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Ethyl Acetate → 3,3-Dimethyl-2-(3-(phenylsulfonylcarbamoyl)phenyl)-1,2,3,4-tetrahydroquinoline-6-carboxylic acid

HRID 2045548
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반응식

HRID 2045548 반응식
[CH3:1][C:2]1([CH3:34])[CH2:11][C:10]2[C:5](=[CH:6][CH:7]=[C:8]([C:12]([O:14]C)=[O:13])[CH:9]=2)[NH:4][CH:3]1[C:16]1[CH:21]=[CH:20][CH:19]=[C:18]([C:22](=[O:33])[NH:23][S:24]([C:27]2[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=2)(=[O:26])=[O:25])[CH:17]=1.[OH-].[Na+].C(OCC)(=O)C>CO>[CH3:1][C:2]1([CH3:34])[CH2:11][C:10]2[C:5](=[CH:6][CH:7]=[C:8]([C:12]([OH:14])=[O:13])[CH:9]=2)[NH:4][CH:3]1[C:16]1[CH:21]=[CH:20][CH:19]=[C:18]([C:22](=[O:33])[NH:23][S:24]([C:27]2[CH:28]=[CH:29][CH:30]=[CH:31][CH:32]=2)(=[O:26])=[O:25])[CH:17]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 8857Ethyl AcetateHCID 14798Sodium HydroxideHCID 67442244HCID 67442244, 화합물

생성물 1

HCID 584761763,3-Dimethyl-2-(3-(phenylsulfonylcarbamoyl)phenyl)-1,2,3,4-tetrahydroquinoline-6-carboxylic acid수율 50.4%

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

A mixture of methyl 3,3-dimethyl-2-(3-(phenylsulfonylcarbamoyl)phenyl)-1,2,3,4-tetrahydroquinoline-6-carboxylate (250 mg, 0.44 mmol, 1.0 eq.) in methanol (8 mL) and 1N sodium hydroxide aqueous solution (6.6 mL, 6.6 mmol, 15.0 eq.) was heated to reflux for 1 h, Thin layer chromatography (petroleum ether:ethyl acetate=1:1) and LC-MS showed the reaction was completed. The reaction mixture was concentrated under reduced pressure and the residual was acidified with 1 M hydrochloric acid solution to pH=3. The white solid precipitated was collected by filtration and washed with acetone to give 100 mg of 3,3-dimethyl-2-(3-(phenylsulfonylcarbamoyl)phenyl)-1,2,3,4-tetrahydroquinoline-6-carboxylic acid as a off-white solid, yield: 50.4%. LC-MS(M+1)=465.1.

후처리

  1. temperaturewas heated
  2. temperatureto reflux for 1 h
  3. concentrationThe reaction mixture was concentrated under reduced pressure
  4. customThe white solid precipitated
  5. filtrationwas collected by filtration
  6. washwashed with acetone

출처 및 근거

ORD 기록
ord-3d273df1270342828a2f3cfe47c624dc
출처 데이터셋
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08586747B2

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