Patent · US Expired

Indole 3-carboxylic acid derivatives

US5344938A · kind A · utility

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Assignee

Inventors

Key dates

Filing dateApr 1, 1993
Grant dateSep 6, 1994
Priority date
Expiry dateApr 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.