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Potassium Carbonate → 5-(11-fluoro-6H-pyrido[2',3':5,6][1,3]oxazino[3,4-a]indol-2-yl)-2-(1H-imidazol-1-yl)-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide

HRID 595576
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 595576
[N:1]1([C:6]2[O:7][C:8]3[CH:18]=[C:17]([N:19]([CH3:24])[S:20]([CH3:23])(=[O:22])=[O:21])[C:16](B4OC(C)(C)C(C)(C)O4)=[CH:15][C:9]=3[C:10]=2[C:11]([NH:13][CH3:14])=[O:12])[CH:5]=[CH:4][N:3]=[CH:2]1.Cl[C:35]1[CH:36]=[CH:37][C:38]2[O:51][CH2:50][N:41]3[C:42]4[CH:43]=[CH:44][CH:45]=[C:46]([F:49])[C:47]=4[CH:48]=[C:40]3[C:39]=2[N:52]=1.C([O-])([O-])=O.[K+].[K+].CC(C1C=C(C(C)C)C(C2C=CC=CC=2P(C2CCCCC2)C2CCCCC2)=C(C(C)C)C=1)C>O1CCOCC1.O.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[F:49][C:46]1[C:47]2[CH:48]=[C:40]3[C:39]4[N:52]=[C:35]([C:16]5[C:17]([N:19]([CH3:24])[S:20]([CH3:23])(=[O:22])=[O:21])=[CH:18][C:8]6[O:7][C:6]([N:1]7[CH:5]=[CH:4][N:3]=[CH:2]7)=[C:10]([C:11]([NH:13][CH3:14])=[O:12])[C:9]=6[CH:15]=5)[CH:36]=[CH:37][C:38]=4[O:51][CH2:50][N:41]3[C:42]=2[CH:43]=[CH:44][CH:45]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

8

Edukt 4

HCID 11430Potassium CarbonateHCID 111557942-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenylHCID 867283052-chloro-11-fluoro-6H-pyrido[2',3':5,6][1,3]oxazino[3,4-a]indoleHCID 903336142-(1H-imidazol-1-yl)-N-methyl-6-(N-methylmethylsulfonamido)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuran-3-carboxamide

Produkt 1

HCID 77845758
5-(11-fluoro-6H-pyrido[2',3':5,6][1,3]oxazino[3,4-a]indol-2-yl)-2-(1H-imidazol-1-yl)-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide
Ausbeute 40 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 9811564Bis(dibenzylideneacetone)palladiumKatalysatorHCID 962WaterLösungsmittelHCID 312751,4-DioxaneLösungsmittel

Reaktionsbedingungen

Temperatur
110 °C

Versuchsvorschrift

To a solution of 2-(1H-imidazol-1-yl)-N-methyl-6-(N-methylmethylsulfonamido)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuran-3-carboxamide (60 mg, 0.13 mmol), 2-chloro-11-fluoro-6H-pyrido[2′,3′:5,6][1,3]oxazino[3,4-a]indole (42 mg, 0.15 mmol) and K2CO3 (26 mg, 0.19 mmol) in 1,4-dioxane (1 mL) and water (0.01 mL) were added X-Phos (10 mg) and Pd2(dba)3 (10 mg) under nitrogen. The mixture was heated at 110° C. for 3 hours and filtered through the celite pad. The filtrate was extracted with EtOAc and the combined organic phase was washed with brine, dried over Na2SO4 and concentrated in vacuo. The crude product was purified by prep-HPLC to give 5-(11-fluoro-6H-pyrido[2′,3′:5,6][1,3]oxazino[3,4-a]indol-2-yl)-2-(1H-imidazol-1-yl)-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide (30 mg, yield: 40%). 1H-NMR (400 MHz, CDCl3) δ 8.36 (s, 1H), 8.03 (s, 1H), 7.73 (s, 1H), 7.68 (s, 1H), 7.52 (s, 2H), 7.20˜7.25 (m, 3H), 7.12 (d, J=8.4 Hz, 1H), 6.84˜6.88 (m, 1H), 6.02 (s, 2H), 5.93 (d, J=4.8 Hz, 1H), 3.35 (s, 3H), 3.02 (d, J=4.8 Hz, 3H), 2.78 (s, 3H). MS (M+H)+: 587.

Aufarbeitung

  1. filtrationfiltered through the celite pad
  2. extractionThe filtrate was extracted with EtOAc
  3. washthe combined organic phase was washed with brine
  4. dry with materialdried over Na2SO4
  5. concentrationconcentrated in vacuo
  6. customThe crude product was purified by prep-HPLC

Quellen und Nachweise

ORD-Eintrag
ord-69ac8263a5044e4a93128946c6ef7a86
Quelldatensatz
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09242998B2

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