Process for preparation of amidine derivatives
US6987187B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Jul 15, 2002 |
| Grant date | Jan 17, 2006 |
| Priority date | — |
| Expiry date | Jul 31, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D491/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for producing amidine derivatives represented by the following reaction scheme, characterized in that the reactions of steps 1 and 3 are conducted in acetonitrile and the reaction of step 2 is conducted in acetone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.