Synthesis of a natural hexachloro dinaphthofuran quinone

Abstract

1,3,6,8,11,13-Hexachloro-4,10-dihydroxy-5,9-dihydrodinaphtho[2,1- b:1',2'-d]furan-5,9-dione (1), a pigment isolated from soils and the only natural example of this ring system, has been synthesized for the first time.