Hydroxyselenylation and Tethered Silanoxyselenylation of Allylic Silanols.

Hydroxyselenylation and Tethered Silanoxyselenylation of Allylic Silanols.
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DOI:
10.1021/acs.joc.2c00119
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发表时间:
2022-04-01
期刊:
The Journal of organic chemistry
影响因子:
--
通讯作者:
Sathyamoorthi S
Sathyamoorthi S
中科院分区:
其他
文献类型:
--
作者:
Joshi H;Sathyamoorthi S

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We present protocols for the highly regioselective hydroxyselenylation and silanoxyselenylation of allylic silanols. N-(Phenylseleno)phthalimide acts as the selenylating agent for both transformations. Under basic conditions, hydroxyselenylation proceeds with >20:1 regioselectivity, and the products are valuable synthons for further transformations. We show that the silanol plays a critical role in maintaining the yield and regioselectivity of this reaction. Surprisingly, under acidic conditions, the hydroxyselenylation pathway is blocked, and products of a tethered silanoxyselenylation are exclusive.
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