3-[[(1S,14R)-20,21,25-trimethoxy-15,30-dimethyl-7,23-dioxa-15,30-diazaheptacyclo[22.6.2.23,6.18,12.114,18.027,31.022,33]hexatriaconta-3(36),4,6(35),8,10,12(34),18,20,22(33),24,26,31-dodecaen-9-yl]oxy]propan-1-amine 、
5-amino-2-chloropyrimidine 在
N,N-二异丙基乙胺 作用下,
以2.9%的产率得到12-O-(3-(5-(2-chloro-5-methoxy-benzoylamino)-pyrimidin-2-amino)-propyl)-berbamine