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Hydrazine hydrate (1:1) → HCID 178432049, 화합물

HRID 1749585
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HRID 1749585 반응식
O.[NH2:2]N.[Cl:4][C:5]1[C:10]([Cl:11])=[CH:9][CH:8]=[CH:7][C:6]=1[CH2:12][N:13]1[C:17]2[CH:18]=[C:19]([N:29]3[CH2:34][CH2:33][O:32][CH2:31][CH2:30]3)[CH:20]=[C:21]([C:22](/[N:24]=[CH:25]/[N:26](C)C)=O)[C:16]=2[N:15]=[C:14]1[CH3:35].C([O-])(O)=O.[Na+]>C(O)(=O)C>[Cl:4][C:5]1[C:10]([Cl:11])=[CH:9][CH:8]=[CH:7][C:6]=1[CH2:12][N:13]1[C:17]2[CH:18]=[C:19]([N:29]3[CH2:30][CH2:31][O:32][CH2:33][CH2:34]3)[CH:20]=[C:21]([C:22]3[N:24]=[CH:25][NH:26][N:2]=3)[C:16]=2[N:15]=[C:14]1[CH3:35]
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참가 물질

5

반응물 3

HCID 24654Hydrazine hydrate (1:1)HCID 516892Sodium BicarbonateHCID 178432295HCID 178432295, 화합물

생성물 1

HCID 178432049HCID 178432049, 화합물수율 53%

시약·촉매·용매 1

HCID 176Acetic Acid용매

반응 조건

온도
130 °C

실험 절차

Hydrazine monohydrate (2 mL) was added to a solution of 1-[(2,3-dichlorophenyl)methyl]-N-[(1E)-(dimethylamino)methylidene]-2-methyl-6-(4-morpholinyl)-1H-benzimidazole-4-carboxamide (220 mg, 0.46 mmol) in acetic acid (5 mL) and stirred at 130° C. for 20 min. The reaction mixture was cooled to rt and poured into saturated NaHCO3 solution (15 mL). The mixture was extracted with DCM (30 mL×3). The combined organic layers were dried over MgSO4, filtered and concentrated. The resulting residue was purified by silica gel chromatography eluted with DCM:MeOH=30:1 to give the desired product (110 mg, 53%), as a white solid. 1H NMR (300 MHz, DMSO-d6) δ ppm 2.50 (s, 3H), 3.12 (t, 4H, J=4.8 Hz), 3.75 (t, 4H, J=4.8 Hz), 5.62 (s, 2H), 6.36 (d, 1H, J=8.1 Hz), 7.21 (s, 1H), 7.27 (t, 1H, J=8.1 Hz), 7.54 (s, 1H), 7.61 (d, 1H, J=8.1 Hz), 8.08 (s, 1H), 13.80 (s, 1H); LC-MS: m/e=443 [M+1]+.

후처리

  1. temperatureThe reaction mixture was cooled to rt
  2. extractionThe mixture was extracted with DCM (30 mL×3)
  3. dry with materialThe combined organic layers were dried over MgSO4
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customThe resulting residue was purified by silica gel chromatography
  7. washeluted with DCM

출처 및 근거

ORD 기록
ord-4414857b18e04536aae1e6c5cd3fd14d
출처 데이터셋
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09156797B2

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