chm2211e4key - KEY Organic Chemistry II CHM 2211 Exam 4...

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KEY Organic Chemistry II CHM 2211 Exam 4 20072 I. Multiple Choice – Circle letter corresponding to the best answer to the question (56 points) 1. What product would result from the following reaction? O ? NH 3, H 2 O NaBH 3 CN pH 2-3 A) NH D) NH 2 B) OH E) NH 2 C) HO CN 2. Which of the following represents N-ethyl-2-phenylethylamine? A) CH 3 CH 2 N H CH 2 CH 2 Ph D) CH 3 CH 2 N H CHCH 3 Ph B) CH 3 CH 2 N Ph CH 2 CH 3 E) NH 2 CH 2 CH 3 C) CH 3 CH 2 N H CH 3 CH 2
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3. What would be formed in the following reaction? ? NH 3 + CH 3 I 1 mole 1 mole A) CH 3 NH 2 D) none of these B) (CH 3 ) 2 NH E) all of these C) (CH 3 ) 3 N 4. N-nitrosoamines (called nitrosamines) have what outstanding characteristic? A) An intense fishy odor D) Easily rearrange B) Tend to be carcinogenic E) Have acidic N-H hydrogens C) Ammonia-like odor 5. Which of the following is not limited to the synthesis of primary amines (R-NH 2 or Ar- NH 2 ) (i.e., which, if any, can be used to make 2 or 3 amines)? A) Gabriel synthesis D) Reduction of nitriles with LAH B) Reduction of amides with LAH E) Reduction of nitro groups with Fe/HCl C) Hofmann rearrangement 6. What is the structure of lithium diisopropylamide (LDA)? A) N O Li D) N O Li B) Li N O E) N Li C) N N O Li Li 7. Esters and amides are most easily made by nucleophilic acyl substitution reaction on: A) alcohols D) carboxylic acids B) acid anhydrides E) acid chlorides C) carboxylates 8. Which of the following is NOT a Michael acceptor? A) CH 2 =CHCHO D) CH 2 =CHNO 2 B) CH 2 =CHCN E) (CH 3 ) 2 CuLi C) CH 2 =CHCO 2 CH 3
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9. In the reaction shown below, which product(s) would be formed? H
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chm2211e4key - KEY Organic Chemistry II CHM 2211 Exam 4...

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