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Triethylamine → (2R,3S)-tert-butyl 2-((tert-butyldimethylsilyloxy)methyl)-3-hydroxypyrrolidine-1-carboxylate

HRID 495057
ノート
印刷プレビュー

反応式

HRID 495057 の反応式
[OH:1][C@H:2]1[CH2:6][CH2:5][N:4]([C:7]([O:9][C:10]([CH3:13])([CH3:12])[CH3:11])=[O:8])[C@@H:3]1[CH2:14][OH:15].CCN(CC)CC.[CH3:23][C:24]([Si:27](Cl)([CH3:29])[CH3:28])([CH3:26])[CH3:25]>ClCCl.CN(C1C=CN=CC=1)C>[Si:27]([O:15][CH2:14][C@@H:3]1[C@@H:2]([OH:1])[CH2:6][CH2:5][N:4]1[C:7]([O:9][C:10]([CH3:11])([CH3:12])[CH3:13])=[O:8])([C:24]([CH3:26])([CH3:25])[CH3:23])([CH3:29])[CH3:28]
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 8471TriethylamineHCID 28928tert-Butyldimethylsilyl chlorideHCID 10910976tert-butyl (2R,3S)-3-hydroxy-2-(hydroxymethyl)pyrrolidine-1-carboxylate

生成物 1

HCID 14462925(2R,3S)-tert-butyl 2-((tert-butyldimethylsilyloxy)methyl)-3-hydroxypyrrolidine-1-carboxylate収率 99%

試薬・触媒・溶媒 2

HCID 142844-(Dimethylamino)pyridine
触媒
HCID 6344Dichloromethane溶媒2 回

実験手順

To a 0° C. solution of (2R,3S)-tert-butyl 3-hydroxy-2-(hydroxymethyl)pyrrolidine-1-carboxylate (1.0 equiv) and Et3N (1.05 equiv) in dichloromethane (0.5 M) was added TBSCl (1.05 equiv), followed by a few crystals of DMAP. The solution was allowed to warm to room temperature and stirred overnight. The reaction mixture was then diluted with dichloromethane, and washed with sat'd. aq. NaHCO3. The organic layer was dried over anhydrous sodium sulfate, filtered and concentrated in vacuo to provide the title compound (99%), which was used without further purification.

後処理

  1. washwashed with sat'd
  2. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo

出典と根拠

ORDレコード
ord-8b9ed594e1bb490e8e63adf998a912d0
出典データセット
uspto-grants-2009_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07538223B2

反応ノート

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