Ch 19 (Wittig Reaction is on Exam 2): 34, 35, 36, 37, 50, 51, 54k, 88Ch 20: 11, 14, 15
Ch 20: 10a-d, 20 (we only discussed two ways), 21, 41a, 42
Ch 20: 16-18, 44, 45, 46abgh, 47, 48 (ignore the reaction B --> F), 49, 50abd, 51a
