PROCEDIMIENTO PARA LA PREPARACION DE 1& , 2& METILEN-6-METI-LEN Y 6&-METIL-PREGNENOS

摘要

1 alpha ,2 alpha -methylene-6-methylene- and 6 alpha -methylpregnenes of Formula I (I) wherein A is and R is a hydrogen atom, an acyl group, or an alkoxymethyl group are strong antiandrogens, and suitable for the topical treatment of seborrhea, acne, alopecia, and hirsutism.