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Benzenamine, 4-(4-morpholinyl)- → 2-(4-Morpholinophenylamino)-6-(3-acetamidophenyl)pyrazine

HRID 16267
ノート
印刷プレビュー

反応式

HRID 16267 の反応式
[C:1]([NH:4][C:5]1[CH:6]=[C:7]([C:11]2[CH:16]=[N:15][CH:14]=[C:13](Cl)[N:12]=2)[CH:8]=[CH:9][CH:10]=1)(=[O:3])[CH3:2].[O:18]1[CH2:23][CH2:22][N:21]([C:24]2[CH:30]=[CH:29][C:27]([NH2:28])=[CH:26][CH:25]=2)[CH2:20][CH2:19]1.F[B-](F)(F)F.C(C1C=CC=C(CCC)C=1[N+]1CCN(C2C(CCC)=CC=CC=2CCC)C=1)CC.CC(C)([O-])C.[K+]>[Pd].[Pd].C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1.C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1.C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1.O1CCOCC1>[O:18]1[CH2:19][CH2:20][N:21]([C:24]2[CH:25]=[CH:26][C:27]([NH:28][C:13]3[N:12]=[C:11]([C:7]4[CH:6]=[C:5]([NH:4][C:1](=[O:3])[CH3:2])[CH:10]=[CH:9][CH:8]=4)[CH:16]=[N:15][CH:14]=3)=[CH:29][CH:30]=2)[CH2:22][CH2:23]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 75655Benzenamine, 4-(4-morpholinyl)-HCID 116874302-(3-Acetamidophenyl)-6-chloropyrazineHCID 23665647Potassium tert-butoxideHCID 866178521,3-Bis(2,6-di-1-propylphenyl)-4,5-dihydroimidazolium tetrafluoroborate

生成物 1

HCID 115746252-(4-Morpholinophenylamino)-6-(3-acetamidophenyl)pyrazine収率 29.8%

試薬・触媒・溶媒 2

HCID 9832798Tris(dibenzylideneacetone) dipalladium触媒HCID 312751,4-Dioxane溶媒

実験手順

Using Method O, 2-(3-acetamidophenyl)-6-chloropyrazine (150 mg, 0.61 mmol), 4-morpholinoaniline (155.4 mg, 0.87 mmol), tris(dibenzylideneacetone) dipalladium (0) (28 mg, 0.030 mmol), 1,3-bis(2,6-di-1-propylphenyl)-4,5-dihydro-imidazolium tetrafluoroborate (29 mg, 0.061 mmol), potassium tert-butoxide (102 mg, 0.91 mmol), and dioxane (3.5 mL) were reacted at 100° C. for 30 minutes with microwave heating. The reaction crude was passed through a short silica gel column (2 g silica), which was thoroughly washed with ethyl acetate. The last fractions of this column were collected to give 9 mg of pure title compound. The first fractions were collected, the solvent was evaporated under vacuo and the resulting solid was crystallised in ethyl acetate to produce 61 mg of the title compound. Yield: 29.8%. 1H NMR (250 MHz, DMSO-d6) δ 2.09 (s, 3 H), 3.03-3.07 (bt, 4 H), 3.72-3.76 (bt, 4 H), 6.97 (d, 2 H, J=9.0 Hz), 7.42 (t, 1 H, J=7.9 Hz), 7.65-7.68 (m, 2 H), 7.70 (d, 2H, J=8.9 Hz), 8.11 (s; 1 H), 8.33 (bs, 2 H), 9.36 (s, 1 H), 10.09 (s, 1 H); 13C NMR (62.9 MHZ, DMSO-d6) δ 24.11, 49.24, 66.16, 116.01, 117.08, 119.61, 119.89, 121.08, 129.16, 133.03, 133.15, 137.23, 139.87, 146.10, 147.95, 151.70, 168.45; m/z 390.2 [(M+H)+, calcd for C22H23N5O2 389.2].

後処理

  1. customwere reacted at 100° C. for 30 minutes with microwave heating
  2. customThe reaction crude
  3. washwas thoroughly washed with ethyl acetate
  4. customThe last fractions of this column were collected

出典と根拠

ORDレコード
ord-9d88e03a5af74bb6a37187a58cbeb9ef
出典データセット
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07737152B2

反応ノート

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