Boric acid efficiently catalysed the one-pot reaction of alkyl or aryl aldehydes with 2-naphthol to afford the corresponding 14-alkyl- or aryl-14H-dibenzo[a,j]xanthenes in good yields under solvent-free conditions. © 2010 Zahed Karimi-Jaberi.
Karimi-Jaberi, Z., & Keshavarzi, M. (2010). Efficient one-pot synthesis of 14-substituted-14H-dibenzo[a,j]xanthenes using boric acid under solvent-free conditions. Chinese Chemical Letters, 21(5), 547–549. https://doi.org/10.1016/j.cclet.2010.01.014