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Citreospirosteroid, a new metabolite of a hybrid strain KO 0011 derived fromPenicillium citreo-virideB. IFO 6200 and 4692

Authors
Journal
Tetrahedron Letters
0040-4039
Publisher
Elsevier
Publication Date
Volume
38
Issue
42
Identifiers
DOI: 10.1016/s0040-4039(97)01723-1

Abstract

Abstract A sterol with a spiro ring system of B/C rings, citreospirosteroid, has been isolated from the mycelium of a hybrid strain KO 0011 derived from Penicillium citreo-viride B. IFO 6200 and 4692. Its stereostructure has also been elucidated on the basis of its spectral data. It inhibited the growth of hypocotyls of lettuce seedlings, but promoted the growth of roots of its seedlings.

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