Processes for preparing substituted chromanol derivatives
US6096906A · kind A · utility
9Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1999 |
| Grant date | Aug 1, 2000 |
| Priority date | — |
| Expiry date | Mar 5, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F5/025
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to processes for preparing a compound of the formula (X) and the enantiomer of said compound, wherein the benzoic acid moiety is attached at position 6 or 7 of the chroman ring, and R.sup.1, R.sup.2 and R.sup.3 are as defined herein. The invention further relates to intermediates that are useful in the preparation of the compound of formula (X). ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.