 文章类型： Article，,卷期：2013年-2] A series of 2-phenyl- and 2-(2-heteroarenyl)-bearing amines possessing 1,2-disubstituted and 1,1,2-trisubststuted alkenes have been evaluated in intramolecular hydroaminations catalyzed by Y[N(TMS)(2)](3) (1(Y)). Aminoal... Amphiphilic Viologen: Electrochemical Generation of Organic Reductant and Pd-Catalyzed Reductive Coupling of Aryl Halides in Water [作者：KUROBOSHI MANABU; YAMAMOTO TAKASHI; TANAKA HIDEO,期刊：SYNLETT, 页码：197-200 , 文章类型： Article，,卷期：2013年-2] Electroreduction of 1,1'-bis(methoxyethoxyethoxyethyl)-4,4'-bipyridinium tosylate generated amphiphilic organic reductants, which promoted the Pd-catalyzed reductive coupling of aryl bromides in water to give the corresp... Versatile Synthesis of Amphiphilic Oligo(Aliphatic-Glycerol) Layer-Block Dendrons with Different Hydrophilic-Lipophilic Balance Values [作者：CHOI LAISHEUNG; CHOW HAKFUN,期刊：SYNLETT, 页码：201-206 , 文章类型： Article，,卷期：2013年-2] A series of amphiphilic oligo(glycerol-aliphatic) layer-blocked dendrons with different hydrophilic-lipophilic balance values (3.5-15.0) was prepared for use in controlled drug delivery and self-assembly studies. The syn... Transformations of 1-(Oxiranylmethyl)-1,2,3-triazoles into 2-(Oxiranyl-methyl)-1,2,3-triazoles and Alkanenitriles [作者：OSAWA AYUMI; MERA AKANE; NAMBA KOSUKE; TANINO KEIJI,期刊：SYNLETT, 页码：207-210 , 文章类型： Article，,卷期：2013年-2] New reactions for the transformation of 1-(oxiranyl-methyl)-1,2,3-triazoles into 2-(oxiranylmethyl)-1,2,3-triazoles or alkanenitriles were established. Successive treatment of the substrate with triflic acid and t-BuOH a...