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

HRID 906938
ノート
印刷プレビュー

反応式

HRID 906938 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]([Cl:28])=[C:24]([Cl: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.C(O)(=O)C.CC[CH2:47][CH2:48][N+:49](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]([Cl:28])=[C:24]([Cl:29])[CH:23]=3)[CH2:20][N:19]([C:30]([C:32]3[CH:33]=[N:34][C:48]([CH3:47])=[N:49][CH:37]=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

6

反応物 3

HCID 176Acetic AcidHCID 2724141Tetrabutylammonium FluorideHCID 67131632[(3R,4S)-3-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-(5-chloro-pyridin-2-yloxy)-ethyl]-4-(3,4-dichloro-phenyl)-pyrrolidin-1-yl]-(6-methyl-pyridazin-4-yl)-methanone

生成物 1

HCID 57576327[(3R,4S)-3-[(R)-1-(5-Chloro-pyridin-2-yloxy)-2-hydroxy-ethyl]-4-(3,4-dichloro-phenyl)-pyrrolidin-1-yl]-(2-methyl-pyrimidin-5-yl)-methanone収率 91%

試薬・触媒・溶媒 2

HCID 8028Tetrahydrofuran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-dichloro-phenyl)-pyrrolidin-1-yl]-(6-methyl-pyridazin-4-yl)-methanone (0.074 g, 0.119 mmol) dissolved in THF (4 mL) was added 0.014 mL (0.24 mmol) of acetic acid and 0.119 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 55 mg (91%) of the title compound as a light yellow oil. ES-MS m/e: 507.1 (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-d67a27c5330c4d67a0c725c5d6708940
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

読み込み中…

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