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Hydrochloric Acid → 5-amino-1-(3-carboxyphenyl)-1H-pyrazole-4-carboxylic acid

HRID 399844
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인쇄 미리보기

반응식

HRID 399844 반응식
[NH2:1][C:2]1[N:6]([C:7]2[CH:8]=[C:9]([CH:13]=[CH:14][CH:15]=2)[C:10]([OH:12])=[O:11])[N:5]=[CH:4][C:3]=1[C:16]([O:18]CC)=[O:17].[OH-].[Na+].Cl>O>[NH2:1][C:2]1[N:6]([C:7]2[CH:8]=[C:9]([CH:13]=[CH:14][CH:15]=2)[C:10]([OH:12])=[O:11])[N:5]=[CH:4][C:3]=1[C:16]([OH:18])=[O:17]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 167772723-(5-amino-4-(ethoxycarbonyl)-1H-pyrazol-1-yl)benzoic acid

생성물 1

HCID 189453995-amino-1-(3-carboxyphenyl)-1H-pyrazole-4-carboxylic acid수율 96.3%

시약·촉매·용매 1

HCID 962Water용매2회

반응 조건

이 페이지에서참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트
온도
80 °C

실험 절차

The mixture of 3-(5-amino-4-ethoxycarbonylpyrazol-1-yl)benzoic acid (5.9 g) and sodium hydroxide (2.1 g) in water (15 ml) was stirred for 2 hours at 80° C. To the reaction mixture was added water and the mixture was adjusted to pH 3.5 with 6N-hydrochloric acid. The isolated precipitate was collected by filtration washed with water and dried to give 3-(5-amino-4-carboxypyrazol-1-yl)benzoic acid (5.1 g).

후처리

  1. filtrationThe isolated precipitate was collected by filtration
  2. washwashed with water
  3. customdried

출처 및 근거

ORD 기록
ord-043b9028bc4541aebd08b5ad2391d552
출처 데이터셋
uspto-grants-1998_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05824691

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