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Water → tert-butyl (3S)-1-(1-(6-chloropyridin-3-yl)-2,2,2-trifluoroethyl)pyrrolidin-3-ylcarbamate

HRID 338835
ノート
印刷プレビュー

反応式

HRID 338835 の反応式
FC(F)(F)S(O[CH:7]([C:12]1[CH:13]=[N:14][C:15]([Cl:18])=[CH:16][CH:17]=1)[C:8]([F:11])([F:10])[F:9])(=O)=O.C([O-])([O-])=O.[K+].[K+].[NH:27]1[CH2:31][CH2:30][C@H:29]([NH:32][C:33](=[O:39])[O:34][C:35]([CH3:38])([CH3:37])[CH3:36])[CH2:28]1.O>C1COCC1.C(OCC)(=O)C>[Cl:18][C:15]1[N:14]=[CH:13][C:12]([CH:7]([N:27]2[CH2:31][CH2:30][C@H:29]([NH:32][C:33](=[O:39])[O:34][C:35]([CH3:37])([CH3:36])[CH3:38])[CH2:28]2)[C:8]([F:11])([F:10])[F:9])=[CH:17][CH:16]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 1514396(3S)-(-)-3-(tert-Butoxycarbonylamino)pyrrolidineHCID 867074011-(6-Chloropyridin-3-yl)-2,2,2-trifluoroethyl trifluoromethanesulfonate

生成物 1

HCID 86707402tert-butyl (3S)-1-(1-(6-chloropyridin-3-yl)-2,2,2-trifluoroethyl)pyrrolidin-3-ylcarbamate収率 74.1%

試薬・触媒・溶媒 2

HCID 8028Tetrahydrofuran溶媒HCID 8857Ethyl Acetate溶媒

実験手順

A solution of 1-(6-chloropyridin-3-yl)-2,2,2-trifluoroethyl trifluoromethanesulfonate (0.55 g, 1.60 mmol), K2CO3 (0.33 g, 2.40 mmol), and (S)-tert-butyl pyrrolidin-3-ylcarbamate (0.42 g, 2.24 mmol) in THF (8 mL) was stirred at 50° C. for 20 hours. Water (20 mL) and ethyl acetate (30 mL) were added. The organic layer was separated, washed with brine, dried (sodium sulfate), filtered and concentrated under reduced pressure. The residue was purified by flash chromatography on silica gel (3:1 hexane/ethyl acetate) to give tert-butyl (3S)-1-(1-(6-chloropyridin-3-yl)-2,2,2-trifluoroethyl)pyrrolidin-3-ylcarbamate (0.45 g, 74.0%) as a white solid.

後処理

  1. customThe organic layer was separated
  2. washwashed with brine
  3. dry with materialdried (sodium sulfate)
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified by flash chromatography on silica gel (3:1 hexane/ethyl acetate)

出典と根拠

ORDレコード
ord-a6aeaf4068cb406cb295f998c7f5305d
出典データセット
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08889704B2

反応ノート

読み込み中…

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