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Water → 2-(2-(3-Methyl-1,2,4-oxadiazol-5-yl)benzyl)-9-(quinoxalin-2-yl)-2,9-diazaspiro[5.5]undecan-1-one

HRID 41555
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HRID 41555 반응식
[N:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[N:4]=[CH:3][C:2]=1[N:11]1[CH2:22][CH2:21][C:14]2([C:19](=[O:20])[NH:18][CH2:17][CH2:16][CH2:15]2)[CH2:13][CH2:12]1.[H-].[Na+].Br[CH2:26][C:27]1[CH:32]=[CH:31][CH:30]=[CH:29][C:28]=1[C:33]1[O:37][N:36]=[C:35]([CH3:38])[N:34]=1.O>CCCC[N+](CCCC)(CCCC)CCCC.[I-].C1COCC1.C(OCC)(=O)C>[CH3:38][C:35]1[N:34]=[C:33]([C:28]2[CH:29]=[CH:30][CH:31]=[CH:32][C:27]=2[CH2:26][N:18]2[CH2:17][CH2:16][CH2:15][C:14]3([CH2:21][CH2:22][N:11]([C:2]4[CH:3]=[N:4][C:5]5[C:10](=[CH:9][CH:8]=[CH:7][CH:6]=5)[N:1]=4)[CH2:12][CH2:13]3)[C:19]2=[O:20])[O:37][N:36]=1
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참가 물질

8

반응물 4

HCID 962WaterHCID 24758Sodium hydrideHCID 242295032-(3-Methyl-1,2,4-oxadiazol-5-yl)benzyl bromideHCID 672517459-(Quinoxalin-2-yl)-2,9-diazaspiro[5.5]undecan-1-one

생성물 1

HCID 532594672-(2-(3-Methyl-1,2,4-oxadiazol-5-yl)benzyl)-9-(quinoxalin-2-yl)-2,9-diazaspiro[5.5]undecan-1-one수율 98%

시약·촉매·용매 3

HCID 67553
Tetrabutylammonium Iodide
촉매
HCID 8028Tetrahydrofuran용매2회
HCID 8857Ethyl Acetate용매

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온도
0 °C

실험 절차

To a suspension of 9-(quinoxalin-2-yl)-2,9-diazaspiro[5.5]undecan-1-one (41 mg, 0.14 mmol) and TBAI (2.6 mg, 6.9 μmol) in THF (0.6 ml) was added sodium hydride (7.0 mg, 95%, 2.8 mmol) at 0° C. The yellow suspension was stirred for 20 min at 0° C. under argon. A solution of 5-(2-(bromomethyl)phenyl)-3-methyl-1,2,4-oxadiazole in dry THF (0.4 ml) was added and stirring was continued for 2 h at rt. To the reaction mixture was added water and ethyl acetate. The aqueous phase was extracted with ethyl acetate. The organic phases were washed with water and brine, combined and dried over sodium sulfate, filtered and evaporated to give 64 mg (98%) of a pale brown oil. [1H NMR (600 MHz, DMSO-d6) ♀ ppm 8.84 (s, 1H), 8.05 (d, J=7.9 Hz, 1H), 7.81 (d, J=8.3 Hz, 1H), 7.68 (t, J=7.7 Hz, 1H), 7.55-7.62 (m, 2H), 7.51 (t, J=7.8 Hz, 1H), 7.34-7.41 (m, 1H), 7.27 (d, J=7.7 Hz, 1H), 4.91 (s, 2H), 4.23-4.34 (m, 2H), 3.46 (t, J=11.1 Hz, 2H), 3.26-3.32 (m, 2H), 2.44 (s, 3H), 2.04-2.12 (m, 2H), 1.93-2.01 (m, 2H), 1.83-1.92 (m, 2H), 1.66 (d, J=13.5 Hz, 2H); LCMS RtD=2.63 min, [M+H]+=469.2].

후처리

  1. stirringstirring
  2. waitwas continued for 2 h at rt
  3. extractionThe aqueous phase was extracted with ethyl acetate
  4. washThe organic phases were washed with water and brine
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltered
  7. customevaporated

출처 및 근거

ORD 기록
ord-220d14a8c419453d8a0a81a70f3f09a6
출처 데이터셋
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08530648B2

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