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Sodium Carbonate → 6-(4-(2-Hydroxypropan-2-yl)phenyl)-4-(2-(tetrahydro-2H-pyran-4-yl)ethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one

HRID 1047224
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HRID 1047224 반응식
Br[C:2]1[N:3]=[C:4]2[N:11]([CH2:12][CH2:13][CH:14]3[CH2:19][CH2:18][O:17][CH2:16][CH2:15]3)[CH2:10][C:9](=[O:20])[NH:8][C:5]2=[N:6][CH:7]=1.CC1(C)C(C)(C)OB([C:29]2[CH:34]=[CH:33][C:32]([C:35]([OH:38])([CH3:37])[CH3:36])=[CH:31][CH:30]=2)O1.C(=O)([O-])[O-].[Na+].[Na+]>CN(C)C=O.O>[OH:38][C:35]([C:32]1[CH:33]=[CH:34][C:29]([C:2]2[N:3]=[C:4]3[N:11]([CH2:12][CH2:13][CH:14]4[CH2:19][CH2:18][O:17][CH2:16][CH2:15]4)[CH2:10][C:9](=[O:20])[NH:8][C:5]3=[N:6][CH:7]=2)=[CH:30][CH:31]=1)([CH3:37])[CH3:36]
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참가 물질

6

반응물 3

HCID 10340Sodium CarbonateHCID 591660132-(4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propan-2-olHCID 715670836-Bromo-4-(2-(tetrahydro-2H-pyran-4-yl)ethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one

생성물 1

HCID 582983346-(4-(2-Hydroxypropan-2-yl)phenyl)-4-(2-(tetrahydro-2H-pyran-4-yl)ethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one수율 25.9%

시약·촉매·용매 2

HCID 962
Water
용매
HCID 6228Dimethylformamide용매

반응 조건

온도
120 °C

실험 절차

6-Bromo-4-(2-(tetrahydro-2H-pyran-4-yl)ethyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one (0.250 g, 0.733 mmol), 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propan-2-ol (0.192 g, 0.733 mmol) and dichloro[1,1′-bis(diphenylphosphino)ferrocene]palladium(II)dichloromethane (0.030 g, 0.037 mmol) were combined in dimethylformamide (1.0 mL). Sodium carbonate (0.311 g, 2.93 mmol) in water (0.2 mL) was added and the reaction solution was then heated in a Biotage Emrys Optimizer microwave reactor at 120° C. for 15 min. The cooled reaction solution was filtered through Celite and the filter cake was washed with ethyl acetate. Filtrate and ethyl acetate wash were combined and solvent removed under reduced pressure. The resulting material was purified using Biotage column chromatography (0-5% methanol in ethyl acetate) followed by trituration with dimethylformamide and water to afford the title compound (0.074 g, 0.19 mmol, 25%) 1H NMR (400 MHz, DMSO-d6) δ (ppm) 12.24 (s, 1H), 7.98 (s, 1H), 7.89 (d, J=8.39 Hz, 2H), 7.53 (d, J=8.39 Hz, 1H), 5.04 (s, 1H), 4.16 (s, 1H), 3.82 (dd, J=11.1, 2.39 Hz, 2H), 3.61 (t, J=7.59 Hz, 2H), 3.25 (t, J=9.59 Hz, 3H), 1.70 (s, 1H), 1.66 (s, 1H), 1.58 (m, 3H), 1.44 (s, 6H), 1.25 (m, 2H); MS (ESI) m/z 397.2 [M+1]+; mp 210-212° C.

후처리

  1. customThe cooled reaction solution
  2. filtrationwas filtered through Celite
  3. washthe filter cake was washed with ethyl acetate
  4. washFiltrate and ethyl acetate wash
  5. customsolvent removed under reduced pressure
  6. customThe resulting material was purified

출처 및 근거

ORD 기록
ord-e4cad6d0771449fca625469a67c40c75
출처 데이터셋
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08569494B2

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