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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96条记录   Ruthenium-Catalyzed Tertiary Amine Formation from Nitroarenes and Alcohols [作者：FENG CHAO; LIU YONG; PENG SHENGMING; SHUAI QI; DENG GUOJUN; LI CHAOJUN,期刊：Organic Letters, 页码：4888-4891 , 文章类型： Article，,卷期：2010年12-21] A highly selective ruthenium-catalyzed C-N bond formation was developed by using the hydrogen-borrowing strategy. Various tertiary amines were obtained efficiently from nitroarenes and primary alcohols. The reaction tole... Allyl Transfer to Aldehydes and Ketones by Bronsted Acid Activation of Allyl and Crotyl 1,3,2-Dioxazaborolidines [作者：REILLY MAUREEN K; RYCHNOVSKY SCOTT D,期刊：Organic Letters, 页码：4892-4895 , 文章类型： Article，,卷期：2010年12-21] Alkyl dioxazaborolidines are air-stable and often crystalline organoboranes. A variety of Bronsted acids activate allyl dioxazaborolidines to generate reactive allyl-transfer reagents in situ. These reagents add to aldeh... Synthesis of Disubstituted [60]Fullerene-Fused Lactones: Ferric Perchlorate-Promoted Reaction of [60]Fullerene with Malonate Esters [作者：LI FABAO; YOU XUN; WANG GUANWU,期刊：Organic Letters, 页码：4896-4899 , 文章类型： Article，,卷期：2010年12-21] The ferric perchlorate-mediated reaction of [60]fullerene with substituted malonate esters in the presence of acetic anhydride afforded the rare disubstituted [60]fullerene-fused lactones. A possible reaction mechanism i... One-Pot Synthesis of Optically Active Allyl Esters via Lipase-Vanadium Combo Catalysis [作者：AKAI SHUJI; HANADA RYOSUKE; FUJIWARA NOBORU; KITA YASUYUKI; EGI MASAHIRO,期刊：Organic Letters, 页码：4900-4903 , 文章类型： Article，,卷期：2010年12-21] The combination of vanadium-oxo compounds (3 or 4) with a lipase produced the regio- and enantioconvergent transformation of racemic ally! alcohols (1 or 2) into optically active allyl esters. In this system, the vanadiu... Gold-Catalyzed Cascade Cyclization-Oxidative Alkynylation of Allenoates [作者：HOPKINSON MATTHEW N; ROSS JONATHAN E; GIUFFREDI GUY T; GEE ANTONY D; GOUVERNEUR VERONIQUE,期刊：Organic Letters, 页码：4904-4907 , 文章类型： Article，,卷期：2010年12-21] A gold(I)-catalyzed cascade-cyclization oxidative cross-coupling process has been applied to prepare beta-alkynyl-y-butenolides directly from allenoates and various terminal alkynes. Following an initial gold-catalyzed C... Trimethylsilyldiazomethane as a Versatile Stitching Agent for the Introduction of Aziridines into Functionalized Organic Molecules [作者：REN HONG; WULFF WILLIAM D,期刊：Organic Letters, 页码：4908-4911 , 文章类型： Article，,卷期：2010年12-21] A highly enantioselective route for the introduction of aziridines into functionalized organic molecules was developed via a tandem acylation and aziridination of TMSCHN2. Total Synthesis of (-)-Nakadomarin A [作者：NILSON MARK G; FUNK RAYMOND L,期刊：Organic Letters, 页码：4912-4915 , 文章类型： Article，,卷期：2010年12-21] A concise diastereoselective total synthesis of (-)-nakadomarin A has been completed in 21 steps from D-pyroglutamic acid. Key steps include an enecarbamate Michael addition/furan-N-acyliminium ion cascade cyclization to... Horner-Wadsworth-Emmons Reagents as Azomethine Ylide Analogues: Pyrrole Synthesis via (3+2) Cycloaddition [作者：MORIN MARIE S T; STCYR DANIEL J; ARNDTSEN BRUCE A,期刊：Organic Letters, 页码：4916-4919 , 文章类型： Article，,卷期：2010年12-21] Amido-substituted Horner-Wadsworth-Emmons reagents can serve as precursors to 1,3-dipoles for use in cycloaddition. These compounds are assembled in one pot via the TMSOTf-catalyzed Arbuzov reaction of imines, acid chlor... Synthesis and Characterization of Polycarbonyl Compounds via their BF2-Adducts [作者：KERSTEN LAURA; ROESNER STEFAN; HILT GERHARD,期刊：Organic Letters, 页码：4920-4923 , 文章类型： Article，,卷期：2010年12-21] A cobalt-catalyzed 1,4-hydrovinylation reaction is the key step in the synthesis of 1,3-dicarbonyl and higher tri- and tetracarbonyl compounds after ozonolysis of the 1,4-diene intermediates. For the isolation and charac... Regioselective Palladium-Catalyzed Arylation of 4-Chloropyrazoles [作者：MATEOS CARLOS; MENDIOLA JAVIER; CARPINTERO MERCEDES; MIGUEL MINGUEZ JOSE,期刊：Organic Letters, 页码：4924-4927 , 文章类型： Article，,卷期：2010年12-21] A highly regioselective Pd-catalyzed arylation of N-methylpyrazoles with aryl bromides is described. This transformation was studied extensively via automated reaction screening. A Design of Experiments (DoE) approach fo... New Family of Peptidomimetics Based on the Imidazole Motif [作者：PETIT SYLVAIN; FRUIT CORINNE; BISCHOFF LAURENT,期刊：Organic Letters, 页码：4928-4931 , 文章类型： Article，,卷期：2010年12-21] Starting from amino acid esters, new peptidomimetics based on the imidazole scaffold were prepared. An efficient and rapid sequence consisting of two subsequent one-pot procedures was developed and applied to various ami... HKGreen-3: A Rhodol-Based Fluorescent Probe for Peroxynitrite [作者：PENG TAO; YANG DAN,期刊：Organic Letters, 页码：4932-4935 , 文章类型： Article，,卷期：2010年12-21] A novel fluorescent probe, HKGreen-3, for sensing peroxynitrite is designed on the basis of the rhodol scaffold and a peroxynitrite-specific oxidation reaction. The probe turns out to be highly sensitive and selective fo... One-Pot Three-Step Synthesis of 1,2,3-Triazoles by Copper-Catalyzed Cycloaddition of Azides with Alkynes formed by a Sonogashira Cross-Coupling and Desilylation [作者：FRISCOURT FREDERIC; BOONS GEERTJAN,期刊：Organic Letters, 页码：4936-4939 , 文章类型： Article，,卷期：2010年12-21] A microwave-assisted, one-pot, three-step Sonogashira cross-coupling-desilylation-cycloaddition sequence was developed for the convenient preparation of 1,4-disubstituted 1,2,3-triazoles starting from a range of halides,... Asymmetric Total Synthesis of ent-Cyclooroidin [作者：MUKHERJEE SABUJ; SIVAPPA RASAPALLI; YOUSUFUDDIN MUHAMMED; LOVELY CARL J,期刊：Organic Letters, 页码：4940-4943 , 文章类型： Article，,卷期：2010年12-21] An enantiospecific total synthesis of the pyrrole-imidazole natural product cyclooroidin from histidine is described. The key N1-C9 bond is constructed through an intramolecular SN2-type of reaction of a chloro ester. Su... Convergent Synthesis of Geometrically Disassembling Dendrimers using Cu(I)-Catalyzed C-O Bond Formation [作者：POLASKE NATHAN W; SZALAI MICHAEL L; SHANAHAN CHARLES S; MCGRATH DOMINIC V,期刊：Organic Letters, 页码：4944-4947 , 文章类型： Article，,卷期：2010年12-21] The convergent synthesis of geometrically degradable dendrimers based on the 2,4-bis(hydroxymethyl)phenol subunit is presented. The key step of the synthetic scheme involves the CuI/3,4,7,8-tetramethyl-1,10-phenanthrolin... "One-Pot" Access to 4H-Chromenes with Formation of a Chiral Quaternary Stereogenic Center by a Highly Enantioselective Iminium-allenamine Involved Oxa-Michael-Aldol Cascade [作者：LIU CHUNLIANG; ZHANG XINSHUAI; WANG RUI; WANG WEI,期刊：Organic Letters, 页码：4948-4951 , 文章类型： Article，,卷期：2010年12-21] An unprecedented organocatalytic highly enantioselective cascade Michael aldol reaction has been developed in high yields under mild reaction conditions. The "one-pot" process affords an efficient approach to the synthet...