Unprecedented Shape Selectivity in Hydrogenation of Triacylglycerol Molecules with Pt/ZSM-5 Zeolite

被引：42

作者：

Philippaerts, An ^{[1
]}

Paulussen, Sabine ^{[1
]}

Breesch, Annika ^{[1
]}

Turner, Stuart ^{[2
]}

Lebedev, Oleg I. ^{[2
]}

Van Tendeloo, Gustaaf ^{[2
]}

Sels, Bert ^{[1
]}

Jacobs, Pierre ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Dept M2S, B-3001 Heverlee, Belgium

[2] Univ Antwerp, EMAT, B-2020 Antwerp, Belgium

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2011年 / 50卷 / 17期

关键词：

adsorption; hydrogenation; platinum; triacylglycerol; zeolites; SOYBEAN OIL; VEGETABLE-OILS; TRANS; CATALYST;

D O I：

10.1002/anie.201007513

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Well tuned: ZSM-5 with platinum nanoparticles preferably hydrogenates trans fatty acids over cis isomers in model triacylglycerols for geometric reasons. The central fatty acid chain reacts faster, pointing to pore mouth adsorption in a tuning fork conformation (see picture). This conformation induces stepwise hydrogenation, resulting in fast removal of the unstable central triene, while formation of saturated chains is limited. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：3947 / 3949

页数：3

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