Process for producing optically active succinimide derivatives and intermediates thereof
US8633001B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Feb 5, 2010 |
| Grant date | Jan 21, 2014 |
| Priority date | — |
| Expiry date | Mar 9, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/07
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A process for producing optically active succinimide derivatives as key intermediates of (3R)-2′-(4-bromo-2-fluorobenzyl)spiro{pyrrolidine-3,4′(1′H)-pyrrolo[1,2-a]pyrazine}-1′,2,3′,5(2′H)-tetraone, which comprises the following reaction steps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.