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Abstract

The invention concerns compounds of formula (I) wherein: A represents R.sub.1 or (O)R.sub.1 where R.sub.1 represents an alkyl group comprising 1 to 30 carbon atoms, linear or branched, saturated or unsaturated, capable of being partly or totally substituted by Hal where Hal represents --Cl,--Br, or --F, and of being interrupted by one or several units selected among --O--,--S--,--C(O)--,--NR.sub.3 C(O)--, --Ph(R.sub.4).sub.n -- and --CH.sub.2 --CH.sub.2 --O).sub.n' --, wherein R.sub.3 represents or --CH.sub.2).sub.n' --CH where n'=0 to 17; R.sub.4 represents, --CH.sub.3,--CH.sub.2 H.sub.5,--C.sub.3 H.sub.7 and n=0 to 4 and n'=1, 2, or 3, or R.sub.1 represents a cyclanic radical with diterpene or triterpene root; and R.sub.2 represents a C.sub.1 -C.sub.11 linear or branched alkyl group. The invention also concerns a method for obtaining said compounds, compositions containing them and their use as surfactant, and in enzymatic processes using a chitinase, in particular N-acetylglucosaminidase.

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First Claim