A protic additive suppresses formation of byproducts in platinum-catalyzed hydrophosphination of activated olefins. Evidence for P-C and C-C bond formation by Michael addition

被引：96
作者：
Scriban, C [1 ]
Kovacik, I [1 ]
Glueck, DS [1 ]
机构：
[1] Dartmouth Coll, Dept Chem, Burke Lab 6128, Hanover, NH 03755 USA
来源：
ORGANOMETALLICS | 2005年 / 24卷 / 21期
关键词：
D O I：
10.1021/om050433g
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Platinum-catalyzed hydrophosphination of activated olefins yields byproducts derived from more than one alkene. Formation of byproducts is suppressed by adding tert-butyl alcohol, consistent with a mechanism in which Michael addition of a nucleophilic Pt-PR2 group to the alkene yields a zwitterionic intermediate, which can undergo further conjugate additions.
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收藏
页码：4871 / 4874
页数：4
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