Nucleophilic (phenylsulfinyl)difluoromethylation of carbonyl compounds with difluoromethyl phenyl sulfoxide
作者:Lingui Zhu、Ya Li、Chuanfa Ni、Jinbo Hu、Petr Beier、Ying Wang、G.K. Surya Prakash、George A. Olah
DOI:10.1016/j.jfluchem.2007.05.003
日期:2007.10
We have successfully achieved nucleophilic (phenylsulfinyl)difluoromethylation of both enolizable and non-enolizable aldehydes and ketones by using difluoromethyl phenyl sulfone (1) as the fluoroalkylating agent. Although the chemical yields of the reactions are good to excellent, the observed diastereoselectivity is poor (dr = 1:1.04–2.03). The present synthetic methodology provides a convenient alternative
通过使用二氟甲基苯砜(1)作为氟代烷基化剂,我们已经成功实现了可烯化和不可烯化的醛和酮的亲核性(苯亚磺酰基)二氟甲基化反应。尽管反应的化学收率好到极好,但观察到的非对映选择性差(dr = 1:1.04–2.03)。本合成方法为制备先前通过两步法合成的α-(苯基亚磺酰基)二氟甲基化甲醇提供了一种方便的替代方法。