Chiral Recognition of L- and D- Amino Acid by Porphyrin Supramolecular Aggregates

Molecules

Alessandro D’Urso¹  MariaElena Fragal๠ Rosalba Randazzo¹  ChiaraMaria Antonietta Gangemi¹  Massimiliano Gaeta¹  Roberto Purrello¹ 

[1] Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy;

关键词: amino acid;    porphyrin;    circular dichroism;    supramolecular chirality;    self-assembly;   

DOI  :  10.3390/molecules24010084

来源: DOAJ

【 摘 要 】

We report of the interactions between four amino acids lysine (Lys), arginine (Arg), histidine (His), and phenylalanine (Phe) with the J-aggregates of the protonated 5,10,15,20-tetrakis(4-sulfonatophenyl)-porphyrin H4TPPS. Several aspects of these self-assembled systems have been analyzed: (i) the chiral transfer process; (ii) the hierarchical effects leading to the aggregates formation; and, (iii) the influence of the amino acid concentrations on both transferring and storing chiral information. We have demonstrated that the efficient control on the J-aggregates chirality is obtained when all amino acids are tested and that the chirality transfer process is under hierarchical control. Finally, the chiral porphyrin aggregates obtained exhibit strong chiral inertia.

【 授权许可】

Unknown