Catalysis of the Kemp elimination by natural coals

被引：12

作者：

Shulman, H

Keinan, E ^{[1
]}

机构：

[1] Technion Israel Inst Technol, Dept Chem, IL-32000 Haifa, Israel

[2] Technion Israel Inst Technol, Inst Catalysis Sci & Technol, IL-32000 Haifa, Israel

[3] Scripps Res Inst, Skaggs Inst Chem Biol, La Jolla, CA 92037 USA

[4] Scripps Res Inst, Dept Mol Biol, La Jolla, CA 92037 USA

来源：

ORGANIC LETTERS | 2000年 / 2卷 / 23期

关键词：

D O I：

10.1021/ol000137u

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

[GRAPHICS] Commercially available coals were found to be efficient heterogeneous catalysts of the Kemp elimination reaction in aqueous solutions. A pH-rate profile study suggests that catalysis originates from specific catalytic groups and not simply from the large graphitic surface area. The low quality lignite coals, which exhibit similar catalytic efficiency per weight to that of molecularly imprinted polymers, are better catalysts for this reaction in comparison with the bituminous coals.

引用

页码：3747 / 3750

页数：4

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