Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

Identify the mechanism by which each of the reactions above proceeds from among

ID: 1020690 • Letter: I

Question

Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a - i for your answers.

CH 2 Li aq. NaOH NaC H20 reflux NH HO3PO HO3PO CH3 N CO. enzyme H3N CO OH OH H H Alanine Pyridoxyl phosphate Step in the oxidation of alanine to pyruvate. NH HCI HO3PO HO3PO CH N CO. enzyme H3N CO OH H OH H Alanine Pyridoxyl phosphate Step in the oxidation of alanine to pyruvate. a Proton transfer d SN2 Nucleophilic substitution g ENucleophilic subs at carbonyl acyl Xfer Lewis acid/base eJ Electrophilic aromatic substitution h J Conjugate (nucleophilic) addn c E2 elimination. f Carbonyl nucleophilic addn Identify the mechanism by which each of the actions above proceeds from a the mechanisms listed. Use the letters a i for your answers.

Explanation / Answer

Identification of reaction mechanism,

1. b.

2. d.

3. b.

4. f.

5. b.

6. f.