1,4-Didodecoxy-2-nitrobenzene | 58853-01-3

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 1,4-Didodecoxy-2-nitrobenzene
• CAS: 58853-01-3
• 化学式: C₃₀H₅₃NO₄
• 分子量: 491.755
• InChiKey: YDKGPNQMXOOKNC-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  13.3
• 重原子数：
  35
• 可旋转键数：
  24
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.8
• 拓扑面积：
  64.3
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  1,4-Didodecoxy-2-nitrobenzene 在 sodium tetrahydroborate 、 tin(II) chloride dihdyrate 、 乙醇 、 硝酸 、 铁粉 、 氯化铵 、 溶剂黄146 、 盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 、 三乙胺 作用下， 以 四氢呋喃 、 甲醇 、 氯仿 、 乙酸乙酯 为溶剂， 反应 33.25h， 生成 N-(4-amino-2,5-bis(dodecyloxy)phenyl)-2-(((3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl)oxy)acetamide
  参考文献：
  名称：

  Hydrogen bonded arylamide-linked cholesteryl dimesogenic liquid crystals: a study of the length and side chain effects

  摘要：

  Dimesogenic compounds 1a-c, 2a-i, and 3, that are composed of a hydrogen bonding-induced straight arylamide spacer and two appended cholesterol groups, have been designed and synthesized. The backbones of the rigid spacers of 1a-c, 2a-i, and 3 contain one, three, and five benzene units, which bear two, six, and ten alkoxyl (methoxyl, n-octoxyl, or n-dodecoxyl) groups, respectively. The thermal and optical properties of the compounds are investigated by using the differential scanning calorimetry (DSC), polarizing optical microscopy (POM), and powder X-ray diffraction (PXRD) analysis. It is revealed that la c exhibit one or two liquid crystalline (LC) phases, 2a-i exhibit no, one or two LC phases, while 3 exhibits one LC phase in a wide temperature range. Generally, the more and longer alkoxyl chains facilitate the formation of the LC phases at low temperature. Notably, compound 2g, which bears two methoxyl and four dodecoxyl groups, displays a blue-red color change during both the heating and cooling cycle. The result illustrates that dimesogens with large rigid spacers can exhibit different LC phases when long aliphatic chains are appended to balance the strong stacking of the rigid backbones. (C) 2010 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tet.2010.11.046
• 作为产物：
  描述：

  1,4-二(十二烷氧基)苯 在 硝酸 、 溶剂黄146 作用下， 以 二氯甲烷 为溶剂， 反应 2.0h， 以96%的产率得到1,4-Didodecoxy-2-nitrobenzene
  参考文献：
  名称：

  Hydrogen bonded arylamide-linked cholesteryl dimesogenic liquid crystals: a study of the length and side chain effects

  摘要：

  Dimesogenic compounds 1a-c, 2a-i, and 3, that are composed of a hydrogen bonding-induced straight arylamide spacer and two appended cholesterol groups, have been designed and synthesized. The backbones of the rigid spacers of 1a-c, 2a-i, and 3 contain one, three, and five benzene units, which bear two, six, and ten alkoxyl (methoxyl, n-octoxyl, or n-dodecoxyl) groups, respectively. The thermal and optical properties of the compounds are investigated by using the differential scanning calorimetry (DSC), polarizing optical microscopy (POM), and powder X-ray diffraction (PXRD) analysis. It is revealed that la c exhibit one or two liquid crystalline (LC) phases, 2a-i exhibit no, one or two LC phases, while 3 exhibits one LC phase in a wide temperature range. Generally, the more and longer alkoxyl chains facilitate the formation of the LC phases at low temperature. Notably, compound 2g, which bears two methoxyl and four dodecoxyl groups, displays a blue-red color change during both the heating and cooling cycle. The result illustrates that dimesogens with large rigid spacers can exhibit different LC phases when long aliphatic chains are appended to balance the strong stacking of the rigid backbones. (C) 2010 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tet.2010.11.046

文献信息

• Hydrogen bonded arylamide-linked cholesteryl dimesogenic liquid crystals: a study of the length and side chain effects
  作者：Gui-Tao Wang、Xin Zhao、Zhan-Ting Li

  DOI：10.1016/j.tet.2010.11.046

  日期：2011.1

  Dimesogenic compounds 1a-c, 2a-i, and 3, that are composed of a hydrogen bonding-induced straight arylamide spacer and two appended cholesterol groups, have been designed and synthesized. The backbones of the rigid spacers of 1a-c, 2a-i, and 3 contain one, three, and five benzene units, which bear two, six, and ten alkoxyl (methoxyl, n-octoxyl, or n-dodecoxyl) groups, respectively. The thermal and optical properties of the compounds are investigated by using the differential scanning calorimetry (DSC), polarizing optical microscopy (POM), and powder X-ray diffraction (PXRD) analysis. It is revealed that la c exhibit one or two liquid crystalline (LC) phases, 2a-i exhibit no, one or two LC phases, while 3 exhibits one LC phase in a wide temperature range. Generally, the more and longer alkoxyl chains facilitate the formation of the LC phases at low temperature. Notably, compound 2g, which bears two methoxyl and four dodecoxyl groups, displays a blue-red color change during both the heating and cooling cycle. The result illustrates that dimesogens with large rigid spacers can exhibit different LC phases when long aliphatic chains are appended to balance the strong stacking of the rigid backbones. (C) 2010 Elsevier Ltd. All rights reserved.