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Acetic Anhydride → (E)-3-[2-n-butyl-1-{(2-chlorophenyl)methyl}-1H-imidazol-5-yl]-2-(2-thienyl)-2-propenoic acid

HRID 36977
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HRID 36977 반응식
[CH2:1]([C:5]1[N:6]([CH2:12][C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=2[Cl:19])[C:7]([CH:10]=O)=[CH:8][N:9]=1)[CH2:2][CH2:3][CH3:4].[S:20]1[CH:24]=[CH:23][CH:22]=[C:21]1[CH2:25][C:26]([OH:28])=[O:27].C(=O)([O-])[O-].[K+].[K+].C(OC(=O)C)(=O)C>O>[CH2:1]([C:5]1[N:6]([CH2:12][C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=2[Cl:19])[C:7](/[CH:10]=[C:25](/[C:21]2[S:20][CH:24]=[CH:23][CH:22]=2)\[C:26]([OH:28])=[O:27])=[CH:8][N:9]=1)[CH2:2][CH2:3][CH3:4]
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참가 물질

6

반응물 4

HCID 7918Acetic AnhydrideHCID 11430Potassium CarbonateHCID 159702-Thiopheneacetic acidHCID 101075301H-Imidazole-5-carboxaldehyde, 2-butyl-1-[(2-chlorophenyl)methyl]-

생성물 1

HCID 69948967(E)-3-[2-n-butyl-1-{(2-chlorophenyl)methyl}-1H-imidazol-5-yl]-2-(2-thienyl)-2-propenoic acid

시약·촉매·용매 1

HCID 962
Water
용매

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온도
140 °C

실험 절차

A mixture of 2-n-butyl-1-(2-chlorophenyl)methyl-1H-imidazol-5-carboxaldehyde (2 mmol), 2-thienylacetic acid (2.3 mmol), potassium carbonate (0.91 mmol), and acetic anhydride (1 mL) is heated gradually to 140° C. and held at this temperature for 6 hours. The cooled reaction is diluted with water and the solid is separated, triturated several times with ether, and the solid is crystallized to give the title compound.

후처리

  1. customThe cooled reaction
  2. customthe solid is separated
  3. customtriturated several times with ether
  4. customthe solid is crystallized

출처 및 근거

ORD 기록
ord-9f5c38a8d3ec4df8a69471349893b3ad
출처 데이터셋
uspto-grants-1995_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05418250

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