Ion complexation-controlled columnar mesophase of calix[4]arene-cholesterol derivatives with Schiff-base bridges
期刊名称：
Tetrahedron Letters
2016 年
57 卷
8 期
摘要：
Two novel calix[4]arene-cholesterol derivatives 7a and 7b with Schiff-base bridges were synthesized in yields of 70-80%. Their structural and conformational characterization had been achieved by NMR, MS, and elemental analysis. Their mesomorphic behaviors were studied by polarizing optical microscopy, differential scanning calorimetry, and X-ray diffraction. They possess mesomorphic properties with the molecular arrangement of the calixarene bowlic column and Schiff-based cholesterol unit as ancillary lateral column. The complexes of 7a and 7b with AgClO
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