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US4328344A Expired / Lapsed US ⏱️ 0.0 years remaining

Meta-amino sulfonamido-benzamides

Assignee: Shionogi and Co Ltd
•
Filing: 1980-02-26
•
Granted: 1982-05-04
•
Expires: 2000-02-26
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Abstract

Abstract Meta-sulfonamido-benzamide derivatives of the formula: ##STR1## [wherein R is a hydrogen atom or a lower alkyl, cyano, or lower alkanesulfonyl group; R 1 is a lower alkyl, phenyl, amino, lower alkylamino, di(lower)alkylamino, or C 4 -C 5 alkyleneamino group; R 2 is a hydrogen or halogen atom or a lower alkyl, di(lower)alkylamino, or lower alkoxy group; R 3 is a hydrogen atom or a methyl or methoxy group; R 4 is a hydrogen or halogen atom; R 5 is a lower alkyl, lower alkenyl, C 3 -C 6 cycloalkyl, benzyl, or halogenobenzyl group; and n is 1 or zero] or their acid addition salts, showing pharmacological activity such as anti-emetic or psychotropic activity, are provided via several routes.

Inventors

  • 👤 Ogata Masaru
  • 👤 Hiroshi Matsumoto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:09
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/04; C07D207/10; C07D207/14; C07D207/08; C07D207/09; C07D307/00; C07D307/02; C07D307/04; C07D307/10; C07D307/14

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 40 words
A compound selected from the group consisting of a compound of the formula ##STR22## wherein R 1 is amino, methylamino, t-butylamino, dimethylamino or piperidino, and R 2 is hydrogen, methyl or chlorine, and a pharmaceutically acceptable acid addition salt thereof.
Claim 2
Dependent Claim 40 words
A compound selected from the group consisting of a compound of the formula ##STR22## wherein R 1 is amino, methylamino, t-butylamino, dimethylamino or piperidino, and R 2 is hydrogen, methyl or chlorine, and a pharmaceutically acceptable acid addition salt thereof.
Claim 3
Dependent Claim 8 words
A compound according to claim 1, namely N-(1-ethyl-2-pyrrolidinylmethyl)-2-methoxy-5-dimethylaminosulfonamidobenzamide.
Claim 4
Dependent Claim 8 words
A compound according to claim 1, namely N-(1-ethyl-2-pyrrolidinylmethyl)-2-methoxy-4-methyl-5-dimethylaminosulfonamidobenzamide.
Claim 5
Dependent Claim 8 words
A compound according to claim 1, namely N-(1-ethyl-2-pyrrolidinylmethyl)-2-methoxy-4-methyl-5-t-butylaminosulfonamidobenzamide.
Claim 6
Dependent Claim 8 words
A compound according to claim 1, namely N-(1-ethyl-2-pyrrolidinylmethyl)-2-methoxy-4-methyl-5-aminosulfonamidobenzamide.
Claim 7
Dependent Claim 8 words
A compound according to claim 1, namely N-(1-ethyl-2-pyrrolidinylmethyl)-2-methoxy-4-chloro-5-t-butylaminosulfonamidobenzamide.
Claim 8
Dependent Claim 8 words
A compound according to claim 1, namely N-(1-ethyl-2-pyrrolidinylmethyl)-2-methoxy-4-chloro-5-aminosulfonamidobenzamide.
Claim 9
Dependent Claim 8 words
A compound according to claim 1, namely (N-(1-ethyl-2-pyrrolidinylmethyl)-2-methoxy-4-chloro-5-piperidinosulfonamidobenzamide.
Claim 10
Dependent Claim 8 words
A compound according to claim 1, namely N-(1-ethyl-2-pyrrolidinylmethyl)-2-methoxy-4-5-methylaminosulfonamidobenzamide.
Claim 11
Dependent Claim 8 words
A compound according to claim 1, namely N-(1-ethyl-2-pyrrolidinylmethyl)-2-methoxy-5-t-butylaminosulfonamidobenzamide.
Claim 12
Dependent Claim 8 words
A compound according to claim 1, namely N-(1-ethyl-2-pyrrolidinylmethyl)-2-methoxy-5-aminosulfonamidobenzamide.

References Cited (Backward Citations)

US3342826A Cited
US4071351A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-05-03 1985-11-02 1986-05-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-05-03 1989-11-02 1990-05-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-05-03 1993-11-02 1994-05-04 $7700.00 Window Closed / Lapsed

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