A Change from Kinetic to Thermodynamic Control Enables trans-Selective Stereochemical Editing of Vicinal Diols.
A Change from Kinetic to Thermodynamic Control Enables trans-Selective Stereochemical Editing of Vicinal Diols.
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DOI:
10.1021/jacs.1c11902
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发表时间:
2022-01-12
影响因子:
15
通讯作者:
Wendlandt, Alison E.
中科院分区:
文献类型:
--
作者:
Zhang, Yu-An;Gu, Xin;Wendlandt, Alison E.
Here, we report the selective, catalytic isomerization of cis-1,2-diols to trans-diequatorial-1,2-diols. The method employs triphenylsilanethiol (Ph3SiSH) as a catalyst and proceeds under mild conditions in the presence of a photoredox catalyst and under blue light irradiation. The method is highly chemoselective, broadly functional group tolerant and provides concise access to trans-diol products which are not readily obtained using other methods. Mechanistic studies reveal that isomerization proceeds through a reversible hydrogen atom transfer pathway mediated by the silanethiol catalyst.
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