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Acetonitrile → 3-(3-(Cycloheptylmethoxy)phenyl)-3-hydroxypropanenitrile

HRID 882398
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HRID 882398 반응식
[Li+].CC([N-]C(C)C)C.[C:9](#[N:11])[CH3:10].[CH:12]1([CH2:19][O:20][C:21]2[CH:22]=[C:23]([CH:26]=[CH:27][CH:28]=2)[CH:24]=[O:25])[CH2:18][CH2:17][CH2:16][CH2:15][CH2:14][CH2:13]1>CCCCCCC.C1COCC1.C(C1C=CC=CC=1)C.C1COCC1>[CH:12]1([CH2:19][O:20][C:21]2[CH:22]=[C:23]([CH:24]([OH:25])[CH2:10][C:9]#[N:11])[CH:26]=[CH:27][CH:28]=2)[CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18]1
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참가 물질

6

반응물 3

HCID 6342AcetonitrileHCID 2724682Lithium diisopropylamideHCID 866376133-(Cycloheptylmethoxy)benzaldehyde

생성물 1

HCID 673170503-(3-(Cycloheptylmethoxy)phenyl)-3-hydroxypropanenitrile

시약·촉매·용매 2

HCID 8028Tetrahydrofuran용매2회HCID 22742125
Tetrahydrofuran heptane ethylbenzol
용매

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온도
0 °C

실험 절차

To a −78° C. solution of LDA (10 mL of a 2M solution in heptane/THF/ethylbenzene, 20.09 mmol) in THF (30 mL) was added acetonitrile (0.97 mL, 18.41 mmol) dropwise over ca. 2 min. After stirring for 15 min, a solution of 3-(cycloheptylmethoxy)benzaldehyde (3.89 g, 16.74 mmol) in THF (20 mL) was added. The reaction was allowed to warm to 0° C. over 2 h then quenched with the addition of saturated aqueous NH4Cl (30 mL). The mixture was extracted with EtOAc twice. The combined organics were dried over Na2SO4 and concentrated under reduced pressure. Purification by flash chromatography (20% EtOAc-hexanes) gave 3-(3-(cycloheptylmethoxy)phenyl)-3-hydroxypropanenitrile as a colorless oil. Yield (2.102 g, 46%): 1H NMR (400 MHz, DMSO-d6) δ 7.22 (t, J=8.0 Hz, 1H), 6.95 (d, J=2.4 Hz, 1H), 6.93 (d, J=8.0 Hz, 1H), 6.81 (ddd, J=8.4, 2.4, 0.8 Hz, 1H), 5.89 (d, J=4.4 Hz, 1H), 4.83 (dt, J=6.4, 4.8 Hz, 1H), 3.71 (d, J=6.8 Hz, 2H), 2.86 (dd, J=16.8, 5.0 Hz, 1H), 2.78 (dd, J=16.4, 6.6 Hz, 1H), 1.86-1.92 (m, 1H), 1.76-1.82 (m, 2H), 1.61-1.67 (m, 2H), 1.37-1.59 (m, 6H), 1.20-1.30 (m, 2H).*

후처리

  1. customthen quenched with the addition of saturated aqueous NH4Cl (30 mL)
  2. extractionThe mixture was extracted with EtOAc twice
  3. dry with materialThe combined organics were dried over Na2SO4
  4. concentrationconcentrated under reduced pressure
  5. customPurification by flash chromatography (20% EtOAc-hexanes)

출처 및 근거

ORD 기록
ord-415bb3c27af940ca9b7d3c01bae270d5
출처 데이터셋
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08993807B2

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