Process for the production of citalopram

Details Process for the production of citalopram Process for the production of citalopram

2008-04-29

2008-04-29

Owens, Amelia A. (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

10475907

ABSTRACT:
The invention relates to a process for the manufacture of salts of citalopram in high purity. By the careful selection of solvents and the careful manipulation of the pH value, citalopram salts may be isolated in the absence of 5-chlorocitalopram, 5-bromocitalo-pram, desmethyl-citalopram and 5-carobxyamide citalopram.

REFERENCES:
patent: 4136193 (1979-01-01), Bogeso et al.
patent: 2003/0144534 (2003-07-01), Coppi et al.
patent: 0 171 943 (1986-02-01), None
patent: 2356199 (2001-05-01), None
patent: 2357762 (2001-07-01), None
patent: 2 375 763 (2002-11-01), None

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