Potassium Hydroxide → 1-(2-Hydroxyphenyl)-3-(1H-indol-4-yl)prop-2-en-1-one

HRID 1382840노트

반응식

HRID 1382840 반응식
[OH-:1].[K+].[NH:3]1[C:11]2[CH:10]=[CH:9][CH:8]=[C:7]([CH:12]=O)[C:6]=2[CH:5]=[CH:4]1.O[CH2:15][C:16]([C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=1)=[O:17].C([N+](CC)(CC)CC1C=CC=CC=1)C>C(O)C.O>[OH:1][C:19]1[CH:20]=[CH:21][CH:22]=[CH:23][C:18]=1[C:16](=[O:17])[CH:15]=[CH:12][C:7]1[CH:8]=[CH:9][CH:10]=[C:11]2[C:6]=1[CH:5]=[CH:4][NH:3]2

참가 물질

7

반응물 4

HCID 14797Potassium HydroxideHCID 17208BenzyltriethylammoniumHCID 68490alpha-HydroxyacetophenoneHCID 333703Indole-4-carboxaldehyde

생성물 1

HCID 538459351-(2-Hydroxyphenyl)-3-(1H-indol-4-yl)prop-2-en-1-one

시약·촉매·용매 2

HCID 702Ethanol용매HCID 962Water용매

반응 조건

온도
30 °C

실험 절차

0.5 ml of 38% potassium hydroxide solution was added with stirring under an inert atmosphere at 30° C. to a mixture of 0.132 g of indole-4-carboxaldehyde, 0.1 ml of 2-hydroxy-acetophenone and 0.189 g of triethylbenzylammonium in 2 ml of ethanol and after stirring at 30° C. for 23 hours, the mixture was diluted with water and extracted with ethyl acetate. The organic phase was washed with water, dried and evaporated to dryness under reduced pressure. The residue was chromatographed over silica and eluted with methylene chloride to obtain 159 mg of 1-(2-hydroxyphenyl)-3-(1H-indol-4-yl)-2-propen-1-one melting 164° C.

후처리

  1. extractionextracted with ethyl acetate
  2. washThe organic phase was washed with water
  3. customdried
  4. customevaporated to dryness under reduced pressure
  5. customThe residue was chromatographed over silica
  6. washeluted with methylene chloride

출처 및 근거

ORD 기록
ord-e9adc636d8a742e89eadb4d6d6fa0517
출처 데이터셋
uspto-grants-1989_02
특허 번호
US04808609

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