乙酸酐 、 trideca-O-methylalnusiin 在
吡啶 作用下,
反应 14.0h,
以8 mg的产率得到[(12R,15R,32S,33R)-4,5,6,20,21,22,25,26,27,38,39,45,46-tridecamethoxy-9,17,30,35,42-pentaoxo-2,10,13,16,31,34,41-heptaoxanonacyclo[34.9.3.03,8.012,33.015,32.018,23.024,29.040,48.043,47]octatetraconta-1(45),3,5,7,18,20,22,24,26,28,36,38,40(48),43,46-pentadecaen-14-yl] acetate