Preparation of Modified Electrode and Chiral Recognition Properties of PAEK Macrocyclic Oligomer Bearing 1,1′-Bi-2-naphthyl Moiety

Abstract

Abstract:

Modified electrode of poly(aryl ether ketone) macrocyclic oligomer containing 1,1′-bi-2-naphthyl moiety was successfully prepared, which was used to recognize chiral supramolecules that were derived from tryptophan and tungstophosphoric acid(D, L, DL-H₃Trp₂-[PW₁₂O₄₀]/GC in 1.0 mol/L H₂SO₄) by the cyclic voltammogram method. By means of vibrational circular dichroism spectroscopy, we found that different solvents treatment could alter the plane angle of the two naphthyl groups(i.e., dihedral angle) of S-PENEKC. Therefore, the selectivity of chiral recognition based on S-PENEKC could be achieved by different solvents treatment, which was approved by the results from electrochemical experiments.

Key words: Modified electrode, Chiral recognize, Binaphthyl rigid cyclic oligomer, Chiral supramolecule

TrendMD:

YANG Li-Guo, JIN Hai-Yan, WANG Yong-Guo, CUI Yan, CAO Hui, BEN Teng*, ....... Preparation of Modified Electrode and Chiral Recognition Properties of PAEK Macrocyclic Oligomer Bearing 1,1′-Bi-2-naphthyl Moiety[J]. Chem. J. Chinese Universities, 2009, 30(6): 1235.

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