(3S,6E,8R,9S,12E,14R,15S)-14-hydroxy-8-(2-methoxyethoxy)methoxy-3,9,15-trimethyl-10-[2-methyl-3-(2-methyl-4-thiazolyl)allyl]-10-aza-4,16-dioxa-6,12-cyclohexadecadiene-1,5,11-trione 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
以59%的产率得到(4S,7E,9R,10S,13E,15R,16S)-9,15-dihydroxy-4,10,16-trimethyl-11-[(E)-2-methyl-3-(2-methyl-1,3-thiazol-4-yl)prop-2-enyl]-1,5-dioxa-11-azacyclohexadeca-7,13-diene-2,6,12-trione