3-(4(S)-methyl-3-oxo-7-phenyl-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 3.0h,
以to give 6-(azetidin-3-ylamino)-4(S)-methyl-7-phenyl-2,10-dihydro-9-oxa-1,2,4a-triaza-phenanthren-3-one trifluoroacetic acid (Example #1-2, Enantiomer 2, SFC (Table 1, Method 1), Rt=5.572 min, 0.261 g, 100%) as yellow solid的产率得到6-(azetidin-3-ylamino)-4-(S)-methyl-7-phenyl-2,10-dihydro-9-oxa-1,2,4a-triazaphenanthren-3-one trifluoroacetic acid