The role of interactions between the cationic backbone and basic anions in green and ultra-selective catalytic synthesis of ethyl methyl carbonate in tunable ionized frameworks - Details

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The　significance　of　renewable　energy　sources　underscores　the　importance　of　developing　efficient　battery　technologies.　Ethyl　methyl　carbonate　(EMC),　with　its　superior　performance　as　an　electrolyte,　is　widely　utilized　in　lithium-ion　batteries.　However,　the　production　of　EMC　through　green　transesterification　of　dimethyl　carbonate　(DMC)　with　ethanol　encounters　challenges　due　to　low　EMC　selectivity　and　catalyst　reusability　issues.　In　this　study,　we　present　the　initial　instance　of　utilizing　an　imidazole-based　ionic　framework,　[CPIL-M]n[PhO],　which　exhibits　an　interaction　between　its　cationic　backbone　and　basic　anions.　This　interaction　is　specifically　designed　to　catalyse　the　selective　transformation　of　basic　anions　with　suitable　Lewis　basicity　in　the　production　of　EMC　via　transesterification.　The　introduction　of　N,N′-carbonyldiimidazole　into　the　ionic　framework　allows　for　tunable　modulation　of　Lewis　basicity　on　an　electronic　level,　enhancing　catalytic　activity　without　compromising　selectivity.　These　innovative　designs　enable　[CPIL-M]4[PhO]　to　exhibit　remarkable　performance,　achieving　69.02%　EMC　yield　and　90.19%　selectivity,　outperforming　most　reported　catalysts.　These　findings　could　pave　the　way　for　the　accelerated　development　of　efficient　catalysts　for　the　sustainable　production　of　EMC　through　transesterification　methods　in　the　future,　thereby　supporting　the　energy-efficient　transition　towards　renewable　energy　sources.　©　2024　The　Royal　Society　of　Chemistry.

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[ 1 ] [Chen J.]Engineering Research Center of Reactive Distillation, Fujian Province University, College of Chemical Engineering, Fuzhou University, Fujian 350108, Fuzhou, China
[ 2 ] [Chen J.]Qingyuan Innovation Laboratory, Fujian, Quanzhou, 362801, China
[ 3 ] [Xie J.]Engineering Research Center of Reactive Distillation, Fujian Province University, College of Chemical Engineering, Fuzhou University, Fujian 350108, Fuzhou, China
[ 4 ] [Xie J.]Qingyuan Innovation Laboratory, Fujian, Quanzhou, 362801, China
[ 5 ] [Chen X.]Engineering Research Center of Reactive Distillation, Fujian Province University, College of Chemical Engineering, Fuzhou University, Fujian 350108, Fuzhou, China
[ 6 ] [Chen X.]Qingyuan Innovation Laboratory, Fujian, Quanzhou, 362801, China
[ 7 ] [Dong R.]College of Environment & Safety Engineering, Fuzhou University, Fujian 350108, Fuzhou, China
[ 8 ] [Ge X.-H.]Engineering Research Center of Reactive Distillation, Fujian Province University, College of Chemical Engineering, Fuzhou University, Fujian 350108, Fuzhou, China
[ 9 ] [Ge X.-H.]Qingyuan Innovation Laboratory, Fujian, Quanzhou, 362801, China
[ 10 ] [Qiu T.]Engineering Research Center of Reactive Distillation, Fujian Province University, College of Chemical Engineering, Fuzhou University, Fujian 350108, Fuzhou, China
[ 11 ] [Qiu T.]Qingyuan Innovation Laboratory, Fujian, Quanzhou, 362801, China
[ 12 ] [Qiu T.]Fuzhou University International Joint Laboratory of Thermochemical Conversion of Biomass, Fuzhou University, Fujian 350108, Fuzhou, China

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Green Chemistry

ISSN： 1463-9262

Year： 2024

Issue： 20

Volume： 26

Page： 10500-10511

9 . 3 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 1

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