Cyclicflavins with planarchirality (chiralflavinophanes) can oxidise thiols (ca. 43% enantiomeric excess) and NADH model compounds (ca. 60% enantiomeric excess) in an asymmetric manner.
Coenzyme models. 47. Synthesis and reactivity studies of novel flavinophanes and 5-deazaflavinophanes: correlation between flavin reactivity and ring strain