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Sodium Chloride → Ethyl 2-hydroxy-5-[(4-chlorosulfonylphenyl]ethynyl]benzoate

HRID 1464179
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HRID 1464179 반응식
[K].[OH:2][C:3]1[CH:13]=[CH:12][C:11]([C:14]#[C:15][C:16]2[CH:21]=[CH:20][C:19]([S:22]([OH:25])(=O)=[O:23])=[CH:18][CH:17]=2)=[CH:10][C:4]=1[C:5]([O:7][CH2:8][CH3:9])=[O:6].CN(C)C=O.S(Cl)([Cl:33])=O.[Cl-].[Na+]>C1(C)C=CC=CC=1>[OH:2][C:3]1[CH:13]=[CH:12][C:11]([C:14]#[C:15][C:16]2[CH:21]=[CH:20][C:19]([S:22]([Cl:33])(=[O:25])=[O:23])=[CH:18][CH:17]=2)=[CH:10][C:4]=1[C:5]([O:7][CH2:8][CH3:9])=[O:6]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 5234Sodium ChlorideHCID 6228DimethylformamideHCID 24386Thionyl ChlorideHCID 86747767Ethyl 2-hydroxy-5-[(4-sulfophenyl]ethynyl]benzoate potassium salt

생성물 1

HCID 19423376Ethyl 2-hydroxy-5-[(4-chlorosulfonylphenyl]ethynyl]benzoate

시약·촉매·용매 1

HCID 1140
Toluene
용매

실험 절차

Ethyl 2-hydroxy-5-[(4-sulfophenyl]ethynyl]benzoate potassium salt (19 g, 50 mmol) was suspended in toluene (100 ml). Dimethylformamide (1 ml) and thionyl chloride (12 g) were added and the suspension was refluxed for 1 h. The reaction mixture was added to a nearly saturated sodium chloride solution and the precipitated oil was extracted with toluene. The solution was dried and taken to dryness. The product was sufficiently pure for the next step. Yield 16 g, 88%.

후처리

  1. temperaturethe suspension was refluxed for 1 h
  2. extractionthe precipitated oil was extracted with toluene
  3. customThe solution was dried

출처 및 근거

ORD 기록
ord-a74e8a3f83084500b58a1755a1dc608e
출처 데이터셋
uspto-grants-1994_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05302718

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