期刊
CHEMSUSCHEM
卷 10, 期 4, 页码 711-719出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201601727
关键词
aqueous-phase hydrogenation; diketones; jet fuel; lignocellulose; triketones
资金
- National Natural Science Foundation of China [21277140, 21476229, 21690082, 21690084, 21672210]
- Dalian Science Foundation for Distinguished Young Scholars [2015R005]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB17020100]
- Department of Science and Technology of Liaoning Province [2015020086-101]
- 100-talent project of Dalian Institute of Chemical Physics (DICP)
A series of renewable C-9-C-12 triketones with repeating [COCH2CH2] units were synthesized in high carbon yields (ca. 90%) by the aqueous-phase hydrogenation of the aldol-condensation products of 5-hydroxylmethylfurfural (HMF) and ketones over an Au/TiO2 catalyst. Compared with the reported routes, this new route has many advantages such as being environmentally friendly, having fewer steps, using a cheaper and reusable catalyst, etc. The triketones as obtained can be used as feedstocks in the production of conducting or semi-conducting polymers. Through a solvent-free intramolecular aldol condensation over solid-base catalysts, the triketones were selectively converted to diketones, which can be used as intermediates in the synthesis of useful chemicals or polymers. As another application, the tri-and diketones can also be utilized as precursors for the synthesis of jet-fuel range branched cycloalkanes with low freezing points (224-248 K) and high densities (ca. 0.81 gmL(-1)).
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