ISSN print edition: 0366-6352 ISSN electronic edition: 1336-9075 Registr. No.: MK SR 9/7 Published monthly

Bromoacetylation of polysaccharides

M. Hassmannová and Ľ. Kuniak

Institute of Chemistry, Slovak Academy of Sciences, 809 33 Bratislava

Abstract:  Preparation of bromoacetyl and acetyl-bromoacetyl derivatives of cellulose and starch is described. The derivatives were prepared by treatment of the suitably activated starting materials (powdered cellulose, and cellulose or starch cross-linked with epichlorohydrin) with bromoacetyl bromide in dioxan or acetic acid. Depending upon the reaction conditions the bromoacetyl and mixed derivatives showed a degree of substitution in the range of DS_bromoacetyl 0.04—0.64 and DS_overall 0.32—1.0, respectively. The prepared derivatives are white, powdered materials suitable for chemical binding of amino acids, proteins, enzymes and the like.

Full paper in Portable Document Format: 301a114.pdf

Chemical Papers 30 (1) 114–123 (1976)