Olefinic-ester cyclizations using Takai-Utimoto reduced titanium alkylidenes
Olefinic-ester cyclizations using Takai-Utimoto reduced titanium alkylidenes
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DOI：
10.1016/j.tetlet.2005.08.071
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发表时间：
2005-10-17
影响因子：
1.8
通讯作者：
Rainier, JD
中科院分区：
文献类型：
--
作者：
Majumder, U;Rainier, JD
介绍了Takai-Utimoto试剂诱导烯基酯环化反应的适用范围和局限性。关键是酯和烯烃的空间环境。从机理上讲，这些结果支持环化产物来自烯烃复分解、羰基-烯烃化序列的假设。(c)2005爱思唯尔有限公司保留所有权利。
The scope and limitations of the Takai-Utimoto reagent to induce the cyclization of olefinic-esters is described. Critical is the steric environment about both the ester and the olefin. Mechanistically, these results support the hypothesis that cyclized product comes from an olefin metathesis, carbonyl-olefination sequence. (c) 2005 Elsevier Ltd. All rights reserved.