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Potassium Carbonate → N-((5-((2-(2-(pyrrolidin-1-yl)acetamido)pyridin-4-yl)oxy)pyridin-2-yl)carbamoyl)pivalamide

HRID 626562
ノート
印刷プレビュー

反応式

HRID 626562 の反応式
[CH2:1]1[CH2:5][N:4]([CH2:6][C:7]([OH:9])=O)[CH2:3][CH2:2]1.S(Cl)(Cl)=O.[NH2:14][C:15]1[CH:20]=[C:19]([O:21][C:22]2[CH:23]=[CH:24][C:25]([NH:28][C:29]([NH:31][C:32](=[O:37])[C:33]([CH3:36])([CH3:35])[CH3:34])=[O:30])=[N:26][CH:27]=2)[CH:18]=[CH:17][N:16]=1.CCN(C(C)C)C(C)C.C([O-])([O-])=O.[K+].[K+]>C(Cl)Cl.C1COCC1>[N:4]1([CH2:6][C:7]([NH:14][C:15]2[CH:20]=[C:19]([O:21][C:22]3[CH:23]=[CH:24][C:25]([NH:28][C:29]([NH:31][C:32](=[O:37])[C:33]([CH3:35])([CH3:34])[CH3:36])=[O:30])=[N:26][CH:27]=3)[CH:18]=[CH:17][N:16]=2)=[O:9])[CH2:3][CH2:2][CH2:1][CH2:5]1
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 5

HCID 11430Potassium CarbonateHCID 24386Thionyl ChlorideHCID 81531DiisopropylethylamineHCID 414564Pyrrolidin-1-ylacetic acidHCID 90409811N-((5-((2-aminopyridin-4-yl)oxy)pyridin-2-yl)carbamoyl)pivalamide

生成物 1

HCID 86274186N-((5-((2-(2-(pyrrolidin-1-yl)acetamido)pyridin-4-yl)oxy)pyridin-2-yl)carbamoyl)pivalamide
収率 15.5%

試薬・触媒・溶媒 2

HCID 6344Dichloromethane溶媒HCID 8028Tetrahydrofuran溶媒

実験手順

A solution of 1-pyrrolidinylacetic acid (0.082 g, 0.638 mmol) in thionyl chloride (3 mL, 41.1 mmol) and DCM (3 mL) was stirred at RT for 3 h, concentrated to dryness, suspended in THF (5 mL), added to a 0° C. solution of Example C1 (0.15 g, 0.455 mmol) and DIEA (0.239 mL, 1.366 mmol) in THF (5 mL), allowed to warm to RT and stirred overnight. The mixture was treated with 10% K2CO3, extracted with DCM (4×) and the combined organics were washed with brine, dried over Na2SO4, concentrated to dryness and purified via silica gel chromatography (MeOH/EtOAc). The material was further purified via preparative TLC (MeOH/DCM/TEA) to afford N-((5-((2-(2-(pyrrolidin-1-yl)acetamido)pyridin-4-yl)oxy)pyridin-2-yl)carbamoyl)pivalamide (31 mg, 15%). 1H NMR (400 MHz, DMSO-d6): δ 11.23 (s, 1H), 10.44 (s, 1H), 9.98 (s, 1H), 8.26 (d, J=2.9 Hz, 1H), 8.20 (d, J=5.8 Hz, 1H), 8.09 (d, J=9.0 Hz, 1H), 7.74 (dd, J=9.0, 2.9 Hz, 1H), 7.64 (d, J=2.4 Hz, 1H), 6.74 (dd, J=5.8, 2.4 Hz, 1H), 3.27 (s, 2H), 2.58 (s, 4H), 1.73-1.71 (m, 4H), 1.21 (s, 9H); MS (ESI) m/z: 441.2 (M+H+).

後処理

  1. concentrationconcentrated to dryness
  2. extractionextracted with DCM (4×)
  3. washthe combined organics were washed with brine
  4. dry with materialdried over Na2SO4
  5. concentrationconcentrated to dryness
  6. custompurified via silica gel chromatography (MeOH/EtOAc)
  7. customThe material was further purified via preparative TLC (MeOH/DCM/TEA)

出典と根拠

ORDレコード
ord-d966b9f3bb6f4644a1db04c96882fbfe
出典データセット
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09309224B2

反応ノート

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