Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Reexamination Certificate
2007-01-10
2010-06-22
Wax, Robert A (Department: 1615)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
Reexamination Certificate
active
07741477
ABSTRACT:
The present invention relates to a process for the purification of Sucralose of formula (I) which comprises acetylation of substantially impure Sucralose to its penultimate intermediate 4,1′,6′-trichloro-4,1′,6′-trideoxy galactosucrose penta-acetate (TOPSA) of formula (VI) followed by purification of TOPSA and then deacetylation of purified TOPSA.
REFERENCES:
patent: 4362869 (1982-12-01), Jenner et al.
patent: 4380476 (1983-04-01), Mufti et al.
patent: 4783526 (1988-11-01), O'Brien et al.
patent: 4801700 (1989-01-01), Tully et al.
patent: 4977254 (1990-12-01), Homer et al.
patent: 4980463 (1990-12-01), Walkup et al.
patent: 4981698 (1991-01-01), Cherukuri et al.
patent: 5034551 (1991-07-01), Vernon et al.
patent: 5141860 (1992-08-01), Bornemann et al.
patent: 5270460 (1993-12-01), Dordick et al.
patent: 5498709 (1996-03-01), Navia et al.
patent: 6809198 (2004-10-01), El Kabbani et al.
patent: 2003/0171574 (2003-09-01), Catani et al.
patent: 2003/0171575 (2003-09-01), Catani et al.
patent: 2 224 504 (1990-05-01), None
patent: WO 2005/090374 (2005-09-01), None
Deshpande Pandurang Balwant
Luthra Parven Kumar
Patel Jigar Kamleshbhai
Rana Piyush Maheshbhai
Tomer Sanjiv Onkarsingh
Alembic Limited
Hamre Schumann Mueller & Larson P.C.
Palenik Jeffrey T
Wax Robert A
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