Survey of fundamental reactions used to construct organic molecules, with emphasis on reaction mechanisms. Introduction to functional group interconversions, and construction of complex organic molecules. Three lectures, one tutorial; one term Prerequisite(s): One of CHEM 2OA3, 2OC3, CHEM BIO 2OA3 Antirequisite(s): CHEM 2BB3, 2OB3, CHEM BIO 2OB3