Ethyl Acetate → 2-(1-aminopropyl)-3-iodo-6-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

HRID 58229

反応式

HRID 58229 の反応式
[N:1]([CH:4]([C:7]1[N:8]=[C:9]2[CH:18]=[CH:17][CH:16]=[C:15]([CH3:19])[N:10]2[C:11](=[O:14])[C:12]=1[I:13])[CH2:5][CH3:6])=[N+]=[N-].CP(C)C.CCOC(C)=O>O1CCCC1.O>[NH2:1][CH:4]([C:7]1[N:8]=[C:9]2[CH:18]=[CH:17][CH:16]=[C:15]([CH3:19])[N:10]2[C:11](=[O:14])[C:12]=1[I:13])[CH2:5][CH3:6]

参加物

6

反応物 3

HCID 8857Ethyl AcetateHCID 68983TrimethylphosphineHCID 866500622-(1-azidopropyl)-3-iodo-6-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

生成物 1

HCID 668638382-(1-aminopropyl)-3-iodo-6-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 8028Tetrahydrofuran溶媒2 回

実験手順

To a stirred solution of 2-(1-azidopropyl)-3-iodo-6-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (3.10 g, 8.40 mmol) in tetrahydrofuran (20 mL) and water (6.06 mL) was added a 1.0 M solution of trimethylphosphine in tetrahydrofuran (0.1 mmol) at room temperature and stirred for 1 hour. To the mixture was added EtOAc and the mixture was extracted twice with 1 N HCl. The combined extracts were neutralized with solid sodium bicarbonate and extracted with methylene chloride. The combined organic layers were washed with brine, dried over magnesium sulfate, and concentrated under reduced pressure. The residue was used directly in next step (2.58 g, 89.5%). LCMS calculated for C12H15IN3O (M+H)+: m/z=344.0. Found: 344.2.

後処理

  1. extractionthe mixture was extracted twice with 1 N HCl
  2. extractionextracted with methylene chloride
  3. washThe combined organic layers were washed with brine
  4. dry with materialdried over magnesium sulfate
  5. concentrationconcentrated under reduced pressure

出典と根拠

ORDレコード
ord-9fe9c0f779b44f3eb27919e12ed66e9c
出典データセット
uspto-grants-2016_09
特許番号
US09434746B2

関連ノート

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