Crystalline salts of [3S(Z)]-2[[[1-(2-amino-4-thiazolyl)-2-[[2,2-dimethyl-4-oxo-1-(sulfooxy)- 3-azetidinyl]amino]-2-oxoethylidene]-amino]oxy]acetic acid
US4751220A · kind A · utility
3Cited by
3References
3Claims
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Inventors
Key dates
| Filing date | Dec 19, 1986 |
| Grant date | Jun 14, 1988 |
| Priority date | — |
| Expiry date | Dec 19, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H17/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
In accordance with the present invention an orally active monosulfactam antibiotics having a crystalline structure and thereby improved stability are disclosed. The antibiotics comprise the dierythromycin (M.sup..sym.=erythromycin.H.sup..sym.) salt or the dicholine (M.sup..sym. =HOCH.sub.2 CH.sub.2 N.sup..sym. (CH.sub.3).sub.3) salt of the acid (M.sup..sym. =H.sup..sym.) having the formula ##STR1## that is, [3S(Z)]-2[[[1-(2-amino-4-thiazolyl)-2-[[2,2-dimethyl-4-oxo-1-(sulfooxy)-3- azetidinyl]-amino]-2-oxoethylidene]amino]oxy]acetic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.