Prepn. of hydroxamic acid

Application Number: 00108308
Application Date: 2000.05.11
Publication Number: 1274721
Publication Date: 2000.11.29
Priority Information: 1999/5/11 EP 99109431.9
International: C07C259/04;C07D233/72
Applicant(s) Name: F. Hoffmann-La Roche
Inventor(s) Name: Florian Stebler
Patent Agency Code: 11105
Patent Agent: wu xiaonan
Abstract The present invention provides an improved process for preparing an hydroxycarbamoyl derivative of a carboxylic acid using a hydroxylammonium salt of a carboxylic acid as a reagent.