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Triethylamine → 3-{4-[(4S)-4-benzyl-2-oxo-1,3-thiazolidin-3-yl]-4-oxobutyl}-1,2,3-benzotriazin-4(3H)-one

HRID 83994
ノート
印刷プレビュー

反応式

HRID 83994 の反応式
[CH2:1]([C@H:8]1[CH2:12][S:11][C:10](=[O:13])[NH:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C(N(CC)CC)C.Cl.C(N=C=N)C.[O:27]=[C:28]1[C:33]2[CH:34]=[CH:35][CH:36]=[CH:37][C:32]=2[N:31]=[N:30][N:29]1[CH2:38][CH2:39][CH2:40][C:41](O)=[O:42]>ClCCl.CN(C)C1C=CN=CC=1.O>[CH2:1]([C@H:8]1[CH2:12][S:11][C:10](=[O:13])[N:9]1[C:41](=[O:42])[CH2:40][CH2:39][CH2:38][N:29]1[C:28](=[O:27])[C:33]2[CH:34]=[CH:35][CH:36]=[CH:37][C:32]=2[N:31]=[N:30]1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=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 4

HCID 8471TriethylamineHCID 47367434-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)butanoic acidHCID 21883477Ethylcarbodiimide hydrochlorideHCID 25417901(4S)-4-Benzyl-1,3-thiazolidin-2-one

生成物 1

HCID 667150953-{4-[(4S)-4-benzyl-2-oxo-1,3-thiazolidin-3-yl]-4-oxobutyl}-1,2,3-benzotriazin-4(3H)-one

試薬・触媒・溶媒 3

HCID 14284
4-(Dimethylamino)pyridine
触媒
HCID 962Water溶媒
HCID 6344Dichloromethane溶媒2 回

実験手順

To a solution of the compound obtained from step c above (2.1 g) in dichloromethane (25 mL) cooled to 0° C., 4-dimethylaminopridine (0.334 g) and triethylamine (5.7 mL) were added. After stirring the reaction mixture for 10 minutes, 1-β-dimethylaminopropyl)-3-ethylcarbodimide hydrochloride (3.9 g) and 4-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)butanoic acid (3 g) were added, and the reaction mixture was stirred at room temperature for 14 hours. Dichloromethane and water were added to the reaction mixture. The organic layer was separated, washed with water and brine solution, and dried over anhydrous sodium sulphate. The solvent was evaporated under reduced pressure to obtain a residue which was purified by column chromatography over silica gel using 25% ethyl acetate in hexane as eluant to afford the title compound (4.4 g). Mass (m/z): 409.16

後処理

  1. stirringthe reaction mixture was stirred at room temperature for 14 hours
  2. customThe organic layer was separated
  3. washwashed with water and brine solution
  4. dry with materialdried over anhydrous sodium sulphate
  5. customThe solvent was evaporated under reduced pressure
  6. customto obtain a residue which
  7. customwas purified by column chromatography over silica gel using 25% ethyl acetate in hexane as eluant

出典と根拠

ORDレコード
ord-0d599c1a59514fb1acac3acaa79a94cd
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08846910B2

反応ノート

読み込み中…

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