The value of octa acid (OA) as a reaction vessel in steering a photoreaction toward a less favored product was established. Photodimerization of 2-anthracenecarboxylic acid within OA yields exclusively head-to-head dimers, while in media such as solution, cyclodextrins (CD) and related hosts yield predominantly head-to-tail dimers. Further, OA enhances the chiral selectivity on the product dimers. The difference between OA and CD is attributed to the variation in the dimensions of their entry ports.
ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Organic Chemistry