scheme19
From: Enantioselective photochemical reactions within the confined cavities of supramolecular assemblies
Scheme 19. Visible-light-induced enantioselective α-alkylation of aldehydes within QH-COFs merging with a chiral secondary amine. Reproduced with permission from[80]. Copyright 2020, Elsevier. QH-COFs: Tetrahydroquinoline-linked covalent organic frameworks.
