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Potassium Carbonate → 5-((5-(1-isopropyl-1H-pyrazol-5-yl)-3,6-dihydro-2H-pyran-4-yl)methoxy)-2-methoxyisonicotinaldehyde

HRID 1484792
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HRID 1484792 반응식
Br[CH2:2][C:3]1[CH2:8][CH2:7][O:6][CH2:5][C:4]=1[C:9]1[N:13]([CH:14]([CH3:16])[CH3:15])[N:12]=[CH:11][CH:10]=1.[OH:17][C:18]1[C:23]([CH:24]=[O:25])=[CH:22][C:21]([O:26][CH3:27])=[N:20][CH:19]=1.C([O-])([O-])=O.[K+].[K+]>CN(C=O)C.O.CCOC(C)=O>[CH:14]([N:13]1[C:9]([C:4]2[CH2:5][O:6][CH2:7][CH2:8][C:3]=2[CH2:2][O:17][C:18]2[C:23]([CH:24]=[O:25])=[CH:22][C:21]([O:26][CH3:27])=[N:20][CH:19]=2)=[CH:10][CH:11]=[N:12]1)([CH3:16])[CH3:15]
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참가 물질

7

반응물 3

HCID 11430Potassium CarbonateHCID 722124985-Hydroxy-2-methoxyisonicotinaldehydeHCID 904080795-(4-(bromomethyl)-5,6-dihydro-2H-pyran-3-yl)-1-isopropyl-1H-pyrazole

생성물 1

HCID 863040155-((5-(1-isopropyl-1H-pyrazol-5-yl)-3,6-dihydro-2H-pyran-4-yl)methoxy)-2-methoxyisonicotinaldehyde수율 38.3%

시약·촉매·용매 3

HCID 962Water
용매
HCID 6228Dimethylformamide용매
HCID 8857Ethyl Acetate용매

실험 절차

To a solution of 5-(4-(bromomethyl)-5,6-dihydro-2H-pyran-3-yl)-1-isopropyl-1H-pyrazole (50 mg, 0.19 mmol) (see the synthesis of Compound L) and 5-hydroxy-2-methoxyisonicotinaldehyde (30 mg, 0.23 mmol) in DMF (1 mL) was added K2CO3 (50 mg, 0.38 mmol). After stirred at room temperature for 3 h, it was diluted with water and EtOAc, organic layer was separated, and the aqueous layer was extracted with EtOAc, organic layer was combined, washed with brine, dried and concentrated to give crude product, which was purified by column (Hexanes/EtOAc=1:1) to give 5-((5-(1-isopropyl-1H-pyrazol-5-yl)-3,6-dihydro-2H-pyran-4-yl)methoxy)-2-methoxyisonicotinaldehyde (26 mg). 1H NMR (400 MHz, CDCl3) δ (ppm) 10.40 (s, 1H), 7.81 (s, 1H), 7.54 (d, J=1.6 Hz, 1H), 7.05 (s, 1H), 6.08 (d, J=1.6 Hz, 1H), 4.42 (s, 2H), 4.40 (m, 1H), 4.19 (s, 2H), 3.98 (t, J=5.6 Hz, 2H), 3.88 (s, 3H), 2.47 (s, 2H), 1.41 (d, J=6.8 Hz, 6H); MS (ESI) m/z 358.4 [M+H]+.

후처리

  1. customwas separated
  2. extractionthe aqueous layer was extracted with EtOAc, organic layer
  3. washwashed with brine
  4. customdried
  5. concentrationconcentrated
  6. customto give crude product, which
  7. customwas purified by column (Hexanes/EtOAc=1:1)

출처 및 근거

ORD 기록
ord-627f434c58f64021962a966f49aa77eb
출처 데이터셋
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09422279B2

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