、
乙酸酐 以
四氢呋喃 为溶剂,
反应 1.0h,
以40 mg的产率得到N,N'-bis[4-[(12S,27S)-27-(acetyloxymethyl)-10,25-dihydroxy-3,7,14,18,22,29-hexaoxa-11,26,31,32,33,34,35,36-octazaheptacyclo[26.2.1.12,5.16,9.113,16.117,20.121,24]hexatriaconta-1(30),2(36),4,6(35),8,10,13(34),15,17(33),19,21(32),23,25,28(31)-tetradecaen-12-yl]butyl]carbamimidic acid