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Water → 5-(4-(2-(1-ethylcyclopentyloxy)-2-oxoethoxy)-3,5-dimethylphenyl)-5H-dibenzo[b,d]thiophenium 1,1-difluoro-2-(methacryloyloxy)ethanesulfonate

HRID 1841860
ノート
印刷プレビュー

反応式

HRID 1841860 の反応式
[Br-].[CH2:2]([C:4]1([O:9][C:10](=[O:34])[CH2:11][O:12][C:13]2[C:18]([CH3:19])=[CH:17][C:16]([S+:20]3[C:24]4[CH:25]=[CH:26][CH:27]=[CH:28][C:23]=4[C:22]4[CH:29]=[CH:30][CH:31]=[CH:32][C:21]3=4)=[CH:15][C:14]=2[CH3:33])[CH2:8][CH2:7][CH2:6][CH2:5]1)[CH3:3].[F:35][C:36]([F:48])([S:44]([O-:47])(=[O:46])=[O:45])[CH2:37][O:38][C:39](=[O:43])[C:40]([CH3:42])=[CH2:41].C([NH+](CC)CC)C.O>ClCCl>[F:48][C:36]([F:35])([S:44]([O-:47])(=[O:46])=[O:45])[CH2:37][O:38][C:39](=[O:43])[C:40]([CH3:42])=[CH2:41].[CH2:2]([C:4]1([O:9][C:10](=[O:34])[CH2:11][O:12][C:13]2[C:14]([CH3:33])=[CH:15][C:16]([S+:20]3[C:21]4[CH:32]=[CH:31][CH:30]=[CH:29][C:22]=4[C:23]4[CH:28]=[CH:27][CH:26]=[CH:25][C:24]3=4)=[CH:17][C:18]=2[CH3:19])[CH2:8][CH2:7][CH2:6][CH2:5]1)[CH3:3]
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 962WaterHCID 86660800Triethylammonium 1,1-difluoro-2-(methacryloyloxy)ethanesulfonateHCID 867124585-(4-(2-(1-ethylcyclopentyloxy)-2-oxoethoxy)-3,5-dimethylphenyl)-5H-dibenzo[b,d]thiophenium bromide

生成物 1

HCID 867124655-(4-(2-(1-ethylcyclopentyloxy)-2-oxoethoxy)-3,5-dimethylphenyl)-5H-dibenzo[b,d]thiophenium 1,1-difluoro-2-(methacryloyloxy)ethanesulfonate収率 93.1%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

5-(4-(2-(1-ethylcyclopentyloxy)-2-oxoethoxy)-3,5-dimethylphenyl)-5H-dibenzo[b,d]thiophenium bromide (20.0 g, 37.1 mmol) and triethylammonium 1,1-difluoro-2-(methacryloyloxy)ethanesulfonate (1.1 eq, 40.8 mmol, 13.5 g) were dissolved in dichloromethane (250 mL) and water (250 mL) and stirred at r.t. overnight. The dichloromethane layer was separated and the aqueous phase washed with dichloromethane (3×250 mL). The combined organic layers were washed with water (4×250 mL), concentrated in vacuo and residual water removed via azeotrope with acetonitrile (2×250 mL) to afford the title compound (23.8 g, 93%) as a white solid. 1H NMR (300 MHz, (CD3)2CO) δ: 8.53 (d, J=7.8 Hz, 2H), 8.36 (d, J=7.8 Hz, 2H), 8.04 (t, J=7.5 Hz, 2H), 7.83 (t, J=7.8 Hz, 2H), 7.51 (visual s, 2H), 6.14-6.16 (m, 2H), 5.66-5.69 (m, 2H), 4.75 (dd, J=15.6, 15.6 Hz, 2H), 4.57 (s, 2H), 2.30 (s, 6H), 2.03-2.11 (m, 2H), 2.02 (q, J−7.8 Hz, 2H), 1.93-1.95 (m, 3H), 1.55-1.6 (m, 6H), 0.84 (t, J=7.5 Hz, 3H).

後処理

  1. customThe dichloromethane layer was separated
  2. washthe aqueous phase washed with dichloromethane (3×250 mL)
  3. washThe combined organic layers were washed with water (4×250 mL)
  4. concentrationconcentrated in vacuo and residual water
  5. customremoved via azeotrope with acetonitrile (2×250 mL)

出典と根拠

ORDレコード
ord-ae65688f5ac64c05bbffc708bbf412fa
出典データセット
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08945814B2

反応ノート

読み込み中…

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