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Triethylamine → 4-[3-(3,5-Dichloro-phenyl)-4,4,4-trifluoro-3-mercapto-butyryl]-2-methyl-benzoic acid tert-butyl ester

HRID 1522774
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HRID 1522774 반응식
[C:1]([O:5][C:6](=[O:30])[C:7]1[CH:12]=[CH:11][C:10]([C:13](=[O:28])/[CH:14]=[C:15](\[C:20]2[CH:25]=[C:24]([Cl:26])[CH:23]=[C:22]([Cl:27])[CH:21]=2)/[C:16]([F:19])([F:18])[F:17])=[CH:9][C:8]=1[CH3:29])([CH3:4])([CH3:3])[CH3:2].C(O)(=[S:33])C.C(N(CC)CC)C>C(N(CC)CC)C.O.C(OCC)(=O)C>[C:1]([O:5][C:6](=[O:30])[C:7]1[CH:12]=[CH:11][C:10]([C:13](=[O:28])[CH2:14][C:15]([C:20]2[CH:25]=[C:24]([Cl:26])[CH:23]=[C:22]([Cl:27])[CH:21]=2)([SH:33])[C:16]([F:17])([F:19])[F:18])=[CH:9][C:8]=1[CH3:29])([CH3:4])([CH3:3])[CH3:2]
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참가 물질

7

반응물 3

HCID 8471TriethylamineHCID 866959924-[(E)-3-(3,5-Dichloro-phenyl)-4,4,4-trifluoro-but-2-enoyl]-2-methyl-benzoic acid tert-butyl esterHCID 178418634HCID 178418634, 화합물

생성물 1

HCID 894445754-[3-(3,5-Dichloro-phenyl)-4,4,4-trifluoro-3-mercapto-butyryl]-2-methyl-benzoic acid tert-butyl ester

시약·촉매·용매 3

HCID 8471Triethylamine
촉매
HCID 962Water용매
HCID 8857Ethyl Acetate용매

실험 절차

To 4-[(E)-3-(3,5-Dichloro-phenyl)-4,4,4-trifluoro-but-2-enoyl]-2-methyl-benzoic acid tert-butyl ester (25 g) was added thioacetic acid (6 eq.) and triethylamine (200 μL) The solution was stirred at room temperature 2 drops of triethylamine were added. After stirring at room temperature for 24 hours, the mixture was poured in a mixture of water and ethyl acetate, extracted with ethyl acetate and washed with brine. The collected organic phases were dried over magnesium sulfate, filtered and the filtrate was evaporated under vacuo. The residue was purified by chromatography on silica gel (eluent: cyclohexane/dichloromethane) to give 4-[3-(3,5-Dichloro-phenyl)-4,4,4-trifluoro-3-mercapto-butyryl]-2-methyl-benzoic acid tert-butyl ester (3.78 g) 1H NMR (CDCl3, 400 MHz): δ=7.89 (d, J=8.8 Hz, 1 H), 7.72-7.79 (m, 2 H), 7.53-7.57 (m, 2 H), 7.35 (t, J=1.8 Hz, 1 H), 4.30 (d, J=18.3 Hz, 1 H), 3.97 (d, J=18.3 Hz, 1 H), 3.30 (s, 1 H), 2.59-2.65 (m, 3 H), 1.58-1.66 (m, 10 H), 1.56 ppm (s, 1 H).

후처리

  1. additionwere added
  2. extractionextracted with ethyl acetate
  3. washwashed with brine
  4. dry with materialThe collected organic phases were dried over magnesium sulfate
  5. filtrationfiltered
  6. customthe filtrate was evaporated under vacuo
  7. customThe residue was purified by chromatography on silica gel (eluent: cyclohexane/dichloromethane)

출처 및 근거

ORD 기록
ord-cfa40482d6e14f9b85e096970a2bea3e
출처 데이터셋
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09078444B2

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