methyl 4-[3-(4-{[(2-amino-4,5,6,7-tetrahydro-1-benzothiophen-3-yl)carbonyl]amino}phenyl)propyl]benzoate 、
三乙胺 、
3-氯磺酰苯甲酰氯 在
ice 作用下,
以
二氯甲烷 为溶剂,
反应 7.0h,
以to obtain 1.42 g of methyl 4-[3-(4-{[(2-{[3-(chlorosulfonyl)benzoyl]amino}-4,5,6,7-tetrahydro-1-benzothiophen-3-yl)carbonyl]amino}phenyl)propyl]benzoate as a yellow solid的产率得到methyl 4-[3-(4-{[(2-{[3-(chlorosulfonyl)benzoyl]amino}-4,5,6,7-tetrahydro-1-benzothiophen-3-yl)carbonyl]amino}phenyl)propyl]benzoate