In the pocket: A nanoporous framework with internal surfaces lined with amino acid residues (see structure; Ni cyan, C gray (chiral centers yellow), H white, N blue, O red) is produced by the pillaring of nickel–aspartate layers by 4,4′-bipyridine. The presence of pockets capable of multiple interactions with guest species permits the enantioselective sorption of short-chain diols.
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