Two-Step Preparation of Benzylacetone

被引：10
作者：
Paterova, Iva [1 ]
Vyskocilova, Eliska [1 ]
Cerveny, Libor [1 ]
机构：
[1] Prague Inst Chem Technol, Dept Organ Technol, CR-16628 Prague 6, Czech Republic
来源：
TOPICS IN CATALYSIS | 2012年 / 55卷 / 11-13期
关键词：
Aldol condensation; Layered double hydroxides; Benzylideneacetone; Hydrogenation; Ni supported catalysts; Benzylacetone; ALDOL CONDENSATION; HYDROGENATION; ACTIVATION; ALDEHYDES; CATALYSTS;
D O I：
10.1007/s11244-012-9853-8
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Two-step preparation of benzylacetone has been investigated using layered double hydroxides (LDHs) as catalysts for aldol condensation of benzaldehyde and acetone and Ni supported catalysts for consecutive hydrogenation of benzylideneacetone. Activity and selectivity of LDHs of various Mg/Al ratios to desired product, benzylideneacetone, have been compared in the liquid phase at 333 K. An aldol condensation yield at 100 % conversion of benzaldehyde was 78 % using catalyst HT-2.0. In the following, optimal hydrogenation conditions-temperature of 353 K, hydrogen pressure of 5 MPa and 5 wt% of catalyst NiSAT(A (R)) 320 were found. At 95 % conversion of benzylideneacetone the selectivity to desired product was 99 %.
引用
收藏
页码：873 / 879
页数：7
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