Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume 74, Issue 15, Pages 5390-5394Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jo900894q
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- Tokuyania Science Foundation
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C-3-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., CH2Cl2, 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 I and CHCl3 or 1,1,2, 2-tetrachloroethane gave gets 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(NO3)(3).
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