New Isochromophilones VII and VIII Produced by Penicillium sp. FO 1164.

1 January 1996

journal article
Published by Japan Antibiotics Research Association in The Journal of Antibiotics

Vol. 49 (3) , 223-229
https://doi.org/10.7164/antibiotics.49.223

Abstract

New isochromophilones VII and VIII were isolated from the culture broth of Penicillium sp. FO-4164. The structures were elucidated as 6H-2-benzopyran-6,8(7H)-dione, 5-chloro-3-(3',5'-dimethyl-1',3'-heptadienyl)-1,7,8a-trihydro-7, 8a-dihydroxy-7-methyl-7-acetate for isochromophilone VII and 6H-2-benzopyran-6-one,5-chloro-3-(3',5'-dimethyl-1', 3'-heptadienyl)-1,7,8,8a-tetrahydro-7,8-dihydroxy-7-methyl-8-acetate for isochromophilone VIII. Isochromophilones VII and VIII inhibited diacylglycerol acyltransferase activity with IC50 values of 20.0 and 127 microM and acyl-CoA: cholesterol acyltransferase activity with IC50 values of 24.5 and 47.0 microM, respectively.

Keywords

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