3-[4-methyl-3-oxo-7-(2,2,2-trifluoro-1-methylethyl)-2,3,4,10-tetrahydro-9-oxa-1,2,4a-triazaphenanthren-6-ylamino]azetidine-1-carboxylic acid tert-butyl ester 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 2.0h,
以to give 9-(azetidin-3-ylamino)-1-methyl-8-(1,1,1-trifluoropropan-2-yl)-3,5-dihydrobenzo[5,6][1,4]oxazino[3,4-c][1,2,4]triazin-2(1H)-one trifluoroacetic acid (0.015 g, 95%)的产率得到9-(azetidin-3-ylamino)-1-methyl-8-(1,1,1-trifluoropropan-2-yl)-3,5-dihydrobenzo[5,6][1,4]oxazino[3,4-c][1,2,4]triazin-2(1H)-one trifluoroacetic acid salt