N-[N-[N-[[2-(p-amidinophenyl)-1,3-dioxolan-2-yl]acetyl]glycyl]-L-α-aspartyl]-3-phenyl-L-alanine trifluoroacetate 在
Acetonitrile water water 作用下,
以
Trifluoroacetic acid monohydrate 为溶剂,
反应 16.0h,
以are obtained 33 mg of N-[N-[N-[(p-amidinobenzoyl)acetyl]glycyl]-L-aspartyl]-3-phenyl-L-alanine trifluoroacetate (1:1), m.p. 225°-230° C. (decomposition)的产率得到N-[N-[N-[(p-amidinobenzoyl)acetyl]glycyl]-L-aspartyl]-3-phenyl-L-alanine trifluoroacetate