TiO2-photocatalytic acceptorless dehydrogenation coupling of primary alkyl alcohols into acetals

Literature Information

Publication Date 2014-05-13
DOI 10.1039/C4GC00413B
Impact Factor 10.182
Authors

Zhenping Zhu, Yupeng Wu, Tianjian Zhao, Li Li


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Abstract

Primary alkyl alcohols can be directly converted into acetals and H2via TiO2-photocatalytic dehydrogenation coupling at room temperature, with no need for any hydrogen acceptors. The reaction follows a tandem process integrating photocatalytic alcohol dehydrogenation and H+-catalytic acetalation, in which the H+ ion catalysts are provided by the alcohol dehydrogenation in real time. This approach exhibits a very high reaction rate and product selectivity, and represents a novel green process for the conversion of primary alkyl alcohols, especially for bio-renewable ethanol and 1-butanol.

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