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Diisopropylethylamine → 3,5-Dichlorobenzyl 2-(2-(N-methyl-2-oxo-2,3-dihydrooxazole-5-carboxamido)ethyl)morpholine-4-carboxylate

HRID 1480386
ノート
印刷プレビュー

反応式

HRID 1480386 の反応式
[CH3:1][NH:2][CH2:3][CH2:4][CH:5]1[O:10][CH2:9][CH2:8][N:7]([C:11]([O:13][CH2:14][C:15]2[CH:20]=[C:19]([Cl:21])[CH:18]=[C:17]([Cl:22])[CH:16]=2)=[O:12])[CH2:6]1.[O:23]=[C:24]1[NH:28][CH:27]=[C:26]([C:29](O)=[O:30])[O:25]1.C(P1(=O)OP(CCC)(=O)OP(CCC)(=O)O1)CC.CCN(C(C)C)C(C)C>CN(C=O)C.CCOC(C)=O>[CH3:1][N:2]([CH2:3][CH2:4][CH:5]1[O:10][CH2:9][CH2:8][N:7]([C:11]([O:13][CH2:14][C:15]2[CH:16]=[C:17]([Cl:22])[CH:18]=[C:19]([Cl:21])[CH:20]=2)=[O:12])[CH2:6]1)[C:29]([C:26]1[O:25][C:24](=[O:23])[NH:28][CH:27]=1)=[O:30]
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 81531DiisopropylethylamineHCID 111923Propylphosphonic anhydrideHCID 539814232-Hydroxy-1,3-oxazole-5-carboxylic acidHCID 867226373,5-Dichlorobenzyl 2-(2-(methylamino)ethyl)morpholine-4-carboxylate

生成物 1

HCID 762863523,5-Dichlorobenzyl 2-(2-(N-methyl-2-oxo-2,3-dihydrooxazole-5-carboxamido)ethyl)morpholine-4-carboxylate

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒2 回HCID 8857Ethyl Acetate溶媒

実験手順

A mixture comprising of 3,5-dichlorobenzyl 2-(2-(methylamino)ethyl)morpholine-4-carboxylate (step 2)(169 mg, 0.487 mmol), 2-oxo-2,3-dihydrooxazole-5-carboxylic acid ((Example 21, step 1)) (161 mg, 0.487 mmol), T3P® (50% in DMF) (426 μl, 0.730 mmol) and Huenig's base (425 μl, 2.433 mmol) in DMF (1622 μl) was stirred at room temperature for 20 hours. The resulting mixture was diluted with EtOAc and washed with water. The organic portion was dried with MgSO4, filtered and concentrated under reduced pressure. The crude material was dry loaded with silica onto an ISCO 4 g column eluting with 0-100% EtOAc (1% acetic acid) in iso-hexane. The product fractions were concentrated under reduced pressure to afford the title compound;

後処理

  1. washwashed with water
  2. dry with materialThe organic portion was dried with MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure
  5. dry with materialThe crude material was dry
  6. washeluting with 0-100% EtOAc (1% acetic acid) in iso-hexane
  7. concentrationThe product fractions were concentrated under reduced pressure

出典と根拠

ORDレコード
ord-e0dc003004fe4d28ab49b198ea48458d
出典データセット
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09409895B2

反応ノート

読み込み中…

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