Patent · US Expired

Process for the dehalogenation of thiochroman and dihydrobenzothiophene derivatives

US6180797A · kind A · utility

1Cited by
2References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 4, 2000
Grant dateJan 30, 2001
Priority date
Expiry dateApr 4, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D409/06
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

There is provided a process for the dehalogenation of a compound of formula II via the use of a transition metal catalyst and ammonium formate at atmospheric pressure. ##STR1##

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