Problem II, 50 points. Complete ten (10) of twelve (12) problems below with the appropriate reactant(s),...
Propose an efficient synthesis for the transformation below. Enter the appropriate number of letter from the reagent list handout Step 1 Step 2 Step 3 OH Alkyl Halides (X = CI, Br or 1) and Acyl chlorides: Assume Allig 15 present, if needed CIP CU CH3X X CI E A B EE Ketones. Aldehydes and Epoxides: Assume "then H20" is included if a protonation step is needed F A A K 0 MN Р Grignard, Wittig and Organocuprate Reagents: Assume...
18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of all proton resonances (8 pts). Calculate the Unsaturation Index of each compound (4 pts) (30 points total) 30 Unsat. Index = (2C+2-H-X+NY2 = 200 25 e = 2.00 ppm, 4.90 f = 1.27 ppm, 20 720 Compound 18a: C,H,O, singlet, 2H triplet, 3H 127 15 d = 2.66 ppm, a = 7.21 ppm, b = 7.18 ppm, doublet, 2H doublet, 2H C = 4.90...