Stille couplings catalytic in tin: A "Sn-F" approach

被引:37
作者
Maleczka, RE [1 ]
Gallagher, WP [1 ]
机构
[1] Michigan State Univ, Dept Chem, E Lansing, MI 48824 USA
关键词
D O I
10.1021/ol016792z
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
[GRAPHICS] A new tin recycling method for Stille couplings catalytic in tin is reported. PMHS made hypercoordinate by KF(aq) allows Me3SnH to be efficiently recycled during a Pd(0)-catalyzed hydrostannation/Stille cascade. Relative to previously disclosed protocols, reaction times are shorter and because this process is believed to proceed through a Me3SnF intermediate the hazards and problems associated with trimethyltins are also diminished.
引用
收藏
页码:4173 / 4176
页数:4
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