CA2557537A1 — Sulfonyloxy derivatives
Assigned to Sankyo Co Ltd · Expires 2005-09-01 · 21y expired
What this patent protects
Compounds useful as intermediates in the synthesis of neurokinin receptor antagonists, that is, compounds represented by the general formula (I): (I) wherein R1 is substituted phenyl; R2 is halogenated phenyl; R3 is substituted phenyl; D is oxygen or methylene; and n is 0 or 1.
USPTO Abstract
Compounds useful as intermediates in the synthesis of neurokinin receptor antagonists, that is, compounds represented by the general formula (I): (I) wherein R1 is substituted phenyl; R2 is halogenated phenyl; R3 is substituted phenyl; D is oxygen or methylene; and n is 0 or 1.
Drugs covered by this patent
- Moizerto (DIFAMILAST) · OTSUKA PHARMACEUTICAL Co., Ltd
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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