3-(7-oxo-1-aza-4-oxabicyclo[3.2.0]hept-3-yl)alanine derivative as antitumor agent
US5652234A · kind A · utility
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11Claims
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Key dates
| Filing date | Oct 6, 1995 |
| Grant date | Jul 29, 1997 |
| Priority date | — |
| Expiry date | Oct 6, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to the use of 3-(7-oxo-1-aza-4-oxabicyclo[3.2.0]hept-3-yl)alanine derivatives of formula (I) or a pharmaceutically acceptable salt thereof, as antitumor agents. ##STR1## Wherein R is: hydrogen or COOR.sub.2 wherein R.sub.2 is C.sub.1 -C.sub.3 alkyl group which may be substituted with aryl group. Wherein R.sub.1 is: PA1 hydrogen or C.sub.1 -C.sub.3 alkyl group which may be substituted with one or two aryl groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.