Use the following compounds when answering questions18-25. Assume that Cl<OH<CH3

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Use the following compounds when answering questions18-25. Assume that Cl<OH<CH3<CH2CH3<Ph.

For the reaction described in Question 22, is the reaction Stereospecific, Stereoselective, Regioselective or none of these (NOT)? Answer = For the answer to Question 19, list the chirality of carbons 2, 3, and 4. Your answer should be R, S, racemic (rac), or not chiral (nc). Answer: 2 = 3 = 4 = For questions 26-35, answer using the one of the following compounds. A compound with 2 degrees of unsaturation, IR bands at 2964(s) and 2874(s); ^1 H NMR: delta 1.11 (t, 6H), 2.15 (q, 4H); and 3 ^13 C peaks. Answer = A compound with an IR band at 1721(s) cm^-1; ^1 H NMR: delta 0.93 (d, 6H), 1.69 (m,1H), 2.12 (s,3H), 2.31 (d,2H); 5 ^13 C peaks including one at 209 ppm. Answer = A compound with IR bands at 2300-3400 (s), 1705 (s) and 1640(m) cm^-1; 7 ^13 C peaks including ones at 115, 136 and 179 ppm, DEPT 90: 1 uparrow; DEPT 135: 11, 5 downarrow. Answer = A compound with IR bands at 3378 (s), 3192 (s), 1650 (s) cm^-1; 6 peaks in the ^13 C NMR including one at delta 175; ^1 H NMR: 6 different peaks including one at delta 5.7(s, 2H. exchanges with D2O); mass spec: m/z = 113. Answer =

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