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Encapsulation of an Ionic Metalloporphyrin into a Zeolite Imidazolate Framework in situ for CO2 Chemical Transformation via Host-Guest Synergistic Catalysis.

It is a great challenge to rationally integrate multiple reactive sites into a composite material with confined nanospace, which can be applied as a nanoreactor to facilitate targeting catalytic reaction. In this work, an ionic metalloporphyrin has been encapsulated in situ into ZIF-8 for a solvent-free synthesis of cyclic carbonates from CO2 and epoxides without any co-catalyst under 1 atm CO2 .