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Chromic Acid → 6,7-Diacetoxychromone-3-carboxylic acid

HRID 67090
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인쇄 미리보기

반응식

HRID 67090 반응식
[C:1]([O:4][C:5]1[CH:6]=[C:7]2[C:12](=[CH:13][C:14]=1[O:15][C:16](=[O:18])[CH3:17])[O:11][CH:10]=[C:9]([CH:19]=[O:20])[C:8]2=[O:21])(=[O:3])[CH3:2].CC(C)=[O:24].OS(O)(=O)=O.O=[Cr](=O)=O.[Cr](O)(O)(=O)=O>CC(C)=O.S(=O)(=O)(O)O.O>[C:1]([O:4][C:5]1[CH:6]=[C:7]2[C:12](=[CH:13][C:14]=1[O:15][C:16](=[O:18])[CH3:17])[O:11][CH:10]=[C:9]([C:19]([OH:24])=[O:20])[C:8]2=[O:21])(=[O:3])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 3

HCID 24425Chromic AcidHCID 122007726,7-Bis-(acetyloxy)-4-oxo-4H-1-benzopyran-3-carboxaldehydeHCID 131709961Jones' reagent

생성물 1

HCID 122007746,7-Diacetoxychromone-3-carboxylic acid

시약·촉매·용매 3

HCID 180Acetone용매HCID 962Water용매
HCID 1118
Sulfuric Acid
용매

실험 절차

6,7-Diacetoxychromone-3-carboxaldehyde (17.8 g) was dissolved in acetone (1 liter). To this solution was added dropwise with stirring Jones reagent (32.8 ml) which had been previously prepared by dissolving chromic acid (133.6 g) in concentrated sulfuric acid (115 ml) diluted with water to a volume of 500 ml.

후처리

  1. customhad been previously prepared

출처 및 근거

ORD 기록
ord-1797cad0a35a4ba999469932486ad23a
출처 데이터셋
uspto-grants-1982_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04344944

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