CA2541928C — Method for the production of amino crotonyl compounds
Assigned to Boehringer Ingelheim International GmbH · Expires 2012-12-11 · 13y expired
What this patent protects
The invention relates to a process for preparing a compound of general formula (VII): (see formula VII) comprising the following synthesis steps: a) reacting a compound of general formula (V) (see formula V) in suitable solvents after corresponding activation with di-(C1-4-…
USPTO Abstract
The invention relates to a process for preparing a compound of general formula (VII): (see formula VII) comprising the following synthesis steps: a) reacting a compound of general formula (V) (see formula V) in suitable solvents after corresponding activation with di-(C1-4-alkyl)-phosphonoacetic acid; and b) reacting the resulting compound of general formula (VI) (see formula VI) with an aldehyde of formula (see formula a) or a corresponding aldehyde equivalent using suitable organic or inorganic bases.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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