Cyclization method for the synthesis of pyrrolidine derivative compounds
US6861535B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | May 30, 2003 |
| Grant date | Mar 1, 2005 |
| Priority date | — |
| Expiry date | May 30, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D207/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for preparing pyrrolidine derivatives comprising cyclizing a compound of formula (I): in the presence of: a) a catalyst, b) a primary amine and c) a base, in a solvent to obtain pyrrolidine derivative of formula (II) below:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.