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Sodium Iodide → HCID 19786577, 화합물

HRID 1646723
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HRID 1646723 반응식
Cl[CH2:2][CH2:3][CH2:4][CH:5]1[C:19](=[O:20])[C:9]2[C:10]([C:13]3[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=3)=[N:11][O:12][C:8]=2[CH2:7][CH2:6]1.[CH:21]([N:24]([CH:27]([CH3:29])C)CC)([CH3:23])C.N1CCCC1.[I-].[Na+]>CN(C)C=O>[C:13]1([C:10]2[C:9]3[C:19](=[O:20])[CH:5]([CH2:4][CH2:3][CH2:2][N:24]4[CH2:21][CH2:23][CH2:29][CH2:27]4)[CH2:6][CH2:7][C:8]=3[O:12][N:11]=2)[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1
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참가 물질

6

반응물 4

HCID 5238Sodium IodideHCID 31268PyrrolidineHCID 81531DiisopropylethylamineHCID 19786584HCID 19786584, 화합물

생성물 1

HCID 19786577HCID 19786577, 화합물

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

To a solution consisting of 5-(3-chloropropyl)-6,7-dihydro-3-phenyl-1,2-benzisoxazol-4(5H)-one (3.75 g) and dimethylformamide (37.0 ml) was added diisopropylethyl amine (6.81 ml), pyrrolidine (2.17 ml) and sodium iodide (5.85 g) at room temperature with stirring. The reaction was flushed with nitrogen and warmed at 73°-76° C. for 1.25-2 hours. Upon cooling to room temperature, dilute aqueous sodium bicarbonate and ethyl acetate were added to the reaction mixture. The layers were separated and the aqueous layer extracted twice with ethyl acetate and once with ether. The combined organic layers were washed with brine and dried (MgSO4). Filtration and concentration gave the crude product. Purification via flash column chromatography (silica gel, 2% triethylamine/0-10% methanol/ether) afforded 3.10 g of 6,7-dihydro-3-phenyl-5-[3-(1-pyrrolidinyl)-propyl]-1,2-benzisoxazol-4(5H)-one as an oil which solidified on standing. The salicylate was prepared with 1.07 eq. salicylic acid in ether. The resulting solid was redissolved with methanol. Addition of pentane led to precipitation of the target salt. Filtration and washing with pentane gave 6,7-dihydro-3-phenyl-5-[3(1-pyrrolidinyl)-propyl]-1,2-benzisoxazol-4(5H)-one salicylate, m.p. 106°-107° C.

후처리

  1. customThe reaction was flushed with nitrogen
  2. temperaturewarmed at 73°-76° C. for 1.25-2 hours
  3. additiondilute aqueous sodium bicarbonate and ethyl acetate were added to the reaction mixture
  4. customThe layers were separated
  5. extractionthe aqueous layer extracted twice with ethyl acetate and once with ether
  6. washThe combined organic layers were washed with brine
  7. dry with materialdried (MgSO4)
  8. filtrationFiltration and concentration
  9. customgave the crude product
  10. customPurification via flash column chromatography (silica gel, 2% triethylamine/0-10% methanol/ether)

출처 및 근거

ORD 기록
ord-3d41f8c903fd446098fadaebd2f8a8c9
출처 데이터셋
uspto-grants-1993_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05180834

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