Cis/trans isomerization of 6-(substituted-aryl-ethenyl)-3,4,5,6-tetrahydro-4-hydroxy-2H-pyran-2-one s
US4308378A · kind A · utility
16Cited by
3References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 2, 1980 |
| Grant date | Dec 29, 1981 |
| Priority date | — |
| Expiry date | Sep 2, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F15/006
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Biologically inactive cis-6-(substituted-arylethenyl)-3,4,5,6-tetrahydro-4-hydroxy-2H-pyran-2-on es are isomerized to the corresponding anti-hypercholesterolemic trans-isomers by heating in the presence of a heavy metal salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.