发明授权
US07399856B2 Processes for the preparation of 4-[[4-[[4-(2-cyanoethenyl)-2,6-dimethylphenyl]amino]-2-2pyrimidinyl]amino]benzonitrile 有权
制备4 - [[4 - [[4-(2-氰基乙烯基)-2,6-二甲基苯基]氨基] -2-2嘧啶基]氨基]苄腈的方法

Processes for the preparation of 4-[[4-[[4-(2-cyanoethenyl)-2,6-dimethylphenyl]amino]-2-2pyrimidinyl]amino]benzonitrile
摘要:
Processes for the preparation of 4-[[4-[[4-(2-cyanoethenyl)-2,6-dimethylphenyl]-amino]-2-pyrimidinyl]amino]benzonitrile of formula (I), a N-oxide, a pharmaceutically acceptable acid addition salt, a quaternary amine or a stereochemically isomeric form thereof are provided, said processes comprise: a) reacting 4-(2-cyanoethenyl)-2,6-dimethylbenzenamine with an intermediate of formula (III)  in the presence of a suitable solvent; b) reacting an intermediate of formula (IV)  with acrylonitrile in the presence of a suitable palladium catalyst, a suitable base and a suitable solvent; c) dehydrating the corresponding amide of the compound of formula (I).
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