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Tetrabutylammonium Fluoride → [(3R,4S)-3-[(R)-1-(5-Chloro-pyridin-2-yloxy)-2-hydroxy-ethyl]-4-(3,4-difluoro-phenyl)-pyrrolidin-1-yl]-(2-methyl-pyrimidin-5-yl)-methanone

HRID 906946
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HRID 906946 반응식
C([Si](C)(C)[O:6][CH2:7][C@@H:8]([C@@H:17]1[C@@H:21]([C:22]2[CH:27]=[CH:26][C:25]([F:28])=[C:24]([F:29])[CH:23]=2)[CH2:20][N:19]([C:30]([C:32]2[CH:37]=C(C)N=[N:34][CH:33]=2)=[O:31])[CH2:18]1)[O:9][C:10]1[CH:15]=[CH:14][C:13]([Cl:16])=[CH:12][N:11]=1)(C)(C)C.CC[CH2:43][CH2:44][N+:45](CCCC)(CCCC)CCCC.[F-]>C1COCC1.C(OCC)(=O)C>[Cl:16][C:13]1[CH:14]=[CH:15][C:10]([O:9][C@H:8]([C@@H:17]2[C@@H:21]([C:22]3[CH:27]=[CH:26][C:25]([F:28])=[C:24]([F:29])[CH:23]=3)[CH2:20][N:19]([C:30]([C:32]3[CH:37]=[N:45][C:44]([CH3:43])=[N:34][CH:33]=3)=[O:31])[CH2:18]2)[CH2:7][OH:6])=[N:11][CH:12]=1
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참가 물질

5

반응물 2

HCID 2724141Tetrabutylammonium FluorideHCID 67131615[(3R,4S)-3-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-(5-chloro-pyridin-2-yloxy)-ethyl]-4-(3,4-difluoro-phenyl)-pyrrolidin-1-yl]-(6-methyl-pyridazin-4-yl)-methanone

생성물 1

HCID 86627626[(3R,4S)-3-[(R)-1-(5-Chloro-pyridin-2-yloxy)-2-hydroxy-ethyl]-4-(3,4-difluoro-phenyl)-pyrrolidin-1-yl]-(2-methyl-pyrimidin-5-yl)-methanone수율 84%

시약·촉매·용매 2

HCID 8028
Tetrahydrofuran
용매
HCID 8857Ethyl Acetate용매

실험 절차

To a solution of [(3R,4S)-3-[(R)-2-(tert-butyl-dimethyl-silanyloxy)-1-(5-chloro-pyridin-2-yloxy)-ethyl]-4-(3,4-difluoro-phenyl)-pyrrolidin-1-yl]-(6-methyl-pyridazin-4-yl)-methanone (0.050 g, 0.085 mmol) dissolved in THF (4 mL) was added 0.10 mL of TBAF (1.0M in THF). The reaction mixture was stirred over night at room temperature. The mixture was diluted with ethyl acetate and washed with water and aq. sodium bicarbonate solution subsequently. The separated organic phase was dried over sodium sulfate and concentrated in vaccuo after filtration. The residue was purified by TLC (SiO2, MeOH/DCM, 1:10) yielded 40 mg (84%) of the title compound as a light yellow oil. ES-MS m/e: 475.1 (M+H+).

후처리

  1. washwashed with water and aq. sodium bicarbonate solution subsequently
  2. dry with materialThe separated organic phase was dried over sodium sulfate
  3. concentrationconcentrated in vaccuo
  4. filtrationafter filtration
  5. customThe residue was purified by TLC (SiO2, MeOH/DCM, 1:10)

출처 및 근거

ORD 기록
ord-cfad2dd8c2c1473e9cf153beac7fa37b
출처 데이터셋
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08012998B2

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