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Aluminium lithium hydride → 2-(4-((2-(3-Chlorophenyl)-6-ethylpyrimidin-4-yl)methyl)phenyl)ethanol

HRID 1508707
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HRID 1508707 반응식
[Cl:1][C:2]1[CH:3]=[C:4]([C:8]2[N:13]=[C:12]([CH2:14][C:15]3[CH:20]=[CH:19][C:18]([CH2:21][C:22](OC)=[O:23])=[CH:17][CH:16]=3)[CH:11]=[C:10]([CH2:26][CH3:27])[N:9]=2)[CH:5]=[CH:6][CH:7]=1.[H-].[H-].[H-].[H-].[Li+].[Al+3]>C1COCC1>[Cl:1][C:2]1[CH:3]=[C:4]([C:8]2[N:13]=[C:12]([CH2:14][C:15]3[CH:16]=[CH:17][C:18]([CH2:21][CH2:22][OH:23])=[CH:19][CH:20]=3)[CH:11]=[C:10]([CH2:26][CH3:27])[N:9]=2)[CH:5]=[CH:6][CH:7]=1
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참가 물질

4

반응물 2

HCID 21226445Aluminium lithium hydrideHCID 90113000Methyl 2-(4-((2-(3-chlorophenyl)-6-ethylpyrimidin-4-yl)methyl)phenyl)acetate

생성물 1

HCID 742214272-(4-((2-(3-Chlorophenyl)-6-ethylpyrimidin-4-yl)methyl)phenyl)ethanol수율 37.1%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매2회

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온도
0 °C

실험 절차

A 25-mL flask, with stirrer bar, was charged with methyl 2-(4-((2-(3-chlorophenyl)-6-ethylpyrimidin-4-yl)methyl)phenyl)acetate (52 mg, 0.13 mmol, 1.0 eq.) and THF (3 mL). The flask was cooled to 0° C. under nitrogen. A solution of 1M LiAlH4 in THF (0.31 mL, 0.31 mmol, 2.3 eq.) was added and the reaction was allowed to slowly warm to room temperature. After 4.5 hrs, the reaction mixture was quenched with methanol, diluted with water (10 mL), and acidified with 2N HCl to pH˜3. The mixture was extracted with ethyl acetate (3×12 mL). The organic extract was washed with sat. sodium chloride (5 mL), dried over sodium sulfate, filtered, and concentrated under reduced pressure. The residue (49 mg) was purified by chromatography on silica gel using hexanes/ethyl acetate (1:0 to 1:1) as eluent to afford 2-(4-((2-(3-chlorophenyl)-6-ethylpyrimidin-4-yl)methyl)phenyl)ethanol (17 mg, 36% yield) as a colorless oil. MW=352.86. 1H NMR (DMSO-d6, 500 MHz) δ 8.38-8.33 (m, 2H), 7.61-7.53 (m, 2H), 7.28-7.25 (m, 3H), 7.16 (d, J=8.0 Hz, 2H), 4.58 (t, J=5.5 Hz, 4.08 (s, 2H), 3.60-3.53 (m, 2H), 2.77 (q, J=7.5 Hz, 2H), 2.67 (t, J=7.0 Hz, 2H), 1.26 (t, J=7.5 Hz, 3H).

후처리

  1. temperatureto slowly warm to room temperature
  2. customthe reaction mixture was quenched with methanol
  3. additiondiluted with water (10 mL)
  4. extractionThe mixture was extracted with ethyl acetate (3×12 mL)
  5. extractionThe organic extract
  6. washwas washed with sat. sodium chloride (5 mL)
  7. dry with materialdried over sodium sulfate
  8. filtrationfiltered
  9. concentrationconcentrated under reduced pressure
  10. customThe residue (49 mg) was purified by chromatography on silica gel

출처 및 근거

ORD 기록
ord-00436990d6be4cc2be2da3f9e19003e1
출처 데이터셋
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09221843B2

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