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Thionyl Chloride → 1,3,5-Trimethyl-1H-pyrazole-4-carboxylic acid [3-(2-oxo-2,3-dihydro-1H-indole-6-carbonyl)-phenyl]-amide

HRID 641007
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 641007
[CH3:1][N:2]1[C:6]([CH3:7])=[C:5]([C:8]([OH:10])=O)[C:4]([CH3:11])=[N:3]1.S(Cl)(Cl)=O.[NH2:16][C:17]1[CH:18]=[C:19]([CH:32]=[CH:33][CH:34]=1)[C:20]([C:22]1[CH:30]=[C:29]2[C:25]([CH2:26][C:27](=[O:31])[NH:28]2)=[CH:24][CH:23]=1)=[O:21]>C1COCC1>[O:31]=[C:27]1[CH2:26][C:25]2[C:29](=[CH:30][C:22]([C:20]([C:19]3[CH:18]=[C:17]([NH:16][C:8]([C:5]4[C:4]([CH3:11])=[N:3][N:2]([CH3:1])[C:6]=4[CH3:7])=[O:10])[CH:34]=[CH:33][CH:32]=3)=[O:21])=[CH:23][CH:24]=2)[NH:28]1
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Komponenten

5

Edukt 3

HCID 24386Thionyl ChlorideHCID 7365141,3,5-trimethyl-1H-pyrazole-4-carboxylic acidHCID 592564786-(3-Amino-benzoyl)-1,3-dihydro-indol-2-one

Produkt 1

HCID 866104381,3,5-Trimethyl-1H-pyrazole-4-carboxylic acid [3-(2-oxo-2,3-dihydro-1H-indole-6-carbonyl)-phenyl]-amideAusbeute 56 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028
Tetrahydrofuran
Lösungsmittel

Reaktionsbedingungen

Temperatur
79 °C

Versuchsvorschrift

A dry flask was charged with 1,3,5-Trimethyl-1H-pyrazole-4-carboxylic acid (0.122 g, 0.791 mmol) and thionyl chloride (5 mL) and allowed to stir at 79° C. for 3 h. The thionyl chloride was then removed by concentration in vacuo. The crude acid chloride was cooled to room temperature, and then dissolved in THF (8 mL). 6-(3-Amino-benzoyl)-1,3-dihydro-indol-2-one (as prepared in Example 40, 0.200 g, 0.793 mmol) was added to the THF solution of the acid chloride, and the mixture was allowed to reflux overnight. The reaction mixture was then allowed to cool to room temperature and subsequently vacuum filtered. The solid was washed with 0° C. THF (˜5 mL) and collected to afford the 1,3,5-Trimethyl-1H-pyrazole-4-carboxylic acid [3-(2-oxo-2,3-dihydro-1H-indole-6-carbonyl)-phenyl]-amide as a solid (0.169 g, 0.440 mmol, 56%).

Aufarbeitung

  1. customThe thionyl chloride was then removed by concentration in vacuo
  2. temperatureThe crude acid chloride was cooled to room temperature
  3. dissolutiondissolved in THF (8 mL)
  4. temperatureto reflux overnight
  5. temperatureto cool to room temperature
  6. filtrationsubsequently vacuum filtered
  7. washThe solid was washed with 0° C
  8. customTHF (˜5 mL) and collected

Quellen und Nachweise

ORD-Eintrag
ord-c8979130d9604cbf93eb3cdabad0be2f
Quelldatensatz
uspto-grants-2010_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07692005B2

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