A simple and convenient method for direct α-chlorination of ketones with ammonium chloride and Oxone® 
Zhong Shi Zhou , Li Li, Xue Han He
A simple and convenient method for direct α-chlorination of ketones with ammonium chloride and Oxone® 
Zhong Shi Zhou , Li Li, Xue Han He
中国化学快报 . 2012, (11): 1213 -1216 .