S. Y. Ouyang et al.
Acknowledgements
Authors thank for support of the National Natural Science Foundation of China (No. 21003043) for this work.
References
[1] Okamura, M., Takagaki, A. and Toda, M. (2006) Acid-Catalyzed Reactions on Flexible Polycylic Aromatic Carbon in
Amorphous Carbon. Chemisty Mat eri al, 18, 3039-3045. http://dx.doi.org/10.1021/cm0605623
[2] Dora, S., Bhaskar, T. and Singh, R. (2012) Effective Catalytic Conversion of Cellulose into High Yields of Methyl
Glucosides over Sulfonated Carbon Based Catalyst. Bioresource Technology, 120, 318-321.
[3] Xu, Q., Wang, Y.J. and Yin, D.L. (2009) One-Pot Three-component Mannich Reaction Catalyzed by Sucrose Char
Sulfonic Acid. Frontiers of Chemical Engineering in China, 3, 201-205. http://dx.doi.org/10.1007/s11705-009-0052-5
[4] Hara, M., Yoshida, T. and Takagaki, A. (2004) A Carbon Material as a Strong Protonic Acid. Angewandte Chemie In-
ternational Edition, 43, 2955-2958. http://dx.doi.org/10.1002/anie.200453947
[5] Chen, G. and Fan g, B.S. (2011) Preparation of Solid Acid Catalyst from Glucose–starch Mixture for Biodiesel Produc-
tion. Bioresource Technology, 102, 2635-2640. http://dx.doi.org/10.1016/j.biortech.2010.10.099
[6] Yu, J.T., Dehkhoda, A.M. and Ellis, N. (2011) Development of Biochar-based Catalyst for Transesterification of Ca-
nola Oil. Energy Fuels, 25, 337-344. http://dx.doi.org/10.1021/ef100977d
[7] Song, X.L., Fu, X.B. and Zhang, Ch.W. (2012) Preparation of a Novel Carbon Based Solid Acid Catalyst for Biodiesel
Production via a Sustainable Route. Catalysis Letter, 142, 869-874. http://dx.doi.org/10.1007/s10562-012-0840-2
[8] Chang, B., Tian, Y. and Shi, W. (2013) SO3H-functionalized Mesoporous Carbon/silica Composite with a Spherical
Morphology and Its Excellent Cata lyti c Performance for Biodiesel Production. Journal of Porous Materials, 20, 1423-
1431. http://dx.doi.org/10.1007/s10934-013-9728-9
[9] Chang, B.B., Fu, J. and Tian, Y.L. (2013) Multifunctionalized Ordered Mesoporous Carbon as an Efficient and Stable
Solid Acid Catalyst for Biodiesel Preparation. Journal of Physical Chemistry C, 117, 6252-6258.
[10] Suganuma, S., Nakajima, K. and Kitano, M. (2008) Hydrolysis of Cellulose by Amorphous Carbon Bearing SO3H,
COOH, and OH Groups. Journal of the American Chemistry Society, 130, 12787-12793.
http://dx.doi.org/10.1021/ja803983h
[11] Wu, Y.Y., Fu, Z.H. and Yin, D.L. (2010) Microwave-Assisted Hydrolysis of Crystalline Cellulose Catalyzed by Bio-
mass Char Sulfonic Acids. Green Chemistry, 12, 696-700. http://dx.doi.org/10.1039/b917807d
[12] Zhang, Ch., Fu, Z.H. and Liu, Y.Ch. (2012) Ionic Lique d-Functionalized Biochar Sulfonic Acid as a Biomimetic Cata-
lyst for Hydrolysis of Cellulose and Bamboo under Microwave Irradiation. Green Chemistry, 14, 1928-1934.
http://dx.doi.org/10.1039/c2gc35071h
[13] Smith, M.B. (2002) Organic Synthesis. 2nd Ed., McGra-Hill, New York.
[14] Wu, H.H., Yang, F. and Cui, P. (2004) An Efficient Procedure for Protection of Carbonyls in Bronstedacidic Ionic
Liquid [Hmim]BF4. Tetrahedron Letter, 45, 4963-4965. http://dx.doi.org/10.1016/j.tetlet.2004.04.138
[15] Li, D.M., Sh i, F. and Peng, J. (2004) Application of Functinal Ionic Liquids Possessing Two Adjacent Acid Sites for
Acetalization of Aldehydes . Journal of Organic Chemistry, 69, 3582-3585. http://dx.doi.org/10.1021/jo034859l
[16] Liang, X. and Qi, C. (2011) Synthesis of a Novel Ionic Liquid with Both Lewis and Brønsted Acid Sites and Its Cata-
lytic Activities. Catalysis Communications, 12, 808-812. http://dx.doi.org/10.1016/j.catcom.2011.01.018