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Dichloromethane methanol → 5-Chloro-6-ethyl-3-pyridinecarbaldehyde

HRID 420733
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HRID 420733 반응식
[Cl:1][C:2]1[CH:3]=[C:4]([CH2:10][OH:11])[CH:5]=[N:6][C:7]=1[CH2:8][CH3:9].C(Cl)Cl.CO>C(Cl)Cl.O=[Mn]=O>[Cl:1][C:2]1[CH:3]=[C:4]([CH:10]=[O:11])[CH:5]=[N:6][C:7]=1[CH2:8][CH3:9]
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참가 물질

5

반응물 2

HCID 21226129Dichloromethane methanolHCID 59698822(5-Chloro-6-ethyl-3-pyridinyl)methanol

생성물 1

HCID 580017515-Chloro-6-ethyl-3-pyridinecarbaldehyde수율 51.1%

시약·촉매·용매 2

HCID 14801Manganese dioxide촉매2회HCID 6344Dichloromethane용매

실험 절차

MnO2 (620 mg, 7.13 mmol) was added to a solution of (5-chloro-6-ethyl-3-pyridinyl)methanol (103 mg, 0.600 mmol) in DCM (4 ml) and the mixture was stirred at room temperature overnight. TLC (10% DCM/MeOH) showed starting material remaining. An excess of MnO2 (261 mg, 3.00 mmol) was added. After stirring for 3 h, the reaction went to completion. The resulting suspension was filtered and washed with DCM. The filtrate was concentrated under reduced pressure to give 52 mg of the title compound as colourless oil.

후처리

  1. stirringAfter stirring for 3 h
  2. filtrationThe resulting suspension was filtered
  3. washwashed with DCM
  4. concentrationThe filtrate was concentrated under reduced pressure

출처 및 근거

ORD 기록
ord-657aa11c157843188b904679fa3e189a
출처 데이터셋
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08097628B2

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