Convenient hydrogenation of furfural to furfuryl alcohol in metal-catalyzed and organo-catalyzed environments

被引：2

作者：

Matsheku, Asanda C. ^{[1
]}

Maumela, Munaka Christopher ^{[1
,2
]}

Makhubela, Banothile C. E. ^{[1
]}

机构：

[1] Univ Johannesburg, Res Ctr Synth & Catalysis, Dept Chem Sci, Auckland Pk,Kingsway Campus, ZA-2006 Johannesburg, South Africa

[2] Sasol, Res & Technol, 1 Klasie Havenga Rd, ZA-1947 Sasolburg, South Africa

来源：

RSC SUSTAINABILITY | 2023年 / 1卷 / 06期

基金：

新加坡国家研究基金会;

关键词：

PINCER COMPLEXES; SELECTIVE HYDROGENATION; PHASE HYDROGENATION; PLATFORM MOLECULES; FUEL ADDITIVES; PART; BIOMASS; COORDINATION; CONVERSION; EFFICIENT;

D O I：

10.1039/d3su00056g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Palladium iminophosphorane (C1-C3) and pyridylimine (C4-C5) pincer complexes were evaluated for their activity in the conversion of furfural to furfuryl alcohol in the presence of triethylamine (Et3N) and formic acid (FA). A catalyst loading of 0.1 mol% Pd afforded conversions of >99% achieving TONs of up to 9996. Surprisingly, upon evaluating a control blank (no metal catalyst) the conversions remained at >99% under metal catalyst-free conditions. Various tertiary and secondary amines were also screened in place of Et3N and all proved efficient in furfural hydrogenation to furfural alcohol giving comparable conversions (>99%). Apart from furfural, metal catalyst-free hydrogenation was expanded to various other aldehydes all of which were converted to their corresponding alcohols in excellent yields of up to 100%. This work has led to a new discovery that would result in cost-effective metal catalyst-free processes for aldehyde hydrogenation.

引用

页码：1471 / 1483

页数：13

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