Study on Supramolecular Photochemistry-photodimerization of anthracic acid
It is an important and challenging research topic that activating new chemical reaction pathways through non-covalent action. Our group has been engaged in supramolecular photochemistry research, and successfully used the synthesized β-cyclodextrin (β-CD) derivatives to control the photodimerization of anthracic acid, and obtained non-classical photodimerization products by activating the unconventional path of photodimerization of anthracic acid using the 2:2 higher-order complex formed by β-CD derivatives and AC. In addition, stereoisomeric β-cyclodextrin (CD) dimers linked with a sulfur atom or an arene spacer were designed to create a tethered dual CD capsule for precisely manipulating the regio- and enantioselectivities of the photocyclodimerization of 2-anthracenecarboxylate (AC) to four stereoisomeric classical 9,10:9′,10′-cyclodimers and two nonclassical 5,8:9′,10′-cyclodimers.
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