[(2S,3R,4S,6R)-4-[but-3-ynyl(methyl)amino]-2-[[(3R,5R,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-12,13-dihydroxy-7-methoxy-3,5,7,9,11,13-hexamethyl-2,4,10-trioxo-oxacyclotetradec-6-yl]oxy]-6-methyloxan-3-yl] acetate 、
(R)-O-piperidin-3-yl-hydroxylamine hydrobromide 以
甲醇 为溶剂,
反应 14.0h,
以78%的产率得到(3R,5R,6R,7R,9R,11S,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-[but-3-ynyl(methyl)amino]-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-12,13-dihydroxy-7-methoxy-3,5,7,9,11,13-hexamethyl-10-[(3R)-piperidin-3-yl]oxyimino-oxacyclotetradecane-2,4-dione