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Dimethylformamide → HCID 58529597, Verbindung

HRID 1972822
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1972822
[NH2:1][C:2]1[C:7]2=[C:8](Br)[CH:9]=[C:10]([CH:11]3[O:16][CH2:15][CH:14]4[CH2:17][N:18]([C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[CH2:19][CH2:20][N:13]4[CH2:12]3)[N:6]2[N:5]=[CH:4][N:3]=1.CN(C=O)C.[CH2:34]([N:41]1[CH:49]=[C:48]2[C:43]([CH:44]=[C:45](B3OC(C)(C)C(C)(C)O3)[CH:46]=[CH:47]2)=[N:42]1)[C:35]1[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=1.C([O-])([O-])=O.[K+].[K+]>O1CCOCC1.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.O>[NH2:1][C:2]1[C:7]2=[C:8]([C:45]3[CH:46]=[CH:47][C:48]4[C:43]([CH:44]=3)=[N:42][N:41]([CH2:34][C:35]3[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=3)[CH:49]=4)[CH:9]=[C:10]([CH:11]3[O:16][CH2:15][CH:14]4[CH2:17][N:18]([C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[CH2:19][CH2:20][N:13]4[CH2:12]3)[N:6]2[N:5]=[CH:4][N:3]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

8

Edukt 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 585293132-benzyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-IndazoleHCID 58529596HCID 58529596, Verbindung

Produkt 1

HCID 58529597HCID 58529597, VerbindungAusbeute 39 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 178418397HCID 178418397, VerbindungKatalysator
HCID 962WaterLösungsmittel
HCID 312751,4-DioxaneLösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

To a stirred solution of tert-butyl 3-(4-amino-5-bromopyrrolo[2,1-f][1,2,4]triazin-7-yl)hexahydropyrazino[2,1-c][1,4]oxazine-8(1H)-carboxylate (1.50 g, 3.31 mmol) and tetrakis(triphenylphosphine)palladium(0) (764 mg, 0.66 mmol), in degassed 1,4-dioxane (15 mL) and DMF (15 mL) was added 2-benzyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-indazole (1.33 g, 3.97 mmol), K2CO3 (1.10 g, 7.94 mmol), and H2O (3.9 mL). The mixture was degassed and heated (100° C.) for 17 h and then cooled to rt. The mixture was partitioned between ethyl acetate (250 mL) and saturated aqueous K2CO3 solution (200 mL). The layers were separated and the organic phase was washed, dried (Na2SO4), and concentrated to dryness. The residue was purified by recrystallization from acetonitrile to obtain 750 mg (39%) of the desired product. 1H-NMR (DMSO-d6) 8.53 (s, 1H), 7.91 (s, 1H), 7.79 (d, 1H), 7.57 (s, 1H), 7.35-7.28 (m, 5H), 7.11 (d, 1H), 6.71 (s, 1H), 5.64 (s, 2H), 5.14-5.10 (m, 1H), 3.88-3.71 (m, 3H), 3.33-3.26 (m, 2H), 3.03-2.99 (m, 1H), 2.89-2.69 (m, 2H), 2.42-2.38 (m, 1H), 2.12-2.08 (m, 2H), 1.38 (s, 9H); LC-MS [M+H]+=581, RT=2.57 min.

Aufarbeitung

  1. customThe mixture was degassed
  2. temperaturecooled to rt
  3. customThe mixture was partitioned between ethyl acetate (250 mL) and saturated aqueous K2CO3 solution (200 mL)
  4. customThe layers were separated
  5. washthe organic phase was washed
  6. dry with materialdried (Na2SO4)
  7. concentrationconcentrated to dryness
  8. customThe residue was purified by recrystallization from acetonitrile

Quellen und Nachweise

ORD-Eintrag
ord-aed888d7b92a4910a4dae3755c643a2b
Quelldatensatz
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08431695B2

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