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Ethanol → 8-(2-Chlorophenyl)-2,2 dimethyl-8-(1,4,6,7-tetrahydro-pyrrolo[3,2-c]pyridine-5-yl)-octanoic acid

HRID 1801537
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HRID 1801537 반응식
C([O:3][C:4](=[O:30])[C:5]([CH3:29])([CH3:28])[CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH:11]([C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][C:22]=1[Cl:27])[N:12]1[CH2:17][CH2:16][C:15]2[NH:18][CH:19]=[CH:20][C:14]=2[CH2:13]1)C.C(O)C.[OH-].[Na+]>O>[Cl:27][C:22]1[CH:23]=[CH:24][CH:25]=[CH:26][C:21]=1[CH:11]([N:12]1[CH2:17][CH2:16][C:15]2[NH:18][CH:19]=[CH:20][C:14]=2[CH2:13]1)[CH2:10][CH2:9][CH2:8][CH2:7][CH2:6][C:5]([CH3:29])([CH3:28])[C:4]([OH:30])=[O:3]
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참가 물질

5

반응물 3

HCID 702EthanolHCID 14798Sodium HydroxideHCID 569716038-(2-Chlorophenyl)-2,2 dimethyl-8-(1,4,6,7-tetrahydro-pyrrolo[3,2-c]pyridine-5-yl)-octanoic acid ethyl ester

생성물 1

HCID 569716028-(2-Chlorophenyl)-2,2 dimethyl-8-(1,4,6,7-tetrahydro-pyrrolo[3,2-c]pyridine-5-yl)-octanoic acid수율 59.8%

시약·촉매·용매 1

HCID 962Water
용매

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온도
96.5 °C

실험 절차

8-(2-Chlorophenyl)-2,2 dimethyl-8-(1,4,6,7-tetrahydro-pyrrolo[3,2-c]pyridine-5-yl)-octanoic acid ethyl ester (0.11 g, 0.25 mmol) was added to a mixture of ethanol (15 mL), water (1.35 mL), and sodium hydroxide (0.07 g, 1.75 mmol). The mixture was heated to reflux (95-98° C. oil bath) for 11 hours. After cooling to room temperature, the solvent was evaporated under reduced pressure. Water (10 mL) was added to the residue and adjusted to pH=6 with 10 N hydrochloric acid. The product was extracted with dichloromethane (3×10 mL). The combined organic layers were washed with water (10 mL), brine (10 mL), dried over Na2SO4. After filtration, the dichloromethane solution was concentrated under reduced pressure to obtain crude product. The crude product was purified by column chromatography (silica gel, ethyl acetate/heptane=3/7) to afford 8-(2-chlorophenyl)-2,2 dimethyl-8-(1,4,6,7-tetrahydro-pyrrolo[3,2-c]pyridine-5-yl)-octanoic acid (Compound Iq, 0.06 g, 59.8% yield) as a yellow oil. 1NMR (Field: 300 MHz, Solvent: CD3OD/TMS) δ (ppm): 7.60 (d, 1H, J=7.5 Hz), 7.48 (d, 1H, J=7.8 Hz), 7.41-7.30 (m, 2H), 6.58 (d, 1H, J=2.7 Hz), 5.89 (d, 1H, J=2.7 Hz), 4.56-4.52 (m, 1H), 3.96 (d, 1H, J=13.5 Hz), 3.65 (d, 1H, J=13.5 Hz), 2.97-2.65 (m, 4H), 2.00-1.87 (m, 2H), 1.43-1.39 (m, 2H), 1.28-1.18 (m, 6H), 1.11 (s, 6H). 13C NMR (Field: 75 MHz, Solvent: CD3OD/TMS) δ (ppm) 183.09, 136.97, 136.77, 131.03, 130.05, 130.31, 128.80, 124.29, 118.35, 113.24, 105.71, 65.49, 50.79, 49.81, 43.48, 42.01, 33.13, 30.39, 26.74, 26.19, 25.98, 23.34.

후처리

  1. temperatureThe mixture was heated
  2. temperatureAfter cooling to room temperature
  3. customthe solvent was evaporated under reduced pressure
  4. additionWater (10 mL) was added to the residue
  5. extractionThe product was extracted with dichloromethane (3×10 mL)
  6. washThe combined organic layers were washed with water (10 mL), brine (10 mL)
  7. dry with materialdried over Na2SO4
  8. filtrationAfter filtration
  9. concentrationthe dichloromethane solution was concentrated under reduced pressure
  10. customto obtain crude product
  11. customThe crude product was purified by column chromatography (silica gel, ethyl acetate/heptane=3/7)

출처 및 근거

ORD 기록
ord-89c41ea06a014d4bbd09a6bb4bde9266
출처 데이터셋
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08349833B2

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