Sodium Hydroxide → HCID 21875586, 화합물

HRID 50435노트

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HRID 50435 반응식
CO[C:3]1[CH:35]=[CH:34][C:6]2[NH:7][CH:8]([CH2:32][CH3:33])[N:9]([C:10]3[CH:15]=[CH:14][C:13]([CH2:16][CH2:17][NH:18][C:19]([NH:21][S:22]([C:25]4[CH:30]=[CH:29][C:28]([CH3:31])=[CH:27][CH:26]=4)(=[O:24])=[O:23])=[O:20])=[CH:12][CH:11]=3)[C:5]=2[CH:4]=1.[OH-:36].[Na+]>Br>[CH2:32]([C:8]1[N:9]([C:10]2[CH:15]=[CH:14][C:13]([CH2:16][CH2:17][NH:18][C:19]([NH:21][S:22]([C:25]3[CH:26]=[CH:27][C:28]([CH3:31])=[CH:29][CH:30]=3)(=[O:24])=[O:23])=[O:20])=[CH:12][CH:11]=2)[C:5]2[CH:4]=[CH:3][C:35]([OH:36])=[CH:34][C:6]=2[N:7]=1)[CH3:33]

참가 물질

4

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온도
100 °C

실험 절차

A mixture of 1-[4-(2-chloroethyl)phenyl]-2-ethyl-5-methoxy-1H-benzimidazole (step 5 of Example 71, 600 mg, 1.9 mmol) in 48% hydrobromic acid (60 mL) was stirred at 100° C. for 6 h. After cooling, the mixture was neutralized with 2N aqueous NaOH and extracted with ethyl acetate (100 mL). The organic layer was washed with brine (50 mL), dried (Na2SO4), and concentrated to afford 890 mg (quant.) of the title compound as pale yellow solids: 1H-NMR (CDCl3) δ 7.64 (4H, s), 7.16 (2H, m), 6.97-7.01 (1H, m), 3.86 (2H, t, J=7.1 Hz), 3.30 (2H, t, J=7.1 Hz), 2.92 (2H, q, J=7.8 Hz), 1.29 (3H, t, J=7.8 Hz).

후처리

  1. temperatureAfter cooling
  2. extractionextracted with ethyl acetate (100 mL)
  3. washThe organic layer was washed with brine (50 mL)
  4. dry with materialdried (Na2SO4)
  5. concentrationconcentrated

출처 및 근거

ORD 기록
ord-91e3bad74386410bb9e6836fb30362c0
출처 데이터셋
uspto-grants-2004_03
특허 번호
US06710054B2

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