Dysidin, ein neuartiger, chlorhaltiger Naturstoff aus dem Schwamm Dysidea herbacea

Dysidin, a novel chlorine containing natural product from the sponge Dysidea herbacea Dysidin ( 1 ) has been isolated from the marine sponge Dysidea herbacea . It structure has been determined by degradation studies and spectroscopic methods. The synthesis of a degradation product is described. The relative and absolute configuration is established by X ‐ray diffraction methods.