← Back to Patent Explorer
US3766174A Expired / Lapsed US ⏱️ 0.0 years remaining

N-substituted piperidine compounds

Assignee: Tanabe Pharma Corp
•
Filing: 1971-01-07
•
Granted: 1973-10-16
•
Expires: 1991-01-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract N-SUBSTITUTED PIPERIDINE COMPOUNDS OF THE FORMULA: (2-Y2,5-X-PHENYL)-C(=CH-(CH2)2-N<(-(CH2)2-Z-(CH2)2-))- (1,2-PHENYLENE)-Y1 WHEREIN X IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF H, CL, CH3, CF3, OCH3 AND SCH3, EACH OF Y1 AND Y2 IS H OR Y1 AND Y2 COMBINED MAY REPRESENT A MEMBER SELECTED FROM THE GROUP CONSISTING OF -CH2-CH2-, -CH=CH-, -C(CH3)2-, -O- AND -S-, OR THE CARBON ATOMS OF THE BENZENE RINGS TO WHICH Y1 AND Y2 ARE ATTACHED, MAY BE DIRECTLY COMBINED TO FORM A FLUORINE RING, AND Z IS >C(-N(-R1)2)-CO-NH2 IN WHICH -N(R1)2 IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF DIMETHYLAMINO, PIPERIDINO AND >C<(-N(-R2)-CO-A-S-) IN WHICH A IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF -CH2-, -CH2-CH2- AND -CH(CH3)- AND R2 IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF H AND A LOWER ALKYL GROUP OF FROM 1 TO 2 CARBON ATOMS, AND THE METHOD OF PREPARING SAME. THESE COMPOUNDS ARE USEFUL AS PSYCHOTROPIC AGENTS.

Inventors

  • 👤 M Nakanishi
  • 👤 C Tashiro
  • 👤 K Araki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 21:57
CPC Classifications
C; C07; C07D; C07D409/00; C07D409/02; C07D409/06; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/60; C07D211/62; C07D211/66; C07C; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/24

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) 1976-10-15 1977-04-16 1977-10-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-10-15 1981-04-16 1981-10-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-10-15 1985-04-16 1985-10-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag