Pyridobenzoindole derivatives, their preparation and compositions which contain them
US5091388A · kind A · utility
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6Claims
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Key dates
| Filing date | Jun 5, 1990 |
| Grant date | Feb 25, 1992 |
| Priority date | — |
| Expiry date | Jun 5, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New pyridobenzoindole derivatives of general formula (I), in which R is H or alkyl (1 or 2 C), alk is straight or branched alkylene (2 to 4 C), R.sub.1 denotes a hydrogen atom or an alkyl radical (1 or 2 C), R.sub.2 denotes a hydroxy or methoxy radical, and R.sub.3 is methyl or ethyl and their addition salts with acids, useful as antitumor agents. ##STR1##
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