Synthesis of (S)-(+)-6-hydroxy-2,5,7,8-tetramethylchroman-2-methanol and intermediates therein
US4153614A · kind A · utility
19Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1978 |
| Grant date | May 8, 1979 |
| Priority date | — |
| Expiry date | May 12, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/5456
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process if disclosed for producing (S)-(+)-6-hydroxy-2,4,7,8-tetramethylchroman-2-methanol from either alkyl(R)-2-benzyloxy-3-hydroxy-2-methyl-propionate or (S)-2,2,4-trimethyl-1,3-dioxolan-4-ethanol including intermediates in this synthesis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.