- Total synthesis of amphidinolide X and its 12Z-isomer by formation of the C12-C13 trisubstituted double bond via ring-closing metathesis.
[作者:Dai, Wei-Min;Chen, Yile;Jin, Jian;Wu, Jinlong;Lou, Jianshu;He, Qiaojun;,期刊:SYNLETT, 页码:1737-1741 , 文章类型: 研究论文,,卷期:2008年-11]
- Amphidinolide X, a 16-membered cytotoxic macrodiolide, and its for assembling the C12-C13 trisubstituted double bond. A 29:71 E/Z mixt. was obtained from the seco substrate I appended with a bulky C8-ODPS group in 50-65...
- A new insight into the oxidation of cyclododecane with hydrogen peroxide in the presence of iron-substituted polyoxotungstates.
[作者:Santos, Isabel C. M. S.;Simoes, Mario M. Q.;Balula, M. Salete S.;Neves, M. Graca P. M. S.;Cavaleiro, Jose A. S.;Cavaleiro, Ana M. V.;,期刊:SYNLETT, 页码:1623-1626 , 文章类型: 研究论文,,卷期:2008年-11]
- The catalytic homogeneous oxidn. of cyclododecane with hydrogen peroxide in the presence of tetrabutylammonium salts of iron-substituted Keggin-type polyoxotungstates (TBA)4HzXW11Fe(H2O)O39譶H2O (X = P, Si, B, and z = 0-2...
- Straightforward and regiospecific synthesis of pyrazole-5-carboxylates from unsymmetrical enamino diketones.
[作者:Rosa, Fernanda A.;Machado, Pablo;Vargas, Pamela S.;Bonacorso, Helio G.;Zanatta, Nilo;Martins, Marcos A. P.;,期刊:SYNLETT, 页码:1673-1678 , 文章类型: 研究论文,,卷期:2008年-11]
- A series of 4-substituted 1H-pyrazole-5-carboxylates was prepd. from the cyclocondensation of unsym. enamino diketones RC(O)C(:CNMe2)C(O)CO2Et (R = Ph, 4-MeOC6H4, 4-ClC6H4, 4-FC6H4, 4-O2NC6H4, 2-thienyl, 2-benzofuryl, CC...
- Synthesis of functionalized 1,3-thiazoles from acid chlorides, primary amines, ethyl bromopyruvate, and ammonium thiocyanate.
[作者:Yavari, Issa;Hossaini, Zinatossadat;Shirgahi-Talari, Faezeh;Seyfi, Samereh;,期刊:SYNLETT, 页码:1631-1632 , 文章类型: 研究论文,,卷期:2008年-11]
- An efficient synthesis of 1,3-thiazole-4(3H)-carboxylates was described via a four-component reaction between acid chlorides, primary amines, Et bromopyruvate, and ammonium thiocyanate.
- A simple zinc-mediated preparation of selenols. [Erratum to document cited in CA149:425323].
[作者:Santi, Claudio;Santoro, Stefano;Testaferri, Lorenzo;Tiecco, Marcello;,期刊:SYNLETT, 页码:1746-1746 , 文章类型: 研究论文,,卷期:2008年-11]
- On page 1473, in Table 3, in entry 4, in the third column, the structure of compd. 15 was given incorrectly as "Me(CH2)5CH3", and should read: "PhSe(CH2)5CH3".
- Transition metals in organic synthesis. Part 85. A general approach to 1,6-dioxygenated carbazole alkaloids; first total synthesis of clausine G, clausine I, and clausine Z.
[作者:Boerger, Carsten;Knoelker, Hans-Joachim;,期刊:SYNLETT, 页码:1698-1702 , 文章类型: 研究论文,,卷期:2008年-11]
- Using the palladium-catalyzed construction of the carbazole framework, a highly efficient route to 1,6-dioxygenated carbazole alkaloids was developed and applied to the total synthesis of clausenine, 6-methoxymurrayanine...
- Efficient Sonogashira coupling reaction catalyzed by palladium(II) b-oxoiminatophosphane complexes under mild conditions.
[作者:Lee, Dong-Hwan;Qiu, Huili;Cho, Min-Ho;Lee, Ik-Mo;Jin, Myung-Jong;,期刊:SYNLETT, 页码:1657-1660 , 文章类型: 研究论文,,卷期:2008年-11]
- Pd(II) b-oxoiminato phosphine complexes were used as catalysts for the Sonogashira coupling reaction. In the presence of very low amts. of the complexes, various aryl iodides and bromides were efficiently coupled with p...
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