申请人:DSM IP Assets B.V.
公开号:EP3260448A1
公开(公告)日:2017-12-27
The present invention is related to a new process for the preparation of 4-methyloxazole-5-carboxylic ester, which is a valuable intermediate in the synthesis of pyridoxine (vitamin B6). The present invention is also related to a new intermediate for the preparation of 4-methyloxazole-5-carboxylic ester and processes for the preparation thereof.
本发明涉及一种制备 4-甲基恶唑-5-羧酸酯的新工艺,它是合成吡哆醇(维生素 B6)的一种有价值的中间体。本发明还涉及一种制备 4-甲基恶唑-5-羧酸酯的新中间体及其制备工艺。