Using the FpXylBH2•SMe2 reagent for the regioselective synthesis of cyclic bis(alkenyl)boranes.
Using the FpXylBH2•SMe2 reagent for the regioselective synthesis of cyclic bis(alkenyl)boranes.
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DOI：
10.1039/d0cc05230b
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发表时间：
2020-09
影响因子：
4.9
通讯作者：
Karel Škoch;C. Daniliuc;G. Kehr;G. Erker
中科院分区：
文献类型：
--
作者：
Karel Škoch;C. Daniliuc;G. Kehr;G. Erker
以1，4-二（三氟甲基）苯为原料，经n-BuLi处理、H3 B·SMe 2处理、脱氢化反应制得反应性硼烷试剂FpXylBH 2·SMe 2。它与1，2-双（三甲基甲硅烷基乙炔基）苯进行区域选择性硼氢化反应，得到“二聚”产物13 a，其特征在于含有一对FpXylB单元的共辄14元核心杂环结构。
The reactive borane reagent FpXylBH2•SMe2 was prepared from 1,4-bis(trifluoromethyl)benzene by treatment with n-BuLi, followed by H3B·SMe2 and subsequent removal of hydride. It undergoes a regioselective hydroboration reaction with 1,2-bis(trimethylsilylethynyl)benzene to give the "dimeric" product 13a featuring a conjugated 14-membered core heterocyclic structure that contains a pair of FpXylB units.