Reaction of aldehydes and pyrazolones in the presence of sodium dodecyl sulfate in aqueous media

被引:117
作者
Wang, W [1 ]
Wang, SX [1 ]
Qin, XY [1 ]
Li, JT [1 ]
机构
[1] Hebei Univ, Coll Chem & Environm Sci, Key Lab Analyt Sci & Technol, Baoding 071002, Peoples R China
关键词
4,4 '-alkylmethylene-bis(3-methyl-5-pyrazolones); aqueous media; pyrazolones; sodium dodecyl sulfate;
D O I
10.1081/SCC-200054854
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The environmentally friendly condensation 3-methyl-1-phenyl-5-pyrazolone or 3-methyl-1H-5-pyrazolone with aromatic and aliphatic aldehydes was performed in water at refluxing temperature for 1 h using sodium dodecyl sulfate (SDS) as the surfactant catalyst (5 mol%), giving 4,4'-alkylmethylene-bis(3-methyl-5-pyrazolones) in 78.3%similar to 92.1% yields.
引用
收藏
页码:1263 / 1269
页数:7
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