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Oxodihydrobenzothiazine-s-dioxides

Assignee: Recordati SA
•
Filing: 1970-05-11
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Granted: 1973-01-23
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Expires: 1990-05-11
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Abstract

Abstract A 3- OR 4-OXO-DIHYDROBENZOLTHIAZINE-S-DIOXIDE OF THE GENERAL FORMULA: X<(-SO2-N(-R)-CO-Y-(1,2-PHENYLENE)-) IN WHICH EITHER X OF Y STAND FOR A SINGLE BOND AND THE OTHER STANDS FOR METHYLENE (CH2) AND R REPRESENTS HYDROGEN OR ALKYL, ALKENYL, PROPARGYL, BENZYL, CARBETHOXY, DIALKYL AMINOALKYL OR CYCLOAMINOALKYL OR A GROUP OF THE FORMULA -CH2-COOR1, IN WHICH R1 REPRESENTS HYDROGEN OR ALKYL, DIALKYLAMINOALKYL OR CYCLOAMINOALKYL, OR R REPRESENTS A GROUP OF THE FORMULA: -CH2-CO-N(-R2)(-R3) IN WHICH R2 AND R3 ARE IDENTICAL OR DIFFERENT AND EACH REPRESENT HYDROGEN, ALKYL OR ALKENYL OR DIALKYLAMINOALKYL OR CYCLOAMINO-ALKYL GROUP OR, TOGETHER WITH THE NITROGEN ATOM TO WHICH THEY ARE ATTACHED, FORM A HETEROCYCLIC AMINO GROUP, OR R REPRESENTS AN UNSUBSTITUTED PHENYL AND OR AOR A CHLORO-SUBSTITUTED OR SULFAMYL-SUBSTITUTED PHENYL AND METHODS FOR THE PREPARATION THEREOF. THESE COMPOUNDS ARE THERAPEUTICALLY ACTIVE PARTICULARLY ON THE CENTRAL NERVOUS SYSTEM, E.G., HYPNOTIC ACTIVITY.

Inventors

  • 👤 I Setnikar
  • 👤 E Massarani
  • 👤 E Sianesi
  • 👤 Re P Da

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 16:37
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/01; C07C309/28; C07C309/57; C07C309/58

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) 1976-01-23 1976-07-24 1977-01-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-01-23 1980-07-24 1981-01-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-01-23 1984-07-24 1985-01-23 $7700.00 Window Closed / Lapsed

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