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Triethylamine → 2-cyclopropyl-7-[(3S)-3-(dimethylamino)pyrrolidin-1-yl]-5-methyl-6-phenyl-1,3-benzoxazole-4-carbonitrile

HRID 17447
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HRID 17447 반응식
[CH:1]1([C:4]2[O:5][C:6]3[C:7](=[C:9]([C:21]#[N:22])[C:10]([CH3:20])=[C:11]([C:14]4[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=4)[C:12]=3F)[N:8]=2)[CH2:3][CH2:2]1.C(N(CC)CC)C.[CH3:30][N:31]([CH3:37])[C@H:32]1[CH2:36][CH2:35][NH:34][CH2:33]1.C(OCC)(=O)C>CS(C)=O.[Cl-].[Na+].O>[CH:1]1([C:4]2[O:5][C:6]3[C:7](=[C:9]([C:21]#[N:22])[C:10]([CH3:20])=[C:11]([C:14]4[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=4)[C:12]=3[N:34]3[CH2:35][CH2:36][C@H:32]([N:31]([CH3:37])[CH3:30])[CH2:33]3)[N:8]=2)[CH2:3][CH2:2]1
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참가 물질

7

반응물 4

HCID 8471TriethylamineHCID 8857Ethyl AcetateHCID 7019156(3S)-(-)-3-(Dimethylamino)pyrrolidineHCID 510414282-Cyclopropyl-7-fluoro-5-methyl-6-phenylbenzoxazole-4-carbonitrile

생성물 1

HCID 529480762-cyclopropyl-7-[(3S)-3-(dimethylamino)pyrrolidin-1-yl]-5-methyl-6-phenyl-1,3-benzoxazole-4-carbonitrile수율 69%

시약·촉매·용매 2

HCID 679Dimethyl Sulfoxide용매HCID 57417360Sodium chloride; water용매

실험 절차

2-Cyclopropyl-7-fluoro-5-methyl-6-phenyl-1,3-benzoxazole-4-carbonitrile (I-173) (70 mg, 0.24 mmol) was dissolved in dimethyl sulfoxide (2 ml), then at room temperature, triethylamine (50 μl, 0.36 mmol) and (3S)-3-(dimethylamino)pyrrolidine (40 μl, 0.31 mmol) were added. After cooling to room temperature, the reaction liquid was fractionated with ethyl acetate and saturated brine. The aqueous layer was further extracted twice with ethyl acetate. The organic layers were combined, washed with saturated brine, and dried over anhydrous sodium sulfate. The insoluble matter was separated by filtration, then the solvent was evaporated away, and the resulting residue was purified by preparative TLC (eluent, chloroform:methanol=97:3) to obtain a roughly-purified product (64 mg, 69%).

후처리

  1. customthe reaction liquid
  2. extractionThe aqueous layer was further extracted twice with ethyl acetate
  3. washwashed with saturated brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. customThe insoluble matter was separated by filtration
  6. customthe solvent was evaporated away
  7. customthe resulting residue was purified by preparative TLC (eluent, chloroform:methanol=97:3)

출처 및 근거

ORD 기록
ord-7af7ee6c29404201a73b5e037a735cdd
출처 데이터셋
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07737166B2

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