Trimethylsilylation of cellulose

Details Trimethylsilylation of cellulose Trimethylsilylation of cellulose

1982-06-21

1983-06-28

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

536 56, C08B 1100

Patent

active

043906923

ABSTRACT:
This invention provides a method for the preparation of trimethylsilyl cellulose ethers. The method comprises reacting cellulose with hexamethyldisilazane in the presence of a small amount of catalyst, wherein the catalyst is acetamide, acetamide and an ammonium halide, N,N-dimethylformamide and an ammonium halide, N,N-dimethylformamide and trimethylsilyl chloride, 2-oxazolidinone and an ammonium halide, or a mixture thereof.

REFERENCES:
patent: 2562955 (1951-08-01), Schuyten et al.
patent: 2782090 (1957-02-01), Robbart
patent: 2824778 (1958-02-01), Robbart
patent: 3393218 (1968-07-01), Wazer et al.
patent: 3418312 (1968-12-01), Klebe
patent: 3418313 (1968-12-01), Klebe
patent: 3432488 (1969-03-01), Finkbeiner et al.
patent: 4337095 (1982-06-01), Leoni et al.

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