Synthesis of organic cyclic carbonates assisted by macroporous polystyrene-based catalystстатья
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Дата последнего поиска статьи во внешних источниках: 17 февраля 2021 г.
Аннотация:An easy-to-prepare recyclable catalyst of quaternary ammonium nature and based on commercially available and inexpensive macroporous polymeric sorbent Purolite A103 resin hasbeen devised for the carbon dioxide addition to epoxides. The catalyst can be easily separateddue to its 0.6—0.85 mm bead size and recycled at least seven times. The catalyst makes it possible to carry out the reaction under solvent-free conditions. It is insensitive to the steric andelectronic eff ects of various epoxy substrates.