Patent · US Expired

Preparation of 4-halo and 6-halomelatonins

US6022980A · kind A · utility

3Cited by
3References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 13, 1999
Grant dateFeb 8, 2000
Priority date
Expiry dateMay 13, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

This invention provides an improved process for the preparation and separation of 4-halo and 6-halomelatonins.

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