HCID 10854740、化合物 → tert-butyl (2S,4R)-4-{[tert-butyl(dimethyl)silyl]oxy}-2-(propan-2-yl)pyrrolidine-1-carboxylate

HRID 81127ノート

反応式

HRID 81127 の反応式
[Si:1]([O:8][C@H:9]1[CH2:13][N:12]([C:14]([O:16][C:17]([CH3:20])([CH3:19])[CH3:18])=[O:15])[C@H:11]([C:21]([CH3:23])=[CH2:22])[CH2:10]1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2]>CO.[Ni]>[Si:1]([O:8][C@H:9]1[CH2:13][N:12]([C:14]([O:16][C:17]([CH3:20])([CH3:19])[CH3:18])=[O:15])[C@H:11]([CH:21]([CH3:23])[CH3:22])[CH2:10]1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:2])[CH3:3]

参加物

4

反応物 1

HCID 10854740HCID 10854740、化合物

生成物 1

HCID 86724490tert-butyl (2S,4R)-4-{[tert-butyl(dimethyl)silyl]oxy}-2-(propan-2-yl)pyrrolidine-1-carboxylate

試薬・触媒・溶媒 2

HCID 935Nickel触媒HCID 887Methanol溶媒

反応条件

温度
60 °C

実験手順

To a solution of tert-butyl (2S,4R)-4-{[tert-butyl(dimethyl)silyl]oxy}-2-(prop-1-en-2-yl)pyrrolidine-1-carboxylate (90 g) dissolved in methanol (250 mL) was added Raney Nickel (24 g). The reaction mixture was stirred under hydrogen (40 atm) at 60° C. for 3 hours. The mixture was filtered and concentrated under reduced pressure. The residue was dissolved in ethyl acetate, washed with brine (2×50 mL), dried over magnesium sulfate, filtered and concentrated to give tert-butyl (2S,4R)-4-{[tert-butyl(dimethyl)silyl]oxy}-2-(propan-2-yl)pyrrolidine-1-carboxylate. The residue was used directly without further purification.

後処理

  1. filtrationThe mixture was filtered
  2. concentrationconcentrated under reduced pressure
  3. dissolutionThe residue was dissolved in ethyl acetate
  4. washwashed with brine (2×50 mL)
  5. dry with materialdried over magnesium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated

出典と根拠

ORDレコード
ord-42e043cae6344bf1975504d4c025e8e1
出典データセット
uspto-grants-2014_09
特許番号
US08846657B2

反応ノート

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