IP Library › Granted Patent US 7,875,734
Granted Patent B2
US 7,875,734 · App. 12/486,158 · Granted Jan 25, 2011

Low pressure carbonylation of heterocycles

Assignee: Cornell Research Foundation, Inc.
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 7,875,734
App. No.
12/486,158
Granted
Jan 25, 2011
Kind
B2
Abstract

Heterocycles, e.g., epoxides, are carbonylated at low pressure with high percentage conversion to cyclic, ring expanded products using the catalyst where L is tetrahydrofuran (THF).

Claims (8)

1. A compound of formula:

2. A compound of formula:

3. A compound of formula:

4. A compound of formula:

5. A compound of formula:

6. A compound of formula:

7. A compound of formula:

8. A compound of formula:

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 17, 2010
From: COATES, GEOFFREY W.; KRAMER, JOHN W.; SCHMIDT, JOSEPH A. R.
To: CORNELL RESEARCH FOUNDATION, INC.
Reel/Frame 024392/0697 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 17, 2010
From: COATES, GEOFFREY W.; KRAMER, JOHN W.; SCHMIDT, JOSEPH A. R.
To: CORNELL RESEARCH FOUNDATION, INC.
Reel/Frame 024396/0653 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 5, 2010
From: COATES, GEOFFREY W.; KRAMER, JOHN
To: CORNELL RESEARCH FOUNDATION, INC.
Reel/Frame 023734/0810 →
Continuity (3)
Division 1170552800 · Feb 13, 2007
Provisional Application 6078088400 · Mar 10, 2006
Related Publication 20090287000A1 · Nov 19, 2009