Controlling mode selectivity in palladium-catalyzed bisdiene carbocyclizations: optimizing for cyclization-trapping over cycloisomerization.

Controlling mode selectivity in palladium-catalyzed bisdiene carbocyclizations: optimizing for cyclization-trapping over cycloisomerization.
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DOI：
10.1021/ol035253m
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发表时间：
2003-10
期刊：
Organic letters
影响因子：
5.2
通讯作者：
J. M. Takacs;S. Schroeder;Jian Han;Meg Gifford;Xun‐tian Jiang;Twana Saleh;S. Vayalakkada;Amy H. Yap
J. M. Takacs;S. Schroeder;Jian Han;Meg Gifford;Xun‐tian Jiang;Twana Saleh;S. Vayalakkada;Amy H. Yap
中科院分区：
化学1区
文献类型：
--
作者：
J. M. Takacs;S. Schroeder;Jian Han;Meg Gifford;Xun‐tian Jiang;Twana Saleh;S. Vayalakkada;Amy H. Yap

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[反应：筛选五种催化剂前体与13种磷配体的组合，鉴定出有利于与N-羟基邻苯二甲酰亚胺进行碳环化捕获而不是竞争环异构化模式的环化催化剂。
[reaction: see text] Screening combinations of five catalyst precursors with 13 phosphorus ligands identified cyclization catalysts that favor carbocyclization-trapping with N-hydroxyphthalimide over a competing cycloisomerization mode.