Luxmi Varma, R; Ganga, V B; Suresh, E
(American Chemical Society, 2007)
Bis(spirodienones) of calix[4]arene undergo a facile photochemical rearrangement leading to a new macrocycle having a spirocyclic cyclopentenone-THF unit, a trisubstituted phenol, and a benzofuran moiety. The macrocyclic ...