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Diethyl Ether → 2-(3-(allyloxy)phenyl]-N-cyclopentyl-3-[2-(cyclopentylamino)-4-pyrimidinyl]imidazo[1,2-a]pyridin-8-amine

HRID 456700
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HRID 456700 반응식
[CH:1]1([NH:6][C:7]2[C:8]3[N:9]([C:13]([C:23]4[CH:28]=[CH:27][N:26]=[C:25]([NH:29][CH:30]5[CH2:34][CH2:33][CH2:32][CH2:31]5)[N:24]=4)=[C:14]([C:16]4[CH:17]=[C:18]([OH:22])[CH:19]=[CH:20][CH:21]=4)[N:15]=3)[CH:10]=[CH:11][CH:12]=2)[CH2:5][CH2:4][CH2:3][CH2:2]1.C(=O)([O-])[O-].[Cs+].[Cs+].[CH2:41](Br)[CH:42]=[CH2:43].CCOCC>CN(C)C=O.O>[CH2:43]([O:22][C:18]1[CH:17]=[C:16]([C:14]2[N:15]=[C:8]3[C:7]([NH:6][CH:1]4[CH2:5][CH2:4][CH2:3][CH2:2]4)=[CH:12][CH:11]=[CH:10][N:9]3[C:13]=2[C:23]2[CH:28]=[CH:27][N:26]=[C:25]([NH:29][CH:30]3[CH2:34][CH2:33][CH2:32][CH2:31]3)[N:24]=2)[CH:21]=[CH:20][CH:19]=1)[CH:42]=[CH2:41]
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참가 물질

7

반응물 4

HCID 3283Diethyl EtherHCID 7841Allyl bromideHCID 10796Cesium carbonateHCID 101390603-[8-(Cyclopentylamino)-3-[2-(cyclopentylamino)pyrimidin-4-yl]imidazo[1,2-a]pyridin-2-yl]phenol

생성물 1

HCID 101414512-(3-(allyloxy)phenyl]-N-cyclopentyl-3-[2-(cyclopentylamino)-4-pyrimidinyl]imidazo[1,2-a]pyridin-8-amine수율 77%

시약·촉매·용매

2
HCID 962Water용매HCID 6228Dimethylformamide용매

실험 절차

To a solution of 3-{8-(cyclopentylamino)-3-[2-(cyclopentylamino)-4-pyrimidinyl]imidazo[1,2-α]pyridin-2-yl}phenol (12 mg, 0.03 mmol) in N,N-dimethylformamide was added cesium carbonate (11 mg, 0.04 mmol) followed by allyl bromide (0.1 mL, 1.15 mmol). The resulting mixture was stirred at room temperature for 5 hours. Ether was added followed by water. The organic layer was washed with brine. The aqueous layer was extracted with ether and the combined organics were dried over magnesium sulfate. Filtration and concentration followed by flash chromatography (2:1 hexanes:ethyl acetate) provided 2-[3-(allyloxy)phenyl]-N-cyclopentyl-3-[2-(cyclopentylamino)-4-pyrimidinyl]imidazo[1,2-α]pyridin-8-amine (10 mg, 77%) as an oil. 1H NMR (CDCl3): δ 8.87 (broad, 1H), 8.01 (d, 1H), 7.30 (t, 1H), 7.20–7.17 (m, 2H), 6.95 (m, 1H), 6.78 (t, 1H), 6.38 (d, 1H), 6.28 (d, 1H), 6.03 (m, 1H), 30 5.43–5.24 (m, 4H), 4.54 (d, 2H), 4.34 (m, 1H), 3.91 (m, 1H), 2.12–2.04 (m, 4H), 1.82–1.55 (m, 12H); MS m/z 495 (M+1). This material was treated with anhydrous hydrochloric acid in ether to provide the corresponding hydrochoride salt as a yellow solid.

후처리

  1. washThe organic layer was washed with brine
  2. extractionThe aqueous layer was extracted with ether
  3. dry with materialthe combined organics were dried over magnesium sulfate
  4. filtrationFiltration and concentration

출처 및 근거

ORD 기록
ord-3369ef6d311840b7a5b9b14ec8c9e975
출처 데이터셋
uspto-grants-2007_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07186714B2

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