Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Isolation and Structures of Dicyanide Derivatives, Epurpurins A to C, from Emericella purpurea
Hideyuki TAKAHASHIKoohei NOZAWAKen-ichi KAWAI
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1996 Volume 44 Issue 12 Pages 2227-2230

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Abstract

Three new yellow pigments, designated epurpurins A-C (1-3), were isolated along with variecolin and emindole PA from the dichloromethane extract of rice fermented with Emericella purpurea. Compounds of 1-3 were established as 2, 3-dicyano-1, 4-di(4-hydroxyphenyl)-1, 3-butadiene derivatives by spectroscopic and chemical investigation and X-ray analysis of the dimethyl ether of epurpurin C (4).

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© The Pharmaceutical Society of Japan
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