Metathesis of cardanol over ammonium tagged Hoveyda-Grubbs type catalyst supported on SBA-15

被引：14

作者：

Balcar, Hynek ^{[1
]}

Zilkova, Nadezda ^{[1
]}

Kubu, Martin ^{[1
]}

Polasek, Miroslav ^{[1
]}

Zednik, Jiri ^{[2
]}

机构：

[1] Acad Sci Czech Republ, J Heyrovsky Inst Phys Chem, Vvi, Dolejskova 3, CZ-18223 Prague 8, Czech Republic

[2] Charles Univ Prague, Fac Sci, Dept Phys & Macromol Chem, Hlavova 8 2030, CZ-12843 Prague 2, Czech Republic

来源：

CATALYSIS TODAY | 2018年 / 304卷

关键词：

Cardanol; Olefin metathesis; Hoveyda-Grubbs type catalyst; Immobilized catalyst; SBA-15; Flow chemistry; MESOPOROUS MOLECULAR-SIEVES; NUT SHELL LIQUID; OLEFIN METATHESIS; DERIVATIVES; PORPHYRINS;

D O I：

10.1016/j.cattod.2017.09.049

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Cardanol (a mixture of phenols with C-15 aliphatic unsaturated chain in meta position, manufactured from cashew nut shell liquids) is an abundant and till now practically waste natural material. An important way leading to its utilization as a renewable source of valuable phenolic compounds is represented by olefin metathesis. Quaternary ammonium tagged Ru complex of Hoveyda-Grubbs type immobilized on SBA-15 mesoporous molecular sieve by non-covalent interactions was proved as a very efficient catalyst for cardanol metathesis under mild conditions (35 degrees C, toluene, 0.1 mol% of catalyst). The catalyst was used also in cross-metathesis of cardanol with alkenes (1-hexene, 1-heptene, 3-hexene, 4-octene) and unsaturated esters (methyl acrylate, 1,4-diacetoxybutene-2) under high yields of cross-metathesis products. The catalysts exhibited low leaching (from 0.2 ppm to 2.9 ppm Ru in products) and can be used in a continuous flow reactor (cumulative TON = 2500).

引用

页码：127 / 134

页数：8

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