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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26条记录   New dry arenediazonium salts, stabilized to an exceptionally high degree by the anion of o-benzenedisulfonimide [作者：Barbero, M; Crisma, M; Degani, I; Fochi, R; Perracino, P,期刊：Synthesis, 页码：1171-1175 , 文章类型： Article，,卷期：1998年-8] Arenediazonium o-benzenedisulfonimides 3 (20 examples, yield > 90%) were prepared in the dry state by diazotization of aromatic amines with i-pentyl nitrite and o-benzenedisulfonimide in glacial acetic acid or formic aci... Friedlander synthesis of substituted quinolines from N-pivaloylanilines [作者：Ubeda, JI; Villacampa, M; Avendano, C,期刊：Synthesis, 页码：1176-1180 , 文章类型： Article，,卷期：1998年-8] Synthesis of a great variety of quinoline derivatives has been developed by lithiation of N-pivaloylanilines with sec-BuLi, formylation with DMF, and subsequent condensation with active methylene groups of aldehydes or k... Palladium-catalyzed arylation and acylation of 1-benzyloxy-1,2,3-triazole through a directed ortho lithiation-transmetalation strategy [作者：Felding, J; Uhlmann, P; Kristensen, J; Vedso, P; Begtrup, M,期刊：Synthesis, 页码：1181-1184 , 文章类型： Article，,卷期：1998年-8] 1-Benzyloxy-5-tributylstannyl-1,2,3-triazole was acylated with acyl chlorides in good to excellent yield using tetrakis(triphenylphosphine)palladium(0) as catalyst. Attempts to arylate failed, however 1-benzyloxy-1,2,3-t... A facile synthesis of 4(3H)-pteridinone derivatives by utilizing N-{3-[(N-substituted)carbamoyl]-2-pyrazyl}iminophosphoranes [作者：Okawa, T; Kawase, M; Eguchi, S,期刊：Synthesis, 页码：1185-1194 , 文章类型： Article，,卷期：1998年-8] The intermolecular aza-Wittig reaction of iminophosphoranes 4 derived from 3-aminopyrazine-2- (N-substituted)-carboxamide derivatives 2 with various acyl chlorides followed by heterocyclization provided an efficient synt... An efficient synthesis of dihydroxyfluorenones via in situ Pd(0)-catalyzed cross-coupling [作者：Ciske, FL; Jones, WD,期刊：Synthesis, 页码：1195-1198 , 文章类型： Article，,卷期：1998年-8] All six dimethoxyfluorenones 6a-f and dihydroxyfluorenones 7a-f, wherein substitution occurs at only one aromatic ring, were conveniently prepared by palladium(0)-catalyzed cross-coupling reactions of aryl bromides/trifl... Highly stereo- and chemoselective iron-catalyzed alkenylation of organomagnesium compounds [作者：Cahiez, G; Avedissian, H,期刊：Synthesis, 页码：1199-1205 , 文章类型： Article，,卷期：1998年-8] In the presence of Fe(acac)(3), Grignard reagents react readily with alkenyl halides (X= I, Br or Cl) in a THF/NMP mixture to give the cross-coupling products in high yields with an excellent stereoselectivity (greater t... Sphingosine, an enigmatic lipid: A review of recent literature syntheses [作者：Koskinen, PM; Koskinen, AMP,期刊：Synthesis, 页码：1075-1091 , 文章类型： Review，,卷期：1998年-8] Sphingolipids are ubiquitous membrane components of essentially all eukaryotic cells. There are currently over 300 known sphingolipids with distinct head groups all containing the sphingoid base backbone. In addition to ... Facile synthesis of novel photochromic 1,2-diheteroaryl-substituted cycloalkenes by titanium-induced intramolecular coupling reaction [作者：Huang, ZN; Xu, BA; Jin, S; Fan, MG,期刊：Synthesis, 页码：1092-1094 , 文章类型： Article，,卷期：1998年-8] Intramolecular reductive coupling reaction of a series of diketones 1 and dioxo sulfides 3 induced by a low-valent titanium reagent at reflux in tetrahydrofuran affords 1,2-diheteroarylcycloalkenes 2 and 3,4-diheteroaryl... The synthesis of thienopyridines from ortho-halogenated pyridine derivatives. Part 3. [作者：Bremner, DH; Dunn, AD; Wilson, KA; Sturrock, KR; Wishart, G,期刊：Synthesis, 页码：1095-1097 , 文章类型： Article，,卷期：1998年-8] The reaction of ortho-halogenated (cyanomethyl)- or (alkoxycarbonylmethyl)pyridines with phenyl isothiocyanate and sodium hydride yields thienopyridines. A new one-step synthesis of benzothiopyran derivatives [作者：Cabiddu, MG; Cabiddu, S; Cadoni, E; Demurtas, P; Fattuoni, C; Floris, C; Melis, S,期刊：Synthesis, 页码：1098-1100 , 文章类型： Article，,卷期：1998年-8] (Methylthio)- and (isopropylthio)benzene are useful synthetic intermediates to prepare bimetallated intermediates which, after reaction with alpha-diketones, lead to benzothiopyranic derivatives in one-step and with good...