boron tris(trifluoroacetate) 、 [1-(3-Benzyloxy-1-cyclopropyl-6-fluoro-2,4-dioxo-1,2,3,4-tetrahydro-quinazolin-7-yl)-azetidin-3-yl]-carbamic Acid tert-butyl Ester 以
甲醇 、
乙醚 、
三氟乙酸 为溶剂,
生成
7-(3-Amino-azetidin-1-yl)-1-cyclopropyl-6-fluoro-3-hydroxy-1H-quinazoline-2,4-dione, trifluoroacetate