All-carbon quaternary center containing tetrahydro-5H-benzo[c]fluorenes via highly stereoselective transannular carbocation cyclization

Cytotoxic phenanthrene and racemosol derivatives from Bauhinia malabarica roots: network pharmacology and in silico mechanistic insights Sawatdiraka N, Tabtimmai L, Kaennakam S, Kittakoop P, Joompang A, Jadsadajerma S, Wisetsai A* Phytochemistry. 2026. doi: 10.1016/j.phytochem.2026.115080.