Patent · US Expired

Process for preparing (hetero) aromatic substituted benzene derivatives

US6340772B1 · kind B1 · utility

1Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 24, 2001
Grant dateJan 22, 2002
Priority date
Expiry dateApr 29, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2601/16
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Three processes are described for preparing (hetero)aromatic substituted benzene derivatives which comprise aromatization of cyclohexenone derivatives via (chloro)cyclohexadiene derivatives.

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