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Probucol → 2-Propenoic acid, 4-[4-[[1-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]thio]-1-methylethyl]thio]-2,6-bis(1,1-dimethylethyl)phenoxy]butyl ester

HRID 394850
ノート
印刷プレビュー

反応式

HRID 394850 の反応式
[CH3:1][C:2]([C:5]1[CH:6]=[C:7]([S:16][C:17]([S:20][C:21]2[CH:26]=[C:25]([C:27]([CH3:30])([CH3:29])[CH3:28])[C:24]([OH:31])=[C:23]([C:32]([CH3:35])([CH3:34])[CH3:33])[CH:22]=2)([CH3:19])[CH3:18])[CH:8]=[C:9]([C:12]([CH3:15])([CH3:14])[CH3:13])[C:10]=1[OH:11])([CH3:4])[CH3:3].[C:36]([O:40][CH2:41][CH2:42][CH2:43][CH2:44]O)(=[O:39])[CH:37]=[CH2:38].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OCC)=O)=NC(OCC)=O>C1COCC1>[C:36]([O:40][CH2:41][CH2:42][CH2:43][CH2:44][O:11][C:10]1[C:9]([C:12]([CH3:13])([CH3:14])[CH3:15])=[CH:8][C:7]([S:16][C:17]([S:20][C:21]2[CH:22]=[C:23]([C:32]([CH3:35])([CH3:34])[CH3:33])[C:24]([OH:31])=[C:25]([C:27]([CH3:30])([CH3:29])[CH3:28])[CH:26]=2)([CH3:18])[CH3:19])=[CH:6][C:5]=1[C:2]([CH3:1])([CH3:3])[CH3:4])(=[O:39])[CH:37]=[CH2:38]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 4912ProbucolHCID 11776TriphenylphosphineHCID 755884-Hydroxybutyl acrylateHCID 220568ethyl N-ethoxycarbonyliminocarbamate

生成物 1

HCID 114678632-Propenoic acid, 4-[4-[[1-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]thio]-1-methylethyl]thio]-2,6-bis(1,1-dimethylethyl)phenoxy]butyl ester収率 28.6%

試薬・触媒・溶媒

1
HCID 8028Tetrahydrofuran溶媒

実験手順

To a solution of probucol (2.58 g, 5 mmol) in THF (50 ML) were added 4-hydroxybutyl acrylate (1.0 ml, 10 mmol), triphenylphosphine (2.62 g, 10 mmol) and diethyl azodicarboxylate (1.57 ml, 10 mmol). The resultant mixture was stirred under nitrogen at reflux over weekend. It was evaporated. Silica gel chromatography (hexanes/dichloromethane 4:1) gave the title compound as a brown oil (0.92 g). 1H-NMR (400 MHz, CDCl3): 7.54 (s, 2 H), 7.46 (s, 2 H), 6.42 (dd, 1 H), 6.14 (dd, 1 H), 5.84 (dd, 1 H), 5.38 (s, 1 H), 4.23 (t, 2 H), 3.75 (t, 2 H), 1.97 (m, 2 H), 1.82 (m, 2 H), 1.46 (s, 6 H), 1.45 (s, 18 H), 1.42 (s, 18 H).

後処理

  1. temperatureat reflux over weekend
  2. customIt was evaporated

出典と根拠

ORDレコード
ord-7e71818acd534884bc88bacccf69151d
出典データセット
uspto-grants-2003_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06602914B2

反応ノート

読み込み中…

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