作者: David G. Davies , Philip Hodge
DOI: 10.1039/P19740002403
关键词:
摘要: Chemical and spectroscopic evidence indicates that the natural quinone cladofulvin is unsymmetrical 5,7′-didehydro-dimer of 1,2,8-trihydroxy-6-methylanthraquinone (nataloe-emodin), 1′,4,5,6,7′,8′-hexahydroxy-2,3′-dimethyl-1,2′-bianthracene-9,9′,10,10′-tetrone (II; R1= R2= H).