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Chlorobenzene → 2-Phenyl-1-(p-tolyl)-1-propanone

HRID 595351
ノート
印刷プレビュー

反応式

HRID 595351 の反応式
[C:1]1(Cl)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH3:8][C:9]1[CH:14]=[CH:13][C:12]([C:15](=[O:18])[CH2:16][CH3:17])=[CH:11][CH:10]=1.C(O[Na])(C)(C)C>C1(C)C=CC=CC=1.C([O-])(=O)C.[Pd+2].C([O-])(=O)C.COC1C=CC=C(N(C)C2C=CC=CC=2)C=1P(C1CCCCC1)C1CCCCC1>[C:1]1([CH:16]([CH3:17])[C:15]([C:12]2[CH:13]=[CH:14][C:9]([CH3:8])=[CH:10][CH:11]=2)=[O:18])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 3

HCID 7964ChlorobenzeneHCID 21429p-MethylpropiophenoneHCID 178418730sodium 2-methylpropan-2-olate

生成物 1

HCID 130960712-Phenyl-1-(p-tolyl)-1-propanone収率 97.5%

試薬・触媒・溶媒 3

HCID 167845palladium(II) acetate触媒
HCID 71725627
(2-Dicyclohexylphosphino-3-methoxy-N-methyl-N-phenylbenzenamine
触媒
HCID 1140Toluene溶媒

実験手順

This reaction is carried out in the same manner as the reaction in example 3. The difference is that, the reactants are phenyl chloride (111.0 mg, 0.99 mmol), 1-(4-methylphenyl)-1-propanone (177.8 mg, 1.2 mmol), palladium acetate (6.7 mg, 0.030 mmol), 2-Methoxy-6-(N-methyl-N-phenyl-amino)phenyl(dicyclohexyl)phosphine (18.4 mg, 0.045 mmol), t-BuONa (115.8 mg, 1.2 mmol) in 3 mL dry toluene at 110° C. for 16.5 h. 2-Phenyl-1-(p-tolyl)-1-propanone (216.5 mg, contaminated with 11.9% of 1-(4-methylphenyl)propanone determined by 1H NMR) was obtained with a yield of 90% as liquid. 1H NMR (300 MHz, CDCl3) δ 7.87-7.80 (m, 2H, ArH), 7.30-7.20 (m, 4H, ArH), 7.20-7.08 (m, 3H, ArH), 4.64 (q, J=7.0 Hz, 1H, CH), 2.27 (s, 3H, ArCH3), 1.50 (d, J=7.0 Hz, 3H, CH3); 13C NMR (75 MHz, CDCl3) δ 199.7, 143.3, 141.6, 133.7, 129.0, 128.74, 128.72, 127.5, 126.6, 47.5, 21.3, 19.3; IR (neat) v (cm−1) 3061, 3028, 2975, 2930, 2870, 1682, 1606, 1570, 1492, 1452, 1408, 1372, 1332, 1304, 1253, 1225, 1210, 1177, 1008; MS (70 eV, EI) m/z (%): 224 (M+, 0.64), 119 (100).

後処理

  1. customThis reaction is carried out in the same manner as the reaction in example 3
  2. customat 110° C.
  3. customfor 16.5 h

出典と根拠

ORDレコード
ord-a9186bd6383b46a3a59d5ca6a7f0c230
出典データセット
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09243011B2

反応ノート

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