5ξ-acetoxymethyl-2-(4-chloro-phenyl)-6c,7c-epoxy-8t-methyl-7t-phenyl-(8ar)-tetrahydro-imidazo[1,5-a]pyridine-1,3-dione 在
间氯过氧苯甲酸 作用下,
生成 2-(4-chloro-phenyl)-6
c,7
c-epoxy-5
t-hydroxymethyl-8
t-methyl-7
t-phenyl-(8a
r)-tetrahydro-imidazo[1,5-
a]pyridine-1,3-dione