{[4-(4'-amino-2'-methyl-biphenyl-3-sulfonyl)-5-methylsulfanyl-thiophen-2-yl]-imino-methyl}-carbamic acid tert-butyl ester 、
2-methyl-1-(3-methanesulfonyl-propyl)-1,3-bis(carbamic acid-tert-butyl ester)-isothiourea 在
溶剂黄146 作用下,
以
甲醇 为溶剂,
反应 18.0h,
以68%的产率得到[imino-(4-{4'-[N'-(3-methanesulfonyl-propyl)-N',N"-(carbamic acid tert-butyl ester)-guanidino]-2'-methyl-biphenyl-3-sulfonyl}-5-methylsulfanyl-thiophen-2-yl)-methyl]-carbamic acid tert-butyl ester