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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
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HRID 83994 반응식
[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
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

8

반응물 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

생성물 1

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

시약·촉매·용매 3

HCID 14284
4-(Dimethylamino)pyridine
촉매
HCID 962Water용매
HCID 6344Dichloromethane용매2회

실험 절차

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

후처리

  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

출처 및 근거

ORD 기록
ord-0d599c1a59514fb1acac3acaa79a94cd
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08846910B2

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