Method of producing 3-O-demethylfortimicin B,4-N-alkylfortimicin B derivatives and related aminoglycoside antibiotics
US4220756A · kind A · utility
2Cited by
1References
6Claims
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Key dates
| Filing date | Mar 29, 1979 |
| Grant date | Sep 2, 1980 |
| Priority date | — |
| Expiry date | Mar 29, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H15/224
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An improved method of 3-O-demethylating fortimicin B or a 4-N-alkylfortimicin B derivative comprising the steps of reacting fortimicin B with lithium in the presence of ethylenediamine and thereafter isolating 3-O-demethylfortimicin B from the reaction mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.