2-amino-5-hydroxy-N-(isopropylcarbamoylmethyl)benzamide 、
Ethyl 4-fluoro-3-chlorobenzimidate 在
乙醇 作用下,
以
乙醇 为溶剂,
反应 1.0h,
以to afford 2-[2-(3-chloro-4-fluorophenyl)-6-hydroxy-4-oxo-4H-quinazolin-3-yl]-N-isopropylacetamide (INTERMEDIATE IV.1) (380 mg, 0.97 mmol, 61%) as a white solid的产率得到2-[2-(3-chloro-4-fluorophenyl)-6-hydroxy-4-oxo-4H-quinazolin-3-yl]-N-isopropylacetamide