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Ethyl Thioglycolate → Ethyl {[7-anilino-5-oxo-8-phenyl-4-(trifluoromethyl)-5,8-dihydro-1,8-naphthyridin-2-yl]sulfanyl}acetate

HRID 2183789
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2183789
[H-].[Na+].[SH:3][CH2:4][C:5]([O:7][CH2:8][CH3:9])=[O:6].[NH:10]([C:17]1[N:18]([C:33]2[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=2)[C:19]2[C:24]([C:25](=[O:27])[CH:26]=1)=[C:23]([C:28]([F:31])([F:30])[F:29])[CH:22]=[C:21](Cl)[N:20]=2)[C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1>CN(C=O)C>[NH:10]([C:17]1[N:18]([C:33]2[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=2)[C:19]2[N:20]=[C:21]([S:3][CH2:4][C:5]([O:7][CH2:8][CH3:9])=[O:6])[CH:22]=[C:23]([C:28]([F:31])([F:30])[F:29])[C:24]=2[C:25](=[O:27])[CH:26]=1)[C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 12185Ethyl ThioglycolateHCID 24758Sodium hydrideHCID 219481692-anilino-7-chloro-1-phenyl-5-trifluoromethyl-1,8-naphthyridin-4(1H)-one

Produkt 1

HCID 11684737Ethyl {[7-anilino-5-oxo-8-phenyl-4-(trifluoromethyl)-5,8-dihydro-1,8-naphthyridin-2-yl]sulfanyl}acetateAusbeute 53 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228
Dimethylformamide
Lösungsmittel

Reaktionsbedingungen

Temperatur
0 °C

Versuchsvorschrift

NaH (60% dispersion in oil, 18.0 mg, 0.434 mmol) was added to a cooled (0° C.) and stirred solution of ethyl mercaptoacetate (0.05 mL, 0.434 mmol) in DMF. After 0.5 h, 2-anilino-7-chloro-1-phenyl-5-(trifluoromethyl)-1,8-naphthyridin-4(1H)-one (150.0 mg, 0.361 mmol) was added as a solid in a single portion. The mixture was allowed to warm to room temperature and was stirred for 24 h. The reaction was quenched with water and extracted with EtOAc. The organic layer was washed with brine, dried over MgSO4, and concentrated in vacuo. Purification by preparative HPLC (10% CH3CN in water with 0.1% TFA to 95% CH3CN in water, 10 mL/min, 10 min) provided ethyl {[7-anilino-5-oxo-8-phenyl-4-(trifluoromethyl)-5,8-dihydro-1,8-naphthyridin-2-yl]sulfanyl}acetate (50 mg, 53%): LCMS RT: 3.91 min, MH+: 500.2, Rf=0.24 (1:1 EtOAc:Hex).

Aufarbeitung

  1. temperatureto warm to room temperature
  2. customThe reaction was quenched with water
  3. extractionextracted with EtOAc
  4. washThe organic layer was washed with brine
  5. dry with materialdried over MgSO4
  6. concentrationconcentrated in vacuo
  7. customPurification by preparative HPLC (10% CH3CN in water with 0.1% TFA to 95% CH3CN in water, 10 mL/min, 10 min)

Quellen und Nachweise

ORD-Eintrag
ord-254a30b34dbb41e7b3ff9a39737868e1
Quelldatensatz
uspto-grants-2005_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06900205B2

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