← Back to Patent Explorer
US3705147A Expired / Lapsed US ⏱️ 0.0 years remaining

3-deazapyrimidine nucleosides and method of preparation thereof

Assignee: University of Utah
•
Filing: 1969-08-22
•
Granted: 1972-12-05
•
Expires: 1989-08-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract NOVEL COMPOUNDS COMPRISING 3-DEAZAPYRIMIDINE NUCLEOSIDES WERE SYNTHESIZED FORM 2,4-SUBSTITUTED PYRIDINE COMPOUNDS BY CONDENSATION WITH 2,3,5-TRI-O-BENZOYL-D-RIBOFURANOSYL BROMIDE, OR THE CHLORIDE THEREOF, AND SUBSEQUIENT MODIFICATION TO YIELD THE DESIRED COMPOUNDS. THESE NOVEL NUCLLEOSIDES HAVE THE STRUCTURE 1-(3-R'',3-R",4-(HO-),5-(HOCH2-)TETRAHYDROFUR-2-YL),2-(O=), 4-R-PYRIDINE WHEREIN R IS A GROUP SELECTED FROM THE CLASS CONSISTING OF HYDROXYL AND AMINE AND R'' AND R" ARE SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND HYDROXYL, HAVE BEEN FOUND TO INHIBIT CARCINOMA GROWTH IN ANIMAL TISSUE. IN PARTICULAR, 3-DEAZACYTIDINE AND 3-DEAZAURIDINE HAVE BEEN FOUND ESPECIALLY EFFECTIVE IN INHIBITING EHRLICH ASCEITES CARCINOMA AND LEUKEMIA L-1210 GROWTH IN MICE.

Inventors

  • 👤 Morris J Robins
  • 👤 Bruce L Currie

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 03:31
CPC Classifications
C; C07; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/048

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) 1975-12-05 1976-06-05 1976-12-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-12-05 1980-06-05 1980-12-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-12-05 1984-06-05 1984-12-05 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag