Process for the production of (+) biotin
US5162540A · kind A · utility
6Cited by
1References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 1991 |
| Grant date | Nov 10, 1992 |
| Priority date | — |
| Expiry date | Oct 17, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D495/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
(3aS,6aR)-[(R)-(1-phenylethyl)-3,4-methoxybenzyl dihydro-1H-furo-[3,4-d]-imidazol-2,4(3H,3aH)-dione and 1H-furo-[3,4-d]-imidazol-2,4-(3H,3aH)-dione derivatives which are useful as intermediates for preparing (+) biotin, also known as vitamin H.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.