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.
该发明涉及一种用于制备
法昔洛韦的方法,包括制备式(II)化合物,其中X是卤素原子,通过将式(III)化合物与式(VII)化合物在季
铵盐催化剂存在下反应,其中L是一个离去基团,然后将化合物(II)氢化成
法昔洛韦。