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US 8,263,780 B2Granted
Process for the preparation of 2-imino-thiazolidin-4-one derivatives
AssigneeActelion Pharmaceuticals Ltd.
InventorsStefan Abele, Martin Bolli, Gunther Schmidt
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Abstract
The present invention relates to a new process for the preparation of 2-imino-thiazolidin-4-one compounds of the Formula (I) and (II) and to compounds of Formula (II) as such. The present compounds of Formula (II) can be used as intermediates in the preparation of thiazolidin-4-one derivatives of the General Formula (II), which thiazolidin-4-one derivatives being described in WO 2005/054215 to act as immunosuppressive agents.
Claims4
A compound of the Formula (II):
- wherein
- R1 represents phenyl which is optionally mono-, di- or tri-substituted wherein the substituents are independently selected from C1-7-alkyl and halogen;
- R2 represents C1-7-alkyl;
- and
- R3 represents hydrogen, hydroxy, C1-7-alkoxy, or halogen.
2 more elements
Dependencies are inferred from the claim text.