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Paper | Regular issue | Vol 26, No. 2, 1987, pp.475-479
Published online, 1st January, 1970
DOI: 10.3987/R-1987-02-0475
Studies of Fungal Products. XII. Structure of Aurantioemestrin from Emericella striata

Ken-ichi Kawai,* Koohei Nozawa, Hideyuki Seya, Nobuo Kawahara, Shun-ichi Udagawa, and Shoichi Nakajima

*Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan


The structure of aurantioemestrin (1), a new degradated dioxopiperazine isolated from Emericella striata (80-NE-22), was established as 1 on the basis of spectroscopic evidences. Aurantioemestrin (1), a dioxopiperazinethione, seems to be the biogenetical key intermediate from emestrin (3) to dethiosecoemestrin (2).