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Hydrochloric Acid → 1-(5-benzylsulfanyl-6-chloro-1H-benzoimidazol-2-yl)-1H-pyrazole-4-carboxylic acid ethyl ester

HRID 408720
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HRID 408720 반응식
[CH2:1]([O:3][C:4]([C:6]1[CH:7]=[N:8][N:9]([C:11]2[N:15](COCCOC)[C:14]3[CH:22]=[C:23]([Cl:34])[C:24]([S:26][CH2:27][C:28]4[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=4)=[CH:25][C:13]=3[N:12]=2)[CH:10]=1)=[O:5])[CH3:2].Cl.O1CCOCC1>CCO>[CH2:1]([O:3][C:4]([C:6]1[CH:7]=[N:8][N:9]([C:11]2[NH:15][C:14]3[CH:22]=[C:23]([Cl:34])[C:24]([S:26][CH2:27][C:28]4[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=4)=[CH:25][C:13]=3[N:12]=2)[CH:10]=1)=[O:5])[CH3:2]
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참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 312751,4-DioxaneHCID 669370011-[5-benzylsulfanyl-6-chloro-1-(2-methoxy-ethoxymethyl)-1H-benzoimidazol-2-yl]-1H-pyrazole-4-carboxylic acid ethyl ester

생성물 1

HCID 669369951-(5-benzylsulfanyl-6-chloro-1H-benzoimidazol-2-yl)-1H-pyrazole-4-carboxylic acid ethyl ester수율 95%

시약·촉매·용매 1

HCID 702
Ethanol
용매

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온도
23 °C

실험 절차

To a mixture of 1-[5-benzylsulfanyl-6-chloro-1-(2-methoxy-ethoxymethyl)-1H-benzoimidazol-2-yl]-1H-pyrazole-4-carboxylic acid ethyl ester (160 mg, 0.319 mmol) and EtOH (3.2 mL) was added 4M HCl in dioxane (3.21 mL, 12.8 mmol). The mixture stirred for 18 h at 23° C. The reaction mixture was concentrated and the resulting residue was triturated in Et2O. The suspension was filtered and washed with Et2O to yield the titled compound (0.125 g, 95%) MS (ESI/CI): mass calcd. for C20H17ClN4O2S, 412.1; m/z found, 413.1 [M+H]+. 1H NMR (600 MHz, DMSO-d6); 13.53 (d, J=12.3 Hz, 1H), 8.95 (s, 1H), 8.35 (s, 1H), 7.78 (s, 0.5H), 7.65 (s, 0.5H), 7.55 (s, 0.5H), 7.44 (s, 0.5H), 7.38 (d, J=7.2 Hz, 2H), 7.31 (t, J=7.4 Hz, 2H), 7.25 (s, 1H), 4.32-4.26 (m, 4H), 1.32 (t, J=7.1 Hz, 3H).

후처리

  1. concentrationThe reaction mixture was concentrated
  2. customthe resulting residue was triturated in Et2O
  3. filtrationThe suspension was filtered
  4. washwashed with Et2O

출처 및 근거

ORD 기록
ord-6d487ee685a14474afbd791ca7a7aed7
출처 데이터셋
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08759345B2

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