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Acetic Acid → N(4)-[(1R,3S,4S)-3-{[tert-butyl(dimethyl)silyl]oxy}-4-({[tert-butyl(dimethyl)silyl]-oxy}methyl)cyclopentyl]-5-chloropyridine-2,3,4-triamine

HRID 1397605
ノート
印刷プレビュー

反応式

HRID 1397605 の反応式
[Si:1]([O:8][C@@H:9]1[C@H:13]([CH2:14][O:15][Si:16]([C:19]([CH3:22])([CH3:21])[CH3:20])([CH3:18])[CH3:17])[CH2:12][C@@H:11]([NH:23][C:24]2[C:29]([Cl:30])=[CH:28][N:27]=[C:26]([NH2:31])[C:25]=2[N+:32]([O-])=O)[CH2:10]1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].C(O)(=O)C>[Zn]>[Si:1]([O:8][C@@H:9]1[C@H:13]([CH2:14][O:15][Si:16]([C:19]([CH3:22])([CH3:21])[CH3:20])([CH3:18])[CH3:17])[CH2:12][C@@H:11]([NH:23][C:24]2[C:29]([Cl:30])=[CH:28][N:27]=[C:26]([NH2:31])[C:25]=2[NH2:32])[CH2:10]1)([C:4]([CH3:5])([CH3:6])[CH3:7])([CH3:3])[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 176Acetic AcidHCID 66797989N(4)-[(1R,3S,4S)-3-{[tert-butyl(dimethyl)silyl]oxy}-4-({[tert-butyl(dimethyl)-silyl]oxy}methyl)cyclopentyl]-5-chloro-3-nitropyridine-2,4-diamine

生成物 1

HCID 66797912N(4)-[(1R,3S,4S)-3-{[tert-butyl(dimethyl)silyl]oxy}-4-({[tert-butyl(dimethyl)silyl]-oxy}methyl)cyclopentyl]-5-chloropyridine-2,3,4-triamine収率 90.2%

試薬・触媒・溶媒 1

HCID 23994Zinc触媒

実験手順

N(4)-[(1R,3S,4S)-3-{[tert-butyl(dimethyl)silyl]oxy}-4-({[tert-butyl(dimethyl)-silyl]oxy}methyl)cyclopentyl]-5-chloro-3-nitropyridine-2,4-diamine (0.875 g, 0.00165 mol) and zinc (0.431 g, 0.00659 mol) was added to acetic acid (40.0 mL, 0.704 mol) with stirring for 10 mins. The mixture was stirred for 10 min and the solid was filtered off. The filtrate was concentrated, dissolved in EtOAc (50 mL) washed with water (2×10). To the organic phase was added 2 ml Et3N and the mixture was washed with 10 mL water. The organic layer was concentrated and purified by flash chromatography (30% EtOAc/hexanes) to afford the title compound (0.746 g, 90%) as a white solid.

後処理

  1. stirringThe mixture was stirred for 10 min
  2. filtrationthe solid was filtered off
  3. concentrationThe filtrate was concentrated
  4. dissolutiondissolved in EtOAc (50 mL)
  5. washwashed with water (2×10)
  6. additionTo the organic phase was added 2 ml Et3N
  7. washthe mixture was washed with 10 mL water
  8. concentrationThe organic layer was concentrated
  9. custompurified by flash chromatography (30% EtOAc/hexanes)

出典と根拠

ORDレコード
ord-8583f890ad2445c29635f1b49907ccca
出典データセット
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08901136B2

反応ノート

読み込み中…

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