Issue 10, 2020
From the journal:

Green Chemistry

Cracking of squalene into isoprene as chemical utilization of algae oil†

Kazuya Kimura,ab   Kazuma Shiraishi,ab   Takahiro Kondo,cd   Junji Nakamuracde  and  Tadahiro Fujitani ORCID logo *bce  

* Corresponding authors

a Graduate School of Pure and Applied Sciences, University of Tsukuba, Japan

b Interdisciplinary Research Centre for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology, Japan
E-mail: t-fujitani@aist.go.jp

c Department of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba, Japan

d Tsukuba Research Centre for Energy Materials Science, University of Tsukuba, Japan

e Algae Biomass and Energy System R&D Center, University of Tsukuba, Japan

Abstract

The craking of squalene was studied with and without heterogeneous catalysts. The thermal decomposition of squalene occurred suddenly as a chain reaction above 723 K, yielding linear C5 (isoprene) and C10 hydrocarbons selectively with a conversion of >90%. The decomposition mechanism may involve allyl bi-radicals, ˙CH2–C(CH3)[double bond, length as m-dash]CH–CH2˙, intermediates that convert to isoprene, CH2[double bond, length as m-dash]C(CH3)–CH[double bond, length as m-dash]CH2.

Graphical abstract: Cracking of squalene into isoprene as chemical utilization of algae oil

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Article information

DOI
https://doi.org/10.1039/D0GC00268B
Article type
Communication
Submitted
21 Jan 2020
Accepted
26 Apr 2020
First published
28 Apr 2020

Green Chem., 2020,22, 3083-3087

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Cracking of squalene into isoprene as chemical utilization of algae oil

K. Kimura, K. Shiraishi, T. Kondo, J. Nakamura and T. Fujitani, Green Chem., 2020, 22, 3083 DOI: 10.1039/D0GC00268B

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