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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27条记录   An Efficient Oxidative Conversion of Aldehydes into 2-Substituted 2-Oxazolines Using 1,3-Diiodo-5,5-dimethylhydantoin [作者：TAKAHASHI SHOGO; TOGO HIDEO,期刊：Synthesis, 页码：2329-2332 , 文章类型： Article，,卷期：2009年-14] Various aromatic and aliphatic aldehydes were converted into the corresponding 2-aryl and 2-alkyl-2-oxazolines, respectively, in good to high yields by reaction with 2-aminoethanol and 1,3-diiodo-5,5-dimethylhydantoin. M... Synthesis of Symmetrical Ketones from Grignard Reagents and 1,1 '-Carbonyldiimidazole [作者：BOTTALICO DANIELA; FIANDANESE VITO; MARCHESE GIUSEPPE; PUNZI ANGELA,期刊：Synthesis, 页码：2316-2318 , 文章类型： Article，,卷期：2009年-14] Coupling reactions of 1,1'-carbonyldiimidazole with Grignard reagents provide a rapid and straightforward method for the synthesis of symmetrical ketones. Synthesis of 4,5-Substituted Imidazoles by a Fast Condensation of 1,2-Diketones and Urotropine in Heterogeneous Medium [作者：BRATULESCU GEORGE,期刊：Synthesis, 页码：2319-2320 , 文章类型： Article，,卷期：2009年-14] Starting from 1,2-diketones and urotropine in the presence of ammonium acetate, a simple and efficient solventless microwave-assisted synthesis of 4.5-disubstituted imidazoles was accomplished. (Arylsulfonyl)acetones and -acetonitriles: New Activated Methylenic Building Blocks for Synthesis of 1,2,3-Triazoles [作者：POKHODYLO NAZARIY T; MATIYCHUK VASYL S; OBUSHAK MYKOLA D,期刊：Synthesis, 页码：2321-2323 , 文章类型： Article，,卷期：2009年-14] beta-Keto sulfones and beta-nitrile sulfones were used as building blocks for 1,2,3-triazole synthesis in the Dimroth cyclization. It was shown, that sulfone reagents undergo base-catalyzed cyclization under mild conditi... A Safe, Convenient and Efficient One-Pot Synthesis of alpha-Chloroketone Acetals Directly from Ketones Using Iodobenzene Dichloride [作者：YU JUN; ZHANG CHI,期刊：Synthesis, 页码：2324-2328 , 文章类型： Article，,卷期：2009年-14] Various ketones, including aliphatic and aromatic ketones, can be directly converted into their corresponding alpha-chloroketone acetals in high to excellent yields using iodobenzene dichloride in ethylene glycol in the ... Kumada Cross-Coupling of Aryl Grignard Reagents with Aryl Halides Catalyzed by an Immobilized Nickel Catalyst [作者：CHEN XIAOFANG; WANG LEI; LIU JIE,期刊：Synthesis, 页码：2408-2412 , 文章类型： Article，,卷期：2009年-14] The Kumada cross-coupling reaction of a variety of unactivated aryl bromides and aryl chlorides with phenylmagnesium bromide has been developed. The reaction is catalyzed by an immobilized nickel(II) complex containing a... Efficient Synthesis of 2-Substituted Pyrido[3,2-d]pyrimidines Involving SNAr and Palladium-Catalyzed Cross-Coupling Reactions [作者：TIKAD ABDELLATIF; ROUTIER SYLVAIN; AKSSIRA MOHAMED; LEGER JEANMICHEL; JARRY CHRISTIAN; GUILLAUMET GRALD,期刊：Synthesis, 页码：2379-2384 , 文章类型： Article，,卷期：2009年-14] The efficient and original synthesis of various 2-substituted pyrido[3,2-d]pyrimidines is reported. Starting from 2,4-dichloropyrido[3,2-d]pyrimidine, a regioselective pallado-dehalogenation led to 2-chloropyrido[3,2-d]p... Novel Synthesis of Medium-Sized Heterocycles by Palladium-Catalyzed Intramolecular Heck Reaction via 9-endo-trig Mode of Cyclization [作者：MAJUMDAR K C; CHATTOPADHYAY BUDDHADEB,期刊：Synthesis, 页码：2385-2392 , 文章类型： Article，,卷期：2009年-14] Ail efficient and high yielding method for the synthesis of nine-membered heterocyclic skeletons has been developed by palladium-catalyzed intramolecular Heck reaction via an unusual 9-endo-trig mode of cyclization. Facile Synthesis of Fluorinated Benzofuro- and Benzothieno[2,3-b]pyridines, alpha-Carbolines and Nucleosides Containing the alpha-Carboline Framework [作者：IAROSHENKO VIKTOR O; WANG YAN; ZHANG BIAO; VOLOCHNYUK DMITRIY; SOSNOVSKIKH VYACHESLAV YA,期刊：Synthesis, 页码：2393-2402 , 文章类型： Article，,卷期：2009年-14] Fluorinated benzofuro[2,3-b]pyridines, benzothieno[2,3-b] pyridines and 9H-pyrido[2,3-b]indoles (alpha-carbolines) were synthesized via regiospecific pyridine core annulation of a number of fluoro-containing 1,3-CCC-diel... Synthesis of Functionalized N-Vinyl Nitrogen-Containing Heterocycles [作者：LOPES SUSANA M M; BEJA ANA MATOS; SILVA MANUELA RAMOS; PAIXAO JOSE A; PALACIOS FRANCISCO; PINHO E MELO TERESA M V D,期刊：Synthesis, 页码：2403-2407 , 文章类型： Article，,卷期：2009年-14] Microwave-assisted 1,3-dipolar cycloaddition of the azomethine ylide generated by ring opening of a N-vinylaziridine gave new N-vinyl derivatives of pyrrolidine, 3-pyrroline, octahydropyrrolo[3,4-c]pyrrole and 1,2,4-tria... Highly Enantioselective Synthesis of Heteroaromatic Alcohols Catalyzed by Chiral Diaminodiphosphine-Ruthenium(II) Complexes [作者：SHEN WEIYI; LI YANYUN; DONG ZHENRONG; GAO JINGXING,期刊：Synthesis, 页码：2413-2417 , 文章类型： Article，,卷期：2009年-14] Chiral diaminodiphosphine-ruthenium(II) complexes were found to be excellent catalysts for the asymmetric transfer hydrogenation of heteroatomic ketones in propan-2-ol. In the presence of potassium hydroxide, the enantio... Concise Total Synthesis of (+)-Disparlure and its trans-Isomer Using Asymmetric Organocatalysis [作者：KIM SUNGGON,期刊：Synthesis, 页码：2418-2422 , 文章类型： Article，,卷期：2009年-14] The efficient enantioselective synthesis of(+)-disparlure and its trans-isomer is described. This approach involves tandem asymmetric organocatalytic alpha-aminoxylation-allytation of an aldehyde and olefin cross metathe... Efficient Fluoride-Mediated Synthesis of 5-Amino-Substituted Isothiazoles [作者：ZUBENKO YURI S; POTKIN VLADIMIR I,期刊：Synthesis, 页码：2361-2364 , 文章类型： Article，,卷期：2009年-14] Fluoride-mediated nucleophilic substitution reactions of teri-butyl 4,5-dichloroisothiazole-3-carboxylate with various amines occur under mild conditions yielding 5-(alkylamino)isothiazoles in moderate to high yields. A Novel Procedure for the Synthesis of Benzo[b][1,8]naphthyridine-3-carboxylate Derivatives from Morita-Baylis-Hillman Adduct Acetates [作者：ZHONG WEIHUI; LIN FULIANG; CHEN RENER; SU WEIKE,期刊：Synthesis, 页码：2333-2340 , 文章类型： Article，,卷期：2009年-14] A novel procedure has been designed for the preparation of benzo[b][1,8]naphthyridine-3-carboxylate derivatives from the reaction of Morita-Baylis-Hillman adduct acetates with primary amines, ammonium acetate or benzenes... An Improved Synthesis of 1,4,7-Triazacyclononanes (tacns) and 1,4,7,10-Tetraazacyclododecanes (cyclens) [作者：HUANG JIANYING; ZHOU ZHONGYUAN; CHAN TAK HANG,期刊：Synthesis, 页码：2341-2344 , 文章类型： Article，,卷期：2009年-14] Reaction of tosylbis[2-(tosyloxy)ethyl]amine with ethyl-enediamine gives 1-tosyl-1,4,7-triazacyclononane in good yield. A similar reaction of tosylbis[2-(tosyloxy)ethyl]amine with diethyl-enetriamine gives 1-tosyl-1,4,7,... The Ullmann Coupling between 2-Chlorobenzoic Acids and Amino Acids; A Valuable Reaction for Preparing 2-Substituted 1-Acetyl-1H-indol-3-yl Acetates [作者：RODRIGUEZ DOMINGUEZ JUAN CARLOS; GANG XIAO; KIRSCH GILBERT,期刊：Synthesis, 页码：2345-2348 , 文章类型： Article，,卷期：2009年-14] 2-Substituted 3-acetoxy-1-acetyl-1H-indoles were prepared by condensing 2-chlorobenzoic acids with amino acids under Ullmann conditions in good yields, and further cyclodecarboxylation using the Rossing method in moderat...