Process for the carbonylation of an ethylenically...

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Phosphorus or compound containing same

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C560S070000

Reexamination Certificate

active

10505019

ABSTRACT:
A process for the carbonylation of an ethylenically unsaturated compound with carbon monoxide and a co-reactant. The carbonylation reaction is carried out in the presence of a novel catalyst involving:a) a source of a group VIII metal;b)a bidentate diphosphine of formula I,wherein R1represents a bivalent radical that together with the phosphorus atom to which it is attached is an optionally substituted 2-phospha-tricyclo[3.3.1.1{3,7}]- decyl group or a derivative thereof in which one or more of the carbon atoms are replaced by heteroatoms (“2-PA” group); wherein R2and R3independently represent univalent radicals of up to 20 atoms or jointly form a bivalent radical of up to 20 atoms; and wherein A1and A2independently represent optionally substituted alkylene groups and R represents an optionally substituted aromatic group; and,c) a source of anions.

REFERENCES:
patent: 4786443 (1988-11-01), Drent et al.
patent: 6156934 (2000-12-01), Suykerbuyk et al.
patent: 2001/0051745 (2001-12-01), Pearson et al.
patent: 2003/0092935 (2003-05-01), Ahlers
patent: 2005/0090694 (2005-04-01), Drent et al.
patent: 32511 (1964-10-01), None
patent: 1966944 (1975-06-01), None
patent: 10023470 (2001-11-01), None
patent: 10037961 (2002-02-01), None
patent: 98/42717 (1998-10-01), None
patent: 01/28972 (2001-04-01), None
patent: 01/72697 (2001-10-01), None
patent: 01/85662 (2001-11-01), None
International Search Report dated Jun. 24, 2003.
Robert I. Pugh, et al, “Tandem isomerisation-carbonylation catalysis: highly active palladium(ii) catalysts for the selective methoxycarbonylation of internal alkenes to linear esters”, Chemcomm Commun. 2001, pp. 1476-1477.
Ullman's Encyclopedia of Ind. Chem, 5thedition, 1986, vol. A5: “Cancer chemotherapy to ceramic colarants”, pp. 222-223.
Robert Pugh, “Phospha-adamantanes a new class of bulky alkyl phosphine ligands”, (thesis submitted to the University of Bristol, Apr. 2000) pp. 50-76.
Robert Pugh, et al., “Bis(phospha-adamantyl)alkanes: a new class of very bulky diphosphines”, ChemComm, pp. 901-90226 Mar. 1999.
British Thesis by Joanne H. Downing, “Precious Metal Complexes of some novel functionalized secondary and tertiary phosphines”, University of Bristol, Nov. 1992.
U.S. Appl. No. 10/504,913, filed Nov. 8, 2004, Drent et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Process for the carbonylation of an ethylenically... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the carbonylation of an ethylenically..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the carbonylation of an ethylenically... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3785593

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.