(2R)-8-methoxy-1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indole] | 1498-89-1

• 物质功能分类: 有机原料 - 螺环化合物
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并吡喃
• 英文名称: (2R)-8-methoxy-1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indole]
• CAS: 1498-89-1
• 化学式: C₂₀H₂₀N₂O₄
• mdl: MFCD00216608
• 分子量: 352.39
• InChiKey: IZDVWQPIYXTGIF-HXUWFJFHSA-N

物化性质

• 熔点：
  159-162 °C(lit.)
• 稳定性/保质期：
  在常温常压下，该物质保持稳定。

计算性质

• 辛醇/水分配系数(LogP)：
  4.7
• 重原子数：
  26
• 可旋转键数：
  1
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.3
• 拓扑面积：
  67.5
• 氢给体数：
  0
• 氢受体数：
  5

安全信息

• 危险品标志：
  Xi
• 安全说明：
  S26,S36
• 危险类别码：
  R36/37/38
• 海关编码：
  2934999090
• WGK Germany：
  3

制备方法与用途

用途：光致变色染料。

反应信息

• 作为产物：
  描述：

  (2S)-8-methoxy-1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indole] 生成 (2R)-8-methoxy-1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indole]
  参考文献：
  名称：

  Correlation equation for the activation free energy of the inversion of configuration in the closed form of indolinospiropyrans

  摘要：

  DOI：

  10.1007/bf01557538

文献信息

• SOLVENT-LESS PROCESS FOR PRODUCING TRANSIENT DOCUMENTS
  申请人：IFTIME GABRIEL

  公开号：US20080044747A1

  公开（公告）日：2008-02-21

  An image forming method including (a) providing a reimageable medium comprised of a substrate and a photochromic material, wherein the medium is capable of exhibiting a color contrast and an absence of the color contrast; (b) exposing the medium to an imaging light corresponding to a predetermined image to result in an exposed region and a non-exposed region, wherein the color contrast is present between the exposed region and the non-exposed region to allow a temporary image corresponding to the predetermined image to be visible for a visible time; (c) subjecting the temporary image to an indoor ambient condition for an image erasing time to change the color contrast to the absence of the color contrast to erase the temporary image without using an image erasure device; and (d) optionally repeating procedures (b) and (c) a number of times to result in the medium undergoing a number of additional cycles of temporary image formation and temporary image erasure, wherein the reimageable medium is prepared by a solvent-less process comprising i) heating and melting a photochromic material and a polymer to form a coating composition, and ii) coating the coating composition onto at least one side of a transient document substrate.
• US7709164B2
  申请人：——

  公开号：US7709164B2

  公开（公告）日：2010-05-04
• Correlation equation for the activation free energy of the inversion of configuration in the closed form of indolinospiropyrans
  作者：N. L. Zaichenko、V. S. Marevtsev、V. D. Arsenov、M. I. Cherkashin

  DOI：10.1007/bf01557538

  日期：1987.7