(1R,2S)-1-{[trans-2-{(S)-1-[((S)-cyclohexyl(methoxycarbonyl)methyl)carbamoyl]-2,2-dimethylpropylcarbamoyl}-4-(7-methoxy-2-phenylquinolin-4-yloxy)cyclopent-2-enecarbonyl]amino}-2-vinylcyclopropanecarboxylic acid tert-butyl ester 在
三乙基硅烷 、
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
以49%的产率得到(1R,2S)-1-{[(1R,4R)-2-{(S)-1-[((S)-cyclohexyl-methoxycarbonyl-methyl)-carbamoyl]-2,2-dimethyl-propylcarbamoyl}-4-(7-methoxy-2-phenyl-quinolin-4-yloxy)-cyclopent-2-enecarbonyl]-amino}-2-vinyl-cyclopropanecarboxylic acid