Patent · US Expired

Methods for making bis-heterocyclic alkaloids

US6841685B2 · kind B2 · utility

2Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 2001
Grant dateJan 11, 2005
Priority date—
Expiry dateJun 7, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D413/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Methods for making bis-heterocyclic compounds, especially bis-heterocyclic compounds having five and six-membered heterocyclic linkers are described. Also described are methods for making an alpha amino ketone synthon that enables facile syntheses of bisindole compounds, including topsentins and dragmacidins

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