Patent · US Expired

Novel hexahydrobenzopyran derivative and method of preparing the same

US4233226A · kind A · utility

3Cited by
1References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 24, 1979
Grant dateNov 11, 1980
Priority date
Expiry dateAug 24, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D311/74
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

4a,5,6,7,8,8a-Hexahydro-4,7-dimethyl-4H-1-benzopyran of the formula: ##STR1## and a method for preparing the same.

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