Method for preparing saccharide monomers comprising at least one

Details Method for preparing saccharide monomers comprising at least one Method for preparing saccharide monomers comprising at least one

1995-01-26

1996-08-06

Kight, III, John

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536116, 536119, 536124, C07H 1302, C07H 100

Patent

active

055435122

ABSTRACT:
The invention concerns a process for preparing saccharide monomers comprising at least one polymerizable acrylate or methacrylate group whereby the saccharide used in the process is selected from mono-, di- and tri-saccharides, in particular from non-reducing mono-, di- and tri-saccharides. The process comprises reacting the saccharide in an aqueous medium with an esterifying reagent containing the polymerizable acrylate or methacrylate group in the presence of a base while maintaining the pH of the reaction medium to a value within the range of 7 to 11 during the entire reaction time. The invention furthermore concerns saccharide monomers comprising at least one polymerizable acrylate or methacrylate group with a controlled degree of substitution.

REFERENCES:
patent: 4328337 (1982-05-01), Kawasaki et al.
patent: 4451629 (1984-05-01), Tanaka et al.
patent: 4465827 (1984-08-01), Kawasaki et al.
patent: 4833202 (1989-05-01), Dunn
patent: 5164492 (1992-11-01), Kitazawa et al.
Journal of the American Chemical Society, vol. 72, No. 3, issued 23 Mar. 1950, Morris Zief, "Unsaturated Esters of Sucrose", pp. 1137-1140.
Gruber, Monatshefte f ur Chemie 112, 273-285 (1981).
Black et al, Die Makromolekulare Chemie 117 (1968) 210-214 (No. 2817).

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