Polar control of the regioselectivity of hetaryne cycloadditions. Synthesis of ellipticine

被引:0
作者
Diaz, MT
Cobas, A
Guitian, E [1 ]
Castedo, L
机构
[1] Univ Santiago, CSIC, Dept Quim Organ, Santiago De Compostela 15706, Spain
[2] Univ Santiago, CSIC, Unidad Asociada, Santiago De Compostela 15706, Spain
关键词
ellipticine; 2-chloro-3,4-didehydropyridine; pyridyne cycloaddition;
D O I
暂无
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A regioselective cycloaddition between 1,3-dimethyl-4-(phenylsulfonyl)-4H-furo[3,4-b]indole and 2-chloro-3,4-didehydropyridine is the key step of a modification of Gribble's approach to ellipticines. The use of a fluoride-promoted elimination for the generation of the pyridyne and the control of the regioselectivity of the cycloaddition improve the yield of ellipticine by a factor of 3.
引用
收藏
页码:157 / +
页数:3
相关论文
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