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Hydrochloric Acid → Methyl [{[4-(2-butynyloxy)phenyl]sulfonyl}(methyl)amino](4-hydroxyphenyl)acetate

HRID 2084896
ノート
印刷プレビュー

反応式

HRID 2084896 の反応式
[CH3:1][O:2][C:3](=[O:35])[CH:4]([C:21]1[CH:26]=[CH:25][C:24]([O:27][Si](C(C)(C)C)(C)C)=[CH:23][CH:22]=1)[N:5]([S:7]([C:10]1[CH:15]=[CH:14][C:13]([O:16][CH2:17][C:18]#[C:19][CH3:20])=[CH:12][CH:11]=1)(=[O:9])=[O:8])[CH3:6].[F-].C([N+](CCCC)(CCCC)CCCC)CCC.Cl>C1COCC1>[CH2:17]([O:16][C:13]1[CH:14]=[CH:15][C:10]([S:7]([N:5]([CH:4]([C:21]2[CH:22]=[CH:23][C:24]([OH:27])=[CH:25][CH:26]=2)[C:3]([O:2][CH3:1])=[O:35])[CH3:6])(=[O:9])=[O:8])=[CH:11][CH:12]=1)[C:18]#[C:19][CH3:20]
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 313Hydrochloric AcidHCID 2724141Tetrabutylammonium FluorideHCID 53639454[4-(Tert-butyl-dimethyl-silanyloxy)phenyl]-[(4-but-2-ynyloxy-benzenesulfonyl)-methyl-amino]-acetic acid methyl ester

生成物 1

HCID 86587121Methyl [{[4-(2-butynyloxy)phenyl]sulfonyl}(methyl)amino](4-hydroxyphenyl)acetate収率 55,769.199%

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒
2 回

実験手順

To a solution of 6.0 g (0.012 mmol) of [4-(tert-butyl-dimethyl-silanyloxy)phenyl]-[(4-but-2-ynyloxy-benzenesulfonyl)-methyl-amino]-acetic acid methyl ester in 100 mL of THF was added 11.6 mL of a 1.0M solution of tetrabutylammonium fluoride in THF. The reaction was stirred for 1 h at room temperature and then acidified with 5% HCl solution and extracted with ethyl acetate. The organics were dried over magnesium sulfate, filtered and concentrated in vacuo. The residue was chromatographed on silica gel eluting with ethyl acetate/hexanes (1:1) to give 2.7 g of methyl [{[4-(2-butynyloxy)phenyl]sulfonyl}(methyl)amino](4-hydroxyphenyl)acetate as a white solid. Electrospray Mass Spec 404.2 (M+H)+.

後処理

  1. extractionextracted with ethyl acetate
  2. dry with materialThe organics were dried over magnesium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo
  5. customThe residue was chromatographed on silica gel eluting with ethyl acetate/hexanes (1:1)

出典と根拠

ORDレコード
ord-cc0838cecb3c4ed681a8cb5ee6d1617b
出典データセット
uspto-grants-2004_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06716833B2

反応ノート

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