EASY ACCESS TO 5-(E)-ALKYNYLIDENE-TETRAHYDRO-2-FURANONES BY A PALLADIUM CATALYZED PROCESS

被引:57
作者
BOUYSSI, D
GORE, J
BALME, G
机构
[1] Laboratoire de Chimie Organique 1, associé au CNRS, Université Claude Bernard, 69622 Villeurbanne, 43 bd du
关键词
D O I
10.1016/S0040-4039(00)78865-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Biologically active ynenol lactones 1 are stereospecifically obtained when gamma-acetylenic carboxylates are reacted with 1-bromo 1-alkynes in the presence of a palladium(0)-phosphine complex. The reaction is effective only with the potassium carboxylate and the nature of the phosphine is essential for the cyclisation process.
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页码:2811 / 2814
页数:4
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