(RS)-2-[3-(3-methylphenyl)ureido]-3-phenylpropanoic acid

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: (RS)-2-[3-(3-methylphenyl)ureido]-3-phenylpropanoic acid
• 英文别名: 2-[(3-methylphenyl)carbamoylamino]-3-phenylpropanoic acid
• 化学式: C₁₇H₁₈N₂O₃
• 分子量: 298.34
• InChiKey: HGWDEINNQMROCA-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  22
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.18
• 拓扑面积：
  78.4
• 氢给体数：
  3
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  (RS)-2-[3-(3-methylphenyl)ureido]-3-phenylpropanoic acid 生成 tert-butyl (RS)-N-{2-[3-(3-methylphenyl)ureido]-3-phenylpropionyl}-N-phenylglycinate
  参考文献：
  名称：

  BOURZAT, JEAN-DOMINIQUE;CAPET, MARC;COTREL, CLAUDE;GUYON, CLAUDE;MANFRE, +

  摘要：

  DOI：
• 作为产物：
  描述：

  异氰酸间甲苯酯 生成 (RS)-2-[3-(3-methylphenyl)ureido]-3-phenylpropanoic acid
  参考文献：
  名称：

  BOURZAT, JEAN-DOMINIQUE;CAPET, MARC;COTREL, CLAUDE;GUYON, CLAUDE;MANFRE, +

  摘要：

  DOI：

文献信息

• N,N'-DIARYLUREA DERIVATIVE, MANUFACTURING METHOD THEREOF, AND THERMOSENSITIVE RECORDING MATERIAL USING SAME
  申请人：SANKO CO., LTD.

  公开号：US20210340099A1

  公开（公告）日：2021-11-04

  The present invention relates to an N,N′-diurea derivative represented by the following general formula (1) and a method for producing the same. In addition, the present invention relates to a thermosensitive recording material in which a thermosensitive recording layer including a basic dye which is colorless or lightly colored at room temperature and a developer capable of developing color upon contact with the basic dye by heating is provided on a base sheet, wherein the developer is the N,N′-diurea derivative represented by the following general formula (1): (wherein R2 is an alkyl group, an aralkyl group, or an aryl group; and A 1 is a hydrogen atom or an alkyl group).

  本发明涉及一种由以下一般式（1）表示的N,N′-二脲衍生物以及其制备方法。此外，本发明涉及一种热敏记录材料，其中在基底纸上提供了一个热敏记录层，该热敏记录层包括在室温下无色或轻染色的碱性染料和一种与碱性染料接触加热后能够显色的显色剂，其中显色剂为以下一般式（1）表示的N,N′-二脲衍生物：（其中R2为烷基、芳基烷基或芳基；A1为氢原子或烷基）。
• N-phenylamides and medicinal products containing them
  申请人：Rhone-Poulenc Sante

  公开号：US05223529A1

  公开（公告）日：1993-06-29

  Compounds of formula: ##STR1## in which R.sub.1 is (a) a phenyl radical or a substituted phenyl radical, (b) a chain --CH(R.sub.8)--COOR.sub.4, (c) a chain --CH.sub.2 --CO--NR.sub.5 R.sub.6 or (d) a phenylalkyl radical, R.sub.2 is a methylene or ethylene radical or a radical --CH(R.sub.7)--, R.sub.3 is a 1- or 2-naphthyl radical, 2- or 3-indolyl or phenylamino radical in which the phenyl ring is optionally substituted on the understanding that, when R.sub.3 is 1- or 2-naphthyl or 2- or 3-indolyl radical, R.sub.7 cannot represent a benzyl, alkylthioalkyl or phenyl radical, as well as, when R.sub.2 is a radical --CH(R.sub.7)--, their racemates and their stereoisomers, and medicinal products containing them.

  式为##STR1##的化合物，其中R.sub.1是(a)苯基或取代苯基，(b)链--CH(R.sub.8)--COOR.sub.4，(c)链--CH.sub.2--CO--NR.sub.5 R.sub.6或(d)苯基烷基基团，R.sub.2是亚甲基或乙烯基或基团--CH(R.sub.7)--，R.sub.3是1-或2-萘基基团，2-或3-吲哚基或苯基氨基基团，其中苯环可选地取代，当R.sub.3是1-或2-萘基或2-或3-吲哚基团时，R.sub.7不能表示苄基、烷基硫代烷基或苯基基团，以及当R.sub.2是基团--CH(R.sub.7)--时，它们的外消旋体和立体异构体，以及含有它们的药物制剂。
• REVERSIBLE THERMOCHROMIC COMPOSITION, REVERSIBLE THERMOCHROMIC MICROCAPSULE PIGMENT COMPRISING SAME, AND WRITING INSTRUMENT USING SAME
  申请人：THE PILOT INK CO., LTD.

  公开号：EP3950068A1

  公开（公告）日：2022-02-09

  [Problems] Provided are a highly marketable reversibly thermochromic composition that provides a black color during color development by using a fluoran derivative having a specific structure as an electron-donating color-developing organic compound, turns colorless during decoloration, and is excellent in contrast between a colored state and a decolored state and a microcapsule pigment encapsulating the same. [Solution] Disclosed are a reversibly thermochromic composition including: (a) a fluoran derivative having a specific structure as an electron-donating color-developing organic compound; (b) an electron-accepting compound; and (c) a reaction medium which reversibly induces an electron transfer reaction between the component (a) and the component (b) in a specific temperature range, and a reversibly thermochromic microcapsule pigment encapsulating the same.

  [问题]提供了一种极具市场前景的可逆热致变色组合物，该组合物通过使用具有特定结构的芴衍生物作为电子捐赠显色有机化合物，在显色过程中提供黑色，在脱色过程中变成无色，并且在有色状态和脱色状态之间具有极佳的对比度，同时还提供了封装该组合物的微胶囊颜料。 [解决方案]本发明公开了一种可逆热变色组合物，包括：（a）具有特定结构的氟烷衍生物，作为电子捐赠显色有机化合物；（b）电子接受化合物；以及（c）反应介质，该介质可在特定温度范围内可逆地诱导组分（a）和组分（b）之间的电子转移反应，以及封装该组合物的可逆热变色微胶囊颜料。
• REVERSIBLY THERMOCHROMIC AQUEOUS INK COMPOSITION FOR WRITING UTENSILS, AND REFILL AND WATER-BASED BALLPOINT PEN EACH INTERNALLY CONTAINING SAME
  申请人：Kabushiki Kaisha Pilot Corporation (also trading as Pilot Corporation)

  公开号：EP3954745A1

  公开（公告）日：2022-02-16

  Provided are a reversibly thermochromic aqueous ink composition having excellent writability and few problems such as aggregation of a colorant, an increase in viscosity of the composition, or a decrease in handwriting density, and a refill or an aqueous ballpoint pen using the reversibly thermochromic aqueous ink composition. A reversibly thermochromic composition is a reversibly thermochromic aqueous ink composition containing a reversibly thermochromic microcapsule pigment encapsulated in a microcapsule formed from an organic resin, an N-vinyl-2-pyrrolidone polymer, glycerin, and water, in which when contents (% by mass) of the reversibly thermochromic microcapsule pigment, the N-vinyl-2-pyrrolidone polymer, and the glycerin with respect to a total mass of the ink composition are PMC, PPVP, and PG, respectively, 0.3 ≤ PMC/(PPVP + PG) ≤ 4, and 0.2 ≤ PPVP/PG ^ 5, and a refill or an aqueous ballpoint pen incorporating the reversibly thermochromic aqueous ink composition.

  本发明提供了一种可逆热致变色水性墨水组合物，该组合物具有极佳的书写性，且很少出现着色剂聚集、组合物粘度增加或书写密度降低等问题，还提供了使用该可逆热致变色水性墨水组合物的笔芯或水性圆珠笔。 可逆热致变色组合物是一种可逆热致变色水性墨水组合物，它包含封装在由有机树脂、N-乙烯基-2-吡咯烷酮聚合物形成的微胶囊中的可逆热致变色微胶囊颜料、甘油和水，其中当可逆热致变色微胶囊颜料、N-乙烯基-2-吡咯烷酮聚合物和甘油相对于油墨组合物总质量的含量（质量百分比）分别为 PMC、PPVP 和 PG 时，0.3 ≤ PMC/(PPVP + PG) ≤ 4，和 0.2 ≤ PPVP/PG ^ 5，以及包含可逆热致变色水性墨水组合物的笔芯或水性圆珠笔。
• DEVELOPER AND THERMOSENSITIVE RECORDING MATERIAL
  申请人：Mitsubishi Chemical Corporation

  公开号：EP4067340A1

  公开（公告）日：2022-10-05

  An object of the present invention is to provide: a developer that can provide a thermosensitive recording material excellent in color development sensitivity and storage stability; and a thermosensitive recording material obtained using the developer. The object is achieved by a developer including a compound represented by the following Formula (1). (In Formula (1), a, A, and L are as follows: a is an integer selected from 1 to 5, A is each independently a fluoro group or a perfluoroalkyl group, and L is any of functional groups represented by the following Formula (2) : wherein in Formula (2), R is a C1-C4 alkyl group, and * represents a binding site to a sulfur atom in Formula (1)).

  本发明的目的是提供：一种能提供显色灵敏度和储存稳定性均优异的热敏记录材料的显影剂；以及一种使用该显影剂获得的热敏记录材料。本发明的目的是通过一种显影剂来实现的，该显影剂包括由下式（1）表示的化合物。 (在式 (1) 中，a、A 和 L 如下：a 是选自 1 至 5 的整数，A 独立地分别是氟基或全氟烷基，L 是下式 (2) 所代表的任何官能团： 其中，在式 (2) 中，R 是 C1-C4 烷基，* 代表与式 (1) 中硫原子的结合位点）。