SYNTHESIS OF (E)-1,4-BIS(ORGANYL)-BUT-1-EN-3-YNES BY LITHIUM-TELLURIUM EXCHANGE-REACTION ON (Z)-1-BUTYLTELLURO-1,4-BIS(ORGANYL)-BUT-1-EN-3-YNES

被引:62
作者
DABDOUB, MJ [1 ]
DABDOUB, VB [1 ]
COMASSETO, JV [1 ]
机构
[1] UNIV SAO PAULO,INST QUIM,BR-01000 SAO PAULO,BRAZIL
关键词
D O I
10.1016/S0040-4039(00)74184-0
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
1,4-bis(organyl)-1,3-butadiynes react with dibutyl ditelluride and sodium borohydride in ethanol under reflux to give (Z)-1-butyltelluro-1,4-bis(organyl) but-1-en-3-ynes, which by treatment with butyllithium followed by water give (E)-1,4-bis(organyl) but-1-en-3-ynes in high yields.
引用
收藏
页码:2261 / 2264
页数:4
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