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Sol-gel derived solid chiral materials and their optical activity

机译：溶胶-凝胶衍生的固体手性材料及其光学活性

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摘要

The chiral organic molecules glucose (C_6H_(12)O_6) and griseofulvin (C_(17)H_(17)ClO_6) were first uniformly incorporated in sol-gel derived materials. The polarity response, absorption spectra and thermal stability were measured and discussed. The DTA results indicated that the C_6H_(12)O_6 and C_(17)H_(17)ClO_6 in gels were stable in air at the temperature lower than 210 and 350℃, respectively. An absorption band at about 1.4 μm due to OH~- existed in the infrared absorption spectra of the gels. The similar behaviors of optical activity for the organic chiral molecules in solutions were hold in solid gels. The specific rotations for C_6H_(12)O_6 and C_(17)H_(17)ClO_6 in gels were -0.95 and -1.45°/cm, corresponding to the chiral parameter 1.55x 10~(-7) and 2.37x 10~(-7), respectively.
机译：首先将手性有机分子葡萄糖（C_6H_（12）O_6）和灰黄霉素（C_（17）H_（17）ClO_6）均匀地掺入溶胶-凝胶衍生的材料中。测量并讨论了极性响应，吸收光谱和热稳定性。 DTA结果表明，凝胶中的C_6H_（12）O_6和C_（17）H_（17）ClO_6分别在温度低于210和350℃的空气中稳定。凝胶的红外吸收光谱中存在由于OH-引起的约1.4μm的吸收带。在固体凝胶中保持溶液中有机手性分子的光学活性的相似行为。凝胶中C_6H_（12）O_6和C_（17）H_（17）ClO_6的比旋度为-0.95和-1.45°/ cm，分别对应于手性参数1.55x 10〜（-7）和2.37x 10〜（ -7）。

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