Ti(O-<i>i</i>-Pr)<sub>4</sub>/Me<sub>3</sub>SiCl/Mg-Mediated Reductive Cleavage of Sulfonamides and Sulfonates to Amines and Alcohols
作者:Noriaki Shohji、Tsuyoshi Kawaji、Sentaro Okamoto
DOI:10.1021/ol200740r
日期:2011.5.20
A low-valent titanium generated in situ from Ti(O-i-Pr)4, Me3SiCl, and Mg powder in THF reacted with aryl- and alkyl-sulfonamides of aryl and alkyl amines in a reductive N–S/S–O/S–C bond cleaving pathway to provide the corresponding amines and hydrocarbons (and thiols) derived from the sulfonyl moiety. The reagent could also cleave sulfonates to the corresponding alcohols.
在THF中由Ti(O- i- Pr)4,Me 3 SiCl和Mg粉末在原位生成的低价钛与芳基和烷基胺的芳基和烷基磺酰胺反应O / S–C键裂解途径,提供相应的胺和衍生自磺酰基部分的烃(和硫醇)。该试剂还可以将磺酸盐裂解为相应的醇。