Process for preparing APG's

Details Process for preparing APG's Process for preparing APG's

1994-03-16

1996-06-18

Robinson, Douglas W.

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

Organic compounds

Carbohydrates or derivatives

536124, 536126, 536127, 5361231, 25217417, C07H 1500, C07H 106, C07H 300, C08B 3700

Patent

active

055278922

ABSTRACT:
An improved method for synthesizing alkylpolyglucosides comprising reacting a glycoside with a long-chain alcohol in the presence of a novel type of catalyst, constituted by an alkali or aryl sulfonic acid, wherein the sulfonic group is sterically hindered. Using these catalysts, a raw product is obtained which is practically free from byproducts. The resulting alkyl polyglucosides are completely biodegradable surfactants and can be used to formulate detergents.

REFERENCES:
patent: 4223129 (1980-09-01), Roth et al.
patent: 4393203 (1983-07-01), Mao et al.
patent: 4713447 (1987-12-01), Letton
patent: 4950743 (1990-08-01), McCurry, Jr. et al.
patent: 5037992 (1991-08-01), Ward et al.
patent: 5266690 (1993-11-01), McCurry, Jr. et al.

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