GB9524157D0 — Therapeutic agents
Assigned to Pfizer Ltd Great Britain · Expires 1996-01-24 · 30y expired
What this patent protects
PCT No. PCT/EP96/05000 Sec. 371 Date May 15, 1998 Sec. 102(e) Date May 15, 1998 PCT Filed Nov. 11, 1996 PCT Pub. No. WO97/19942 PCT Pub. Date Jun. 5, 1997Compounds of formula (I) and salts thereof, wherein: R1 is C1-C6 alkyl, C3-C7 cycloalkyl, C3-C7 cycloalkyl(C1-C4)alky aryl or …
USPTO Abstract
PCT No. PCT/EP96/05000 Sec. 371 Date May 15, 1998 Sec. 102(e) Date May 15, 1998 PCT Filed Nov. 11, 1996 PCT Pub. No. WO97/19942 PCT Pub. Date Jun. 5, 1997Compounds of formula (I) and salts thereof, wherein: R1 is C1-C6 alkyl, C3-C7 cycloalkyl, C3-C7 cycloalkyl(C1-C4)alky aryl or aryl(C1-C4)alkyl; wherein the C1-C6alkyl group is optionally substituted by fluorine and the C3-C7cycloalkyl or C3-C7cycloalkyl(C1-C4)alkyl group is optionally substituted in the cycloalkyl ring by up to two substituents each independently selected from halo, C1-C4alkoxy or halo(C1-C4)alkoxy; R2 is phenyl optionally substituted with one or two halo substituents or is indolyl, thienyl, benzothienyl or naphthyl; R3 is NH2,-NR4SO2(C1-C6alkyl), -NR4SO2 aryl, -NR4SO2N(R4)2, NR4CO(C1-C6alkyl), -NR4CO aryl or a group or formula (a) wherein W is O, NR5, CH(OH), CHCO2H, CHN(R4)2, CHF, CF2, C=O or CH2; R4 is H or C1-C6 alkyl; R5 is H, C1-C6 alkyl, C3-C7cycloalkyl, C3-C7cycloalkyl(C1-C6)alkyl, C2-C6alkanoyl, C4-C8cycloalkanoly, C3-C7cycloalkyl(C2-C6)alkanoyl, aryl CO-, C1-C6alkylSO2-, (R4)2NSO2-, C3-C7cycloalkylSO2-, C3-C7cycloalkyl(C1-C6)alkyl-SO2-, or arylSO2-; X is CH2 or C=O; m is 0, 1 or 2 with the proviso that m is not O when W is NR5, C=O, or O; and n is an integer of from 1 to 4. These compounds are neurokinin receptor antagonists of utility in the treatment of a variety of medical conditions including urinary incontinence, asthma and related conditions.
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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