Process for the preparation of 4-O-phosphates of dopamine and dopamine derivatives
US5138084A · kind A · utility
14Cited by
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7Claims
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Key dates
| Filing date | Nov 14, 1990 |
| Grant date | Aug 11, 1992 |
| Priority date | — |
| Expiry date | Nov 14, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of 4-O-phosphates of dopamine and dopamine derivatives by treatment of a mixture of both 3-O-phosphate and 4-O-phosphate isomers with a strong mineral acid and optional esterification of the so obtained phosphoric ester of dopamine or dopamine derivatives is described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.