Six new compounds,namely,diacetone glucose monopaImitate,diacetone glucose monostearate,D-glucose monopalmitate,D-glucose monostearate,D-glucose tetraacetate monopalmitate,and D-glucose tetra,acetate monostearate,have been synthesized and some of their properties have been described.Monoesters of glucose and higher fatty acids have been shown to be surfaceactive and possess good emulsifying property.Both D-glucose monopalmitate and monostea.rate exhibit polymorphism a.nd each compound exists in four polymorphic forms.Diacetone glucose monopahnitate,diacetone glucose monostearate,D-glucose tetraacetate monopalmitate,D-glucose tetra,aceta.te monostearate are all low-melting crystalline subst;Lnces,and no polymorphism has been observed among them.