Problem to be solved: to provide a novel compound having excellent surface active ability, and having alkyl group, sugar and amino acid excellent in biosafety and biodegradability.Compound represented by the following formula. In formula (R), R represents an alkyl group of from 10 to 40, X is a neutral amino acid, O is a monosaccharide or an oligosaccharide containing oxygen, y is an aldoic acid or uronic acid based monosaccharide or one of these monomers X-Y is amide bonded.)Diagram【課題】すぐれた界面活性能を有し、かつ、生体安全性、生分解性にもすぐれたアルキル基、糖及びアミノ酸を有する新規化合物の提供。【解決手段】下記式で表される化合物。(式中、Rは炭素数10~40までのアルキル基、Xは中性アミノ酸、Oは酸素、Yはアルドン酸、又はウロン酸系の単糖、或いはそれら単糖のうちの1つを含む二糖又はオリゴ糖を表し、R-O-Xはエステル結合され、X-Yはアミド結合されている。)【選択図】図1
