Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...
Reexamination Certificate
2005-02-21
2010-12-28
Coleman, Brenda L (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Unsubstituted hydrocarbyl chain between the ring and the -c-...
Reexamination Certificate
active
07858779
ABSTRACT:
Process for preparing oxcarbazepine according to the steps of chlorocarbonylating (a), ammonolysis (b), and deprotecting (c).The invention is characterized by the use of triphosgene as chlorocarbonylating agent in step a).
REFERENCES:
patent: 3642775 (1972-02-01), Schindler
patent: 5808058 (1998-09-01), Milanese
patent: 6340760 (2002-01-01), Bellani et al.
patent: 6399822 (2002-06-01), Eckert et al.
patent: 2003/0032800 (2003-02-01), Fuenfschilling
patent: 2003/0105076 (2003-06-01), Ansari
patent: 2007/0032647 (2007-02-01), Parenky et al.
patent: 1318371 (2003-08-01), None
English language of Hungarian Patent No. HU63389, Aug. 30, 1993, Ferenc Haasz, et al., Procedure prepn. of 5-carbamoyl-10-oxo-10,11,dihydro-5H-dibenz[b,f]azepine.
Heiner, E. et al., “Triphosgene, a Crystalline Phosgene Substitute”, Angew. Chem. Int. Ed. Engl, 26 (1987), No. 9.(Abstract and p. 895).
E. Jon Jacobsen et al.;Piperazine Imidazo[1,5-a] quinoxaline Ureas as High-Affinity GABAALigands of Dual Functionality1Journal of Medicinal Chemistry, 1999, vol. 42. No. 7 p. 1123-1144.
Lucia Pasquato et al.;Conversion of Bis(trichloromethyl)Carbonate to Phosgene and Reactivity of Triphosgene, Diphosgene, and Phosgenee with methanol1Journal of Organic Chemistry, 2000, vol. 65. p. 8224-8228.
Banfi Aldo
Bollini Deborah
Di Lernia Gianluca
Serra Maurizio
Archimica S.r.l.
Coleman Brenda L
ProPat L.L.C.
LandOfFree
Process for preparing oxcarbazepine 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 preparing oxcarbazepine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing oxcarbazepine will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4189447