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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32条记录   Cyclization of Aminocyclopropanes in Indole Alkaloids Synthesis [作者：DE SIMONE FILIPPO; WASER JEROME,期刊：SYNLETT, 页码：589-593 , 文章类型： Article，,卷期：2011年-5] The regioselective and diastereoselective cyclization of acyliminium intermediates generated from aminocyclopropanes on unprotected indoles is presented. The recent results obtained in our group are compared with previou... Construction of Diverse Ring Systems Based on Allene-Multiple Bond Cycloaddition [作者：INAGAKI FUYUHIKO; KITAGAKI SHINJI; MUKAI CHISATO,期刊：SYNLETT, 页码：594-614 , 文章类型： Article，,卷期：2011年-5] Cycloaddition and cycloisomerization based on the interaction between an allene and another multiple bond, such as an alkyne, alkene, or additional allene, enabled us to build a variety of useful cyclic structures. This ... A Highly Selective Mono-C-allylation of DTPA Pentaethyl Ester [作者：NEMOTO HISAO; YATSUZUKA KENJI; TAMAGAWA SHINYA; HIRAO NAOKO; KAMIYA MASAKI; KAWAMURA TOMOYUKI,期刊：SYNLETT, 页码：615-618 , 文章类型： Article，,卷期：2011年-5] A highly selective mono-C-allylation of pentaethyl diethylenetriaminepentaacetate was achieved with allyl bromide and potassium carbonate via a newly developed elaborate procedure based on Stevens rearrangement. It is co... Reaction between N-Isocyaniminotriphenylphosphorane, Aldimines, Meldrum's Acid and Water: Diastereoselective Synthesis of 3,4-Disubstituted N-Aminopyrrolidine-2,5-diones [作者：ADIB MEHDI; ANSARI SAMIRA; BIJANZADEH HAMID REZA,期刊：SYNLETT, 页码：619-622 , 文章类型： Article，,卷期：2011年-5] A multicomponent synthesis of 3,4-disubstituted N-aminopyrrolidine-2,5-diones is described. A mixture of N-isocyaniminotriphenylphosphorane, an aldimine and Meldrum's acid undergoes an addition reaction under mild condit... Domino Ligand-Free Copper-Catalyzed Synthesis of Polysubstituted Indoles [作者：ALI MD ASHIF; PUNNIYAMURTHY THARMALINGAM,期刊：SYNLETT, 页码：623-626 , 文章类型： Article，,卷期：2011年-5] The synthesis of polysubstituted indoles is described by the domino reaction of 2-haloanilines and 1,3-dicarbonyl compounds, 1,3-diketones, beta-keto esters and beta-keto amides, using copper catalysis under ligand-free ... 1,2-Addition of Phenylacetylene to Aldimines Catalyzed by InCl3/CuCl in Water under Barbier Conditions [作者：PRAJAPATI DIPAK; SARMA RUPAM; BHUYAN DEBAJYOTI; HU WENHAO,期刊：SYNLETT, 页码：627-630 , 文章类型： Article，,卷期：2011年-5] A new and efficient method for the preparation of various propargylamines has been achieved by the simple Barbier-Grignard-type reaction of phenylacetylene with a variety of aldimines under aqueous conditions, catalyzed ... Intramolecular Hydroamination of Conjugated Dienes Catalyzed by Lewis and Bronsted Acids [作者：BAEZA ALEJANDRO; NAJERA CARMEN,期刊：SYNLETT, 页码：631-634 , 文章类型： Article，,卷期：2011年-5] Intramolecular hydroaminations of conjugated acyclic aminodienes catalyzed by Lewis acids such as silver triflate, cationic gold complexes, BINAP-copper(II) triflate, iron trichloride, indium(III) bromide, iodine and by ... Catalytic Synthesis of Coumarins via Direct Annulations of alpha,beta-Unsaturated Aldehydes and Salicylaldehydes [作者：GROSS ULRIKE; GROSS PATRICK J; SHI MIN; BRAESE STEFAN,期刊：SYNLETT, 页码：635-638 , 文章类型： Article，,卷期：2011年-5] The first organocatalytic approach towards substituted coumarins is reported. Catalytic amounts of in situ generated N-heterocyclic carbenes (NHC) catalyze a one-pot redox esterification of alpha,beta-unsaturated aldehyd... A Rapid Assembly of Furo[3,4-b]- and Pyrrolo[3,4-b]carbazolones by Domino Wittig Diels-Alder Reaction [作者：TORNEY PRACHI; PATRE RUPESH; TILVE SANTOSH,期刊：SYNLETT, 页码：639-642 , 文章类型： Article，,卷期：2011年-5] Regioisomeric hexahydrofuro[3,4-b]carbazol-1-ones, hexahydropyrrolo[3,4-b] carbazol-1-ones, hexahydrofuro[3,4-b]carbazol-3-ones and hexahydropyrrolo[3,4-b] carbazol-3-ones were synthesized in 59% to 62% yields by domino ... Synthesis of Isoindole Derivatives by Palladium-Catalyzed Domino Reaction of (2-Alkynyl)phenylketone O-Pentafluorobenzoyloximes [作者：KITAMURA MITSURU; MORIYASU YOHEI; OKAUCHI TATSUO,期刊：SYNLETT, 页码：643-646 , 文章类型： Article，,卷期：2011年-5] Isoindole derivatives were synthesized by the palladium-catalyzed cyclization of (2-alkynyl)phenylketone O-pentafluorobenzoyloximes in the presence of organometallic compounds such as sodium formate and aryl boronic acid... Synthetic Study on Sespendole, an Indole Sesquiterpene Alkaloid: Stereocontrolled Synthesis of the Sesquiterpene Segment Bearing All Requisite Stereogenic Centers [作者：SUGINO KUMI; NAKAZAKI ATSUO; ISOBE MINORU; NISHIKAWA TOSHIO,期刊：SYNLETT, 页码：647-650 , 文章类型： Article，,卷期：2011年-5] Stereocontrolled synthesis of a sesquiterpene segment with all requisite stereogenic centers for sespendole has been achieved. Synthetic features of our strategy involve (1) highly stereoselective [2,3]-Wittig rearrangem... Bromocyclization of Alkynyl Guanidine: A New Approach to the Synthesis of Cyclic Guanidines of Saxitoxin [作者：SAWAYAMA YUSUKE; NISHIKAWA TOSHIO,期刊：SYNLETT, 页码：651-654 , 文章类型： Article，,卷期：2011年-5] Bromocyclization of propargyl and homopropargyl guanidines possessing homopropargyl alcohol provides five- and six-membered cyclic guanidines with spiro-hemiaminal, respectively, a candidate of precursors for saxitoxin. Rhodium-Catalyzed Carbene-Transfer Reactions via Thienylcarbene Complexes Generated from Thiocarbamoyl-ene-yne Compounds [作者：TSUNEISHI ASUKA; OKAMOTO KAZUHIRO; IKEDA YUJI; MURAI MASAHITO; MIKI KOJI; OHE KOUICHI,期刊：SYNLETT, 页码：655-658 , 文章类型： Article，,卷期：2011年-5] Catalytic thienylcarbene-transfer reactions have been developed. The rhodium-catalyzed reaction of alkenes, furans, and thiophenes with a thiocarbamoyl-ene-yne compound as a carbene source gave the cyclopropanation produ... Rasta Resin-DMAP and its Use as a Recyclable Catalyst for the Addition of Carbon Dioxide to Epoxides [作者：LU JINNI; TOY PATRICK H,期刊：SYNLETT, 页码：659-662 , 文章类型： Article，,卷期：2011年-5] Rasta resin-DMAP, a new heterogeneous polystyrene-based amine, has been synthesized and used as a catalyst in addition reactions of carbon dioxide to epoxides to afford cyclic carbonate products. This new material was fo... Synthesis of (+/-)-trans-Indolizidine-8-carboxylic Acid [作者：CHIOU WENHUA; LIN YIHUEI; GAO YUKAI,期刊：SYNLETT, 页码：663-664 , 文章类型： Article，,卷期：2011年-5] A facile synthesis of a novel amino acid, trans-indolizidine-8-carboxylic acid, is described. Nucleophilic Substitution of Secondary Alkyl-Substituted Propargyl Acetates: An Economic and Practical Indium Trichloride Catalyzed Access [作者：LIN MIN; HAO LU; LIU XIAOTAO; CHEN QINGZHEN; WU FENG; YAN PING; XU SUXIA; CHEN XINLIANG; WEN JIAJIE; ZHAN ZHUANGPING,期刊：SYNLETT, 页码：665-670 , 文章类型： Article，,卷期：2011年-5] An economic and practical transformation from secondary alkyl-substituted propargyl acetates to a variety of nucleophilic substitution products was described. This reaction was catalyzed by inexpensive InCl3. High yields...