Invention Grant
- Patent Title: Production of 2-methylpyridin-3-ol derivatives
- Patent Title (中): 2-甲基吡啶-3-醇衍生物的生产
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Application No.: US28317072Application Date: 1972-08-23
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Publication No.: US3876649APublication Date: 1975-04-08
- Inventor: BOELL WALTER , KOENIG HORST
- Applicant: BASF AG
- Assignee: Basf Ag
- Current Assignee: Basf Ag
- Priority: DE2143989 1971-09-02
- Main IPC: C07D321/06
- IPC: C07D321/06 ; C07C67/00 ; C07C313/00 ; C07C317/08 ; C07C317/14 ; C07C317/18 ; C07D213/65 ; C07D213/66 ; C07D213/67 ; C07D307/18 ; C07D307/30 ; C07D491/04 ; C07D491/048 ; C07D491/056 ; C07D31/36
Abstract:
Production of 2-methylpyridin-3-ol derivatives including pyridoxine derivatives and pyridoxine (vitamin B.sub.6) itself by reaction of 4-methyloxazole with derivatives of 1,4-disubstituted but-2-en-2-ylsulfones in the manner of a Diels-Alder reaction.
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