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Hydrochloric Acid → 6-Chloro-2-(4'-isopropyl-biphenyl-3-yl)-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-8-carboxylic acid

HRID 1801197
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인쇄 미리보기

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HRID 1801197 반응식
C[O:2][C:3]([C:5]1[CH:6]=[C:7]([Cl:32])[CH:8]=[C:9]2[C:14]=1[NH:13][CH:12]([C:15]1[CH:16]=[C:17]([C:21]3[CH:26]=[CH:25][C:24]([CH:27]([CH3:29])[CH3:28])=[CH:23][CH:22]=3)[CH:18]=[CH:19][CH:20]=1)[C:11]([CH3:31])([CH3:30])[CH2:10]2)=[O:4].[OH-].[Na+].Cl>CO.O1CCCC1.O>[Cl:32][C:7]1[CH:8]=[C:9]2[C:14](=[C:5]([C:3]([OH:4])=[O:2])[CH:6]=1)[NH:13][CH:12]([C:15]1[CH:16]=[C:17]([C:21]3[CH:22]=[CH:23][C:24]([CH:27]([CH3:28])[CH3:29])=[CH:25][CH:26]=3)[CH:18]=[CH:19][CH:20]=1)[C:11]([CH3:30])([CH3:31])[CH2:10]2
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참가 물질

7

반응물 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 674426006-Chloro-2-(4'-isopropyl-biphenyl-3-yl)-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-8-carboxylic acid methyl ester

생성물 1

HCID 584761656-Chloro-2-(4'-isopropyl-biphenyl-3-yl)-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-8-carboxylic acid수율 90%

시약·촉매·용매 3

HCID 887
Methanol
용매
HCID 962Water용매
HCID 8028Tetrahydrofuran용매

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온도
70 °C

실험 절차

To a stirred mixture solution of 6-chloro-2-(4′-isopropyl-biphenyl-3-yl)-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-8-carboxylic acid methyl ester (400 mg, 0.9 mmol) in methanol (5.0 mL) and tetrahydrofuran (6.0 mL) was added 50% sodium hydroxide in water (2.0 mL). The reaction mixture was stirred at 70° C. for 6 hours. The mixture was neutralized with a 3 N aqueous hydrochloric acid solution and extracted with ethyl acetate (2×100 mL), washed with water, dried over anhydrous sodium sulfate and then concentrated in vacuo. Purification by Waters automated flash system (column: Xterra 30 mm×100 mm, sample manager 2767, pump 2525, detector: ZQ mass and UV 2487, solvent system: acetonitrile and 0.1% ammonium hydroxide in water) afforded 6-chloro-2-(4′-isopropyl-biphenyl-3-yl)-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-8-carboxylic acid (351 mg, 90%) as a white solid: LC/MS m/e calcd for C27H28ClNO2 (M+H)+: 434.98, observed: 434.0.

후처리

  1. extractionextracted with ethyl acetate (2×100 mL)
  2. washwashed with water
  3. dry with materialdried over anhydrous sodium sulfate
  4. concentrationconcentrated in vacuo
  5. customPurification by Waters automated flash system (column: Xterra 30 mm×100 mm, sample manager 2767, pump 2525, detector: ZQ mass and UV 2487, solvent system: acetonitrile and 0.1% ammonium hydroxide in water)

출처 및 근거

ORD 기록
ord-91293ed4dc5f4c419249f171de5537c4
출처 데이터셋
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08344137B2

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