Method for preparing chiral diphosphines
US6610875B1 · kind B1 · utility
2Cited by
6References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 11, 2001 |
| Grant date | Aug 26, 2003 |
| Priority date | — |
| Expiry date | Dec 11, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/5072
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention concerns a method for preparing a compound of formula (1) wherein: A represents naphthyl or phenyl optionally substituted; and Ar1, Ar2 independently represent a saturated or aromatic carbocyclic group, optionally substituted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.