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Hydrochloric Acid → 4-[4-(3,5-dichloro-phenyl)-4-trifluoromethyl-4,5-dihydro-3H-pyrrol-2-yl]-2-methyl-N-thietan-3-yl-benzamide

HRID 1844647
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HRID 1844647 반응식
[Cl:1][C:2]1[CH:3]=[C:4]([C:9]([CH2:31][N+:32]([O-])=O)([C:27]([F:30])([F:29])[F:28])[CH2:10][C:11]([C:13]2[CH:25]=[CH:24][C:16]([C:17]([NH:19][CH:20]3[CH2:23][S:22][CH2:21]3)=[O:18])=[C:15]([CH3:26])[CH:14]=2)=O)[CH:5]=[C:6]([Cl:8])[CH:7]=1.Cl.O>CN(C=O)C>[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2([C:27]([F:30])([F:29])[F:28])[CH2:31][N:32]=[C:11]([C:13]3[CH:25]=[CH:24][C:16]([C:17]([NH:19][CH:20]4[CH2:23][S:22][CH2:21]4)=[O:18])=[C:15]([CH3:26])[CH:14]=3)[CH2:10]2)[CH:5]=[C:6]([Cl:8])[CH:7]=1
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반응물 3

HCID 313Hydrochloric AcidHCID 962WaterHCID 674585224-[3-(3,5-dichloro-phenyl)-4,4,4-trifluoro-3-nitromethylbutyryl]-2-methyl-N-thietan-3-yl-benzamide

생성물 1

HCID 666553094-[4-(3,5-dichloro-phenyl)-4-trifluoromethyl-4,5-dihydro-3H-pyrrol-2-yl]-2-methyl-N-thietan-3-yl-benzamide수율 16.9%

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매

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온도
80 °C

실험 절차

To a solution of 4-[3-(3,5-dichloro-phenyl)-4,4,4-trifluoro-3-nitromethyl-butyryl]-2-methyl-N-thietan-3-yl-benzamide (Example I21) (78 mg) in DMF (1.5 ml) zinc powder (48 mg) was added at ambient temperature. The reaction mixture was heated to 80° C. and concentrated hydrochloric acid (0.3 ml) was added drop-wise. The reaction mixture was stirred at 80° C. for 4 hours. Water was added and the mixture was extracted twice with ethyl acetate. The combined organic phases were washed with brine, dried over sodium sulfate and concentrated. The residue was purified by prep. HPLC to give give 4-[4-(3,5-dichloro-phenyl)-4-trifluoromethyl-4,5-dihydro-3H-pyrrol-2-yl]-2-methyl-N-thietan-3-yl-benzamide (12 mg). 1H-NMR (400 MHz, CDCl3): 7.75-7.25 (m, 6H), 6.35 (s, 1H), 5.45 (m, 1H), 4.90 (d, 1H), 4.45 (d, 1H), 3.82 (d, 1H), 3.55-3.38 (m, 5H), 2.48 (s, 3H) ppm.

후처리

  1. customwas added at ambient temperature
  2. extractionthe mixture was extracted twice with ethyl acetate
  3. washThe combined organic phases were washed with brine
  4. dry with materialdried over sodium sulfate
  5. concentrationconcentrated
  6. customThe residue was purified by prep
  7. customHPLC to give

출처 및 근거

ORD 기록
ord-a3114ae96a4345368c2644e95ac9015a
출처 데이터셋
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08946447B2

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