6-(Aminomethyl)penicillanic acid 1,1-dioxide esters and intermediates therefor
US4536393A · kind A · utility
4Cited by
12References
17Claims
0Family size
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Key dates
| Filing date | Feb 6, 1984 |
| Grant date | Aug 20, 1985 |
| Priority date | — |
| Expiry date | Feb 6, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D499/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
6-alpha- and 6-beta-(Aminomethyl)penicillanic acid, 1,1-dioxide esters which are hydrolyzable under physiological conditions, particularly those wherein the ester radical is 1H-isobenzofuran-3-on-1-yl or (5-methyl-1,3-dioxol-2-on-4-yl)methyl, and an improved process and intermediates used in their synthesis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.