S. Kosemura et S. Yamamura, CITREOAZOPYRONE, A NOVEL METABOLITE OF A HYBRID STRAIN KO-0011 DERIVED FROM PENICILLIUM-CITREO-VIRIDE-B IFO-6200 AND IFO-4692, Tetrahedron letters, 38(17), 1997, pp. 3025-3026
A novel metabolite, citreoazopyrone, has been isolated from the myceli
um of a hybrid strain KO 0011 derived from Penicillium citreo-viride B
. IFO 6200 acid 4692. Its stereostructure has also been elucidated on
the basis of its spectral data and some chemical evidence. It inhibite
d the growth of hypocotyls of lettuce seedlings. (C) 1997 Elsevier Sci
ence Ltd.