IP Library › Granted Patent US 8,796,489
Granted Patent B2
US 8,796,489 · App. 13/599,374 · Granted Aug 5, 2014

Ketobenzofuran derivatives, method for synthesizing same, and intermediates

Inventors: Frédéric Bailly (Paris, FR); Bernard Grimaud (Paris, FR); Irina Malejonock (Paris, FR); Philippe Vayron (Paris, FR)
Assignee: Sanofi
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,796,489
App. No.
13/599,374
Granted
Aug 5, 2014
Kind
B2
Abstract

The present disclosure relates to ketobenzofuran derivatives of the general formula (I): as well as to a method of synthesizing the same by coupling a quinonimine and an enaminone by a Nenitzescu reaction and to the intermediates of the synthesis thereof.

Claims (1)

1. An enaminone chosen from the compounds of following formulae (II′a), (II′b), (II′c) and (II′d):

Assignments (3)
CHANGE OF NAME Recorded Apr 3, 2013
From: SANOFI-AVENTIS
To: SANOFI
Reel/Frame 030144/0195 →
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNMENT RECORDED ON OCTOBER 23, 2012 PREVIOUSLY RECORDED ON REEL 029175 FRAME 0302. ASSIGNOR(S) HEREBY CONFIRMS THE THE ASSIGNEE SHOULD HAVE BEEN SANOFI-AVENTIS.. Recorded Apr 2, 2013
From: BAILLY, FREDERIC; GRIMAUD, BERNARD; MALEJONOCK, IRINA; VAYRON, PHILIPPE
To: SANOFI-AVENTIS
Reel/Frame 030131/0663 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 23, 2012
From: BAILLY, FREDERIC; GRIMAUD, BERNARD; MALEJONOCK, IRINA; VAYRON, PHILIPPE
To: SANOFI
Reel/Frame 029175/0302 →
Priority Claims (1)
FR 10 51510 · Mar 2, 2010 · national
Continuity (2)
Continuation PCTFR2011050420 · Mar 1, 2011
Related Publication 20130012729A1 · Jan 10, 2013