Arianna Bini, Prof. Mariella Mella, Prof. Daniele Merli, Prof. Stefano Protti
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Front Cover: Photochemical Vs Thermal Acid Catalysed Cyclization of Cannabigerol (CBG): An Unexpected Selectivity (ChemPhotoChem 11/2024)
The Front Cover highlights investigations of the reactivity of Cannabigerol (CBG) in organic solvents under both photochemical and acid catalyzed conditions, pointing out the key role of the photoexcited CBG* in the selective formation of a 2,2-disubstituted-chromane derivative (green path). On the other hand, in the presence of Brønsted-Lowry acids, two tertiary carbocations are competitively generated (I+, II+, orange and blue paths). Finally, when performing the reaction in toluene in the presence of BF3*OEt2, a Friedel Crafts-like alkylation of the solvent was noticed (purple paths). More information can be found in the Research Article by Daniele Merli, Stefano Protti, and co-workers (DOI: 10.1002/cptc.202400157).
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