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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
ノート
印刷プレビュー

反応式

HRID 906946 の反応式
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
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 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

生成物 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)-methanone収率 84%

試薬・触媒・溶媒 2

HCID 8028
Tetrahydrofuran
溶媒
HCID 8857Ethyl Acetate溶媒

実験手順

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+).

後処理

  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)

出典と根拠

ORDレコード
ord-cfad2dd8c2c1473e9cf153beac7fa37b
出典データセット
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08012998B2

反応ノート

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