Method for the preparation of citalopram comprising reaction of a compound of Formula (IV)
1
wherein R is halogen, or CF
3
—(CF
2
)
n
—SO
2
—, n being 0 to 8, with a cyanide source in the presence of a palladium catalyst and a catalytic amount of C
+
or Zn
2+
, or with Zn(CN)
2
in the presence of a palladium catalyst.
制备
西酞普兰的方法包括在存在
钯催化剂和催化量的C+或Zn2+的情况下,将化合物IV的反应物(其中R为卤素,或
CF3—(
CF2)n—SO2—,n为0至8)与
氰化物源反应,或在存在
钯催化剂的情况下将其与Zn(CN)2反应。