Aglycons
US4731468A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1984 |
| Grant date | Mar 15, 1988 |
| Priority date | — |
| Expiry date | Aug 29, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H15/252
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to new aglycons which correspond to the general formula: ##STR1## in which: R.sub.1, R.sub.2, R.sub.3 and R.sub.5, which can be identical or different, represent a hydrogen atom or a group OH, OMetal or OR.sub.4, R.sub.4 being a substituted or unsubstituted C.sub.1 to C.sub.6 alkyl group, PA0 R represents a hydrogen atom or a group COCH.sub.2 R', R' being hydrogen or an alkyl, hydroxyl, alkoxy or aryl group, PA0 R.sub.6 and R.sub.7, which are always different, represent either a hydrogen atom or an OH group, and PA0 R.sub.8 represents a hydrogen atom or the group CH.sub.3 CO--. Application to the preparation of antibiotics and antitumoral agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.