Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-04-18
2006-04-18
Dentz, Bernard (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
07030252
ABSTRACT:
A method for the preparation of citalopram comprising reductive hydrolysis of a compound of Formula (IV)wherein R is a N,N-disubstituted amid group or an optionally substituted 4,5-dihydro-1,3-oxazol-2-yl group, and conversion of the resulting 5-formyl compound to citalopram.
REFERENCES:
patent: 3467675 (1969-09-01), Petersen et al.
patent: 4136193 (1979-01-01), Bogeso et al.
patent: 4650884 (1987-03-01), Bogeso
patent: 4943590 (1990-07-01), Boegesoe et al.
patent: 6020501 (2000-02-01), Massonne et al.
patent: 6028204 (2000-02-01), Massonne et al.
patent: 6162942 (2000-12-01), Rock et al.
patent: 6229026 (2001-05-01), Petersen
patent: 6258842 (2001-07-01), Petersen et al.
patent: 6291689 (2001-09-01), Petersen et al.
patent: 6310222 (2001-10-01), Ikemoto et al.
patent: 6331628 (2001-12-01), Kondo et al.
patent: 6365747 (2002-04-01), Dall' Asta et al.
patent: 6392060 (2002-05-01), Petersen et al.
patent: 6403813 (2002-06-01), Petersen et al.
patent: 6407267 (2002-06-01), Rock et al.
patent: 6426422 (2002-07-01), Petersen et al.
patent: 6433196 (2002-08-01), Ikemoto et al.
patent: 6441201 (2002-08-01), Weber
patent: 6509483 (2003-01-01), Petersen
patent: 2001/0027258 (2001-10-01), Petersen et al.
patent: 2002/0004604 (2002-01-01), Petersen et al.
patent: 2002/0026062 (2002-02-01), Petersen et al.
patent: 2002/0087012 (2002-07-01), Castellin et al.
patent: 2002/0120005 (2002-08-01), Villa et al.
patent: 2002/0128497 (2002-09-01), Bolzonella et al.
patent: 2002/0198391 (2002-12-01), Petersen et al.
patent: 2003/0013895 (2003-01-01), Petersen
patent: 2003/0050484 (2003-03-01), Petersen
patent: 2003/0060640 (2003-03-01), Petersen
patent: 2003/0060641 (2003-03-01), Petersen et al.
patent: 2003/0069304 (2003-04-01), Petersen
patent: 2003/0078442 (2003-04-01), Petersen et al.
patent: 2003/0083508 (2003-05-01), Petersen et al.
patent: 2003/0083509 (2003-05-01), Petersen et al.
patent: 2003/0092761 (2003-05-01), Rock et al.
patent: 2003/0092919 (2003-05-01), Petersen
patent: 0171943 (1986-02-01), None
patent: 0474580 (1992-03-01), None
patent: 1095926 (2001-05-01), None
patent: WO 98/19512 (1998-05-01), None
patent: WO 9819511 (1998-05-01), None
patent: WO 9819513 (1998-05-01), None
patent: WO 9828293 (1998-07-01), None
patent: WO 9930548 (1999-06-01), None
patent: WO0012044 (2000-02-01), None
patent: WO 0011926 (2000-03-01), None
patent: WO 0013648 (2000-03-01), None
patent: WO 0023431 (2000-04-01), None
patent: WO 0039112 (2000-07-01), None
patent: WO 0044738 (2000-08-01), None
patent: WO 01/02383 (2001-01-01), None
patent: WO 01/85712 (2001-11-01), None
patent: WO 03/011278 (2003-02-01), None
Huber, Vincent J. et al., “Preparation of Nitriles from Carboxylic Acids: A New, Synthetically Useful Examples of the Smiles Rearrangement,”Tetrahedron54:9281-9288 (1998).
Buehler, Calvin A. et al.,Survey of Organic Synthesis: 951, New York: Wiley-Interscience (1979).
Harrison et al., Compendium of Organic Synthetic Methods, 1971 pp. 148 and 461.
Levy, L.F., “4-Aminophthalide and Some Derivatives”,J. Chem. Soc.pp. 867-870, (19310.
Tirouflet J., “Phtalide Substitutes en 5”,Bull. Soc. Sci. de Bretagne, 26:35-43 (1951).
Perregaard, Jens et al., “σLigands with Subnanomolar Affinity and Preference for the 02 Binding Site 1.3-(w-Aminoalkyl)-1H-indoles”, J. Med. Chec. 38:1998-2008 (1995).
Bigler et al., “Quantitive structure-activity relationships in a series of selective 5-HT uptake inhibitors”,Eur. J. Med. Chem. 12, 3:289-295 (1997).
Darby & Darby
Dentz Bernard
H. Lundbeck A/S
LandOfFree
Method for the preparation of citalopram does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for the preparation of citalopram, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for the preparation of citalopram will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3537348