Highly Selective Reduction of Bio-Based Furfural to Furfuryl Alcohol Catalyzed by Supported KF with Polymethylhydrosiloxane (PMHS)

Table 3

Influence of hydrosilane type on the reduction of FUR to FFA.

Entry	Hydrosilane structure	Chemical name	Yield (%)	Conversion (%)	Selectivity (%)
1		1,1,1,3,5,5,5-Heptamethyltrisiloxane	72	>99	72
2		Triethoxysilane	75	>99	75
3		Triethylsilane	1	5	20
4		1,1,3,3-Tetramethyldisiloxane	>99	>99	100
5		Diphenylsilane	99	>99	99
6		Phenylsilane	>99	>99	100
7		Trimethoxysilane	57	88	65
8		PMHS	97	99	98

Reaction conditions: 0.5 mmol FUR, 25 mg 5 wt.% KF/ZrO₂, 2 mL DMF, 2.5 equiv. H⁻ of hydrosilane, 25°C, and 30 min.