乙醛酸 → 4-羟基扁桃酸

HRID 1111231

反应方程式

HRID 1111231 反应方程式
[C:1]([OH:5])(=[O:4])[CH:2]=[O:3].[C:6]1([OH:12])[CH:11]=[CH:10][CH:9]=[CH:8][CH:7]=1>O>[OH:12][C:6]1[CH:11]=[CH:10][C:9]([CH:2]([OH:3])[C:1]([OH:5])=[O:4])=[CH:8][CH:7]=1

参与物

4

反应物 2

HCID 760乙醛酸2 次HCID 996苯酚

产物 1

HCID 3284-羟基扁桃酸

试剂、催化剂与溶剂 1

HCID 962聚[6-[4-(4-氰基苯基)苯氧基]己基甲基丙烯酸酯]溶剂

实验过程

condensing glyoxylic acid with phenol at a temperature of 15°-80° C. in the absence of a strong mineral base and in the presence of a tertiary amine, said tertiary amine being insoluble or slightly soluble in water and being liquid at ambient temperature, and said glyoxylic acid being in aqueous solution at a concentration greater than 50% by weight, to produce parahydroxymandelic acid, and

后处理

  1. customat ambient temperature

来源与证据

ORD记录
ord-a74aed0fa6184b7ea8d9cd0ab3154f0f
来源数据集
uspto-grants-1990_12
专利号
US04978784

关联笔记

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