Diastereoselective radical allylation and hydrogenation of α-(arylsulfinyl)alkyl radicals induced by chelation control
作者:Nobuyuki Mase、Yoshihiko Watanabe、Koji Higuchi、Shuichi Nakamura、Takeshi Toru
DOI:10.1039/b207249a
日期:——
The radical allylation and the hydrogenation of α-(arylsulfinyl)alkyl radicals were examined. In the presence of a bidentate Lewis acid, high diastereoselectivities were achievable in the allylation and the hydrogenation of α-(arylsulfinyl)alkyl radicals derived through the radical β-addition to vinyl sulfoxides bearing the 2-pyridyl, the imidazol-2-yl, or the benzimidazol-2-yl groups.
研究了α-(芳基亚磺酰基)烷基自由基的烯丙基化和氢化反应。在双齿路易斯酸存在下,通过对含2-吡啶基、咪唑-2-基或苯并咪唑-2-基的乙烯基亚砜进行自由基β-加成得到的α-(芳基亚磺酰基)烷基自由基,在烯丙基化和氢化反应中可实现高对映选择性。