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Hydrochloric Acid → 1-[3-(4-Bromo-2-methyl-2H-pyrazol-3-yl)-4-methoxy-phenyl]-3-[3-(1-hydroxyimino-ethyl)-phenyl]-urea

HRID 919516
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HRID 919516 반응식
[C:1]([C:4]1[CH:5]=[C:6]([NH:10][C:11]([NH:13][C:14]2[CH:19]=[CH:18][C:17]([O:20][CH3:21])=[C:16]([C:22]3[N:23]([CH3:28])[N:24]=[CH:25][C:26]=3[Br:27])[CH:15]=2)=[O:12])[CH:7]=[CH:8][CH:9]=1)(=O)[CH3:2].Cl.[NH2:30][OH:31].Cl>C(O)C>[Br:27][C:26]1[CH:25]=[N:24][N:23]([CH3:28])[C:22]=1[C:16]1[CH:15]=[C:14]([NH:13][C:11]([NH:10][C:6]2[CH:7]=[CH:8][CH:9]=[C:4]([C:1](=[N:30][OH:31])[CH3:2])[CH:5]=2)=[O:12])[CH:19]=[CH:18][C:17]=1[O:20][CH3:21]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 443297Hydroxyamine hydrochlorideHCID 111782371-(3-Acetyl-phenyl)3-[3-(4-bromo-2-methyl-2H-pyrazol-3-yl)-4-methoxy-phenyl]-urea

생성물 1

HCID 730193591-[3-(4-Bromo-2-methyl-2H-pyrazol-3-yl)-4-methoxy-phenyl]-3-[3-(1-hydroxyimino-ethyl)-phenyl]-urea수율 16%

시약·촉매·용매 1

HCID 702Ethanol
용매

실험 절차

Compound 17 (54 mg, 0.12 mmol, see Example 1.24) was dissolved in ethanol (10 mL). Hydroxylamine hydrochloride (17 mg, 0.24 mmol) was added under Argon gas. The pH of the solution was then adjusted to pH=4 with 1N Hydrogen Chloride solution. The reaction was stirred overnight at room temperature and found to be complete by TLC and LC/MS. The ethanol was removed under reduced pressure. Then, the residue was worked up with EtOAc (2×20 mL) and Brine (20 mL). The organic layers were combined, dried over Na2SO4, filtered, and the solvent removed under reduced pressure. The residue was then purified by HPLC to afford 8.8 mg (16%) of Compound 96: LCMS m/z (%)=458 (M+H79Br, 96), 460 (M+H81Br, 100). 1H NMR (400 MHz, CDCl3) δ: 7.78 (s, 1H), 7.70 (s, 1H), 7.68 (s, 1H), 7.48 (dd, J1=12 Hz, J2=4 Hz, 1H), 7.42 (s, 1H), 7.41 (dd, J1=8 Hz, J2=4 Hz, 1H), 7.39 (d, J=4 Hz, 1H), 7.30 (t, 1H), 7.19 (d, J=8 Hz, 1H), 7.15 (s, 1H), 7.08 (dd, J1=12 Hz, J2=4 Hz, 1H), 6.88 (dd, J1=12 Hz, J2=8 Hz, 1H), 3.66 (s, 3H), 3.58 (s, 3H), 1.99 (s, 3H).

후처리

  1. customThe ethanol was removed under reduced pressure
  2. dry with materialdried over Na2SO4
  3. filtrationfiltered
  4. customthe solvent removed under reduced pressure
  5. customThe residue was then purified by HPLC

출처 및 근거

ORD 기록
ord-2766d8c344c749d092fac15afa12ab18
출처 데이터셋
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09273035B2

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