3-Vinylpyridine → HCID 71007600, Verbindung

HRID 1469457

Reaktionsgleichung

Reaktionsgleichung von HRID 1469457
[CH3:1][C:2]1[CH:14]=[N:13][C:12]2[NH:11][C:10]3[CH2:9][CH2:8][N:7]4[CH2:15][CH2:16][CH2:17][CH:6]4[C:5]=3[C:4]=2[CH:3]=1.[CH:18]([C:20]1[CH:21]=[N:22][CH:23]=[CH:24][CH:25]=1)=[CH2:19].[OH-].[Na+]>[Br-].C([N+](CCCC)(CCCC)CCCC)CCC.O>[CH3:1][C:2]1[CH:14]=[N:13][C:12]2[N:11]([CH2:19][CH2:18][C:20]3[CH:21]=[N:22][CH:23]=[CH:24][CH:25]=3)[C:10]3[CH2:9][CH2:8][N:7]4[CH2:15][CH2:16][CH2:17][CH:6]4[C:5]=3[C:4]=2[CH:3]=1

Komponenten

6

Edukt 3

HCID 142723-VinylpyridineHCID 14798Sodium HydroxideHCID 67434681HCID 67434681, Verbindung

Produkt 1

HCID 71007600HCID 71007600, VerbindungAusbeute 39,7 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 74236Tetrabutylammonium BromideKatalysatorHCID 962WaterLösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

A mixture of 9-methyl-2,3,4,5,6,10c-hexahydro-1H-3a,6,7-triaza-cyclopenta[c]fluorene (100 mg, 0.44 mmol), 3-vinyl-pyridine (185 mg, 1.762 mmol), tetrabutylammonium bromide (425 mg, 1.32 mmol) and 50% NaOH solution (6 mL) was stirred at 100° C. for 18 h. The progress of reaction was monitored by TLC and LCMS. The reaction mixture was diluted with water (20 mL) and extracted with EtOAc (2×50 mL). The combined organic layer was washed with brine solution (50 mL), dried over anhydrous sodium sulfate and concentrated under reduced pressure. The residue was purified by silica gel column chromatography to yield 9-methyl-6-(2-pyridin-3-yl-ethyl)-2,3,4,5,6,10c-hexahydro-1H-3a,6,7-triaza-cyclopenta[c]fluorene (58 mg). 1H NMR (CDCl3, freebase) δ (ppm): 8.41 (d, 1H), 8.27 (s, 1H), 8.07 (s, 1H), 7.58 (s, 1H), 7.2 (d, 1H), 7.1 (dd, 1H), 4.4 (m, 2H), 3.99 (bs, 1H), 3.2 (dd, 1H), 3.17 (t, 2H), 2.84-2.7 (m, 3H), 2.5 (m, 1H), 2.41 (s, 3H), 2.2 (dd, 1H), 1.9 (m, 4H). Separation by chiral HPLC provided enantiomers 134a and 134b.

Aufarbeitung

  1. customThe progress of reaction
  2. extractionextracted with EtOAc (2×50 mL)
  3. washThe combined organic layer was washed with brine solution (50 mL)
  4. dry with materialdried over anhydrous sodium sulfate
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified by silica gel column chromatography

Quellen und Nachweise

ORD-Eintrag
ord-6ffea86dfabb4c22a5cc07f602e2c78e
Quelldatensatz
uspto-grants-2015_04
Patentnummer
US09006263B2

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