linked at the 6 6 39 6 6 6 39 6 39 positions or mixtures thereof to the bifunctional acidic reactant are produced in high yields and purity by conducting the reaction with two immiscible solvents the process is conducted generally by dissolving the appropriate amount of sucrose in a slightly alkaline aqueous phase and then adding slowly thereto a bifunctional acidic reactant contained in an organic solvent the type of product to be produced can be controlled as desired by varying reaction conditions such as molar ratios of reactants rates of addition or other reaction conditions as will be described hereinafter the preparation of at least four general types of products are described herein designated as p1 p2 p3 and p4 these products are obtained from the reaction of sucrose with a bifunctional acidic reactant such as dicarboxylic acid dichlorides the reaction is conducted with two immiscible solvents a slightly alkaline water phase containing sucrose and a substantially water immiscible organic phase using preferably halogenated solvents or aromatic solvents such as methylene chloride chloroform carbon tetrachloride aromatic solvents such as benzene toluene or m p or o xylene containing the acid reactant such as an acyl dichloride any organic solvent that is substantially water immiscible and will dissolve the acidic reactant is generally operable in the invention the organic solution containing the acidic reactant is added slowly such as dropwise over various time periods with stirring and maintenance of the ph between 8 and 9 by the addition of an aqueous alkali metal hydroxide such as sodium hydroxide it should be understood that the process for reaction of.