Patent · US Expired

Synthesis of 3-iodomethyl cephalosporins

US4703118A · kind A · utility

7Cited by
10References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 8, 1985
Grant dateOct 27, 1987
Priority date
Expiry dateApr 8, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/08
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides a process for preparing a 3-iodomethyl cephalosporin by treating a bis(trialkylsilyl)-7-amino-4-carboxylic acid-3-substituted cephalosporin derivative with a trialkylsilyl iodide derivative.

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