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Triethylamine → 3-{2-[4-(4-chloro-3-methoxy-phenyl)-piperazin-1-yl]-2-oxo-ethyl}-6-hydroxy-3H-benzooxazol-2-one

HRID 1710654
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HRID 1710654 반응식
[OH:1][C:2]1[CH:15]=[CH:14][C:5]2[N:6]([CH2:10][C:11]([OH:13])=O)[C:7](=[O:9])[O:8][C:4]=2[CH:3]=1.Cl.Cl.[Cl:18][C:19]1[CH:24]=[CH:23][C:22]([N:25]2[CH2:30][CH2:29][NH:28][CH2:27][CH2:26]2)=[CH:21][C:20]=1[O:31][CH3:32].F[P-](F)(F)(F)(F)F.N1(O[P+](N(C)C)(N(C)C)N(C)C)C2C=CC=CC=2N=N1.C(N(CC)CC)C>CN(C=O)C.CCOC(C)=O>[Cl:18][C:19]1[CH:24]=[CH:23][C:22]([N:25]2[CH2:26][CH2:27][N:28]([C:11](=[O:13])[CH2:10][N:6]3[C:5]4[CH:14]=[CH:15][C:2]([OH:1])=[CH:3][C:4]=4[O:8][C:7]3=[O:9])[CH2:29][CH2:30]2)=[CH:21][C:20]=1[O:31][CH3:32]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 8471TriethylamineHCID 151348Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 58834368(6-Hydroxy-2-oxo-benzooxazol-3-yl)-acetic acidHCID 671038731-(4-Chloro-3-methoxyphenyl)piperazine dihydrochloride

생성물 1

HCID 588343493-{2-[4-(4-chloro-3-methoxy-phenyl)-piperazin-1-yl]-2-oxo-ethyl}-6-hydroxy-3H-benzooxazol-2-one

시약·촉매·용매 2

HCID 6228Dimethylformamide용매HCID 8857Ethyl Acetate용매

실험 절차

A mixture of (6-hydroxy-2-oxo-benzooxazol-3-yl)-acetic acid (53) (800 mg, 1 equiv), 1-(4-chloro-3-methoxy-phenyl)-piperazine dihydrochloride (1.16 g, 1 equiv), BOP (1.7 g, 1 equiv), triethylamine (5 mL, 5 equiv) in 10 ml of DMF was stirred at room temperature for overnight. The resultant solution was then diluted with EtOAc (50 mL) and washed with water. The organic layer was dried over sodium sulfate and concentrated in vacuo to provide a crude residue which was purified by flash chromatography to provide 3-{2-[4-(4-chloro-3-methoxy-phenyl)-piperazin-1-yl]-2-oxo-ethyl}-6-hydroxy-3H-benzooxazol-2-one (54).

후처리

  1. washwashed with water
  2. dry with materialThe organic layer was dried over sodium sulfate
  3. concentrationconcentrated in vacuo
  4. customto provide a crude residue which
  5. customwas purified by flash chromatography

출처 및 근거

ORD 기록
ord-3c319090d0d64ba0834243b68b94c5e1
출처 데이터셋
uspto-grants-2010_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07790726B2

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