benzyl 2,4,6-trihydroxybenzoate | 60047-88-3

• 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: benzyl 2,4,6-trihydroxybenzoate
• CAS: 60047-88-3
• 化学式: C₁₄H₁₂O₅
• 分子量: 260.246
• InChiKey: RDMHHMURPNVWQK-UHFFFAOYSA-N

物化性质

• 熔点：
  127-128 °C(Solv: ethanol (64-17-5); water (7732-18-5))
• 沸点：
  464.8±30.0 °C(Predicted)
• 密度：
  1.419±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.8
• 重原子数：
  19
• 可旋转键数：
  4
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.07
• 拓扑面积：
  87
• 氢给体数：
  3
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  benzyl 2,4,6-trihydroxybenzoate 在 磺酰氯 作用下， 以 乙醚 为溶剂， 反应 17.0h， 以93%的产率得到benzyl 3-chloro-2,4,6-trihydroxybenzoate
  参考文献：
  名称：

  A New Synthesis of Xanthones. 2,4,7-Trichloronorlichexanthone and 4,5,7-Trichloronorlichexanthone, Two New Lichen Xanthones

  摘要：

  在关键步骤中，通过对适当取代的副酮进行斯迈尔斯重排，开发出了一种新的去甲黄酮（1,3,6-三羟基-8-甲基-9H-氧杂蒽-9-酮）衍生物的合成路线。用这种方法制备了 2,4,7-三氯orlichexanthone（22）和 4,5,7-三氯orlichexanthone（29）。前一种氧杂蒽酮（22）被证明是地衣 Lecanora sulphurata 和 L. flavo-pallescens 的一种成分，而后一种氧杂蒽酮（29）则是 Micarea austroternaria var.

  DOI：

  10.1071/ch9901745
• 作为产物：
  描述：

  2,4,6-三羟基苯甲酸 、 溴甲苯 在 potassium hydrogencarbonate 作用下， 以 N,N-二甲基乙酰胺 为溶剂， 以74%的产率得到benzyl 2,4,6-trihydroxybenzoate
  参考文献：
  名称：

  A New Synthesis of Xanthones. 2,4,7-Trichloronorlichexanthone and 4,5,7-Trichloronorlichexanthone, Two New Lichen Xanthones

  摘要：

  在关键步骤中，通过对适当取代的副酮进行斯迈尔斯重排，开发出了一种新的去甲黄酮（1,3,6-三羟基-8-甲基-9H-氧杂蒽-9-酮）衍生物的合成路线。用这种方法制备了 2,4,7-三氯orlichexanthone（22）和 4,5,7-三氯orlichexanthone（29）。前一种氧杂蒽酮（22）被证明是地衣 Lecanora sulphurata 和 L. flavo-pallescens 的一种成分，而后一种氧杂蒽酮（29）则是 Micarea austroternaria var.

  DOI：

  10.1071/ch9901745

文献信息

• High-rigidity rubber composition
  申请人：COMPAGNIE GENERALE DES ESTABLISSEMENTS MICHELIN

  公开号：US10544292B2

  公开（公告）日：2020-01-28

  A rubber composition comprises at least one phenol/aldehyde resin based on at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two hydroxyl functions in the meta position relative to one another, the two positions ortho to at least one of the hydroxyl functions being unsubstituted, and at least one aromatic polyaldehyde selected from 1,3-benzenedicarboxaldehyde, 1,4-benzenedicarboxaldehyde and mixtures of these compounds.

  一种橡胶组合物包含至少一种苯酚/甲醛树脂，该树脂基于至少一种芳香族多酚，该多酚包含至少一个芳香环，该芳香环上至少有两个羟基官能团位于彼此相对的元位置，其中至少一个羟基官能团的两个正交位置未被取代，以及至少一种芳香族多醛，该多醛选自 1,3-苯二甲醛、1,4-苯二甲醛和这些化合物的混合物。
• Rubber composition with a high level of fluidity based on an aromatic aldehyde and an aromatic polyphenol
  申请人：COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN

  公开号：US10647848B2

  公开（公告）日：2020-05-12

  A rubber composition comprises at least one phenol-aldehyde resin based on: at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two —O—H groups in the meta position relative to one another, the two positions ortho to at least one of the —O—H groups being unsubstituted; and at least one aldehyde of formula W: wherein each Ar1 and Ar2 group represents, independently of one another, an optionally substituted aromatic ring; and wherein SP is a connecting group that connects at least the Ar1 and Ar2 groups to one another, SP separating the Ar1 and Ar2 groups by at least 2 covalent bonds.

  一种橡胶组合物包含至少一种酚醛树脂，该树脂基于：至少一种芳香族多酚，该多酚包含至少一个芳香环，该芳香环在相对于彼此的元位置上含有至少两个-O-H 基团，其中至少一个-O-H 基团正交的两个位置未被取代；以及至少一种式 W 的醛： 其中每个 Ar1 和 Ar2 基团彼此独立地代表一个任选取代的芳环；SP 是至少将 Ar1 和 Ar2 基团彼此连接的连接基团，SP 通过至少 2 个共价键将 Ar1 和 Ar2 基团分开。
• Aqueous adhesive composition based on polyaldehyde and polyphenol
  申请人：COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN

  公开号：US10767086B2

  公开（公告）日：2020-09-08

  An aqueous adhesive composition includes: a phenol/aldehyde resin and an unsaturated elastomer latex. The phenol/aldehyde resin is based on: an aromatic polyaldehyde bearing at least two aldehyde functional groups and including at least one aromatic nucleus; and a polyphenol including at least one aromatic nucleus. If there is just one aromatic nucleus, the nucleus bears two or three hydroxyl functional groups in a meta position with respect to each other or with respect to one another, with a remainder of the nucleus being unsubstituted. If there are plural aromatic nuclei, at least two of the nuclei each bear two or three hydroxyl functional groups in the meta position with respect to each other or with respect to one another, with two positions ortho to at least one of these hydroxyl functional groups being unsubstituted. The adhesive composition is useable to adhere a textile material to a crosslinkable rubber composition.

  一种水性粘合剂组合物包括：一种酚醛树脂和一种不饱和弹性体胶乳。酚醛树脂基于：至少带有两个醛官能团并包括至少一个芳香族核的芳香族聚醛；以及包括至少一个芳香族核的多酚。如果只有一个芳香族核，则该核带有两个或三个羟基官能团，彼此或相互之间处于偏位，核的其余部分未被取代。如果有多个芳香族核，则至少有两个核各自带有两个或三个羟基官能团，这些羟基官能团相互或彼此位于元位置，其中至少一个羟基官能团的两个正交位置未被取代。该粘合剂组合物可用于将纺织材料粘合到可交联橡胶组合物上。
• Rubber composite reinforced by at least one steel reinforcing element rendered adhesive by an adhesive composition containing aromatic aldehyde and polyphenol
  申请人：COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN

  公开号：US10864774B2

  公开（公告）日：2020-12-15

  The rubber composite comprises a steel reinforcing element coated with an adhesive layer coating at least a portion of the reinforcing element. The adhesive layer comprises an adhesive composition comprising at least one phenol/aldehyde resin based on at least: one aromatic aldehyde and one polyphenol comprising one or more aromatic nucleus/nuclei. The coated steel reinforcing element is embedded in a rubber matrix based on a rubber composition comprising a crosslinking system comprising a content of molecular sulphur ranging from 1 to 5 phr.

  橡胶复合材料包括涂有粘合剂层的钢质增强元件，粘合剂层至少涂有增强元件的一部分。粘合剂层包括一种粘合剂组合物，该组合物包含至少一种苯酚/醛树脂，该树脂至少基于：一种芳香醛和一种包含一个或多个芳香核/核的多酚。涂层钢筋嵌入橡胶基质中，橡胶基质基于一种橡胶组合物，该橡胶组合物包含一种交联体系，该交联体系的分子硫含量为 1 至 5 phr。
• High strength rubber composition
  申请人：COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN

  公开号：US11091580B2

  公开（公告）日：2021-08-17

  A rubber composition comprises at least one resin based on: (A1) at least one aromatic compound resulting from the reaction between a reactant of formula (α): where B represents CHO or CH2OH, (α) and a reactant of formula (β) or and (A2) at least one phenolic compound chosen from: (A21) at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two hydroxyl functional groups in the meta position with respect to one another, the two positions ortho to at least one of the hydroxyl functional groups being unsubstituted; and/or (A22) at least one aromatic monophenol comprising at least one six-membered aromatic ring bearing a single hydroxyl functional group, the two positions ortho to the hydroxyl functional group being unsubstituted or at least one position ortho to and the position para to the hydroxyl functional group being unsubstituted.

  一种橡胶组合物包含至少一种树脂，该树脂基于： (A1) 至少一种芳香族化合物，由式 (α)的反应物反应生成： 其中 B 代表 CHO 或 CH2OH， (α)和式 (β)的反应物或 (A2) 至少一种酚类化合物，选自以下物质(A21) 至少一种芳香族多酚，包括至少一个芳香环，其上至少有两个羟基官能团， 相互位于元位，其中至少一个羟基官能团的两个正交位置未被取代；和/或(A22)至少一种芳香族一苯酚，包括至少一个六元芳香环，带有一个羟基官能团，羟基官能团的两个正交位置未被取代，或羟基官能团的至少一个正交位置和对位位置未被取代。