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Hydrazine hydrate (1:1) → HCID 178506369, 화합물

HRID 2373343
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HRID 2373343 반응식
[F:1][C:2]([F:20])([F:19])[O:3][C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=1[C:10]1[CH:11]=[C:12]([CH:16]=[CH:17][CH:18]=1)[C:13]([NH2:15])=O.O.[NH2:22]N.COC(OC)[N:27]([CH3:29])C>C(O)(=O)C>[F:1][C:2]([F:20])([F:19])[O:3][C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=1[C:10]1[CH:11]=[C:12]([C:13]2[N:27]=[CH:29][NH:22][N:15]=2)[CH:16]=[CH:17][CH:18]=1
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참가 물질

5

반응물 3

HCID 24654Hydrazine hydrate (1:1)HCID 78373Dimethylformamide dimethyl acetalHCID 59654362HCID 59654362, 화합물

생성물 1

HCID 178506369HCID 178506369, 화합물

시약·촉매·용매 1

HCID 176Acetic Acid용매

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온도
90 °C

실험 절차

A solution of 0.137 g (0.48 mmol) of 3-(2-trifluoromethoxyphenyl)-benzamide in 1 mL of N,N-dimethylformamide dimethyl acetal was heated at 120° C. for 2 h at which time the reaction was concentrated in vacuo. To this material in 2.3 mL of acetic acid was added 0.028 g (0.55 mmol) of hydrazine hydrate and the reaction mixture was heated at 90° C. for 2 h. The reaction mixture was then concentrated and partitioned between EtOAc and saturated NaHCO3 solution. The organic fraction was washed with brine, dried over MgSO4, filtered and the filtrate was concentrated. The residue was purified by chromatography (silica, 30:1, 9:1, 3:1 successively CH2Cl2: acetone) to give the title compound. 1H NMR (CD3OD) (δ, ppm): 8.32 (s, 1H), 8.06 (s, 1H), 7.98 (m, 1H), 7.50 (m, 3H), 7.39(m, 3H). Mass Spectrum (ESI) m/e (M+1): 306.1.

후처리

  1. concentrationwas concentrated in vacuo
  2. concentrationThe reaction mixture was then concentrated
  3. custompartitioned between EtOAc and saturated NaHCO3 solution
  4. washThe organic fraction was washed with brine
  5. dry with materialdried over MgSO4
  6. filtrationfiltered
  7. concentrationthe filtrate was concentrated
  8. customThe residue was purified by chromatography (silica, 30:1, 9:1, 3:1 successively CH2Cl2

출처 및 근거

ORD 기록
ord-dcd35586fa5f450582e86994830366a0
출처 데이터셋
uspto-grants-2008_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07459475B2

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