3-(2-(2-(2-aminoethoxy)ethoxy)ethoxy)-N-(3-(6,8-dichloro-2-methyl-l,2,3,4-tetrahydroisoquinolin-4-yl)phenyl)propanamide 、
L-disuccinimidyl tartrate 、
三乙胺 在
(2R,3R)-N1,N4-bis(2-(2-(2-(3-(3-(6,8-dichloro-2-methyl-1,2,3,4-tetrahydroisoquinolin-4-yl)phenylamino)-3-oxopropoxy)ethoxy)ethoxy)ethyl)-2,3-dihydroxysuccinamide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
以to give 170 mg (56%) of a TFA salt of (2R,3R)—N1,N4-bis(2-(2-(2-(3-(3-(6,8-dichloro-2-methyl-1,2,3,4-tetrahydroisoquinolin-4-yl)phenylamino)-3-oxopropoxy)ethoxy)ethoxy)ethyl)-2,3-dihydroxysuccinamide as an off-white solid的产率得到(2R,3R)-N1,N4-bis(2-(2-(2-(3-(3-(6,8-dichloro-2-methyl-1,2,3,4-tetrahydroisoquinolin-4-yl)phenylamino)-3-oxopropoxy)ethoxy)ethoxy)ethyl)-2,3-dihydroxysuccinamide