丙酮O-<(乙烯氧基)羰基>肟 、
卡那霉素碱 在
sodium hydroxide 作用下,
以
phosphate buffer 为溶剂,
反应 5.0h,
以37%的产率得到{4-(3,5-dihydroxy-6-hydroxymethyl-4-vinyloxycarbonylamino-tetrahydro-pyran-2-yloxy)-3-hydroxy-2-[3,4,5-trihydroxy-6-(vinyloxycarbonylamino-methyl)-tetrahydro-pyran-2-yloxy]-5-vinyloxycarbonylamino-cyclohexyl}-carbamic acid vinyl ester