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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 18348
ノート
印刷プレビュー

反応式

HRID 18348 の反応式
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
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 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

生成物 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
収率 36%

試薬・触媒・溶媒 2

HCID 167845palladium(II) acetate触媒HCID 7854Propionitrile溶媒

実験手順

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)+.

後処理

  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)

出典と根拠

ORDレコード
ord-49e1071fdfad41fc9bed4109b8e9115d
出典データセット
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07741339B2

反応ノート

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