"Homoerythromycin A derivatives modified at the 4""-and 8A-positions"
US5985844A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1992 |
| Grant date | Nov 16, 1999 |
| Priority date | — |
| Expiry date | Mar 26, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H17/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula: ##STR1## where R is hydrogen, hydroxyl, alkyl or acyl, R' and R" together are oxo, hydroxyimino or alkoxyimino, and R' and R" independently are hydrogen, hydroxyl, acyloxy, or amino substituted by any of hydrogen, alkylcarbonyl, arylcarbonyl, aralkylcarbonyl, alkoxycarbonyl, aralkoxycarbonyl, alkylsulfonyl or arylsulfonyl, and n is 0 or 1, and the pharmaceutically acceptable salts thereof. The compounds are macrolide antibiotics and are also useful as intermediates to the synthesis of other macrolide antibiotics. Pharmaceutical compositions and methods of their use are also provided for.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.