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US 2003/0158082 A1Published application
Chemical process
AssigneeSmithKline Beecham Corporation
InventorsDavid Colclough, Anne Hodgson
Life of this patent
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Abstract
A process for the preparation of the compound (1) or an acid addition salt thereof which comprises reacting a compound of formula (II), wherein R is an optionally substituted benzyl group under concomitant reduction and hydrogenolysis conditions, followed, if required, by isolation of the compound as an acid addition salt thereof.
Claims6
A process for the preparation of the compound of formula (I)
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- or an acid addition salt thereof which comprises reacting a compound of formula (II)
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- wherein R is an optionally substituted benzyl group under concomitant reduction and hydrogenolysis conditions, followed, if required, by isolation of the compound as an acid addition salt thereof.
1 more element
Dependencies are inferred from the claim text.