N--L-phenylalanyl>-Nα-methyl-L-histidyl>-5(S)-amino-6-cyclohexyl-4(S)-hydroxy-2(S)-isopropylhexanoyl>-L-isoleucyl>(1-oxo-2-pyridyl)methylamine 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 1.0h,
以87%的产率得到N-
α-(β-L-valyl)-L-phenylalanyl-Nα-methyl-L-histidyl>-5(S)-amino-6-cyclohexyl-4(S)-hydroxy-2(S)-isopropylhexanoyl>-L-isoleucyl>(1-oxo-2-pyridyl)methylamine tris(trifluoroacetate)