RSC Advances

Efficient process for the direct transformation of cellulose and carbohydrates to 5-(hydroxymenthyl) furfural with dual-core sulfonic acid ionic liquids and co-catalysts

J Shi, H Gao, Y Xia, W Li, H Wang, C Zheng

Index: Shi, Jincai; Gao, Haiyan; Xia, Yongmei; Li, Wei; Wang, Haijun; Zheng, Changge RSC Advances, 2013 , vol. 3, # 21 p. 7782 - 7790

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Citation Number: 21

Abstract

The direct transformation of cellulose and carbohydrates into 5-(hydroxymethyl) furfural (HMF) in the solvent [BMIM] Cl using dual-core sulfonic acid ionic liquids (ILs) as catalysts and metal salts as co-catalysts was investigated, aiming at a more environmentally friendly process not involving chromium. From the high throughput screening of various metal salts, a combination of [bi-C3SO3HMIM][CH3SO3](IL-2) and manganese chloride (MnCl2) was ...