Amberlyst-15® in ionic liquid: an efficient and recyclable reagent for the benzylation and hydroalkylation of β-dicarbonyl compounds

被引：19

作者：

Qureshi, Ziyauddin S. ^{[1
]}

Deshmukh, Krishna M. ^{[1
]}

Tambade, Pawan J. ^{[1
]}

Bhanage, Bhalchandra M. ^{[1
]}

机构：

[1] GN Khalsa Coll, Dept Chem, Inst Chem Technol Autonomous, Bombay 400019, Maharashtra, India

来源：

TETRAHEDRON LETTERS | 2010年 / 51卷 / 04期

关键词：

ACTIVATED METHYLENE-COMPOUNDS; CATALYZED DIRECT BENZYLATION; CARBON BOND FORMATION; 1,3-DICARBONYL COMPOUNDS; HIGHLY EFFICIENT; ALLYLIC ALCOHOLS; ATOM ECONOMY; ALKYLATION; ALKENES; ALLYLATION;

D O I：

10.1016/j.tetlet.2009.11.122

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Benzylation and hydroalkylation of 1,3-dicarbonyl compounds using Amberlyst-15 immobilized in ionic liquid [Bmim][PF6] as an efficient reusable reagent was studied. The reagent was compared with other solid acid reagents along with role of the ionic liquid. The effect of various reaction parameters like type of reagent, solvent, substrate molar ratio, reaction time, and temperature were studied. Present protocol is advantageous due to the ease in handling of reagent, simple work-up procedure, economical and environmentally benign process. The products were obtained in good to excellent yield and applicable to wide variety of substrates. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：724 / 729

页数：6

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