2-Piperidin-2-ylethanol → 1-[(1H-imidazol-1-yl)pyrimidin-4-yl]piperidine-2-ethanol

HRID 983541

반응식

HRID 983541 반응식
Cl[C:2]1[CH:7]=[CH:6][N:5]=[C:4]([N:8]2[CH:12]=[CH:11][N:10]=[CH:9]2)[N:3]=1.[NH:13]1[CH2:18][CH2:17][CH2:16][CH2:15][CH:14]1[CH2:19][CH2:20][OH:21].CCN(C(C)C)C(C)C>CN(C=O)C>[N:8]1([C:4]2[N:3]=[C:2]([N:13]3[CH2:18][CH2:17][CH2:16][CH2:15][CH:14]3[CH2:19][CH2:20][OH:21])[CH:7]=[CH:6][N:5]=2)[CH:12]=[CH:11][N:10]=[CH:9]1

참가 물질

5

반응물 3

HCID 151442-Piperidin-2-ylethanolHCID 81531DiisopropylethylamineHCID 106074834-chloro-2-(1H-imidazol-1-yl)pyrimidine

생성물 1

HCID 224879671-[(1H-imidazol-1-yl)pyrimidin-4-yl]piperidine-2-ethanol수율 46.1%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

반응 조건

온도
80 °C

실험 절차

The above synthesis may be carried out as follows: To DMF (100 ml) was added 4-chloro-2-imidazol-1-ylpyrimidine (0.50 g, 2.77 mmol), 2-piperidineethanol (0.359 g, 2.77 mmol), and Hünig's base (0.536 g, 4.15 mmol). After heating at 80° C. for 5 hours, the solvent was removed in vacuo and the residue was chromatographed (CH2Cl2/MeOH, 19/1) to give 349 mg (46%) of 1-[(1H-imidazol-1-yl)pyrimidin-4-yl]piperidine-2-ethanol (the compound of formula (XVI)), (1H NMR (CDCl3) δ 8.54 (s, 2), 8.11 (d, 1), 7.82 (t, 1), 7.11 (d, 1), 6.44 (d, 1), 3.60 (m, 2), 3.03 (m, 1), 1.77 (m); MS: 274 (M+H)+). To solution of 1-[(1H-imidazol-1-yl)pyrimidin-4-yl]piperidine-2-ethanol (25 mg, 0.092 mmol) dissolved in DMF (5 ml) was added NaH (60% dispersion in oil, 5.5 mg, 0.14 mmol) followed by piperonyl chloride (17 mg, 0.10 mmol) and t-butyl ammonium chloride. After stirring for 16 hours at 80° C., the solvent was removed in vacuo and the residue was partitioned with saturated NH4Cl and CH2Cl2. The organic layer was separated, dried (MgSO4), the solvent removed in vacuo, and the residue chromatographed (CH2Cl2/MeOH, 19/1) to give 13 mg (35%) of 4-[2-[[(1,3-benzodioxol-5-yl)methoxy]ethyl]piperidin-1-yl]-2-(1H-imidazol-1-yl)pyrimidine (the compound of formula (Icc)); 1H NMR (CDCl3) δ 8.52 (s, 1), 8.05 (d, 1), 7.80 (s, 1), 7.09 (s, 1), 6.73 (m, 3), 6.45 (d, 1), 5.93 (s, 2), 4.30 (s, 2), 3.45 (m, 2), 2.95 (m, 1), 1.55 (m); MS: 408.7 (M+H)+.

후처리

  1. customThe above synthesis
  2. customthe solvent was removed in vacuo
  3. customthe residue was chromatographed (CH2Cl2/MeOH, 19/1)

출처 및 근거

ORD 기록
ord-b6e99317b2ec40d183e0a308cfcdb4d2
출처 데이터셋
uspto-grants-2005_03
특허 번호
US06864263B2

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