Process for the synthesis of protected esters of (S)-3,4-dihydroxybutyric acid
US5998633A · kind A · utility
41Cited by
1References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 27, 1999 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | Jan 27, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D317/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention is an improved process for the preparation of a compound of formula I wherein R and R.sup.1 are each independently alkyl of from 1 to 3 carbon atoms; and R.sup.2 is alkyl of from 1 to 8 carbon atoms. ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.