(1S,2R,3R,7R,8S,9S,10R,12R,14E,16S)-9-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-10-[(2E)-2-[(1,1-dioxo-1,4-thiazinan-4-yl)imino]ethyl]-3-ethyl-7-hydroxy-2,8,12,16-tetramethyl-4,17-dioxabicyclo[14.1.0]heptadec-14-ene-5,13-dione 、
重氮甲烷 在
palladium diacetate 作用下,
以
四氢呋喃 、
乙醚 为溶剂,
反应 20.0h,
以40%的产率得到(2S,4S,5R,6R,10R,11S,12S,13R,15R)-12-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-13-[(2E)-2-[(1,1-dioxo-1,4-thiazinan-4-yl)imino]ethyl]-6-ethyl-10-hydroxy-2,5,11,15-tetramethyl-3,7-dioxa-18,19-diazatricyclo[15.3.0.02,4]icos-17-ene-8,16-dione