Asymmetric cycloaddition reactions
US6369223B2 · kind B2 · utility
1Cited by
3References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2001 |
| Grant date | Apr 9, 2002 |
| Priority date | — |
| Expiry date | Jan 4, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D309/32
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for stereoselective cycloaddition reactions which generally comprises a cycloaddition reaction between a pair of substrates, each either chiral or prochiral, that contain reactive &pgr;-systems, in the presence of a non-racemic chiral catalyst, to produce a stereoisomerically enriched product. The present invention also relates to novel asymmetric catalyst complexes comprising a metal and an asymmetric tridentate ligand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.