M. Ooike et al., STRUCTURES OF A NEW-TYPE OF INDOLODITERPENE, PETROMINDOLE, AND A NEW ASTERRIQUINONE DERIVATIVE, PM-53, FROM THE ASCOSTROMATA OF PETROMYCES-MURICATUS, Chemical and Pharmaceutical Bulletin, 45(10), 1997, pp. 1694-1696
A new type of indoloditerpene, petromindole (1), and a new asterriquin
one derivative, PM-53 (2), were isolated from the ascostromata of Petr
omyces muricatus, along with bisindolylbenzenoids, petromurins A (3)-D
(6). The structure of 1 was suggested by spectroscopic data and confi
rmed by an X-ray crystallographic analysis, while that of 2 was determ
ined by analyses of the various NMR spectra.