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Triethylamine → HCID 178439560, Verbindung

HRID 1019719
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1019719
Br[C:2]1[N:7]=[C:6]2[N:8]([CH:12]([CH2:15][CH3:16])[CH2:13][CH3:14])[C:9]([OH:11])=[N:10][C:5]2=[N:4][CH:3]=1.CN1C[CH2:21][CH2:20][C:19]1=O.C(N(CC)CC)C.C([Sn](CCCC)(CCCC)/C=C/C)CCC>CCOC(C)=O.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>[CH3:14][CH2:13][CH:12]([N:8]1[C:6]2=[N:7][C:2](/[CH:19]=[CH:20]/[CH3:21])=[CH:3][N:4]=[C:5]2[N:10]=[C:9]1[OH:11])[CH2:15][CH3:16]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 8471TriethylamineHCID 13387N-methyl-2-pyrrolidoneHCID 5315049Stannane, tributyl-(1Z)-1-propen-1-yl-HCID 178446210HCID 178446210, Verbindung

Produkt 1

HCID 178439560HCID 178439560, VerbindungAusbeute 15 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178418397
HCID 178418397, Verbindung
Katalysator
HCID 8857Ethyl AcetateLösungsmittel

Reaktionsbedingungen

Temperatur
120 °C

Versuchsvorschrift

A thick-walled microwave bottle equipped with a stirbar was charged with 6-bromo-1-(pentan-3-yl)-1H-imidazo[4,5-b]pyrazin-2-ol (1.0 equiv) and (Ph3P)4Pd (0.15 equiv). The bottle was covered with a sheet of Parafilm and purged with nitrogen for 5-10 min, and N-methylpyrrolidone (11.7 volume equivalents), triethyl amine (2.0 equiv), and (E)-tributyl(prop-1-enyl)stannane (2.0 equiv) were added by syringe. The resulting mixture was immediately fitted with a septum and cap and heated to 120° C. in a microwave for 20 min. The reaction was then diluted with EtOAc, washed with three times with water and once with brine. The organic layer was dried over sodium sulfate, filtered, and concentrated in vacuo. Reverse-phase preparative HPLC provided the title compound (15%) as a foam. LCMS m/z (APCI)=247.1 (M+H).

Aufarbeitung

  1. customA thick-walled microwave bottle equipped with a stirbar
  2. custompurged with nitrogen for 5-10 min
  3. customThe resulting mixture was immediately fitted with a septum
  4. customcap
  5. washwashed with three times with water and once with brine
  6. dry with materialThe organic layer was dried over sodium sulfate
  7. filtrationfiltered
  8. concentrationconcentrated in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-8ae9f35753a04665baf23d72a3cb4ddc
Quelldatensatz
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08716291B2

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