In an article, author is Burilov, Vladimir, once mentioned the application of 818-61-1, Name is 2-Hydroxyethyl acrylate, molecular formula is C5H8O3, molecular weight is 116.1152, MDL number is MFCD00002865, category is Triazoles. Now introduce a scientific discovery about this category, Recommanded Product: 2-Hydroxyethyl acrylate.
New poly-imidazolium-triazole particles by CuAAC cross-linking of calix[4]arene bis-azide/alkyne amphiphiles – a prospective support for Pd in the Mizoroki-Heck reaction
A new imidazolium amphiphilic calix[4]arene with terminal acetylene fragments in the polar region was synthesized according to a two step scheme including regioselective chloromethylation of distal di-O-butyl calix[4]arene and subsequent interaction with 1-(hex-5-yn-1-yl)-1H-imidazole. The aggregation properties (CAC, the size and zeta potential of aggregates) of alkynyl calix[4]arene as well as of previously synthesized azidopropyl calix[4]arene and their 1 : 1 mixture were disclosed. Macrocycles with azide and alkyne fragments in the polar region were covalently cross-linked under CuAAC conditions in water. Successful cross-linking of molecules has been proven by IR spectroscopy and MALDI-TOF spectrometry. The obtained polymeric particles were studied both in solution and the solid state and the presence of submicron (similar to 200 nm) and micron (similar to 1-5 mu m) particles with the prevalence of the latter was found. The average molecular weight of the polymer according to the static light scattering data was found to be 639 +/- 44 kDa. The obtained polymeric imidazolium-triazole particles were tested as a support for Pd(OAc)(2) in the Mizoroki-Heck reaction carried out in both organic and water media. In both solvents (especially in water) the addition of imidazolium-triazole particles to Pd(OAc)(2) increased the conversion of 4-iodanisole. It was found that the ratio between the products (1,1 and 1,2-substituted ethylenes) changes drastically on going from DMF to water from 1 : 5 to 1 : 40 when using supported Pd(OAc)(2).
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