R. Arnold

Synthesis of Hypericin and Related meso‐Naphthodianthrones by Alkaline Dimerization of Hydroxyanthraquinones

W. Steglich, G. Rodewald, R. Arnold, 1977 .

Alkaline condensation of emodin to isohypericin: a simple synthesis of the meso-naphthodianthrone (phenanthro(1,10,9,8-opqra)perylene) system.

W. Steglich, R. Arnold, 1973, Angewandte Chemie.

Biosynthesis of anthraquinone pigments in Dermocybe

W. Steglich, W. Lösel, W. Reininger, 1972 .