Patent · US Expired

1-amino-or nitro-benzyl)indoles useful as intermediates

US4587349A · kind A · utility

0Cited by
4References
6Claims
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Assignee

Inventor

Key dates

Filing dateMar 18, 1985
Grant dateMay 6, 1986
Priority date
Expiry dateMar 18, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D487/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds of the present invention are of the formula (III): ##STR1## wherein R.sup.2 is a substituent as disclosed, R is alkyl and Y is NO.sub.2 or NH.sub.2. The invention compounds are useful as intermediates for tetracyclic benzodiazepines which may be used in treating hypertension.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.