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Diisopropylethylamine → (S)-3-chloro-N-cyclopropyl-4-(4-((6-oxo-6,6a,7,8,9,10-hexahydro-5H-dipyrido[1,2-a:3',2'-e]pyrazin-3-yl)methyl)piperazin-1-yl)benzamide

HRID 2077955
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2077955
O[CH2:2][C:3]1[CH:12]=[N:11][C:10]2[N:9]3[CH2:13][CH2:14][CH2:15][CH2:16][C@H:8]3[C:7](=[O:17])[NH:6][C:5]=2[CH:4]=1.[Cl:18][C:19]1[CH:20]=[C:21]([CH:28]=[CH:29][C:30]=1[N:31]1[CH2:36][CH2:35][NH:34][CH2:33][CH2:32]1)[C:22]([NH:24][CH:25]1[CH2:27][CH2:26]1)=[O:23].[I-].C(C[P+](C)(C)C)#N.C(N(CC)C(C)C)(C)C>C(#N)CC>[Cl:18][C:19]1[CH:20]=[C:21]([CH:28]=[CH:29][C:30]=1[N:31]1[CH2:32][CH2:33][N:34]([CH2:2][C:3]2[CH:12]=[N:11][C:10]3[N:9]4[CH2:13][CH2:14][CH2:15][CH2:16][C@H:8]4[C:7](=[O:17])[NH:6][C:5]=3[CH:4]=2)[CH2:35][CH2:36]1)[C:22]([NH:24][CH:25]1[CH2:27][CH2:26]1)=[O:23]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 81531DiisopropylethylamineHCID 10514344(Cyanomethyl)trimethylphosphanium iodideHCID 58324368(S)-3-(hydroxymethyl)-7,8,9,10-tetrahydro-5H-dipyrido[1,2-a:3',2'-e]pyrazin-6(6aH)-oneHCID 58324439HCID 58324439, Verbindung

Produkt 1

HCID 46864604(S)-3-chloro-N-cyclopropyl-4-(4-((6-oxo-6,6a,7,8,9,10-hexahydro-5H-dipyrido[1,2-a:3',2'-e]pyrazin-3-yl)methyl)piperazin-1-yl)benzamide
Ausbeute 86 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 7854PropionitrileLösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

(S)-3-(hydroxymethyl)-7,8,9,10-tetrahydro-5H-dipyrido[1,2-a:3′,2′-e]pyrazin-6(6aH)-one (150 mg, 0.643 mmol), 3-chloro-N-cyclopropyl-4-(piperazin-1-yl)benzamide (216 mg, 0.772 mmol), (cyanomethyl)trimethylphosphonium iodide (250 mg, 1.029 mmol) and N,N-diisopropylethylamine (562 μl, 3.22 mmol) were suspended in Propiononitrile (Volume: 1931 μl) and heated in a closed vial at 100° C. for 4 h. The reaction mixture became a dark brown solution with a precipitate. It was cooled to room temperature and the precipitate was filtered off, washed with MeCN (2 mL) and suspended in MeCN (15 mL) with heating and sonication. It was then cooled to ambient temperature, the precipitate was filtered off, washed with MeCN (2 mL) and dried in vacuum to afford (S)-3-chloro-N-cyclopropyl-4-(4-((6-oxo-6,6a,7,8,9,10-hexahydro-5H-dipyrido[1,2-a:3′,2′-e]pyrazin-3-yl)methyl)piperazin-1-yl)benzamide (272.4 mg, 0.550 mmol, 86% yield) as a white solid. 1H NMR (DMSO-d6) δ 10.49 (s, 1H), 8.39 (d, J=4.3 Hz, 1H), 7.85 (d, J=2.0 Hz, 1H), 7.75 (dd, J=8.3, 2.0 Hz, 1H), 7.66 (s, 1H), 7.16 (d, J=8.6 Hz, 1H), 6.97 (d, J=1.8 Hz, 1H), 4.50 (d, J=12.9 Hz, 1H), 3.84 (dd, J=11.4, 2.8 Hz, 1H), 3.38 (s, 2H), 3.02 (br. s., 4H), 2.77-2.88 (m, J=0.8 Hz, 1H), 2.60 (td, J=12.6, 2.5 Hz, 1H), 2.49-2.55 (m, J=3.5, 1.8, 1.8 Hz, 4H), 2.04 (br. d, J=12.6 Hz, 1H), 1.86-1.87 (m, OH), 1.84 (br. s., 1H), 1.64 (br. d, J=12.6 Hz, 1H), 1.32-1.57 (m, 3H), 0.61-0.72 (m, 2H), 0.51-0.61 (m, 2H); [M+H] calc'd for C26H31ClN6O2, 495; found, 495.

Aufarbeitung

  1. temperatureIt was cooled to room temperature
  2. filtrationthe precipitate was filtered off
  3. washwashed with MeCN (2 mL)
  4. temperaturewith heating
  5. customsonication
  6. temperatureIt was then cooled to ambient temperature
  7. filtrationthe precipitate was filtered off
  8. washwashed with MeCN (2 mL)
  9. customdried in vacuum

Quellen und Nachweise

ORD-Eintrag
ord-489dffe145374f4595f5c89954591deb
Quelldatensatz
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07928105B2

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