Official course description: 345 Intermediate Organic Chemistry. I, II, SS; 3 cr (P-I). Chemistry 345 is the second course of a two-semester sequence in organic chemistry. It covers diverse themes in organic reactivity, building on a foundation provided in Chemistry 343. Pre-Reqs: Chem 343 with grade of C or better. Chem 341 does not satisfy the prerequisite for enrollment in Chem 345. - See more at: