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Claims for Patent: 6,063,927

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Claims for Patent: 6,063,927

Title: Paroxetine derivatives
Abstract:Piperidine compounds, processes for preparing them, pharmaceutical compositions comprising them and their use in therapy are disclosed.
Inventor(s): Craig; Andrew Simon (Kent, GB), Jones; Alan David (Kent, GB), O'Keeffe; Deirdre (Surrey, GB), Ward; Neal (East Sussex, GB)
Assignee: SmithKline Beecham plc (Brentford, GB)
Application Number:09/299,060
Patent Claims: 1. Paroxetine methanesulfonate in crystalline form having the following characteristic IR peaks: 1603, 1194, 1045, 946, 830, 601, 554, and 539.+-.4 cm-1.

2. Paroxetine hydrochloride formed by conversion of paroxetine methanesulfonate, as described in claim 1, by contacting said paroxetine methanesulfonate with hydrochloric acid.

3. Paroxetine methanesulfonate in crystalline form having the following characteristic IR peaks: 1603, 1194, 1045, 946, 830, 601, 554, and 539 cm-1.

4. Paroxetine hydrochloride formed by conversion of paroxetine methanesulfonate, as described in claim 1, by contacting said paroxetine methanesulfonate with hydrochloric acid.
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