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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24条记录   Palladium Hydroxide Catalyzed Transformation of Primary Propargylic Alcohols into Aldehydes: Application to the Synthesis of the Tetrahydrofuran Core [作者：SABITHA GOWRAVARAM; REDDY S YAGUNDAR; NAYAK SAMBIT; YADAV JHILLU S,期刊：Synthesis, 页码：1657-1662 , 文章类型： Article，,卷期：2012年44-11] A palladium-catalyzed one-pot, two-step sequence involving redox isomerization/reduction of primary propargylic alcohols into the corresponding aldehydes has been achieved at room temperature for the first time in good t... Protecting Group-Free Syntheses of (4S,5S,11R)- and (4S,5S,11S)-iso-Cladospolide B and Their Biological Evaluation [作者：REDDY CHADA RAJI; RAO NAGAVARAM NARSIMHA; SUJITHA POMBALA; KUMAR CHITYAL GANESH,期刊：Synthesis, 页码：1663-1666 , 文章类型： Article，,卷期：2012年44-11] Short and efficient total syntheses of (4S,5S,11R)- and (4S,5S,11S)-iso-cladospolide B were achieved in five steps each without using any protecting groups. The key steps were an alkyne-zipper reaction, a Suzuki cross co... Oxidative Cyclization Reactions of Tryptamine Utilizing Hypervalent Iodobenzene in Routes for Pyrroloindole Alkaloid Synthesis [作者：KAJIYAMA DAICHI; SAITOH TSUYOSHI; YAMAGUCHI SATOSHI; NISHIYAMA SHIGERU,期刊：Synthesis, 页码：1667-1671 , 文章类型： Article，,卷期：2012年44-11] Oxidative cyclization of N-acetyltryptamine by using iodobenzene diacetate (PIDA) provided the corresponding 1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-3a-ol derivative, which could be derivatized following appropriate p... Unique Salt Effect on Highly Selective Synthesis of Acid-Labile Terpene and Styrene Oxides with a Tungsten/H2O2 Catalytic System under Acidic Aqueous Conditions [作者：HACHIYA HOUJIN; KON YOSHIHIRO; ONO YUTAKA; TAKUMI KIYOSHI; SASAGAWA NAOKI; EZAKI YOICHIRO; SATO KAZUHIKO,期刊：Synthesis, 页码：1672-1678 , 文章类型： Article，,卷期：2012年44-11] Acid-labile epoxides such as terpene and styrene oxides are effectively synthesized in high yields with good selectivities using tungsten-catalyzed hydrogen peroxide epoxidation in the presence of Na2SO4. The salt effect... Formal [4+1] Annulation of Cyclopropyl Amides and Water Mediated by Lewis Acid: A Novel Entry to gamma-Butyrolactones [作者：ZHANG DINGYUAN; ZHANG RUI; LIANG YONGJIU; DONG DEWEN,期刊：Synthesis, 页码：1679-1685 , 文章类型： Article，,卷期：2012年44-11] An efficient one-pot synthesis of substituted gamma-butyrolactones from cyclopropyl amides mediated by the Lewis acid SnCl4 center dot 5H(2)O is reported. A mechanism involving a tandem ring-opening reaction and intramol... Convenient MCRs Synthesis of Trifluoromethylated Pyrano[4,3-b]pyrans and Their Further Transformation [作者：WANG WEI; LI JIA; ZHANG LI; SONG LIPING; ZHANG MIN; CAO WEIGUO; DENG HONGMEI; SHAO MIN,期刊：Synthesis, 页码：1686-1692 , 文章类型： Article，,卷期：2012年44-11] Ethyl 2-hydroxy-7-methyl-5-oxo-4-aryl-2-(trifluoromethyl)-3,4-dihydro-2H, 5H-pyrano[4,3-b]pyran-3-carboxylate derivatives were synthesized via a one-pot three-component reaction (MCR) promoted by ammonium acetate. The ef... IBX/I-2-Mediated Reaction of Sodium Arenesulfinates with Alkenes: Facile Synthesis of beta-Keto Sulfones [作者：SAMAKKANAD NATTHAPOL; KATRUN PRAEWPAN; TECHAJAROONJIT THANACHART; HLEKHLAI SORNSIRI; POHMAKOTR MANAT; REUTRAKUL VICHAI; JAIPETCH THAWORN; SOORUKRAM DARUNEE; KUHAKARN CHUTIMA,期刊：Synthesis, 页码：1693-1699 , 文章类型： Article，,卷期：2012年44-11] A direct synthesis of beta-keto sulfones from alkenes is described. A combination of o-iodoxybenzoic acid/iodine (IBX/I-2) was found to mediate the reactions of alkenes with arenesulfinates to yield beta-keto sulfones in... The Use of a Lactonized Statin Side-Chain Precursor in a Concise and Efficient Assembly of Pitavastatin [作者：FABRIS JAN; CASAR ZDENKO; SMILOVIC IVANA GAZIC,期刊：Synthesis, 页码：1700-1710 , 文章类型： Article，,卷期：2012年44-11] A concise and simple synthetic route to pitavastatin is described. The approach involves a highly stereoselective Wittig olefination reaction between a lactonized statin side-chain precursor and the triphenylphosphonium ... Synthesis of Coumarin- and Quinolone-Annulated Benzazocinone Frameworks by a Palladium-Catalyzed Intramolecular Heck Reaction [作者：MAJUMDAR K C; SAMANTA SRIKANTA; GHOSH TAPAS,期刊：Synthesis, 页码：1711-1717 , 文章类型： Article，,卷期：2012年44-11] A synthetic strategy based on the sequential application of an aromatic aza-Claisen rearrangement and an intramolecular Heck reaction as the key steps has been developed for the synthesis of various new coumarin- and qui... Synthesis of Thymidine Dimers from 5 '-O-Aminothymidine [作者：PEYRAT SANDRINE; XIE JUAN,期刊：Synthesis, 页码：1718-1724 , 文章类型： Article，,卷期：2012年44-11] The synthesis of modified oligonucleotides is of great importance for various therapeutic and diagnostic applications. The facile secondary structure formation of N-oxyamide-linked peptide analogues and the high nucleoph... Highly Efficient Synthesis of Novel Morita-Baylis-Hillman Adducts from Activated Ketones Using a DABCO-Based Hydroxy Ionic Liquid (HIL) as a Recyclable Catalyst-Solvent [作者：KHALAFINEZHAD ALI; MOHAMMADI SOMAYEH,期刊：Synthesis, 页码：1725-1735 , 文章类型： Article，,卷期：2012年44-11] A highly efficient non-imidazolium DABCO-based ionic liquid has been prepared for the synthesis of biologically active Morita-Baylis-Hillman adducts from activated ketones. The results show that the ionic liquid is very ... Enolates of 2-Isothiocyanatocarboxylic Esters: Synthesis of Thiazolo[5,4-d]-thiazole Derivatives and 2-Thioxo-1,3-thiazolidine-4-carboxylates [作者：CIEZ DARIUSZ; KALINOWSKATLUSCIK JUSTYNA,期刊：Synthesis, 页码：1736-1744 , 文章类型： Article，,卷期：2012年44-11] An oxidative dimerization of titanium(IV) enolates derived from menthyl esters of 2-isothiocarboxylic acids leads to radical coupling followed by cyclization. This cascade reaction gives thiazolo[5,4-d]thiazole derivativ... O-Alkyl-N-acyl-N-phenylhydroxylamines as Photochemical Alkoxy Radical Precursors [作者：CHOWDHURY NILANJANA; ANOOP ANAKUTHIL; SINGH N D PRADEEP,期刊：Synthesis, 页码：1745-1754 , 文章类型： Article，,卷期：2012年44-11] A simple and efficient technique for the photolysis of alkoxy radical precursors is developed. Irradiation of O-alkyl-N-acyl-N-phenylhydroxylamines, as representative alkoxy radical precursors, with ultraviolet light (>=... Ruthenium-Catalyzed C-H Bond Arylations of Arenes Bearing Removable Directing Groups via Six-Membered Ruthenacycles [作者：ACKERMANN L; DIERS E; MANVAR A,期刊：Synthesis, 页码：A53-A55 , 文章类型： Editorial Material，,卷期：2012年44-11] Diastereoselective Rhodium-Catalyzed Ene-Cycloisomerization Reactions of Alkenylidenecyclopropanes: Total Synthesis of (-)-alpha-Kainic Acid [作者：EVANS P ANDREW; INGLESBY PHILLIP A,期刊：Synthesis, 页码：A56-A58 , 文章类型： Editorial Material，,卷期：2012年44-11] Young Career Focus: Dr. Paul Davies (University of Birmingham, UK) [作者：DAVIES PAUL,期刊：Synthesis, 页码：A59-A61 , 文章类型： Editorial Material，,卷期：2012年44-11]