Patent · US Expired

Substituted 1,3-dihydrospiro(isobenzofuran)s

US3959475A · kind A · utility

30Cited by
1References
48Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 3, 1974
Grant dateMay 25, 1976
Priority date—
Expiry dateSep 3, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D491/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel substituted 1,3-dihydrospiro[isobenzofuran]s and methods of preparing the same are described. These compounds are useful as antidepressants, tranquilizers, analgetic agents and intermediates therefor.

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