Certain pyridyl-N-oxide intermediates for the preparation of omeprazole
申请人:Aktiebolaget Hassle
公开号:US04544750A1
公开(公告)日:1985-10-01
Novel compounds of the formula ##STR1## wherein R is H or CH.sub.3, a process for their preparation, and their use as intermediates in the preparation of pharmaceutically useful compounds, e.g. substituted benzimidazoles containing a pyridine radical, i.a. omeprazole.
Processes for the preparation of omeprazole and intermediates therefore
申请人:Aktiebolaget Hassle
公开号:US04620008A1
公开(公告)日:1986-10-28
Novel compounds of the formula ##STR1## wherein R is H or CH.sub.3, a process for their preparation, and their use as intermediates in the preparation of pharmaceutically useful compounds, e.g. substituted benzimidazoles containing a pyridine radical, i.a. omeprazole.