在
甲醇 作用下,
反应 16.0h,
以73%的产率得到(3aS,4R,7R,9R,10R,11S,13R,15R,15aR)-4-ethyl-11-methoxy-7,9,11,13,15-pentamethyl-1-[4-methyl-4-(4-pyridin-3-yl-1H-imidazol-1-yl)pentyl]-2,6,8,14-tetraoxo-3a-vinyltetradecahydro-2H-oxacyclotetradecino[4,3-d][1,3]oxazol-10-yl-3,4,6-trideoxy-3-(dimethylamino)-D-xylo-hexopyranoside