Reference : Revisiting the deoxydehydration (DODH) of glycerol towards allyl alcohol under contin...
Scientific congresses and symposiums : Poster
Physical, chemical, mathematical & earth Sciences : Chemistry
Revisiting the deoxydehydration (DODH) of glycerol towards allyl alcohol under continuous-flow conditions
Tshibalonza Ntumba, Nelly mailto [Université de Liège - ULiège > > > Form. doct. sc. (chimie - paysage)]
Monbaliu, Jean-Christophe mailto [Université de Liège - ULiège > Département de chimie (sciences) > CITOS >]
Journée du département de chimie du 06/07/2017
le 06 juillet 2017
Departement de Chimie, Faculté des Sciences, Université de Liège
[en] DODH ; Glycerol ; Deoxydehydration ; Continuous flow
[en] The deoxydehydration (DODH) of glycerol towards allyl alcohol was revisited under continuous-flow conditions combining a microfluidic reactor setup and a unique reactive dynamic feed solution approach. Short reaction times, high yield and excellent selectivity were achieved at high temperature and moderate pressure in the presence of formic acid, triethyl orthoformate, or a combination of both. Triethyl orthoformate appeared as a superior reagent for the DODH of glycerol, with shorter reaction times, lower reaction temperatures and more robust conditions. In-line IR spectroscopy and computations provided different perspectives on the unique reactivity of glycerol O,O,O-orthoesters.
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