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

HRID 17356
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HRID 17356 반응식
F[C:2]1[C:3]([C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)=[C:4]([CH3:19])[C:5]([C:17]#[N:18])=[C:6]2[C:10]=1[O:9][C:8]([C:11]([CH3:16])([CH3:15])[CH2:12][O:13][CH3:14])=[N:7]2.C(N(CC)CC)C.[CH3:33][N:34]([CH3:40])[C@H:35]1[CH2:39][CH2:38][NH:37][CH2:36]1.C(OCC)(=O)C>CS(C)=O.O>[CH3:33][N:34]([CH3:40])[C@H:35]1[CH2:39][CH2:38][N:37]([C:2]2[C:3]([C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=3)=[C:4]([CH3:19])[C:5]([C:17]#[N:18])=[C:6]3[C:10]=2[O:9][C:8]([C:11]([CH3:16])([CH3:15])[CH2:12][O:13][CH3:14])=[N:7]3)[CH2:36]1
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참가 물질

7

반응물 4

HCID 8471TriethylamineHCID 8857Ethyl AcetateHCID 7019156(3S)-(-)-3-(Dimethylamino)pyrrolidineHCID 685855317-Fluoro-2-(2-methoxy-1,1-dimethylethyl)-5-methyl-6-phenyl-1,3-benzoxazole-4-carbonitrile

생성물 1

HCID 685859187-[(3S)-3-(Dimethylamino)pyrrolidin-1-yl]-2-[2-methoxy-1,1-dimethylethyl]-5-methyl-6-phenyl-1,3-benzoxazole-4-carbonitrile수율 35%

시약·촉매·용매 2

HCID 679Dimethyl Sulfoxide용매HCID 962Water용매

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온도
90 °C

실험 절차

7-Fluoro-2-(2-methoxy-1,1-dimethylethyl)-5-methyl-6-phenyl-1,3-benzoxazole-4-carbonitrile (I-100) (40 mg, 0.12 mmol) was dissolved in dimethyl sulfoxide (0.8 ml), triethylamine (23 μl, 0.17 mmol) and (3S)-3-(dimethylamino)pyrrolidine (18 μl, 0.14 mmol) were added, followed by stirring at 90° C. for 3 hours under nitrogen atmosphere. After cooling to room temperature, ethyl acetate was added, followed by fractionation with water. The organic layer was washed with saturated brine, dried over anhydrous sodium sulfate. The solvent was evaporated away and the resulting residue was subjected to preparative thin-layer silica gel column chromatography, eluted with a mixed solvent of chloroform/methanol (10:1, v/v), and washed with n-hexane and ethyl acetate to obtain the entitled compound (18 mg, 35%) as a white solid.

후처리

  1. temperatureAfter cooling to room temperature
  2. washThe organic layer was washed with saturated brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. customThe solvent was evaporated away
  5. washeluted with a mixed solvent of chloroform/methanol (10:1
  6. washv/v), and washed with n-hexane and ethyl acetate

출처 및 근거

ORD 기록
ord-680d0e84eb3648ddb9730fdb30f70cc1
출처 데이터셋
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07737166B2

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