3-(4-(4-bromobutoxy)phenyl)-2-methylquinazolin-4(3H)-one 、
(2S)-N-(4-hydroxy-5-methoxy-2-nitrobenzoyl)pyrrolidine-2-carboxaldehyde diethyl thioacetal 在
potassium carbonate 作用下,
以
丙酮 为溶剂,
以80%的产率得到(S)-1-(5-methoxy-4-(4-(4-(2-methyl-4-oxoquinazolin-3(4H)-yl)phenoxy)butoxy)-2-nitrobenzoyl)pyrrolidine-2-carbaldehyde diethyl dithioacetal