tetramethyl 5,16-diazatricyclo <18.2.2.29,12> hexacosa-2,7,9,11,13,18,20,22,23,25-decaene-3,7,14,18-tetracarboxylate 、
2-{Acetoxy-[3-(1-acetoxy-2-methoxycarbonyl-allyl)-5-chloro-2-methoxy-6-methyl-phenyl]-methyl}-acrylic acid methyl ester 在
三乙胺 作用下,
以
乙腈 为溶剂,
反应 25.0h,
以40%的产率得到hexamethyl 7-chloro-34-methoxy-8-methyl-1,13-diazapentacyclo <11.10.10.1
5,9.2
17,20.2
27,30> octatriaconta-3,5,7,9(34),10,15,17,19,35(36),21,25,27,29,37(38),31-pentadecaene-3,11,15,22,25,32-hexacarboxylate