Elymoclavine, an ergot alkaloid, is a potential prolactin inhibitor. It is a precursor in the biosynthesis of D-(+)-lysergic acid.
References:
[1]. Crider AM, Robinson JM, Floss HG, Cassady JM, Clemens JA. Ergot alkaloids. Synthesis of 6-alkyl-8-ergolenes and 6-methyl-8-aminoergolines as potential prolactin inhibitors. J Med Chem. 1977 Nov;20(11):1473-7.
[2]. Ahimsa-Müller MA, Markert A, Hellwig S, Knoop V, Steiner U, Drewke C, Leistner E. Clavicipitaceous fungi associated with ergoline alkaloid-containing convolvulaceae. J Nat Prod. 2007 Dec;70(12):1955-60.
References:
[1]. Crider AM, Robinson JM, Floss HG, Cassady JM, Clemens JA. Ergot alkaloids. Synthesis of 6-alkyl-8-ergolenes and 6-methyl-8-aminoergolines as potential prolactin inhibitors. J Med Chem. 1977 Nov;20(11):1473-7.
[2]. Ahimsa-Müller MA, Markert A, Hellwig S, Knoop V, Steiner U, Drewke C, Leistner E. Clavicipitaceous fungi associated with ergoline alkaloid-containing convolvulaceae. J Nat Prod. 2007 Dec;70(12):1955-60.