Catalysis Communications ( IF 3.4 ) Pub Date : 2019-04-09 , DOI: 10.1016/j.catcom.2019.04.008 Qiang Deng , Xiaohan Wen , Ping Zhang
Herein, a series of Pd nanoparticles supported on Cu-MOFs (Cu3(BTC)2, FeCu-DMC) with pure Lewis acidity are synthesized for hydrogenative ring-rearrangement reaction of furanic aldehydes (furfural, 5-hydroxymethyl furfural) to cyclopentanone compounds (cyclopentanone, 3-hydroxymethyl cyclopentanone). For both furfural and 5-hydroxymethyl furfural, the hydrogenation rate catalyzed by the Pd/Cu-BTC is six times faster than Pd/FeCu-DMC, due to the higher dispersion of Pd nanoparticles. Meanwhile, Pd/Cu-BTC with strong acidity for the selectivity of cyclopentanone compounds is more than 90%, while as for Pd/FeCu-DMC, furanic alcohols (furfuryl alcohol, 2,5-bis(hydroxymethyl)furan) are only actually be obtained because weak acidity cannot incur subsequent hydrolysis reaction.
中文翻译:
Pd / Cu-MOF是一种高效的催化剂,用于从生物质衍生的呋喃醛合成环戊酮化合物
本文中,合成了一系列具有纯路易斯酸性的负载在Cu-MOFs(Cu 3(BTC)2,FeCu-DMC)上的Pd纳米颗粒,用于呋喃醛(糠醛,5-羟甲基糠醛)与环戊酮化合物的加氢环重排反应(环戊酮,3-羟甲基环戊酮)。对于糠醛和5-羟甲基糠醛,由于Pd纳米颗粒的分散性较高,因此Pd / Cu-BTC催化的氢化速率比Pd / FeCu-DMC快六倍。同时,具有强酸性的Pd / Cu-BTC对环戊酮化合物的选择性大于90%,而对于Pd / FeCu-DMC,呋喃醇(糠醇,2,5-双(羟甲基)呋喃)实际上只是由于弱酸性不能引起随后的水解反应,因此可以得到。