Introduction to multi-step synthesis and instruments/analytical techniques used to characterize organic compounds. Retrosynthesis and diastereoselective reactions; spectroscopy (optical methods, NMR), mass spectrometry. Chromatography (GC, HPLC) and coupled techniques (GCMS, LCMS). CHEM or BIOC majors only. A-F only. Pre: 273 with a grade of C (not C-) or better, or departmental approval. (Spring only)