1.Preparation of selective steroid-11β-hydroxylase (CYP11B1) inhibitors for treatment of cortisol dependent diseases. 2.Preparation of tetrabutylammonium trifluoroborates. 3.Preparation of heteroaryl substituted tetrahydropyrroloijquinolinone derivatives as aldosterone synthase inhibitors. 4.Synthesis of aminoarylpyridazines as selective CB2 agonists for treatment of inflammatory pain. 5.Preparation of acyl substituted indoles via palladium-catalyzed domino coupling/carbonylation/Suzuki coupling of dibromoethenylanilines. 6.Synthesis of antagonists of bacterial quorum sensing. 7.Preparation of potassium heteroaryl trifluoroborates from boronic acids and their use as coupling partners with various aryl and heteroaryl halides in Suzuki-Miyaura cross-coupling reactions