3-(substituted methyl)-4-oxa-1-azabicyclo[3.2.0]heptan-7-one derivatives useful as antitumor agents
US5994342A · kind A · utility
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9Claims
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Key dates
| Filing date | Apr 4, 1997 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Apr 4, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention is based on the discovery that certain 3-(substituted methyl)-4-oxa-1-azabicyclo[3.2.0]heptan-7-one derivatives of formula I or a pharmaceutically acceptable salt thereof are useful as antitumor agents against sensitive and resistant tumor cells. ##STR1## Wherein X is NH or O, and R is defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.