Synthesis and photochemotherapeutic activity of thiopyrano[2,3-e]indol-2-ones
- Bioorg Med Chem Lett. 2005 May 2;15(9):2291-4. doi: 10.1016/j.bmcl.2005.03.016.
- 1. Dipartimento Farmacochimico, Tossicologico e Biologico, Università degli Studi di Palermo Via Archirafi 32, 90123 Palermo, Italy.
A series of derivatives of the new ring system thiopyrano[2,3-e]indol-2-one was prepared with the aim of obtaining new photochemotherapeutic drugs. Biological screenings were performed on this new class of photoactivable drugs and a strong antiproliferative effect was observed upon irradiation with UVA light. The compound bearing a methyl substituent at the pyrrole nitrogen resulted as the most interesting showing IC50 in the nanomolar range.