An iron(III)-BPsalan complex was found to efficiently catalyze the asymmetric chlorination reaction of cyclic β-keto esters and N -Boc oxindoles, affording the corresponding chlorinated products in high yield and up to 92% ee with NCS as chlorination reagent under mild reaction conditions.
Luo Yong Heng Ping Yuan Ji Li Zong Rui Gu Xin 徐镇江 支志明
Synthesis (Germany)
2018