Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 13433-00-6, Name is Diethyl 2-aminomalonate hydrochloride, molecular formula is C7H14ClNO4. In an article, author is Mahida, Anil K.,once mentioned of 13433-00-6, COA of Formula: C7H14ClNO4.
Synthesis of Fluorescent Diphenylanthracene-Based Calix[4]arene Derivatives and their Complexation with Alkali Metal Cations
Two novel fluorescent calix[4]arenes comprising diphenylanthracene moiety at the lower rim were synthetizedand their complexation with alkali metal cations in acetonitrile/dichloromethane and methanol/dichloromethane mixtures (phi = 0.5) was studied experimentally and by classical molecular dynamics and quantum chemical calculations. The monosubstituted calixarene derivative (L1) proved to be a poor cation receptor, whereas the ester-based macrocycle (L2) exhibited rather high affinity towards lithium, sodium and potassium cations, particularly in MeCN/CH2Cl2. All complexation reactions were enthalpically controlled, whereby the overall stability was the largest in the case of sodium complex. The computational investigations provided an additional insight into the complexation properties and structures of complex species. The molecular dynamics simulations indicated the occurrence of inclusion of solvent molecules in the calixarene hydrophobic cavity of the free and complexed ligand, which was found to significantly affect the complexation equilibria.
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