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Thiazolo[3,2-a]benzimidazoles, imidazo [2,1-b]thiazoles, and related compounds as antineoplastic agents, and enhancers of the immune response

Assignee: Wyeth LLC
•
Filing: 1978-07-18
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Granted: 1980-07-22
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Expires: 1998-07-18
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Abstract

Abstract The use of 3-aryl-thiazolo[3,2-a]benzimidazoles, 3-aryl-imidazo[2,1-b]thiazoles, and related compounds as antineoplastic agents, and/or as enhancers of the immune response is disclosed.

Inventors

  • 👤 Richard L. Fenichel
  • 👤 Peter H. L. Wei
  • 👤 Francis J. Gregory
  • 👤 Harvey E. Alburn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 01:06
CPC Classifications
C; C07; C07D; C07D513/00; C07D513/02; C07D513/04; C07D233/00; C07D233/54; C07D233/66; C07D233/84

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 32 words
A chemical compound having the structure: ##STR5## wherein R is hydrogen or lower alkyl of from 1 to 4 carbon atoms; and R 1 is chloro; and the pharmaceutically acceptable salts thereof.
Claim 2
Dependent Claim 32 words
A chemical compound having the structure: ##STR5## wherein R is hydrogen or lower alkyl of from 1 to 4 carbon atoms; and R 1 is chloro; and the pharmaceutically acceptable salts thereof.
Claim 3
Dependent Claim 11 words
A compound as defined in claim 1 which is 3-(p-chlorophenyl)-thiazolo[3,2-a]benzimidazole-2-acetic acid.

References Cited (Backward Citations)

US3704239A Cited
US3853872A Cited
US4008245A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-07-22 1984-01-21 1984-07-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-07-22 1988-01-21 1988-07-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-07-22 1992-01-21 1992-07-22 $7700.00 Window Closed / Lapsed

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