利用空间位阻和氢溢流协同作用促进5-羟甲基糠醛选择性加氢制备5-甲基糠醛

李少鹏, 杜靖, 张彬, 刘艳贞, 梅清清, 孟庆磊, 董明华, 杜鹃, 赵志娟, 郑黎荣, 韩布兴, 赵美廷, 刘会贞

Selective Hydrogenation of 5-(Hydroxymethyl)furfural to 5-Methylfurfural by Exploiting the Synergy between Steric Hindrance and Hydrogen Spillover

Shaopeng Li, Jing Du, Bin Zhang, Yanzhen Liu, Qingqing Mei, Qinglei Meng, Minghua Dong, Juan Du, Zhijuan Zhao, Lirong Zheng, Buxing Han, Meiting Zhao, Huizhen Liu

Table 1 Catalytic performance of different catalysts ^a.


Entry	Catalyst	Time/h	Conv./%	Sel./%
Entry	Catalyst	Time/h	Conv./%	1	2	3	4
1	Pt@PVP/Nb₂O₅	24	> 99	92	–	–	–
2	Nb₂O₅	12	7	63	–	–	–
3	Pt/Nb₂O₅	3.0	80	12	60	17	0
4	Pt@PVP	12	16	37	45	-	–
5 ^b	Pt/C-com.	0.5	23	–	–	–	90
6	Pt@PVP/C	12	56	32	–	–	57
7	Pt@PVP/TiO₂	12	48	25	64	9	–