Electrochemically driven stereoselective approach to syn-1,2-diol derivatives from vinylarenes and DMF.
Electrochemically driven stereoselective approach to syn-1,2-diol derivatives from vinylarenes and DMF.
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电化学驱动的立体选择方法,用于从乙烯烯和DMF中使用的Syn-1,2-二醇衍生物。
DOI:
10.1039/d1sc00760b
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发表时间:
2021-03-23
期刊:
影响因子:
8.4
通讯作者:
Kim H
中科院分区:
文献类型:
--
作者:
Chung DS;Park SH;Lee SG;Kim H
We have developed an electrochemically driven strategy for the stereoselective synthesis of protected syn-1,2-diols from vinylarenes with N,N-dimethylformamide (DMF). The newly developed system obviates the need for transition metal catalysts or external oxidizing agents, thus providing an operationally simple and efficient route to an array of protected syn-1,2-diols in a single step. This reaction proceeds via an electrooxidation of olefin, followed by a nucleophilic attack of DMF. Subsequent oxidation and nucleophilic capture of the generated carbocation with a trifluoroacetate ion is proposed, which gives rise predominantly to a syn-diastereoselectivity upon the second nucleophilic attack of DMF. An electrochemical method that provides an operationally simple synthesis of masked syn-1,2-diols from styrenes and DMF has reported. The TFA ion is engaged in the formation of a key intermediate, which gives rise predominantly to syn-selectivity.
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