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Hydrochloric Acid → 4-{[(2-{[5-(4-t-Butylphenyl)-4-hydroxy-3-thienyl]methylene}hydrazino)carbonothioyl]amino}benzoic acid

HRID 1881599
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HRID 1881599 반응식
[C:1]([C:5]1[CH:10]=[CH:9][C:8]([C:11]2[S:12][CH:13]=[C:14]([CH:17]=O)[C:15]=2[OH:16])=[CH:7][CH:6]=1)([CH3:4])([CH3:3])[CH3:2].[NH:19]([C:21]([NH:23][C:24]1[CH:32]=[CH:31][C:27]([C:28]([OH:30])=[O:29])=[CH:26][CH:25]=1)=[S:22])[NH2:20].Cl>CN(C)C=O>[C:1]([C:5]1[CH:6]=[CH:7][C:8]([C:11]2[S:12][CH:13]=[C:14]([CH:17]=[N:20][NH:19][C:21]([NH:23][C:24]3[CH:32]=[CH:31][C:27]([C:28]([OH:30])=[O:29])=[CH:26][CH:25]=3)=[S:22])[C:15]=2[OH:16])=[CH:9][CH:10]=1)([CH3:2])([CH3:3])[CH3:4]
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참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 27573784-(4-Carboxyphenyl)-3-thiosemicarbazideHCID 860145662-(4-t-Butylphenyl)-3-hydroxy-4-formylthiophene

생성물 1

HCID 723600074-{[(2-{[5-(4-t-Butylphenyl)-4-hydroxy-3-thienyl]methylene}hydrazino)carbonothioyl]amino}benzoic acid수율 23.2%

시약·촉매·용매 1

HCID 6228Dimethylformamide
용매

실험 절차

2-(4-t-Butylphenyl)-3-hydroxy-4-formylthiophene (50 mg, 0.19 mmol) synthesized in Reference Synthetic Example 25 and 4-hydrazinocarbonothioylaminobenzoic acid (40 mg, 0.19 mmol) were stirred with dimethylformamide (1.9 mL) and concentrated hydrochloric acid (0.1 mL) at room temperature for 12 hours. The reaction solution was partitioned between ethyl acetate and water, and the organic layer was washed with saturated aqueous sodium chloride and dried over anhydrous sodium sulfate. The resulting organic layer was concentrated and purified by silica gel column chromatography (chloroform). Methanol/chloroform was added to the resulting crude product, and the precipitated yellow solid was recovered by filtration to give the desired product as a pale yellow solid (20 mg, yield 23%).

후처리

  1. customThe reaction solution was partitioned between ethyl acetate and water
  2. washthe organic layer was washed with saturated aqueous sodium chloride
  3. dry with materialdried over anhydrous sodium sulfate
  4. concentrationThe resulting organic layer was concentrated
  5. custompurified by silica gel column chromatography (chloroform)
  6. additionMethanol/chloroform was added to the resulting crude product
  7. filtrationthe precipitated yellow solid was recovered by filtration

출처 및 근거

ORD 기록
ord-42dffd5bd13d43eeb2eb4d56821e0468
출처 데이터셋
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08318796B2

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