Synthesis of methyl tri-O-methylptilometrate (methyl 1,6,8-trimethoxy-3-propylanthraquinone-2-carboxylate)
Abstract
A synthesis of the fully O-methylated derivative (methyl 1,6,8-trimethoxy-3-propylanthraquinone-2-carboxylate)(2) of the crinoid pigment ptilometric acid is described.