Maria Tofi, Tamsyn Montagnon, Thomas Georgiou and Georgios Vassilikogiannakis
Org. Biomol. Chem., 2007,5, 772-777
DOI:
10.1039/B617966E,
Paper
Singlet oxygen (1O2) proves to be a powerful tool in mediating the one-pot synthesis of a salinomycin-type [6,6,5]-bis-spiroketal unit starting from a suitably substituted