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2-(2-Phenylethyl)phenol → (4R)-4-benzyloxy-1-t-butoxycarbonyl-2-[2-(2-phenylethyl)phenoxymethyl]pyrrolidine

HRID 743297
ノート
印刷プレビュー

反応式

HRID 743297 の反応式
[C:1]1([CH2:7][CH2:8][C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=2[OH:15])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.CC(C)([O-])C.[K+].[CH2:22]([O:29][C@H:30]1[CH2:34][N:33]([C:35]([O:37][C:38]([CH3:41])([CH3:40])[CH3:39])=[O:36])[CH:32]([CH2:42]OS(C2C=CC(C)=CC=2)(=O)=O)[CH2:31]1)[C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1>CC(N(C)C)=O>[CH2:22]([O:29][C@H:30]1[CH2:34][N:33]([C:35]([O:37][C:38]([CH3:41])([CH3:40])[CH3:39])=[O:36])[CH:32]([CH2:42][O:15][C:10]2[CH:11]=[CH:12][CH:13]=[CH:14][C:9]=2[CH2:8][CH2:7][C:1]2[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=2)[CH2:31]1)[C:23]1[CH:24]=[CH:25][CH:26]=[CH:27][CH:28]=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 3

HCID 27490412-(2-Phenylethyl)phenolHCID 23665647Potassium tert-butoxideHCID 53856550(4R)-4-benzyloxy-1-t-butoxycarbonyl-2-(p-toluenesulfonyloxymethyl)pyrrolidine

生成物 1

HCID 53917409(4R)-4-benzyloxy-1-t-butoxycarbonyl-2-[2-(2-phenylethyl)phenoxymethyl]pyrrolidine収率 81.3%

試薬・触媒・溶媒 1

HCID 31374Dimethylacetamide
溶媒

実験手順

Following a procedure similar to that described in Example 40(a), 200 mg of 2-(2-phenylethyl)phenol (prepared as described in Preparation 19), 124 mg of potassium t-butoxide and 500 mg of (4R)-4-benzyloxy-1-t-butoxycarbonyl-2-(p-toluenesulfonyloxymethyl)pyrrolidine were reacted in 10 ml of dimethylacetamide. The mixture was then worked up as described in Example 40(a), and the crude product thus obtained was purified by column chromatography through silica gel, using a 4:1 by volume mixture of hexane and ethyl acetate as the eluent, to give 400 mg (yield 81%) of the title compound as a colorless oil.

後処理

  1. customthe crude product thus obtained
  2. customwas purified by column chromatography through silica gel
  3. additionby volume mixture of hexane and ethyl acetate as the eluent

出典と根拠

ORDレコード
ord-dfe1bdcec63d4727ae92cbb6eaabfebd
出典データセット
uspto-grants-1996_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05556864

反応ノート

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