SYNTHESIS OF MONOETHERS OF SUGAR COMPRISING A LONG ALKYL CHAIN AND USES THEREOF AS A SURFACTANT

摘要

The present invention relates to a process for obtaining a mixture of C4­-C8 and C9-C18 alkyl monoethers of a saccharide, comprising: a) a first step of acetalization or trans-acetalization of a saccharide or a mixture of saccharides by a C4-C8 aliphatic aldehyde or the acetal thereof, b) a consecutive or simultaneous second step of acetalization or trans-acetalization of the product, obtained in a), of the saccharide or of the mixture of saccharides by a C9-C18 aliphatic aldehyde or the acetal thereof, c) a step of catalytic hydrogenolysis of the saccharide acetals obtained, and d) a step of recovery of a mixture of C4-C8 and C9­-C18 alkyl monoethers of a saccharide. The invention also relates to a mixture of C4-C8 and C9­-C18 alkyl monoethers of a saccharide and to the use thereof as a surfactant.