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US3734922A Expired / Lapsed US ⏱️ 0.0 years remaining

Certain 4h-s-triazolo(4,3-a)(1,4)benzodiazepines

Assignee: Pharmacia and Upjohn Co
•
Filing: 1971-05-11
•
Granted: 1973-05-22
•
Expires: 1991-05-11
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Abstract

Abstract THIS INVENTION RELATES TO NOVEL 4H-S-TRIAZOLO(J,3-A)(1,4)BENZODIAZEPINES EMBRACED BY THE FORMULA DIAZEPINE WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL OF 1 THROUGH 3 CARBON ATOMS, PHENYL, BENZYL, NITROMETHYL, CYANOMETHYL, LOWER ALKOXYMETHYL HAVING AN ALKOXY MOIETY OF 1 THROUGH 3 CARBON ATOMS, LOWER DIALKYLAMINOMETHYL HAVING AN ALKYL MOIETY OF 1 THROUGH 3 CARBON ATOMS, LOWER ALKYLTHIOMETHYL HAVING AN ALKYL MOIETY OF 1 THROUGH 3 CARBON ATOMS, PYRROLIDINOMETHYL, -COO-R'' WHEREIN R'' IS LOWER ALKYL OF 1 THROUGH 3 CARBON ATOMS, R1 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL OF 1 THROUGH 3 CARBON ATOMS, R2 IS SELECTED FROM THE GROUP CONSISTING OF PYRIDYL, 2-PYRIMIDYL, FURYL, PYRRYL, THIENYL, LOWER ALKYL OF 1 THROUGH 3 CARBON ATTOMS, LOWER ALKENYL OF 2 THROUGH 3 CARBON ATOMS, CYCLOALKYL OF 5 THROUGH 7 CARBON ATOMS AND CYCLOALKENYL OF 5 THROUGH 7 CARBON ATOMS, R3 AND R4 ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL OF 1 THROUGH 3 CARBON ATOMS, HALOGEN, NITRO, TRIFLUOROMETHYL AND LOWER ALKOXY, LOWER ALKYLTHIO AND LOWER DIALKYLAMINO WHEREIN THEIR LOWER ALKYL MOIETIES ARE FROM 1 THROUGH 3 CARBON ATOMS, AND PHARMACOLOGICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF. THE NEW PRODUCTS OF FORMULA I ARE USEFUL AS SEDATIVES, HYNOTICS, TRANQUILIZERS, MUSCLE RELAXANTS AND ANTICONVULSANTS IN MAMMALS AND BIRDS. ALSO, AS FEED ADDITIVES FOR INCREASING GROWTH RATE ND FEED EFFICIENCY OF LIVESTOCK.

Inventors

  • 👤 J Hester

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 10:43
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-05-21 1976-11-20 1977-05-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-05-21 1980-11-20 1981-05-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-05-21 1984-11-20 1985-05-22 $7700.00 Window Closed / Lapsed

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