9-dehydro-3''-O-methyl-4''-O-(3-methylbutyl)-3-O-propionylleucomycin V N-oxide 在
三苯基膦 作用下,
以
二氯甲烷 为溶剂,
反应 72.0h,
以72%的产率得到[(4R,5S,6S,7R,9R,11E,13E,16R)-6-[(2S,3R,4R,5S,6R)-4-(dimethylamino)-3-hydroxy-5-[(2S,4R,5S,6S)-4-methoxy-4,6-dimethyl-5-(3-methylbutoxy)oxan-2-yl]oxy-6-methyloxan-2-yl]oxy-5-methoxy-9,16-dimethyl-2,10-dioxo-7-(2-oxoethyl)-1-oxacyclohexadeca-11,13-dien-4-yl] propanoate