3-(t-butoxycarbonyl)-N-[m-[p-[1-(methylthio)formimidoyl]benzamido]benzoyl]-L-alanine methyl ester hydroiodide 、
乙酸铵 、 Ether isopropyl ether 以
甲醇 为溶剂,
以There is obtained in 71% yield N-[m-(p-amidinobenzamido)benzoyl]-3-(t-butoxycarbonyl)-L-alanine methyl ester hydroiodide in the form of a colourless solid, m.p. 118°-120° C. (ether/isopropyl ether), MS的产率得到N-[m-(p-amidinobenzamido)benzoyl]-3-(t-butoxycarbonyl)-L-alanine methyl ester hydroiodide