[EN] PROCESS FOR THE PREPARATION OF HETEROCYCLIC ESTER DERIVATIVES<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION DE DÉRIVÉS D'ESTER HÉTÉROCYCLIQUE
申请人:JANSSEN PHARMACEUTICA NV
公开号:WO2014025675A1
公开(公告)日:2014-02-13
The present invention is directed to a process for the preparation of heterocyclic ester derivatives of formula I(The formula I should be inserted here.) wherein A1, SEM, and W1 are as defined herein. Such compounds are useful as intermediates in the synthesis of derivatives useful as protein tyrosine kinase inhibitors, more particularly inhibitors of c-fms kinase.