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Thionyl Chloride → 4-Ethoxy-1-(4-fluorophenyl)-2-oxo-1,2-dihydropyridine-3-carbonyl chloride

HRID 1411143
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인쇄 미리보기

반응식

HRID 1411143 반응식
[CH2:1]([O:3][C:4]1[CH:9]=[CH:8][N:7]([C:10]2[CH:15]=[CH:14][C:13]([F:16])=[CH:12][CH:11]=2)[C:6](=[O:17])[C:5]=1[C:18]([OH:20])=O)[CH3:2].O=S(Cl)[Cl:23]>C1(C)C=CC=CC=1.CN(C=O)C>[CH2:1]([O:3][C:4]1[CH:9]=[CH:8][N:7]([C:10]2[CH:15]=[CH:14][C:13]([F:16])=[CH:12][CH:11]=2)[C:6](=[O:17])[C:5]=1[C:18]([Cl:23])=[O:20])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 24386Thionyl ChlorideHCID 585350974-Ethoxy-1-(4-fluorophenyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid

생성물 1

HCID 866675054-Ethoxy-1-(4-fluorophenyl)-2-oxo-1,2-dihydropyridine-3-carbonyl chloride수율 100%

시약·촉매·용매 2

HCID 6228Dimethylformamide촉매HCID 1140Toluene용매

실험 절차

A solution of Example B1 (35 g, 126 mmol) in toluene (400 mL) was treated with SOCl2 (120 g, 1.01 mol) and one drop of DMF, and was heated to reflux for 2 h. The mixture was concentrated in vacuo to afford 4-ethoxy-1-(4-fluoro-phenyl)-2-oxo-1,2-dihydro-pyridine-3-carbonyl chloride (33.5 g, 100% yield). The residue was carried into the next reaction without further purification.

후처리

  1. temperaturewas heated
  2. temperatureto reflux for 2 h
  3. concentrationThe mixture was concentrated in vacuo

출처 및 근거

ORD 기록
ord-5d271e5b63834925924ab1bd9442aa74
출처 데이터셋
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08921565B2

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