Oxalic Acid → 1-[3-(6-Fluoro-1,2-benzisoxazol-3-yl)propyl]-4-(4-fluorophenyl)piperazine oxalate

HRID 64873

반응식

HRID 64873 반응식
Cl[CH2:2][CH2:3][CH2:4][C:5]1[C:9]2[CH:10]=[CH:11][C:12]([F:14])=[CH:13][C:8]=2[O:7][N:6]=1.[F:15][C:16]1[CH:21]=[CH:20][C:19]([N:22]2[CH2:27][CH2:26][NH:25][CH2:24][CH2:23]2)=[CH:18][CH:17]=1.C(=O)([O-])[O-].[K+].[K+].[I-].[K+].[C:36]([OH:41])(=[O:40])[C:37]([OH:39])=[O:38]>CN(C)C=O>[C:36]([OH:41])(=[O:40])[C:37]([OH:39])=[O:38].[F:14][C:12]1[CH:11]=[CH:10][C:9]2[C:5]([CH2:4][CH2:3][CH2:2][N:25]3[CH2:24][CH2:23][N:22]([C:19]4[CH:18]=[CH:17][C:16]([F:15])=[CH:21][CH:20]=4)[CH2:27][CH2:26]3)=[N:6][O:7][C:8]=2[CH:13]=1

참가 물질

7

반응물 5

HCID 971Oxalic AcidHCID 4875Potassium IodideHCID 11430Potassium CarbonateHCID 752601-(4-Fluorophenyl)piperazineHCID 109108803-(3-Chloropropyl)-6-fluorobenzo[d]isoxazole

생성물 1

HCID 135207331-[3-(6-Fluoro-1,2-benzisoxazol-3-yl)propyl]-4-(4-fluorophenyl)piperazine oxalate

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

A mixture of 5.0 g of 3-(3-chloropropyl)-6-fluoro-1,2-benzisoxazole, 4.0 g of 1-(4-fluorophenyl)piperazine, 10 g of potassium carbonate and a few crystals potassium iodide in 70 ml of dimethylformamide was stirred at 80° C. for 4.5 hr. The mixture was cooled, filtered and concentrated to an oil, which was stirred with water and extracted with ethyl acetate-ether. The organic extracts were washed with water (2×), saturated sodium chloride solution, and dried over anhydrous magnesium sulfate. The mixture was filtered and concentrated. The residue was purified by column chromatography (silica gel, tetrahydrofuran) to give an oil. The oil was converted to 4.5 g (45%) of product by treatment with oxalic acid. Two recrystallizations from ethyl acetate/methanol gave the analytical sample, mo 186°-187° C. (dec).

후처리

  1. temperatureThe mixture was cooled
  2. filtrationfiltered
  3. concentrationconcentrated to an oil, which
  4. extractionextracted with ethyl acetate-ether
  5. washThe organic extracts were washed with water (2×), saturated sodium chloride solution
  6. dry with materialdried over anhydrous magnesium sulfate
  7. filtrationThe mixture was filtered
  8. concentrationconcentrated
  9. customThe residue was purified by column chromatography (silica gel, tetrahydrofuran)
  10. customto give an oil
  11. customTwo recrystallizations from ethyl acetate/methanol
  12. customgave the analytical sample, mo 186°-187° C. (dec)

출처 및 근거

ORD 기록
ord-ab3f0d82e4be403ea50296641c73b690
출처 데이터셋
uspto-grants-1986_09
특허 번호
US04610988

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