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Relevant academic research and scientific papers

Chloroalkane gel formations by tris-urea low molecular weight gelator under various conditions

(Chemical Equation Presented) C3-symmetrical tris-urea low molecular weight gelator 1 was synthesized in three steps from phloroglucin. The gelation ability of 1 in four chloroalkanes, i.e., CH2Cl 2, CHCl3, 1,1,2-trichloroethane, and 1,1,2,2- tetrachloroethane, was investigated under various conditions. Thermal treatment was effective in gelating 1,1,2-trichloroethane. In the presence of equimolar 1 and CuBr2, 1,1, 2-trichloroethane and 1,1,2,2-tetrachloroethane formed gels. Mixtures of 1 and CHCl3 or 1,1,2, 2-tetrachloroethane gave gels after ultrasound irradiation. CH2Cl2 changed into a gel in the presence of equimolar 1 and BiCl3 after sonication. Spherical particles with rough surfaces were found by SEM observation of CHCl3 gel prepared from ultrasound irradiation of 1 and Y(NO 3)3.

UREA COMPOUND, SELF-ASSEMBLY OF UREA COMPOUNDS, ORGANOGEL CONTAINING SELF-ASSEMBLY, AND METHOD FOR PRODUCING ORGANOGEL

A urea compound of the present invention is represented by general formula (1) shown below. [Each of X1, X2 and X3 independently represents a hydrogen atom, an alkyl group or an aryl group. The aryl group may have one or more functional groups selected from the group consisting of halogen groups, alkyl groups and alkoxy groups.]