21.
    发明专利
    未知

    公开(公告)号:PT1007517E

    公开(公告)日:2004-03-31

    申请号:PT98942099

    申请日:1998-08-18

    Applicant: ABBOTT LAB

    Inventor: ALLEN MICHAEL S

    Abstract: The present invention discloses a process for the preparation of a hydroxymethylthiazole compound having formula 3: The process of the invention comprises reacting a halomethyl thiazole having the formula: with water, at an elevated temperature. Optionally, the reaction can be carried out in the presence of a base, such as sodium carbonate, which can react with any acid formed. In the process of the invention, X is a halogen atom; and R6 is selected from the group consisting of hydrogen, and halogen atoms. The invention also contemplates the preparation of acid addition salts of the hydroxymethylthiazole, compound 3.

Patent Agency Ranking