Studies on Fungal Products. III. Structure of Neocercosporin
Open Access
- 1 January 1978
- journal article
- research article
- Published by Pharmaceutical Society of Japan in YAKUGAKU ZASSHI
- Vol. 98 (11) , 1553-1555
- https://doi.org/10.1248/yakushi1947.98.11_1553
Abstract
The novel fungal pigment, neocercosporin (I), C29H26O10 mp 237.degree., was isolated together with cercosporin (II) from Cercosporina kikuchii (MITTS-1 strain) as reddish violet orthorhombic crystals. The structure of I was elucidated as 5,8-dihydroxy-2,11-dimethoxy-1,12-(2-hydroxypropyl)-6,7-methylenedioxyperylene-3,10-quinone. II was photosensitive and isomerized to isocercosporin, but I was stable and not photosensitive.Keywords
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