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Water → N-cyclopentyl-3-[2-(cyclopentylamino)-4-pyrimidinyl]-2-(4-methoxyphenyl)-pyrazolo[1,5-a]pyridin-7-amine

HRID 861108
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HRID 861108 반응식
[CH:1]1([NH:6][C:7]2[N:12]3[N:13]=[C:14]([C:23]4[CH:28]=[CH:27][C:26]([O:29][CH3:30])=[CH:25][CH:24]=4)[C:15]([C:16](=O)/[CH:17]=[CH:18]/N(C)C)=[C:11]3[CH:10]=[CH:9][CH:8]=2)[CH2:5][CH2:4][CH2:3][CH2:2]1.Cl.[CH:32]1([NH:37][C:38]([NH2:40])=[NH:39])[CH2:36][CH2:35][CH2:34][CH2:33]1.C(=O)([O-])[O-].[K+].[K+].O>CN(C)C=O>[CH:1]1([NH:6][C:7]2[N:12]3[N:13]=[C:14]([C:23]4[CH:28]=[CH:27][C:26]([O:29][CH3:30])=[CH:25][CH:24]=4)[C:15]([C:16]4[CH:17]=[CH:18][N:40]=[C:38]([NH:37][CH:32]5[CH2:36][CH2:35][CH2:34][CH2:33]5)[N:39]=4)=[C:11]3[CH:10]=[CH:9][CH:8]=2)[CH2:2][CH2:3][CH2:4][CH2:5]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 22350050(2E)-1-[7-(cyclopentylamino)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-3-(dimethylamino)-2-propen-1-oneHCID 178479367HCID 178479367, 화합물

생성물 1

HCID 10298785N-cyclopentyl-3-[2-(cyclopentylamino)-4-pyrimidinyl]-2-(4-methoxyphenyl)-pyrazolo[1,5-a]pyridin-7-amine수율 73%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

To a solution of (2E)-1-[7-(cyclopentylamino)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-3-(dimethylamino)-2-propen-1-one (5.97 g, 14.7 mmol) in dimethylformamide (80 mL) was added N-cyclopentyl guanidine hydrochloride (4.33 g, 26.5 mmol; Prepared by modification of a procedure from Bannard, R. A. B. et al., Can. J. Chem. 1958, 36, 1541–1549), followed by potassium carbonate (2.03 g, 14.7 mmol). The resulting solution was heated at reflux for 6 hours. Upon cooling to room temperature, water was added. The mixture was extracted with ethyl acetate. The ethyl acetate phase was washed with brine, dried (magnesium sulfate), filtered and concentrated in vacuo. The resulting residue was purified by flash chromatography (4:6 ethyl acetate:hexane) to give N-cyclopentyl-3-[2-(cyclopentylamino)-4-pyrimidinyl]-2-(4-methoxyphenyl)-pyrazolo[1,5-a]pyridin-7-amine (5.02 g, 73%) as a yellow solid. 1H NMR (CDCl3): δ 7.95 (d, 1H), 7.72 (d, 1H), 7.54 (dd, 2H), 7.25 (t, 1H), 6.94 (dd, 2H), 6.28 (d, 1H), 6.00–5.97 (m, 2H), 5.03 (d, 1H), 4.33–4.31 (m, 1H), 3.96 (m, 1H), 3.83 (s, 3H), 2.10–2.01 (m, 4H), 1.77–1.50 (m, 12H); MS m/z 469 (M+1); Anal. Calcd for C28H32N6O: C, 71.77; H, 6.88; N17.93. Found: C, 71.41; H, 7.02; N, 17.89.

후처리

  1. customPrepared by modification of a procedure from Bannard, R
  2. temperatureThe resulting solution was heated
  3. temperatureat reflux for 6 hours
  4. extractionThe mixture was extracted with ethyl acetate
  5. washThe ethyl acetate phase was washed with brine
  6. dry with materialdried (magnesium sulfate)
  7. filtrationfiltered
  8. concentrationconcentrated in vacuo
  9. customThe resulting residue was purified by flash chromatography (4:6 ethyl acetate:hexane)

출처 및 근거

ORD 기록
ord-7ebcf98a4b14439e9d414b7bb1b0db94
출처 데이터셋
uspto-grants-2006_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07153855B2

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