Interesting and useful phenomena can be observed when different self-assembled containers work together. Current challenges involve inducing multiple structures to form in parallel,1 such that they may act in concert to achieve a catalytic goal.2 Our techniques thus allow entry into the emerging field of systems chemistry.3 Functional systems that we have recently developed include a fuel-controlled self-assembly process4 and a triphasic sorting system, wherein three guests are selectively encapsulated within three cages, each in turn soluble in only one of three mutually-immiscible phases (water and two different ionic liquids).5 As shown below, one system can undergo a two-step cascade reaction that results in one of its members becoming lipophilic, allowing it to transfer into a less polar phase along with its cargo.6

Let’s get them talking: Systems of container molecules that work together

255th National Meeting (2018)

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