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2-Aminopyridine → 4-[(3,5-Dimethyl-pyridin-2-ylmethyl)-(3-isopropyl-pyridin-2-ylmethyl)-amino]-piperidine-1-carboxylic acid pyridin-2-ylamide

HRID 1592564
ノート
印刷プレビュー

反応式

HRID 1592564 の反応式
[NH2:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][N:3]=1.[C:8](N1C=CN=C1)(N1C=CN=C1)=[O:9].[CH3:20][C:21]1[C:22]([CH2:28][N:29]([CH2:36][C:37]2[C:42]([CH:43]([CH3:45])[CH3:44])=[CH:41][CH:40]=[CH:39][N:38]=2)[CH:30]2[CH2:35][CH2:34][NH:33][CH2:32][CH2:31]2)=[N:23][CH:24]=[C:25]([CH3:27])[CH:26]=1.C([O-])(O)=O.[Na+]>C(Cl)Cl>[N:3]1[CH:4]=[CH:5][CH:6]=[CH:7][C:2]=1[NH:1][C:8]([N:33]1[CH2:34][CH2:35][CH:30]([N:29]([CH2:28][C:22]2[C:21]([CH3:20])=[CH:26][C:25]([CH3:27])=[CH:24][N:23]=2)[CH2:36][C:37]2[C:42]([CH:43]([CH3:45])[CH3:44])=[CH:41][CH:40]=[CH:39][N:38]=2)[CH2:31][CH2:32]1)=[O:9]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 104392-AminopyridineHCID 682631,1'-CarbonyldiimidazoleHCID 516892Sodium BicarbonateHCID 58997074(3,5-Dimethyl-pyridin-2-ylmethyl)-(3-isopropyl-pyridin-2-ylmethyl)-piperidin-4-yl-amine

生成物 1

HCID 589971674-[(3,5-Dimethyl-pyridin-2-ylmethyl)-(3-isopropyl-pyridin-2-ylmethyl)-amino]-piperidine-1-carboxylic acid pyridin-2-ylamide収率 81%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒2 回

実験手順

To a solution of 2-aminopyridine (69 mg, 0.73 mmol) in CH2Cl2 (5 mL) was added 1,1′-carbonyldiimidazole (122 mg, 0.75 mmol) and the reaction stirred at reflux for 2 h 15 min. after which a solution of (3,5-dimethyl-pyridin-2-ylmethyl)-(3-isopropyl-pyridin-2-ylmethyl)-piperidine-4-yl-amine (87 mg, 0.247 mmol) in CH2Cl2 (3 mL) was added and the reaction stirred at reflux for 2.5 h. The solution was cooled, treated with saturated aqueous NaHCO3 (25 mL) and extracted with CH2Cl2 (3×20 mL). The combined organic extracts were dried (Na2SO4), filtered, and concentrated. Purification of the crude material by radial chromatography on silica gel (1 mm plate, CH2Cl2/MeOH/NH4OH, 100:1:1 then 50:1:1) provided COMPOUND 284 (94 mg, 81%) as a colorless oil: 1H NMR (CDCl3) δ 0.92 (d, 6H, J=6.9 Hz), 1.62-1.75 (m, 2H), 1.92-1.98 (m, 3H), 2.16 (s, 3H), 2.28 (s, 3H), 2.72-2.85 (m, 4H), 3.77 (s, 2H), 3.83 (s, 2H), 4.17-4.21 (m, 2H), 6.92 (dd, 1H, J=6.6, 5.4 Hz), 7.14 (dd, 1H, J=7.8, 4.8 Hz), 7.24 (br s, 2H), 7.50 (dd, 1H, J=7.8, 1.2 Hz), 7.63 (dt, 1H, J=6.9, 1.8 Hz), 8.01 (d, 1H, J=8.4 Hz), 8.19 (s, 1H), 8.33 (dd, 1H, J=4.8, 1.5 Hz). 13C NMR (CDCl3) δ 18.29, 18.45, 23.60, 27.45, 44.80, 54.32, 57.34, 113.61, 118.62, 123.18, 132.28, 133.19, 133.86, 138.48, 139.06, 144.39, 146.08, 146.65, 147.81, 153.27, 154.03, 154.42, 156.23. ES-MS m/z 495 (M+Na). Anal. Calcd. for C28H36N6O.0.8CH2Cl2: C, 63.99; H, 7.01; N, 15.55. Found: C, 64.33; H, 7.28; N, 15.68.

後処理

  1. additionwas added
  2. stirringthe reaction stirred
  3. temperatureat reflux for 2.5 h
  4. temperatureThe solution was cooled
  5. extractionextracted with CH2Cl2 (3×20 mL)
  6. dry with materialThe combined organic extracts were dried (Na2SO4)
  7. filtrationfiltered
  8. concentrationconcentrated
  9. customPurification of the crude material by radial chromatography on silica gel (1 mm plate, CH2Cl2/MeOH/NH4OH, 100:1:1

出典と根拠

ORDレコード
ord-3f849332c15f44ef83a18842baa17f98
出典データセット
uspto-grants-2007_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07291631B2

反応ノート

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