New highly soluble [6,6]-methanofullerene derivatives incorporating both α-keto and α, β-ester stabilized phosphorus ylides; synthesis, characterization, theoretical and biological studies

We report the synthesis, characterization and application of new highly soluble [6,6]-methanofullerene derivatives {C60.DMAD.Ph2P(CH2)2PPh2C(H)C(O)C6H4-m-R} bearing both α-keto and α, β-ester stabilized phosphorus ylides as antioxidant agents.229