tert-butyl 6-chloro-7-(4-(6-chloroquinolin-2-ylcarbamoyl)phenoxy)chroman-4-carboxylate 在
cellulose tris(4-methylbenzoate) coated silica gel column (OJ column, 20 mm x 250 mm; Chiral Technologies, West Chester, PA) 作用下,
以
甲醇 、
乙腈 为溶剂,
生成
tert-butyl 6-chloro-7-(4-(6-chloroquinolin-2-ylcarbamoyl)phenoxy)chroman-4-carboxylate 、
tert-butyl 6-chloro-7-(4-(6-chloroquinolin-2-ylcarbamoyl)phenoxy)chroman-4-carboxylate