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31条记录   Double Arylation of Diynes and Alkynylation of Functionalized Heteroaryl Halides by a Practical Heck Reaction in an Ionic Liquid [作者：SALEH SAMER; PICQUET MICHEL; MEUNIER PHILIPPE; HIERSO JEANCYRILLE,期刊：SYNLETT, 页码：2844-2848 , 文章类型： Article，,卷期：2011年-19] The efficient palladium-catalyzed alkynylation of electron-rich bromoheteroarenes, incorporating deactivating electrondonating methyl and methoxy groups, and the (hetero)arylation of diynes, take place in the imidazolium... C-Quaternary Vinylglycinols by Metal-Catalyzed Cyclization of Allylic Bistrichloroacetimidates [作者：KLIMOVICA KRISTINE; GRIGORJEVA LIENE; MALECKIS ANSIS; POPELIS JURIS; JIRGENSONS AIGARS,期刊：SYNLETT, 页码：2849-2851 , 文章类型： Article，,卷期：2011年-19] Bistrichloroacetimidates derived from 2-substituted but-2-ene-1,4-diols are transformed into 4-substituted 4-vinyloxazolines in high yields and excellent regioselectivities when Lewis acids AlCl(3), FeCl(3), TMSOTf, BF(3... Synthesis of 1,2,3-Trisubstituted Pyrrolidines and 2,3-Disubstituted Tetrahydrofurans via Diastereoselective Reductive Cyclization of gamma-Chloroimines and gamma-Chloroketones [作者：SASTRY MUDIGANTI NAGA VENKATA; MANGELINCKX SVEN; LUCAS BART; DE KIMPE NORBERT,期刊：SYNLETT, 页码：2852-2856 , 文章类型： Article，,卷期：2011年-19] A new diastereoselective synthetic approach towards 1,2,3-trisubstituted pyrrolidines and 2,3-disubstituted tetrahydrofurans is described. The synthesis of the pyrrolidines involves reductive cyclization of gamma-chlorok... Enantioselective Allylation and Crotylation of in situ Generated beta,gamma-Unsaturated Aldehydes [作者：MCCUBBIN J ADAM; MADDESS MATTHEW L; LAUTENS MARK,期刊：SYNLETT, 页码：2857-2861 , 文章类型： Article，,卷期：2011年-19] beta,gamma-Unsaturated aldehydes generated in situ by treatment of 2-vinyloxiranes with a catalytic amount of Sc(OTf)(3) are effectively trapped by ring-strained allyl- and crotylsilane reagents to afford bishomoallylic ... Iron-Catalyzed Reductive Dehydroxylation of Benzylic Alcohols Using Polymethylhydrosiloxane (PMHS) [作者：CHAN LI YAN; LIM JAZREEL SEH KAI; KIM SUNGGAK,期刊：SYNLETT, 页码：2862-2866 , 文章类型： Article，,卷期：2011年-19] The combination of FeCl(3) and PMHS is an efficient reducing system for the selective dehydroxylation of secondary benzylic alcohols, even in the presence of carbonyls, under very mild conditions. A Facile Synthetic Route for the Preparation of 4-Substituted 6-Methyl-2-pyrone Derivatives via Organozinc Reagents [作者：RIEKE REUBEN D; KIM SEUNGHOI,期刊：SYNLETT, 页码：2867-2871 , 文章类型： Article，,卷期：2011年-19] A novel synthetic pathway for the preparation of 4-substituted 2-pyrone derivatives has been developed. It consists of two different methods; the first represents the Negishi coupling reaction utilizing easily accessible... Synthesis of an Advanced Intermediate toward the hNK-1 Antagonist with the Cyclopentane Core [作者：NAKATA KENYA; KIYOTSUKA YOHEI; KITAZUME TOMOYA; KOBAYASHI YUICHI,期刊：SYNLETT, 页码：2872-2874 , 文章类型： Article，,卷期：2011年-19] Allylic substitution of monomethoxyacetate of 4-cyclopentene-1,3-diol (91% ee) with 4-FC(6)H(4)ZnBr (4 equiv) and CuCl (30 mol%) gave anti-S(N)2' product, which upon epoxidation with MCPBA afforded a-epoxide stereoselect... Catalytic Enantioselective Arylation of Aldehydes by Using Functionalized Grignard Reagents Generated from Aryl Bromides [作者：ITAKURA DAISUKE; HARADA TOSHIRO,期刊：SYNLETT, 页码：2875-2879 , 文章类型： Article，,卷期：2011年-19] An efficient catalytic method has been developed for the enantioselective synthesis of functionalized diarylmethanols starting from aryl bromides and aldehydes. In the presence of (R)-3-(3,5-diphenylphenyl)BINOL (2 mol%)... Facile Synthesis of 5-Carboxamide-oxazolines via a Passerini 3CC-Staudinger-aza-Wittig Sequence [作者：WU JING; LIU JIANCHAO; WANG LONG; DING MINGWU,期刊：SYNLETT, 页码：2880-2882 , 文章类型： Article，,卷期：2011年-19] 5-Carboxamide-oxazolines were synthesized via a Passerini 3CC-Staudinger-aza-Wittig sequence in moderate to good yields, starting from easily accessible chloroacetaldehyde, isocyanides, and various acids. A Facile and Efficient Asymmetric Synthesis of Florfenicol [作者：LI FENG; WANG ZHONGHUA; ZHAO LEI; CHEN FENER,期刊：SYNLETT, 页码：2883-2885 , 文章类型： Article，,卷期：2011年-19] A facile and efficient enantioselective synthesis of florfenicol starting from commercially available 4-methylthiobenzaldehyde is described. Key features of the synthesis include a one-step oxidation of allyl and thioeth... Room-Temperature and Metal-Free Synthesis of 1,1-Dithio-1-alkenes from 1,1-Dibromo-1-alkenes and Thiols [作者：JIN HUI; YANG YIWEN; KUANG CHUNXIANG; YANG QING,期刊：SYNLETT, 页码：2886-2890 , 文章类型： Article，,卷期：2011年-19] An efficient metal-free synthesis of 1,1-dithio-1-alkenes from 1,1-dibromo-1-alkenes and thiols using a diazabicycloundecene/dimethyl sulfoxide system was developed. The method was found suitable for various 1,1-dibromo-... Explorations of [4+2] and [5+2] Cycloadditions of Dienylcyclopropane Derived Enzymatically from Cyclopropylbenzene [作者：HUDICKY JASON REED; HOPKINSHILL JOHN; HUDLICKY TOMAS,期刊：SYNLETT, 页码：2891-2895 , 文章类型： Article，,卷期：2011年-19] Fermentation of cyclopropylbenzene with E. coli JM109(pDTG601a) furnished optically pure 1-cyclopropyl-2,3-dihydroxycyclohexa-4,6-diene whose reactivity in [4+2]- and [5+2]-cycloaddition chemistry was explored. Catalytic Oxidative Cleavage of 1,3-Diketones to Carboxylic Acids by Aerobic Photooxidation with Iodine [作者：TADA NORIHIRO; SHOMURA MOTOKI; CUI LEI; NOBUTA TOMOYA; MIURA TSUYOSHI; ITOH AKICHIKA,期刊：SYNLETT, 页码：2896-2900 , 文章类型： Article，,卷期：2011年-19] We report the catalytic oxidative cleavage of 1,3-diketones to the corresponding carboxylic acids by aerobic photooxidation with iodine under irradiation with a high-pressure mercury lamp. Potassium tert-Butoxide [作者：WANG YONG,期刊：SYNLETT, 页码：2901-2902 , 文章类型： Editorial Material，,卷期：2011年-19] Hexamethylenetetramine [作者：SINGH BALJINDER,期刊：SYNLETT, 页码：2903-2904 , 文章类型： Editorial Material，,卷期：2011年-19]