Synthesis of Indolo[2,3-b]quinolines by Palladium-catalyzed Annulation of Unsaturated Isothioureas

被引:5
|
作者
Takeda, Hiroshi [1 ]
Ishida, Takayuki [1 ]
Takemoto, Yoshiji [1 ]
机构
[1] Kyoto Univ, Grad Sch Pharmaceut Sci, Sakyo Ku, Kyoto 6068501, Japan
关键词
TOPOISOMERASE-II INHIBITORS; ENYNE-CARBODIIMIDES; INTRAMOLECULAR CYANOAMIDATION; CRYPTOLEPIS SANGUINOLENTA; ALKALOIDS; DERIVATIVES; ARYL; ALKYNES; HETEROAROMATICS; CYANOFORMAMIDES;
D O I
10.1246/cl.2009.772
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Treatment of 1-(2-alkynyl)phenyl-3-aryl-2-methylisothioureas with 5 mol % [Pd(eta(3)-C3H5)Cl](2) in the presence of CuTC (copper thiophenecarboxylate) and Cs2CO3 at 130 degrees C provided a wide range of 6-N-alkylated indolo[2,3-b]quinolines in good yields.
引用
收藏
页码:772 / 773
页数:2
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