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Potassium Carbonate → N,N-dimethyl-4-[3-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]propoxy]-3-methoxybenzamide

HRID 266974
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HRID 266974 반응식
[F:1][C:2]1[CH:16]=[CH:15][C:5]2[C:6]([CH:9]3[CH2:14][CH2:13][NH:12][CH2:11][CH2:10]3)=[N:7][O:8][C:4]=2[CH:3]=1.[CH3:17][N:18]([CH3:34])[C:19](=[O:33])[C:20]1[CH:25]=[CH:24][C:23]([O:26][CH2:27][CH2:28][CH2:29]Br)=[C:22]([O:31][CH3:32])[CH:21]=1.C([O-])([O-])=O.[K+].[K+]>C(#N)C>[CH3:34][N:18]([CH3:17])[C:19](=[O:33])[C:20]1[CH:25]=[CH:24][C:23]([O:26][CH2:27][CH2:28][CH2:29][N:12]2[CH2:11][CH2:10][CH:9]([C:6]3[C:5]4[CH:15]=[CH:16][C:2]([F:1])=[CH:3][C:4]=4[O:8][N:7]=3)[CH2:14][CH2:13]2)=[C:22]([O:31][CH3:32])[CH:21]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 11430Potassium CarbonateHCID 8494213-(4-Piperidyl)-6-fluoro-1,2-benzisoxazoleHCID 10358359N,N-dimethyl4 bromopropoxy-3-methoxybenzamide

생성물 1

HCID 10049666N,N-dimethyl-4-[3-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]propoxy]-3-methoxybenzamide

시약·촉매·용매 1

HCID 6342Acetonitrile용매

실험 절차

A stirred mixture of 6-fluoro-3-(4-piperidinyl)-1,2-benzisoxazole (3.9 g, 17.7 mmol), N,N-dimethyl-4-bromopropoxy-3-methoxybenzamide (5.54 g, 17.5 mmol) and K2CO3 (3 g) in acetonitrile (250 ml) was heated at reflux for one hour. At the end of the reaction, the insolubles were filtered and washed with dichloromethane. The solvent was removed on a rotary evaporator. The residue was purified by flash chromatography over a silica gel column. The product thus obtained as an oil weighed 7 g. Crystallization from hot ethanol (45 ml) afforded analytically pure N,N-dimethyl-4-[3-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]propoxyl]-3-methoxybenzamide, 3.95 g, 50%, as light yellow crystals, m.p.=126°-127° C.

후처리

  1. temperaturewas heated
  2. temperatureat reflux for one hour
  3. customAt the end of the reaction
  4. filtrationthe insolubles were filtered
  5. washwashed with dichloromethane
  6. customThe solvent was removed on a rotary evaporator
  7. customThe residue was purified by flash chromatography over a silica gel column
  8. customThe product thus obtained as an oil
  9. customCrystallization from hot ethanol (45 ml)

출처 및 근거

ORD 기록
ord-e130088d67df41dd8190bc8a02d2f115
출처 데이터셋
uspto-grants-1997_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05652241

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