3-({[4-(2-{3,5-dichloro-6-[(3-ethoxyphenoxy)methyl]-2-oxopyridin-1(2H)-yl}ethyl)benzoyl]amino}sulfonyl)propyl acetate 、
四氢呋喃 、
sodium hydroxide 、
盐酸 在
ice 作用下,
以
甲醇 为溶剂,
反应 16.0h,
以to obtain 41 mg of 4-(2-{3,5-dichloro-6-[(3-ethylphenoxy)methyl]-2-oxopyridin-1(2H)-yl}ethyl)-N-[(3-hydroxy propyl)sulfonyl]benzamide的产率得到4-(2-{3,5-dichloro-6-[(3-ethylphenoxy)methyl]-2-oxopyridine-1(2H)-yl}ethyl)-N-[(3-hydroxypropyl)sulfonyl]benzamide