EP1463716A1 — Pyrrolidine and piperidine derivates as nk1 antagonists
Assigned to Merck Sharp and Dohme LLC · Expires 2004-10-06 · 22y expired
What this patent protects
A NK1 antagonist having the formula (I), wherein Ar?1 and Ar2¿ are optionally substituted phenyl or heteroaryl, X1 is an ether, thio or imino linkage, R?4 and R5¿ are not both H or alkyl, and the remaining variables are as defined in the specification, useful for treating a numbe…
USPTO Abstract
A NK1 antagonist having the formula (I), wherein Ar?1 and Ar2¿ are optionally substituted phenyl or heteroaryl, X1 is an ether, thio or imino linkage, R?4 and R5¿ are not both H or alkyl, and the remaining variables are as defined in the specification, useful for treating a number of disorders, including emesis, depression, anxiety and cough. Pharmaceutical compositions. Methods of treatment and combinations with other agents are also disclosed.
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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