Triethylamine → 2-chloro-11-fluoro-6H-pyrido[2',3':5,6][1,3]oxazino[3,4-a]indole-6-carboxamide

HRID 1776860Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1776860
[Cl:1][C:2]1[CH:3]=[CH:4][C:5]2[O:18][CH:17]([C:19](O)=[O:20])[N:8]3[C:9]4[CH:10]=[CH:11][CH:12]=[C:13]([F:16])[C:14]=4[CH:15]=[C:7]3[C:6]=2[N:22]=1.[NH4+].[Cl-].C1C=CC2N(O)N=[N:31]C=2C=1.CCN=C=NCCCN(C)C.C(N(CC)CC)C>CN(C=O)C.O>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]2[O:18][CH:17]([C:19]([NH2:31])=[O:20])[N:8]3[C:9]4[CH:10]=[CH:11][CH:12]=[C:13]([F:16])[C:14]=4[CH:15]=[C:7]3[C:6]=2[N:22]=1

Komponenten

8

Edukt 5

HCID 8471TriethylamineHCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 25517Ammonium ChlorideHCID 757711-HydroxybenzotriazoleHCID 867282632-chloro-11-fluoro-6H-pyrido[2',3':5,6][1,3]oxazino[3,4-a]indole-6-carboxylic acid

Produkt 1

HCID 867282642-chloro-11-fluoro-6H-pyrido[2',3':5,6][1,3]oxazino[3,4-a]indole-6-carboxamideAusbeute 33,3 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittelHCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

A mixture of 2-chloro-11-fluoro-6H-pyrido[2′,3′:5,6][1,3]oxazino[3,4-a]indole-6-carboxylic acid (60 mg, 0.19 mmol), NH4Cl (20 mg, 0.38 mmol), HOBT (38 mg, 0.28 mmol), EDCI (54 mg, 0.28 mmol) and triethylamine (76 mg, 0.75 mmol) in DMF (1 mL) was stirred at room temperature overnight under N2 atmosphere. The mixture was then diluted with water (30 mL) and extracted with EtOAc (20 mL×3). The organic layer was washed with brine (30 mL×3), dried over Na2SO4 and concentrated in vacuo. The resulting residue was purified using column chromatography (dichloromethane:MeOH=30:1) to provide 2-chloro-11-fluoro-6H-pyrido[2′,3′:5,6][1,3]oxazino[3,4-a]indole-6-carboxamide (20 mg, yield: 33.3%). 1H-NMR (Methanol-d4, 400 MHz) δ 7.54 (d, J=8.4 Hz, 1H), 7.28˜7.31 (m, 2H), 7.20˜7.24 (m, 2H), 6.90 (s, 1H), 6.82˜6.84 (m, 1H). MS (M+H)+: 318.

Aufarbeitung

  1. extractionextracted with EtOAc (20 mL×3)
  2. washThe organic layer was washed with brine (30 mL×3)
  3. dry with materialdried over Na2SO4
  4. concentrationconcentrated in vacuo
  5. customThe resulting residue was purified

Quellen und Nachweise

ORD-Eintrag
ord-4d27c1944c9f400592e3ff6ba893aca9
Quelldatensatz
uspto-grants-2016_02
Patentnummer
US09265773B2

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