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Water → 3-[(4-Chloro-benzyl)-(1-methyl-1H-pyrazole-3-sulfonyl)-amino]-benzoic acid tert-butyl ester

HRID 62812
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HRID 62812 반응식
[C:1]([O:5][C:6](=[O:22])[C:7]1[CH:12]=[CH:11][CH:10]=[C:9]([NH:13][CH2:14][C:15]2[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][CH:16]=2)[CH:8]=1)([CH3:4])([CH3:3])[CH3:2].[CH3:23][N:24]1[CH:28]=[CH:27][C:26]([S:29](Cl)(=[O:31])=[O:30])=[N:25]1.N1C=CC=CC=1.O>ClCCl>[C:1]([O:5][C:6](=[O:22])[C:7]1[CH:12]=[CH:11][CH:10]=[C:9]([N:13]([CH2:14][C:15]2[CH:16]=[CH:17][C:18]([Cl:21])=[CH:19][CH:20]=2)[S:29]([C:26]2[CH:27]=[CH:28][N:24]([CH3:23])[N:25]=2)(=[O:31])=[O:30])[CH:8]=1)([CH3:4])([CH3:2])[CH3:3]
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참가 물질

6

반응물 4

HCID 962WaterHCID 1049PyridineHCID 134744661-Methyl-1H-pyrazole-3-sulfonyl chlorideHCID 673094663-(4-Chloro-benzylamino)-benzoic acid tert-butyl ester

생성물 1

HCID 673195783-[(4-Chloro-benzyl)-(1-methyl-1H-pyrazole-3-sulfonyl)-amino]-benzoic acid tert-butyl ester수율 9.6%

시약·촉매·용매 1

HCID 6344
Dichloromethane
용매

실험 절차

A solution of 3-(4-chloro-benzylamino)-benzoic acid tert-butyl ester (1 g, 0.03 mol), (1-Methyl-1H-Pyrazole-3-sulfonyl chloride (1.13 g, 0.06 mol) and pyridine (0.5 ml, 0.06 mol) in dichloromethane (40 ml) were refluxed for 48 hrs. On cooling, water (50 ml) was added with stirring, the organic layer was separated, dried over magnesium sulfate and concentrated in vacuo. The residue was purified by column chromatography (ethyl acetate/dichloromethane 0% to 10% v/v) to afford the title compound as a clear oil (1.33 g). Mass spectrum (ES+) m/z 49 (M+H).

후처리

  1. temperatureOn cooling
  2. customthe organic layer was separated
  3. dry with materialdried over magnesium sulfate
  4. concentrationconcentrated in vacuo
  5. customThe residue was purified by column chromatography (ethyl acetate/dichloromethane 0% to 10% v/v)

출처 및 근거

ORD 기록
ord-59969923f69d4666a2dca078e795ae33
출처 데이터셋
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09447033B2

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