在
哌啶 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 1.0h,
以82%的产率得到(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,10,13-tetrahydroxy-3,5,8,10,12,14-hexamethyl-6-[3-[2-(1,3-thiazol-2-ylmethylamino)ethylamino]propyl]-1-oxa-6-azacyclopentadecan-15-one