Diketopiperazines produced by endophytic fungi found in association with two Asteraceae species.

  title={Diketopiperazines produced by endophytic fungi found in association with two Asteraceae species.},
  author={Denise de Oliveira Guimar{\~a}es and Warley S Borges and Noemi J Vieira and Laiani F de Oliveira and Carlos Henrique Tomich de Paula da Silva and Norberto Peporine Lopes and Lu{\'i}s G. Dias and Rosa Dur{\'a}n-Patr{\'o}n and Isidro G Collado and M{\^o}nica Tallarico Pupo},
  volume={71 11-12},
Diketopiperazine (DKP) derivatives, named colletopiperazine, fusaperazine C and E as well as four known DKPs were isolated from cultures of Colletotrichum gloeosporioides, Penicillium crustosum, both endophytic fungi isolated from Viguiera robusta, and a Fusarium spp., an endophyte of Viguiera arenaria, respectively. Their structures were established on the basis of their spectroscopic data. Conformational analysis of two known DKPs showed that folded conformations were as energetically stable… CONTINUE READING
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