Patent · US Expired

Novel hydroxide mediated FK-506 rearrangement process

US4920218A · kind A · utility

8Cited by
0References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 5, 1989
Grant dateApr 24, 1990
Priority date
Expiry dateSep 5, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D498/18
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process is described involving an alkaline rearrangement of FK-506 producing a new decarbonylated 22-membered macrocycle rearrangement derivative of FK-506, i.e. C.9, nor-keto FK-506.

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