Aqueous insoluble polymers containing a plurality of diazomethylene groups

US4038469A · kind A · utility

Assignee

• Glaxo Laboratories Limited

Inventors

• Derek Walker · Jamesville, US
• Philip Chapman

Key dates

• Filing date: Jul 30, 1974
• Grant date: Jul 26, 1977
• Expiry date: Jul 30, 1994

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F2810/20
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Novel polymers are provided which carry diazomethylene or hydrazonomethylene groups. Such polymers are of especial use in immobilizing carboxylic acids, such as amino acids, with a view to subsequent chemical transformation of such acids, e.g. peptide synthesis. Alcohols and thiols may also be immobilized using the new polymers. Methods for the preparation of the polymers are provided, starting from a variety of polymer types.