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Phthalimide potassium salt → 1,1-Dimethylethyl 2-[2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)ethyl]-5-(4-iodophenyl)-3-({[4-(methyloxy)phenyl]methyl}oxy)pentanoate

HRID 1798783
ノート
印刷プレビュー

反応式

HRID 1798783 の反応式
[C:1]1(=[O:11])[NH:5][C:4](=[O:6])[C:3]2=[CH:7][CH:8]=[CH:9][CH:10]=[C:2]12.[K].[I:13][C:14]1[CH:19]=[CH:18][C:17]([CH2:20][CH2:21][CH:22]([O:38][CH2:39][C:40]2[CH:45]=[CH:44][C:43]([O:46][CH3:47])=[CH:42][CH:41]=2)[CH:23]([CH2:31][CH2:32]OS(C)(=O)=O)[C:24]([O:26][C:27]([CH3:30])([CH3:29])[CH3:28])=[O:25])=[CH:16][CH:15]=1>CN(C)C=O>[O:6]=[C:4]1[C:3]2[C:2](=[CH:10][CH:9]=[CH:8][CH:7]=2)[C:1](=[O:11])[N:5]1[CH2:32][CH2:31][CH:23]([CH:22]([O:38][CH2:39][C:40]1[CH:45]=[CH:44][C:43]([O:46][CH3:47])=[CH:42][CH:41]=1)[CH2:21][CH2:20][C:17]1[CH:18]=[CH:19][C:14]([I:13])=[CH:15][CH:16]=1)[C:24]([O:26][C:27]([CH3:30])([CH3:29])[CH3:28])=[O:25]
参加物反応条件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 24194345Phthalimide potassium saltHCID 578870261,1-Dimethylethyl 5-(4-iodophenyl)-3-({[4-(methyloxy)phenyl]methyl}oxy)-2-{2-[(methylsulfonyl)oxy]ethyl}pentanoate

生成物 1

HCID 578870191,1-Dimethylethyl 2-[2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)ethyl]-5-(4-iodophenyl)-3-({[4-(methyloxy)phenyl]methyl}oxy)pentanoate収率 21%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

反応条件

温度
80 °C

実験手順

Potassium phthalimide (0.33 g, 2.2 mmol) was added in one portion to a stirred solution of 1,1-dimethylethyl 5-(4-iodophenyl)-3-({[4-(methyloxy)phenyl]methyl}oxy)-2-{2-[(methylsulfonyl)oxy]ethyl}pentanoate (1.15 g, 1.86 mmol) in dimethylformamide (6 mL) at room temperature under nitrogen. The resulting solution was heated at 80° C. for 1 h 45 min then cooled to room temperature. The volatiles were evaporated and the residue partitioned between dichloromethane (50 mL) and water (50 mL). The layers were separated and the organic phase evaporated to dryness. The residue was chromatographed on silica gel (50% ethyl acetate: cyclohexane) to give the title compound (0.26 g, 21%) as a yellow oil which was a mixture of diastereoisomers. LC/MS: 4.29 min; z/e 687, calcd (M+18) 687. 1H NMR (400 MHz: CDCl3): 7.85 (2H), 7.70 (2H), 7.55-7.20 (4H), 6.90-6.75 (4H), 4.55-4.30 (2H), 3.80 (3H), 3.75 (1H), 3.65 (2H), 2.80-2.45 (3H), 2.10-1.50 (4H), 1.40 (9H).

後処理

  1. temperaturethen cooled to room temperature
  2. customThe volatiles were evaporated
  3. customthe residue partitioned between dichloromethane (50 mL) and water (50 mL)
  4. customThe layers were separated
  5. customthe organic phase evaporated to dryness
  6. customThe residue was chromatographed on silica gel (50% ethyl acetate: cyclohexane)

出典と根拠

ORDレコード
ord-7578c604d8894830ae67333b9e3b98a2
出典データセット
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08343986B2

反応ノート

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