4-(4,7-dimethyl-3-oxo-2,3,4,10-tetrahydro-9-oxa-1,2,4a-triazaphenanthren-6-yl)piperidine-1-carboxylic acid tert-butyl ester 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 1.5h,
以to give 4,7-dimethyl-6-piperidin-4-yl-2,10-dihydro-9-oxa-1,2,4a-triaza-phenanthren-3-one trifluoroacetic acid as a pale yellow solid (0.015 g, 97%)的产率得到4,7-dimethyl-6-piperidin-4-yl-2,10-dihydro-9-oxa-1,2,4a-triazaphenanthren-3-one trifluoroacetic acid