rac-tert-butyl 3-{4-amino-5-[3,5-difluoro-4-(hydroxymethyl)phenyl]pyrrolo[2,1-f][1,2,4]triazin-7-yl}piperidine-1-carboxylate 在
chiral silica gel phase based on the selector poly(N-methacryloyl-L-leucine-tert-butylamide) column 作用下,
以
2-甲基戊烷 、
乙酸乙酯 为溶剂,
以20 mg的产率得到tert-butyl (3R)-3-{4-amino-5-[3,5-difluoro-4-(hydroxymethyl)phenyl]pyrrolo[2,1-f][1,2,4]triazin-7-yl}piperidine-1-carboxylate