CPPA-TPP is a chain transfer agent conjugated to the mitochondria-targeting moiety triphenylphosphonium (TPP).1 It has been used in the synthesis of reactive oxygen species-sensitive mitochondrial targeting polyprodrugs containing the topoisomerase I inhibitor camptothecin.
References:
[1].Zhang, W., Hu, X., Shen, Q., et al.Mitochondria-specific drug release and reactive oxygen species burst induced by polyprodrug nanoreactors can enhance chemotherapyNat. Commun.10(1)1704(2019).
















