Patent · US Expired

Cerebral protecting agent

US4826840A · kind A · utility

0Cited by
2References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 19, 1987
Grant dateMay 2, 1989
Priority date
Expiry dateJun 19, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D317/70
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

An indene compound of the general formula (I): ##STR1## in which R.sub.1 represents a lower alkyl group, R.sub.2 represents a hydrogen atom, an aryl group or lower alkyl group, R.sub.3 represents an alkyl group, and n indicates an integer of 2 or 3; or a salt thereof. The compound has very strong ameliorating or improving effects on cerebral circulation and metabolism, and thus is very useful for ameliorating, or suppressing the progress of, disturbances of brain tissues and functions.

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