Bromo-boronolactonization of olefins

Bromo-boronolactonization of olefins
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DOI:
10.1021/jo015838z
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发表时间:
2001-10-19
影响因子:
3.6
通讯作者:
Srinivas, D
Srinivas, D
中科院分区:
化学2区
文献类型:
--
作者:
Falck, JR;Bondlela, M;Srinivas, D

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在中性条件下,将各种单取代和二取代的邻烯基芳基硼酸暴露于 THF/H2O 中的 NBS,可得到溴代硼酸内酯,在某些情况下,具有优异的区域控制性。该加合物与由羧酸形成的加合物类似,被证明是有用的合成中间体。
Exposure of a variety of mono- and disubstituted ortho-alkenylarylboronic acids to NBS in THF/ H2O under neutral conditions affords bromo-boronolactones, in some instances, with exceptional regiocontrol. The adducts, analogous to those formed by carboxylic acids, are shown to be useful synthetic intermediates.