Identification and characterization of a library of microheterogeneous cyclohexadepsipeptides from the fungus Isaria.

@article{Sabareesh2007IdentificationAC,
  title={Identification and characterization of a library of microheterogeneous cyclohexadepsipeptides from the fungus Isaria.},
  author={V. Sabareesh and R. S. Ranganayaki and S. Raghothama and M. P. Bopanna and H. Balaram and M. C. Srinivasan and P. Balaram},
  journal={Journal of natural products},
  year={2007},
  volume={70 5},
  pages={
          715-29
        }
}
Ten new cyclic hexadepsipeptides, six isariins and four isaridins, from the fungus Isaria have been identified and characterized by high-performance liquid chromatography, coupled to tandem electrospray ionization mass spectrometry (LC-ESIMS/MS). The isariins possess a beta-hydroxy acid residue and five alpha-amino acids, while isaridins contain a beta-amino acid, an alpha-hydroxy acid, and four alpha-amino acids. One- and two-dimensional NMR spectroscopy confirmed the chemical identity of some… Expand
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