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Tri-o-tolylphosphine → (E)-N-methyl-N-(2-methyl-1H-indol-3-ylmethyl)-3-[3-(2-methoxyethyl)-2-oxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidin-6-yl]acrylamide

HRID 1826062
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1826062
Br[C:2]1[CH:16]=[N:15][C:5]2[NH:6][C:7](=[O:14])[N:8]([CH2:10][CH2:11][O:12][CH3:13])[CH2:9][C:4]=2[CH:3]=1.[CH3:17][C:18]1[NH:19][C:20]2[C:25]([C:26]=1[CH2:27][N:28]([CH3:33])[C:29](=[O:32])[CH:30]=[CH2:31])=[CH:24][CH:23]=[CH:22][CH:21]=2.C1(C)C=CC=CC=1P(C1C=CC=CC=1C)C1C=CC=CC=1C.C(N(C(C)C)CC)(C)C>C(#N)CC.CC([O-])=O.CC([O-])=O.[Pd+2]>[CH3:33][N:28]([CH2:27][C:26]1[C:25]2[C:20](=[CH:21][CH:22]=[CH:23][CH:24]=2)[NH:19][C:18]=1[CH3:17])[C:29](=[O:32])/[CH:30]=[CH:31]/[C:2]1[CH:16]=[N:15][C:5]2[NH:6][C:7](=[O:14])[N:8]([CH2:10][CH2:11][O:12][CH3:13])[CH2:9][C:4]=2[CH:3]=1
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Komponenten

7

Edukt 4

HCID 80271Tri-o-tolylphosphineHCID 81531DiisopropylethylamineHCID 221390516-bromo-3-(2-methoxyethyl)-3,4-dihydro-1H-pyrido[2,3-d]pyrimidin-2-oneHCID 22139057N-(2-methyl-1H-indol-3-ylmethyl)-N-methylacrylamide

Produkt 1

HCID 11743597(E)-N-methyl-N-(2-methyl-1H-indol-3-ylmethyl)-3-[3-(2-methoxyethyl)-2-oxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidin-6-yl]acrylamide
Ausbeute 36 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 167845palladium(II) acetateKatalysatorHCID 7854PropionitrileLösungsmittel

Versuchsvorschrift

A solution of 6-bromo-3-(2-methoxyethyl)-3,4-dihydro-1H-pyrido[2,3-d]pyrimidin-2-one (0.86 g, 3.00 mmole), N-(2-methyl-1H-indol-3-ylmethyl)-N-methylacrylamide (see Example 1 (a), 0.68 g, 3.00 mmole), Pd(OAc)2 (0.07 g, 0.30 mmole), tri-ortho-tolylphosphine (0.18 g, 0.60 mmole) and diisopropylethylamine (1.31 mL, 7.50 mmole) in propionitrile (50 mL) was deoxygenated, then was heated at reflux under N2 overnight. The dark mixture was filtered through a pad of celite®, and the filter pad was rinsed with acetonitrile (250 mL). The filtrate was concentrated in vacuo, and the residue was purified by flash chromatography on silica gel (10% EtOAc/EtOH). The title compound (0.46 g, 36%) was obtained as a light yellow solid after drying in vacuo: MS (ES) m/e 434 (M+H)+.

Aufarbeitung

  1. temperaturewas heated
  2. temperatureat reflux under N2 overnight
  3. filtrationThe dark mixture was filtered through a pad of celite®
  4. washthe filter pad was rinsed with acetonitrile (250 mL)
  5. concentrationThe filtrate was concentrated in vacuo
  6. customthe residue was purified by flash chromatography on silica gel (10% EtOAc/EtOH)

Quellen und Nachweise

ORD-Eintrag
ord-8f34b4dae6694ffcb4e7a0583bce192f
Quelldatensatz
uspto-grants-2006_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07049310B2

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