Glucose- and sophorose-lipids, a process for their preparation a

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

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536 186, 536119, 536120, 5361231, 53612313, 536124, 4352554, C07H 100, C07H 1504, C07H 1304, C07G 300

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057672555

ABSTRACT:
The present invention relates to glucose- and sophorose-lipids of the formula I ##STR1## in which R.sup.4 is --OH or a group of the formula II, ##STR2## n is an integer from 2 to 26, R.sup.1 and R.sup.2 are, independently of one another, H or ##STR3## R.sup.3 is H or --OH in the case where R.sup.4 is --OH, and is H or --OH or a group of the formula III, ##STR4## in the case where R.sup.4 is a group of the formula II, to a process for obtaining them by fermentation, and to their use as surfactants.

REFERENCES:
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Matsumara et al. "Surface Activities, Foam Suppression, Biodegradability and Antimicrobial Properties of .sup.s -Alkyl glucopyranosides", Yukagaku, 40:9 91991) pp. 709-714.
Leontein et al. "Determination of the Absolute Configuration of Sugars by Gas-Liquid Chromatography of Their Acetylated 2-Octyl Glycosides", Methods Carbohydr, Chem., 9:40 (1993) pp. 87-89.
Sigurskjold et al. "Hydrolysis of Substrate Analogues Catalysed by beta-D-Glucosidase from Aspergillus niger. part lll Alkyl and Aryl beta-D-Glucopyranosides" Acta Chem. Scand 46 (1992) pp. 451-458.
Brakemeier et al. "Novel Sophorose Lipids From Microbial Conversion of 2-Alkanols", Biotechnol. Lett., 17:11 (1995) pp. 1183-1188.

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