Synthetic Studies on Novel Sulfur-Containing Alkaloids, Prianosins Isolated from the Marine Sponge<i>Prianos melanos</i>. Synthesis of the Spirodienone Moiety by Phenolic Oxidation
In connection with sulfur-containing alkaloids, prianosins, a spiro derivative has been synthesized by phenolicoxidation of a phenol precursor with thallium(III) oxidation or electrochemical oxida...