Patent · US Expired

Indene compounds

US4876345A · kind A · utility

0Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 6, 1988
Grant dateOct 24, 1989
Priority date
Expiry dateJun 6, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D417/12
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention provides an indene compound represented by the following general formula (I): ##STR1## wherein R.sub.1 means a lower alkyl group, R.sub.2 and R.sub.3 denote a lower alkyl group individually or an alkylenedioxy group in combination, and R.sub.4 and R.sub.5 mean individually a substituted or unsubstituted lower alkyl or aryl group or in combination a substituted or unsubstituted piperidino, piperazinyl or homopiperazinyl group together with the adjacent nitrogen atom, with a proviso that not both R.sub.4 and R.sub.5 are a methyl group at the same time.

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