The present invention relates to methods for the prophylaxis, management and treatment of certain diseases modulated by the inhibition of the enzyme malonyl-coenzyme A decarboxylase (malonyl-CoA decarboxylase, MCD) by the administration of a composition containing as an active ingredient a compound according to Formula I. In particular, the invention relates to methods for the prophylaxis, management and treatment of cardiovascular diseases, diabetes, acidosis, cancers, and obesity through the administration of a compound which inhibits malonyl-coenzyme A decarboxylase activity. The present invention also includes within its scope the novel process for the preparation of certain compounds ##STR00001##