Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Volume 45 , Issue 9
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  • Hailing Duan, Yasuhiro Yamada, Satoshi Sato
    2016 Volume 45 Issue 9 Pages 1036-1047
    Published: September 05, 2016
    Released: April 05, 2017
    [Advance publication] Released: July 16, 2016
    JOURNALS RESTRICTED ACCESS

    Global supply of 1,3-butadiene (abbreviated as BD) is faced with problems such as unstable price of petrochemicals and variation of chemical feedstock in recent years. Many research works have been conducted to produce BD from some renewable resources instead of petroleum. Among them, biomass-derived C4 alcohols such as 1,3-butanediol (1,3-BDO), 2,3-butanediol (2,3-BDO), and 1,4-butanediol (1,4-BDO) have been considered as alternative resources to produce BD. Direct dehydration of butanediols (BDOs) into BD, however, needs high reaction temperatures while the dehydration into their corresponding unsaturated alcohols (UOLs) such as 3-buten-2-ol (3B2OL), 2-buten-1-ol (2B1OL), and 3-buten-1-ol (3B1OL) proceeds at rather low temperatures over specific catalysts. The latter step of BDO dehydration, dehydration of UOLs to BD, is readily catalyzed by solid acids even at lower temperatures than those at which BDOs are dehydrated completely. Thus, efficient formation of UOLs from BDOs would be a key process to produce BD with high selectivity. We summarize the BD production from C4 alcohols as well as the dehydration of BDOs to UOLs, in addition to the BD production via ethanol dimerization.

    Many research works have been conducted to produce 1,3-butadiene from some renewable resources instead of petroleum. Biomass-derived C4 alcohols such as butanediols have been considered as the alternative resources to produce 1,3-butadiene. In this review, we highlighted the recent advances in the formation of 1,3-butadiene and unsaturated alcohols from C4 alcohols in addition to the dimerization of ethanol. Fullsize Image
     
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