Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-03-28
2006-03-28
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
07019153
ABSTRACT:
The present invention provides a process for decreasing the content of [1-(3-dimethylamino)propyl)]-1-(4-fluorophenyl)-1,3-dihydro-5-halo-isobenzofuran, a compound of formula 1, wherein X is halogen,by converting to a compound of formula 3,comprising subjecting [1-(3-dimethylamino)propyl)]-1-(4-fluorophenyl)-1,3-dihydro-5-halo-isobenzofuran present as impurity in crude 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran carbonitrile to hydrogenolysis.
REFERENCES:
patent: 4136193 (1979-01-01), Bogeso et al.
patent: RE34712 (1994-08-01), Boegesoe et al.
patent: 6455710 (2002-09-01), Villa et al.
patent: 2001/0031784 (2001-10-01), Petersen et al.
patent: 2002/0077353 (2002-06-01), Petersen et al.
patent: 2003/0078442 (2003-04-01), Petersen et al.
patent: 98/19512 (1998-05-01), None
patent: 98/19513 (1998-05-01), None
patent: 99/30548 (1999-06-01), None
patent: 00/11926 (2000-03-01), None
patent: 00/23431 (2000-04-01), None
patent: 01/47877 (2001-07-01), None
patent: 03/029236 (2003-04-01), None
Borase Ashok Punju
Kilaru Srinivasu
Patel Nileshkumar Sureshbhai
Thennati Rajamannar
Dentz Bernard
Merchant & Gould P.C.
Sun Pharmaceutical Industries Limited
LandOfFree
Process for hydrogenolysis of... 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 hydrogenolysis of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for hydrogenolysis of... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3582698