(3S,6R)-3-[(3E)-4-fluoro-5-(3-methyl-5-oxo-1,2,4-oxadiazol-4(5H)-yl)-3-pentenyl]-3,6-dihydro-3-methyl-6-(1-methylethyl)-5-phenyl-2H-1,4-oxazin-2-one 在
5% Pd/CaCO3
甲醇 作用下,
反应 2.0h,
以100%的产率得到N-[(2E)-5-[(3S,6R)-3,6-dihydro-3-methyl-6-(1-methylethyl)-2-oxo-5-phenyl-2H-1,4-oxazin-3-yl]-2-fluoro-2-pentenyl]ethanimidamide