Acknowledgements; Table of Contents; 1 Introduction; 2 Synthesis of Furans and Benzofurans as Substrates for Iridium-Catalyzed Asymmetric Hydrogenation; 3 Iridium-Catalyzed Asymmetric Hydrogenation of Furans and Benzofurans; 4 Synthesis of Thiophene 1,1-Dioxides as Substrates for Iridium-Catalyzed Asymmetric Hydrogenation; 5 Iridium-Catalyzed Asymmetric Hydrogenation of Thiophene 1,1-Dioxides; 6 Iridium-Catalyzed Asymmetric Hydrogenation of Other Heterocycles; 7 Experimental Section; 8 References; CURRICULUM VITAE; Work experience & Art studies