trans-3'-O-acetyl-2',5'-dideoxy-5'-(ethoxycarbonylmethylene)-5-ethyluridine 在
钯 乙醇 作用下,
以
乙醇 为溶剂,
反应 6.0h,
以to give 5.8 g of 3'-O-acetyl-2',5'-dideoxy-5'-(ethoxycarbonylmethyl)-5-ethyluridine in the form of a white solid of melting point 137°-138° C.的产率得到3'-O-acetyl-2',5'-dideoxy-5'-(ethoxycarbonylmethyl)-5-ethyluridine