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Dimethylacetamide → allyl (4R,5S,6S)-3-[(2S,4S)-1-allyloxycarbonyl-2-(2-fluoroethoxymethyl)pyrrolidin-4-ylthio]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate

HRID 1464737
ノート
印刷プレビュー

反応式

HRID 1464737 の反応式
[OH:1][C@@H:2]([C@H:4]1[C:10](=[O:11])[N:9]2[C@@H:5]1[C@@H:6]([CH3:21])[C:7]([S:18]([CH3:20])=O)=[C:8]2[C:12]([O:14][CH2:15][CH:16]=[CH2:17])=[O:13])[CH3:3].[CH2:22]([O:25][C:26]([N:28]1[CH2:32][C@@H](S)[CH2:30][C@H:29]1[CH2:34][O:35][CH2:36][CH2:37][F:38])=[O:27])[CH:23]=[CH2:24].CC(N(C)C)=O>CN(C)C=O>[CH2:22]([O:25][C:26]([N:28]1[CH2:32][C@@H:20]([S:18][C:7]2[C@H:6]([CH3:21])[C@H:5]3[N:9]([C:10](=[O:11])[C@@H:4]3[C@H:2]([OH:1])[CH3:3])[C:8]=2[C:12]([O:14][CH2:15][CH:16]=[CH2:17])=[O:13])[CH2:30][C@H:29]1[CH2:34][O:35][CH2:36][CH2:37][F:38])=[O:27])[CH:23]=[CH2:24]
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 31374DimethylacetamideHCID 57058048allyl (4R,5S,6S)-6-((1R)-1-hydroxyethyl)-4-methyl-3-methylsulfinyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylateHCID 57241269(2S,4S)-1-allyloxycarbonyl-2-(2-fluoroethoxymethyl)-4-mercaptopyrrolidine

生成物 1

HCID 57017483allyl (4R,5S,6S)-3-[(2S,4S)-1-allyloxycarbonyl-2-(2-fluoroethoxymethyl)pyrrolidin-4-ylthio]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
収率 65.2%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

To a mixture of allyl (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-methylsulfinyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate (150 mg) and silica gel (300 mg) in N,N-dimethylformamide (1.5 ml) was added a solution of (2S,4S)-1-allyloxycarbonyl-2-(2-fluoroethoxymethyl)-4-mercaptopyrrolidine (150 mg) i dimethylacetamide (1.45 g). The mixture was stirred for 2 hours at ambient temperature. Silica gel was removed by filtration and the filtrate was concentrated under reduced pressure. The residue was purified by preparative thin layer chromatography to afford allyl (4R,5S,6S)-3-[(2S,4S)-1-allyloxycarbonyl-2-(2-fluoroethoxymethyl)pyrrolidin-4-ylthio]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate (160 mg).

後処理

  1. customSilica gel was removed by filtration
  2. concentrationthe filtrate was concentrated under reduced pressure
  3. customThe residue was purified by preparative thin layer chromatography

出典と根拠

ORDレコード
ord-c29fcdbfd70d4068a14cacf540be8b61
出典データセット
uspto-grants-1994_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05306816

反応ノート

読み込み中…

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