Indole 3-carboxylic acid derivatives
US5344938A · kind A · utility
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Key dates
| Filing date | Apr 1, 1993 |
| Grant date | Sep 6, 1994 |
| Priority date | — |
| Expiry date | Apr 1, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An indole derivative represented by formula (I): ##STR1## wherein R.sup.1 is a lower alkoxymethyl group or a formyl group, R.sup.2 is a lower alkyl group, R.sup.3 is a hydrogen atom or a lower alkyl group and R.sup.4 is a hydrogen atom or a lower alkyl group, which is useful as an intermediate for the synthesis of a compound, 5-aziridino-3-hydroxymethyl-l-methyl-2- (1H-indole-4,7-dione)prop-.beta.-ene-.alpha.-ol, which has antitumor activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.