The invention relates to a process for the preparation of Famciclovir, which comprises the preparation of a compound of formula (II)
wherein X is a halogen atom by reaction of a compound of formula (III)
with a compound of formula (VII)
wherein L is a leaving group, in the presence of a catalytic amount of a quaternary ammonium salt, followed by hydrogenation of compound (II) to Famciclovir.
本发明涉及一种制备法马昔洛韦的过程,包括通过将式(III)的化合物与式(VII)的化合物在季
铵盐的催化作用下反应,生成式(II)的化合物,其中X是卤素原子,L是离去基团,然后对化合物(II)进行氢化制备成法马昔洛韦。