、
7-hydroxy-1,21,23,25-tetrapentyl-2,20:3,19-dimetheno-1H,21H,23H,25H-bis[1,3]dioxocino-[5,4-i:5',4'-i']benzo[1,2-d:5,4-d']bis[1,3]benzodioxocin 在
三乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 48.0h,
以239 mg的产率得到[(25R,29S,33S,37R)-25,29,33,37-tetrapentyl-2,4,8,10,14,16,20,22-octaoxanonacyclo[21.15.1.124,38.05,36.07,34.011,32.013,30.017,28.019,26]tetraconta-1(38),5,7(34),11(32),12,17(28),18,23(39),24(40),26,30,35-dodecaen-6-yl] 6-[4-[[(25R,29S,33S,37R)-25,29,33,37-tetrapentyl-2,4,8,10,14,16,20,22-octaoxanonacyclo[21.15.1.124,38.05,36.07,34.011,32.013,30.017,28.019,26]tetraconta-1(38),5,7(34),11(32),12,17(28),18,23(39),24(40),26,30,35-dodecaen-6-yl]oxycarbonyl]pyridin-2-yl]pyridine-2-carboxylate