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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37条记录   Isocyanide addition to acylphosphonates: a formal Passerini reaction of acyl chlorides. [作者：Coffinier, Didier;El Kaim, Laurent;Grimaud, Laurence;,期刊：SYNLETT, 页码：1133-1136 , 文章类型： 研究论文，,卷期：2008年-8] Acylphosphonates behave as carbonyl components in Passerini reactions with isocyanides and carboxylic acids. Under sapon., the adducts undergo a phospha-Brook rearrangement to form a-amido phosphonates. As acylphosphon... Synthesis of glycoporphyrins by cross-metathesis reactions. [作者：de C. da Silva, Fernando;Ferreira, Vitor F.;de Souza, Maria C. B. V.;Tome, Augusto C.;Neves, Maria G. P. M. S.;Silva, Artur M. S.;Cavaleiro, Jose A. S.;,期刊：SYNLETT, 页码：1205-1207 , 文章类型： 研究论文，,卷期：2008年-8] An easy synthetic approach to glycoporphyrins from Zn(II)-2-vinyl-5,10,15,20-tetraphenylporphyrin or Zn(II)-protoporphyrin-IX di-Me ester and O-allyl carbohydrate acetonides by cross-metathesis is reported. Efficient synthesis of a- and b-2'-deoxy-heteroaryl-C-nucleosides. [作者：Spadafora, Marie;Burger, Alain;Benhida, Rachid;,期刊：SYNLETT, 页码：1225-1229 , 文章类型： 研究论文，,卷期：2008年-8] A short and efficient method for the synthesis of a series of 2'-deoxy-heteroaryl-C-nucleosides has been developed by the application of aryl-aldol condensation followed by p-toluenesulfonic acid (PTSA)-mediated isopropy... A convergent total synthesis of (+)-febrifugine. [作者：Sieng, Bora;Ventura, Oscar Lozano;Bellosta, Veronique;Cossy, Janine;,期刊：SYNLETT, 页码：1216-1218 , 文章类型： 研究论文，,卷期：2008年-8] Febrifugine was synthesized in ten steps from N-Boc-4-aminobutan-1-ol by a convergent approach utilizing an enantioselective allyltitanation and Wittig reaction. Intramolecular cycloaddition in cyclohexa-2,4-dienone and photochemical reactions: an efficient route to azatriquinane and azasterpurane frameworks. [作者：Singh, Vishwakarma;Sahu, Bharat C.;Mobin, Shaikh M.;,期刊：SYNLETT, 页码：1222-1224 , 文章类型： 研究论文，,卷期：2008年-8] A novel, efficient, and stereoselective entry to azatriquinane and azasterpurane frameworks from a simple arom. precursor is described. The methodol. involves in-situ generation of cyclohexa-2,4-dienones contg. a tether ... The first total syntheses of the sesquiterpenes (?-1,10:7,10-bisepoxy-1,10-seco-calamanene and (?-6,7;7,10-bisepoxy-6,7-seco-calamanene. [作者：Srikrishna, A.;Ravi, G.;Krishnan, Hema S.;,期刊：SYNLETT, 页码：1199-1201 , 文章类型： 研究论文，,卷期：2008年-8] First total syntheses of the title tricyclic sesquiterpenes I and II, resp., which contain a benzo-fused 2,8-dioxabicyclo[3.2.1]octane framework, were achieved via intramol. acetalization reactions, and thus confirming t... Sequential Claisen rearrangement and intramolecular Heck reaction as a route to medium-ring oxacycle-fused heterocycles. [作者：Chattopadhyay, Shital K.;Neogi, Kaushik;Singha, Sovan K.;Dey, Rajat;,期刊：SYNLETT, 页码：1137-1140 , 文章类型： 研究论文，,卷期：2008年-8] A synthetic strategy based on tandem application of Claisen rearrangement and intramol. Heck reaction as key steps was developed for the synthesis of various hitherto unknown benzoxocine- and benzoxonine-fused coumarin a... Synthesis of isoquinoline-3-carboxylates and benzocyclobutanes via reaction of 2-amidoacrylate esters with arynes. [作者：Blackburn, Tom;Ramtohul, Yeeman K.;,期刊：SYNLETT, 页码：1159-1164 , 文章类型： 研究论文，,卷期：2008年-8] A mild and general method for the synthesis of a variety of 2-substituted isoquinoline-3-carboxylates and benzocyclobutanes from the reaction of 2-amidoacrylate esters with arynes was developed. A novel and green method for the synthesis of indeno[2,1-c]pyridine derivatives in ionic liquid catalyzed by malononitrile. [作者：Wang, Xiang-Shan;Wu, Jian-Rong;Li, Qing;Yao, Chang-Sheng;Tu, Shu-Jiang;,期刊：SYNLETT, 页码：1185-1188 , 文章类型： 研究论文，,卷期：2008年-8] 1-Aryl-9H-indeno[2,1-c]pyridine-4-carbonitrile derivs., e.g., I, were unexpectedly obtained from the reaction of 2-(2,3-dihydroinden-3-ylidene)malononitrile (II), aldehydes (such as 4-tolualdehyde), and malononitrile in ... Efficient synthesis of highly substituted indolizinones via iodocyclization and 1,2-shift. [作者：Choi, Jihyun;Lee, Ge Hyeong;Kim, Ikyon;,期刊：SYNLETT, 页码：1243-1249 , 文章类型： 研究论文，,卷期：2008年-8] The 5-endo-dig iodocyclization of propargylic alcs. followed by a 1,2-shift provided rapid access to 2-iodoindolizinones, while the 5-endo-trig iodocyclization of allylic alcs. and subsequent dehydroiodination and 1,2-sh... Carbohydrate-based tolylsulfonyl hydrazines: effective catalysts for Michael addition of indoles to electron-deficient olefins in water. [作者：Wu, Peng;Wan, Yiqian;Cai, Jiwen;,期刊：SYNLETT, 页码：1193-1198 , 文章类型： 研究论文，,卷期：2008年-8] Carbohydrate-based tolylsulfonyl hydrazines were used for the first time to catalyze the Michael reaction of indoles to electron-deficient olefins in aq. media to afford 3-substituted indole derivs. in good to excellent ... Palladium-catalyzed amino-Heck reaction of g,d-unsaturated ketone O-diethylphosphinyloximes: a new synthesis of substituted pyrroles and indoles. [作者：Zhu, Jia-Liang;Chan, Yu-Hui;,期刊：SYNLETT, 页码：1250-1254 , 文章类型： 研究论文，,卷期：2008年-8] g,d-Unsatd. ketone O-diethylphosphinyloximes I (R = Ph, 2-naphthyl, 4-MeOC6H4, pyridin-4-yl, etc.), readily prepd. from the corresponding ketones, were used as starting materials for the intramol. amino-Heck reactions. ... Synthesis of novel bicyclic nitroxides using partial Favorskii rearrangement. [作者：Babic, Andrej;Pecar, Slavko;,期刊：SYNLETT, 页码：1155-1158 , 文章类型： 研究论文，,卷期：2008年-8] 3-Bromo-2,2,6,6-tetramethyl-4-oxopiperidine-1-oxyl (I) was reacted with several C-nucleophiles to give novel bicyclic pyrrolidine nitroxides through partial Favorskii rearrangement. Further redn. with sodium borohydride... Synthesis of bistramide A and analogues, part 1: stereoselective access to normethyl tetrahydropyran subunit. [作者：Hiebel, Marie-Aude;Pelotier, Beatrice;Lhoste, Paul;Piva, Olivier;,期刊：SYNLETT, 页码：1202-1204 , 文章类型： 研究论文，,卷期：2008年-8] A stereoselective synthesis of the normethyl C(1)-C(13) fragment of bistramide A is described. The key steps involve asym. Sharpless epoxidn., cross-metathesis reaction, and intramol. oxa-Michael reaction. The trans-2,... Synthesis of isoprenyl flavonoids: (+)-denticulaflavonol, macarangin, and isomacarangin. [作者：Basabe, Pilar;de Roman, Monica;Diez, David;Marcos, Isidro S.;Bodero, Olga;Blanco, Araceli;Mollinedo, Faustino;Urones, Julio G.;,期刊：SYNLETT, 页码：1149-1152 , 文章类型： 研究论文，,卷期：2008年-8] (Biomolecules and Their Synthetic Analogs) Section A straightforward synthesis of two natural C-alkylflavonoids: macarangin (I), isomacarangin (II), and the enantiomer of the natural (-)-denticulaflavonol, III, has been ... Linearly fused dicyclobutabenzenes via dual, regioselective cycloadditions of 1,4-benzdiyne equivalent and ketene silyl acetals. [作者：Arisawa, Tetsu;Hamura, Toshiyuki;Uekusa, Hidehiro;Matsumoto, Takashi;Suzuki, Keisuke;,期刊：SYNLETT, 页码：1179-1184 , 文章类型： 研究论文，,卷期：2008年-8] , 75 An efficient, flexible route to highly functionalized linearly fused dicyclobutabenzenes is described based on the dual, regioselective cycloaddn. of benzyne and ketene silyl acetals.