Glyoxylic Acid → (+-)-4-Hydroxymandelic acid

HRID 1111231

반응식

HRID 1111231 반응식
[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

참가 물질

4

반응물 2

HCID 760Glyoxylic Acid2회HCID 996Phenol

생성물 1

HCID 328(+-)-4-Hydroxymandelic acid

시약·촉매·용매 1

HCID 962Water용매

실험 절차

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

후처리

  1. customat ambient temperature

출처 및 근거

ORD 기록
ord-a74aed0fa6184b7ea8d9cd0ab3154f0f
출처 데이터셋
uspto-grants-1990_12
특허 번호
US04978784

연결된 노트

불러오는 중…