1,3,6,8,11,13-Hexachloro-4,10-dihydroxydinaphtho[2,1-b:1 ',2'-d]furan-5,9-dione. A polychloro quinone from green soils

Abstract

A polychloro pigment, C20H4C16O5, isolated from certain green soils, has been assigned the title structure (3). It is the first natural example of this ring system. It has structural affinities with known constituents of wood rotting fungi.