Process for the preparation of alkyl 2-carboalkoxy-3,4-dialkoxybenzenecarbamates
申请人:ORTHO PHARMACEUTICAL CORPORATION
公开号:EP0210857A1
公开(公告)日:1987-02-04
A process for the preparation of alkyl 2-carboalkoxy-3,4- dialkoxybenzenecarbamates is described. The carbamates are useful intermediates in the preparation of 8-hato-5,6dielkoxyquinazoline-2,4-diones. The diones are useful as cardiotonic agents.