Design and Synthesize Drug Candidates for Discovery and Development: Chiral, Polycyclic, 3-8 Step Synthesis for Cancer, CNS, Pain, Diabetes, Microbial Infection, AIDS). Design and Synthesize Diagnostic Reagents and In Vivo Imaging Agents - Macrocycles, Antigens, Polycyclic Heterocycles.Synthetic and discovery organic chemistry for the pharmaceutical industries with applications in CNS, cancer, and pain.Preclinical development chemistry for pharmaceutical scale-up, metabolites, impurities, and deuterated drug candidates.Synthetic organic chemistry for in-vitro and in vivo diagnostics, including antigens and biotin conjugates with varied r...