“…Nature frequently exploits macrocycles as functional molecules within living systems, 1–3 and many of these and their derivatives have been exploited as therapeutics. 4–6 Some of the most important drugs for human health are naturally-occurring macrocycles, including vancomycin and cyclosporin.…”
Dipole-controlled pre-organization enables the cyclization of sequence-defined foldamers into macrocycles. The structure and properties of trimeric and tetrameric macrocycles are explored, and their ability to bind cationic guests is demonstrated.
“…Nature frequently exploits macrocycles as functional molecules within living systems, 1–3 and many of these and their derivatives have been exploited as therapeutics. 4–6 Some of the most important drugs for human health are naturally-occurring macrocycles, including vancomycin and cyclosporin.…”
Dipole-controlled pre-organization enables the cyclization of sequence-defined foldamers into macrocycles. The structure and properties of trimeric and tetrameric macrocycles are explored, and their ability to bind cationic guests is demonstrated.
Two terpene cyclases were used as biocatalytic tool, namely, limonene synthase from Cannabis sativa (CLS) and 5-epiaristolochene synthase (TEAS) from Nicotiana tabacum. They showed significant substrate flexibility towards non-natural prenyl diphosphates to form novel terpenoids, including core oxa-and thia-heterocycles and alkyne-modified terpenoids. We elucidated the structures of five novel monoterpene-analogues and a known sesquiterpene-analogue. These results reflected the terpene synthases' ability and promiscuity to broaden the pool of terpenoids with structurally complex analogues. Docking studies highlight an on-off conversion of the unnatural substrates.
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