Nitric Acid → 1,4,9,10-Anthradiquinone

HRID 2397265

반응식

HRID 2397265 반응식
C[O:2][C:3]1[C:16]2[C:15](=[O:17])[C:14]3[C:9](=[CH:10][CH:11]=[CH:12][CH:13]=3)[C:8](=[O:18])[C:7]=2[C:6]([O:19]C)=[CH:5][CH:4]=1.[N+]([O-])(O)=O>CC(C)=O>[CH:12]1[CH:13]=[C:14]2[C:15]([C:16]3[C:3](=[O:2])[CH:4]=[CH:5][C:6](=[O:19])[C:7]=3[C:8](=[O:18])[C:9]2=[CH:10][CH:11]=1)=[O:17]

참가 물질

4

반응물 2

HCID 944Nitric AcidHCID 2660541,4-Dimethoxyanthraquinone

생성물 1

HCID 1371691,4,9,10-Anthradiquinone

시약·촉매·용매 1

HCID 180Acetone용매

실험 절차

1,4-Dimethoxyanthraquinone (II) (0.596 g, 2 mmole) is dissolved in hot aceton (60 ml) and argentic oxide (1g, 8mmole) was added to this warm solution. Brief sonication forms a uniform dispersal of oxident. The mixture is heated up to boiling on steam bath again and the mixture stirred vigorously with magnetic stirrer. The oxidation is then initiated by the addition of 6N aqueous nitric acid (2 ml). After addition, the mixture is stirred while cooling for an extra 20 minutes and filtered. The residue is washed thoroughly with water and dried under reduced pressure to give quinizarinquinone (III) as a brown solid.

후처리

  1. customBrief sonication forms a uniform dispersal of oxident
  2. temperatureThe mixture is heated up
  3. customto boiling on steam bath
  4. additionAfter addition
  5. stirringthe mixture is stirred
  6. temperaturewhile cooling for an extra 20 minutes
  7. filtrationfiltered
  8. washThe residue is washed thoroughly with water
  9. customdried under reduced pressure

출처 및 근거

ORD 기록
ord-3736570d06de466ea8608aef673c7262
출처 데이터셋
uspto-grants-1977_05
특허 번호
US04021457

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