(S)-2-(4-(6-(5-chloropyridin-2-yl)-4-oxopyrrolo[1,2-f][1,2,4]triazin-3(4H)-yl)-2-methoxyphenoxy)-1-cyclopropylethyl 2-(tert-butoxycarbonylamino)-3-methylbutanoate dihydrochloride 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 2.0h,
以77%的产率得到(S)-2-(4-(6-(5-chloropyridin-2-yl)-4-oxopyrrolo[1,2-f][1,2,4]triazin-3(4H)-yl)-2-methoxyphenoxy)-1-cyclopropylethyl 2-amino-3-methylbutanoate dihydrochloride