23-Demycinosyldesmycosin derivatives
US4515941A · kind A · utility
5Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1983 |
| Grant date | May 7, 1985 |
| Priority date | — |
| Expiry date | Mar 30, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H17/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel 23-demycinosyldesmycosin derivatives are disclosed of the formula ##STR1## wherein A is oxygen or sulfur, R.sub.1 is optionally substituted phenyl or ##STR2## group, in which R.sub.3 is optionally substituted phenyl and R.sub.4 and R.sub.5 are the same or different and are hydrogen, lower alkyl or optionally substituted phenyl, and R.sub.2 is hydrogen or hydroxyl. The compounds or non-toxic salts thereof are useful as antibiotics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.