Chiral scaffolds and their preparation
US7091355B2 · kind B2 · utility
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24Claims
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Key dates
| Filing date | Dec 21, 2001 |
| Grant date | Aug 15, 2006 |
| Priority date | — |
| Expiry date | Dec 21, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/60
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A crystalline salt according to formula (1): or the opposite enantiomer thereof, wherein X+ is a cation. Such salts are useful in preparing chiral scaffolds, in particular of formulae (a)–(d)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.