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Iodobenzene → (8S)-2-(morpholin-4-yl)-9-phenyl-8-(trifluoromethyl)-6,7,8,9-tetrahydro-4H-pyrimido[1,2-a]pyrimidin-4-one

HRID 80605
ノート
印刷プレビュー

反応式

HRID 80605 の反応式
[N:1]1([C:7]2[N:8]=[C:9]3[NH:17][C@H:16]([C:18]([F:21])([F:20])[F:19])[CH2:15][CH2:14][N:10]3[C:11](=[O:13])[CH:12]=2)[CH2:6][CH2:5][O:4][CH2:3][CH2:2]1.P([O-])([O-])([O-])=O.[K+].[K+].[K+].I[C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1>[Cu](I)I.CN(C)C=O>[N:1]1([C:7]2[N:8]=[C:9]3[N:17]([C:31]4[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=4)[C@H:16]([C:18]([F:20])([F:21])[F:19])[CH2:15][CH2:14][N:10]3[C:11](=[O:13])[CH:12]=2)[CH2:6][CH2:5][O:4][CH2:3][CH2:2]1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 11575IodobenzeneHCID 62657Potassium Phosphate, TribasicHCID 136238743(S)-8-(Morpholin-4-yl)-2-(trifluoromethyl)-1,2,3,4-tetrahydropyrimido[1,2-a]pyrimidin-6-one

生成物 1

HCID 49853991(8S)-2-(morpholin-4-yl)-9-phenyl-8-(trifluoromethyl)-6,7,8,9-tetrahydro-4H-pyrimido[1,2-a]pyrimidin-4-one

試薬・触媒・溶媒 2

HCID 83717Copper iodide
触媒
HCID 6228Dimethylformamide溶媒

反応条件

温度
150 °C

実験手順

In a microwave tube, 425 mg of (S)-2-morpholin-4-yl-8-trifluoromethyl-6,7,8,9-tetrahydropyrimido[1,2-a]pyrimidin-4-one (Example 1e) are introduced into 1 ml of dimethylformamide, 422 mg of tripotassium phosphate, 380 mg of copper iodide and 2 ml of iodobenzene. The mixture obtained is heated in a microwave oven for 30 minutes at 150° C. The reaction mixture is then centrifuged. The separated supernatant is then rinsed with ethyl acetate and then evaporated to dryness. The residue is taken up with ethyl acetate and the solution obtained is washed with water. The organic phase is separated and then dried over magnesium sulphate, filtered, and concentrated under vacuum. After purification by silica chromatography (gradient of 5% to 15% of the eluent CH2Cl2/MeOH/NH4OH 28% 38/17/2 in dichloromethane), 150 mg of (8S)-2-(morpholin-4-yl)-9-phenyl-8-(trifluoromethyl)-6,7,8,9-tetrahydro-4H-pyrimido[1,2-a]pyrimidin-4-one are obtained, the characteristics of which are the following:

後処理

  1. customThe mixture obtained
  2. washThe separated supernatant is then rinsed with ethyl acetate
  3. customevaporated to dryness
  4. customthe solution obtained
  5. washis washed with water
  6. customThe organic phase is separated
  7. dry with materialdried over magnesium sulphate
  8. filtrationfiltered
  9. concentrationconcentrated under vacuum
  10. customAfter purification by silica chromatography (gradient of 5% to 15% of the eluent CH2Cl2/MeOH/NH4OH 28% 38/17/2 in dichloromethane), 150 mg of (8S)-2-(morpholin-4-yl)-9-phenyl-8-(trifluoromethyl)-6,7,8,9-tetrahydro-4H-pyrimido[1,2-a]pyrimidin-4-one
  11. customare obtained

出典と根拠

ORDレコード
ord-6bf47a4ec8af4408815c10fc742f740f
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08846670B2

反応ノート

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