| 143724-48-5

• 分子结构分类: 有机化合物 - 有机氧化合物
• CAS: 143724-48-5
• 化学式: C₈₄H₁₄₅N₃O₂₄
• 分子量: 1581.08
• InChiKey: SGPDSCQHLBBMKR-XHMICOEXSA-N

反应信息

• 作为产物：
  描述：

  己酰氯 、 chitotriose hydrochloride 在 吡啶 作用下， 生成
  参考文献：
  名称：

  Thermotropic Liquid Crystals Based on Chito-Oligosaccharides. 1. Synthesis of Chitobiose Octaalkanoates and Chitotriose Undecaalkanoates and Their Thermal Properties

  摘要：

  This paper deals with the preparation of two series of chito-oligosaccharide derivatives, chitobiose octaalkanoates, and chitotriose undecaalkanoates, in which the amino- and hydroxyl groups were blocked with alkyl pendants of differing lengths via an ester linkage. By differential scanning calorimetry(DSC) and optical microscopic observations, these compounds were found to exhibit an enantiotropic mesophase at temperatures ranging from ca. 50 °C to ca. 200 °C. The texture of the mesophases were similar to those of the discotic columnar liquid crystals formed by the cellobiose and cellotriose equivalents. However, the amido group in the chito-derivatives seems to stabilize the mesophase to an appreciable extent, bringing about higher temperatures and a longer temperature span of the mesophase than those of the cello-equivalents.

  DOI：

  10.1246/bcsj.65.1939