Synthesis of 2-Hydroxymethyl-3,5-dimethyl-4-methoxypyridine : A Key Intermediate for Omeprazole
摘要:
A synthesis of 2-hydroxymethyl-3,5-dimethyl-4-methoxypyridine, a key intermediate for the preparation of gastric acid inhibiting compound omeprazole, is described. The procedure consists of preparation of pyrone, pyridone and pyridine derivatives sequentially.
Synthesis of 2-Hydroxymethyl-3,5-dimethyl-4-methoxypyridine : A Key Intermediate for Omeprazole
摘要:
A synthesis of 2-hydroxymethyl-3,5-dimethyl-4-methoxypyridine, a key intermediate for the preparation of gastric acid inhibiting compound omeprazole, is described. The procedure consists of preparation of pyrone, pyridone and pyridine derivatives sequentially.
Novel processes and intermediates are provided according to the general reaction scheme: Formula I, II, III, IV (I), (II), (III), (IV) utilizing a ruthenium catalyst in an oxidative cleavage of the triene 4 whereby an aldehyde may be produced and optionally taken on to a carboxylic acid 5: Formula V (V)
US5616713A
申请人:——
公开号:US5616713A
公开(公告)日:1997-04-01
US5625069A
申请人:——
公开号:US5625069A
公开(公告)日:1997-04-29
US8710249B2
申请人:——
公开号:US8710249B2
公开(公告)日:2014-04-29
Synthesis of 2-Hydroxymethyl-3,5-dimethyl-4-methoxypyridine : A Key Intermediate for Omeprazole
作者:Shan-Yen Chou、Shyh-Fong Chen
DOI:10.3987/com-96-7617
日期:——
A synthesis of 2-hydroxymethyl-3,5-dimethyl-4-methoxypyridine, a key intermediate for the preparation of gastric acid inhibiting compound omeprazole, is described. The procedure consists of preparation of pyrone, pyridone and pyridine derivatives sequentially.