← Back to Patent Explorer
US3704245A Expired / Lapsed US ⏱️ 0.0 years remaining

Tricyclic enol ether compounds

Assignee: Individual
•
Filing: 1969-08-15
•
Granted: 1972-11-28
•
Expires: 1989-08-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract TRICYCLIC ENOL ETHER COMPOUNDS OF THE GENERAL FORMULA: X,1,2-(-C(-O-A-N(-R1)-R2)=C-1,2-PHENYLENE-Z-)BENZENE WHEREIN X IS HYDROGEN, HALOGEN, LOWER ALKYL, LOWER ALKOXY, LOWER ALKYLTHIO, DI(LOWER)ALKYLSULFAMOYL, NITRO, CYANO, AMINO OR TRIFLUOROMETHYL; Z IS OXY, THIO OR LOWER ALKYLIMINO; A IS LOWER ALKYLENE; AND R1 AND R2 ARE EACH LOWER ALKYL OR, WHEN BOUND TOGETHER INTERVENING OR NOT OXYGEN, NITROGEN, LOWER ALKYLIMINO, HYDROXY(LOWER)ALKYLIMINO, LOWER ALKOZYCARBONYLIMINO, LOWER ALKOXYCARBONYL (LOWER) ALKYLIMINO, FORMYLIMINO, LOWER ALKANOYLOXY (LOWER) ALKYLIMINO OR LOWER ALKANOYLIMINO, THE GROUP OF THE FORMULA: -N(-R1)-R2 REPRESENTS A SATURATED 5 TO 7-MEMBERED NITROGEN-CONTAINING HETEROCYCLIC GROUP. THESE COMPOUNDS ARE USEFUL AS PSYCHOTROPIC AND NEUTROTROPIC AGENTS, PARTICULARLY AS TRANQUILIZERS.

Inventors

  • 👤 Suminori Umio
  • 👤 Ikuo Ueda
  • 👤 Yoshinari Sato
  • 👤 Shizuo Maeno

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 23:43
CPC Classifications
C; C07; C07D; C07D337/00; C07D337/02; C07D337/06; C07D337/10; C07D337/14; C07D313/00; C07D313/02; C07D313/06; C07D313/10; C07D313/14

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-11-28 1976-05-29 1976-11-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-11-28 1980-05-29 1980-11-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-11-28 1984-05-29 1984-11-28 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag