Seimisochromenes A and B: two new dihydroisochromenes from the endophytic fungus, Seimatosporium sp

J Asian Nat Prod Res. 2015;17(4):348-51. doi: 10.1080/10286020.2014.972383. Epub 2014 Nov 10.

Abstract

Two new dihydroisochromenes, named seimisochromenes A and B (1 and 2), were isolated from an endophytic fungus, Seimatosporium sp. The structures of seimisochromenes A and B have been determined from 1D ((1)H and (13)C NMR spectra) and 2D (COSY, HMQC, HMBC, and NOESY) NMR experiments.

Keywords: Seimatosporium sp.; dihydroisochromene; endophytic fungi; natural products.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Benzopyrans / chemistry
  • Benzopyrans / isolation & purification*
  • Molecular Structure
  • Nuclear Magnetic Resonance, Biomolecular
  • Xylariales / chemistry*

Substances

  • Benzopyrans
  • seimisochromene A
  • seimisochromene B