The Crystal Structures of Sterigmatocystin and O-Methylsterigmatocystin, Metabolites of the Genus Aspergillus

Abstract
The crystal and molecular structures of sterigmatocystin and O-methylsterigmatocystin have been studied by the X-ray diffraction method. Both compounds crystallized in the space group P21 with Z=2. The cell dimensions are a=16.068, b=4.293, c=11.243 Å, and β=113.23° for sterigmatocystin, and a=8.835, b=16.769, c=5.403 Å, and β=109.21° for O-methylsterigmatocystin.

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