Synthesis of a 3,4-dihydroxy-1-cyclopentanylpurinone from a 2,3-unsaturated-1-cyclopentanylpurinone
US5233041A · kind A · utility
7Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1991 |
| Grant date | Aug 3, 1993 |
| Priority date | — |
| Expiry date | Oct 7, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D473/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Synthesis of the triol of formula (I) or its amine-protected derivative from a cyclopentene of the formula (II) or its amine-protected derivative: ##STR1## via steps including oxidation to the aldehyde, migration of the double bond, reduction of the aldehyde moiety back to the alcohol grouping and 1,2-cis-dihydroxylation of the double bond.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.