Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Reexamination Certificate
2006-08-29
2006-08-29
Barts, Samuel (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C514S561000
Reexamination Certificate
active
07098362
ABSTRACT:
The present invention relates to new processes for the preparation of gabapentin by the desilylation of a silylated gabapentin or by the silylation-desilylation of an acid addition salt of gabapentin with a silylating agent.
REFERENCES:
patent: 4024175 (1977-05-01), Satzinger et al.
patent: 5319135 (1994-06-01), Jennings et al.
patent: 5362883 (1994-11-01), Jennings et al.
patent: 5693845 (1997-12-01), Jennings et al.
patent: 6528682 (2003-03-01), Bosch Llado et al.
patent: 2003/0009055 (2003-01-01), Velardi et al.
patent: 0 340 677 (1989-11-01), None
patent: 0 414 262 (1991-02-01), None
patent: 0 414 274 (1991-02-01), None
patent: 0 432 504 (1991-06-01), None
patent: 98/28255 (1998-07-01), None
patent: 99/18063 (1999-04-01), None
patent: 00/01660 (2000-01-01), None
patent: 00/64857 (2000-11-01), None
patent: 02/34709 (2002-05-01), None
patent: 02/074727 (2002-09-01), None
patent: 03/070683 (2003-08-01), None
patent: 03/089403 (2003-10-01), None
The Merck Index, Title: Gabapentin, Whitehouse Station, New Jersey, website: https://themerckindex.cambridgesoft.com (Aug. 30, 2005).
Greene et al., “Protective Groups in Organic Synthesis, 2ndEdition”, John Wiley & Sons, Inc., New York, pp. 68-73 and 377 (1991).
Diago Jose
Garcia Rafael
Ludescher Johannes
Rifa Jordi
Barts Samuel
Nagubandi Lalitha
Sandoz AG
Thallemer John D.
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