CA2405745A1 — New betamimetics having a long-lasting activity, processes for preparingthem and their use as medicaments
Assigned to Boehringer Ingelheim Pharma GmbH and Co KG · Expires 2001-11-08 · 25y expired
What this patent protects
The invention relates to betamimetics of the general formula (1), wherein R1 represents a group (a), where R3 represents benzyl which can optionally be substituted by methoxy, R4 represents hydrogen, or R3 and R4 conjointly represent a -CO-CH2-O- bridge, whereby the carbonyl grou…
USPTO Abstract
The invention relates to betamimetics of the general formula (1), wherein R1 represents a group (a), where R3 represents benzyl which can optionally be substituted by methoxy, R4 represents hydrogen, or R3 and R4 conjointly represent a -CO-CH2-O- bridge, whereby the carbonyl group of this bridge is bonded to the nitrogen; R2 represents a group selected from (b) and (c), whereby R5 represents dimethylamino, methoxy or butoxy, X represents a nitrogen or a carbon, R6 represents methoxyphenyl if X is nitrogen, or if X is carbon, an annellated phenyl ring likewise linked to X. The invention also relates to a method for the production of said betamimetics and to their use as medicaments.
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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