

2 Give a mechanism to account for the following observation. (4 points)
3. Give the complete stepwise mechanism to account for the following observation. Use curved arrows to show the FLOW OF ELECTRONS. [5 points) OH H-CI
7. MECHANISM: Give the complete stepwise mechanism to account for the following observation. Use curved arrows to show FLOW OF ELECTRONS. [9 points H-CI 8.RETROSYNTHETIC ANALYSIS Give a reasonable synthesis for the following compound from the indicated starting materials. You may use any other organic reagents or inorganic reagents you wish. The desired product for each reaction must be the MAJOR PRODUCT. Give the reactants, conditions (where appropriate), and products of each synthetic step but NO MECHANISMS. [6 points] OH...
2. (12 points, 6 points each) Give the arrow pushing mechanism for To of the following reactions. Draw the resonance structures of the intermediate. You MUST include the mechanism for the formation of the electrophile for electrophilic substitution reactions. Do not combine steps and be sure to show arrows and charges for all steps. Gie Twoyo.coc.c.m.m.ci.e groded..ay are wotcleurly marked hwiti only gade wor A. HNO, H,So B. 1. AICI 2. H2o C. OzN NO2 NaOCH2CH 02N. heat N/A D....
5. (21 points - 7 points each) Mechanism Give an arrow pushing mechanism for the following transformations, be sure to show all the steps. Choose 3 that you would like graded and clearly mark them. If not clearly marked, I will only grade the first 3 problems B. Draw the mechanism and indicate initiation and propagation steps for the reaction below: NBS w peroxides heat peroxides
Propose a mechanism to account for the following:
Would it be optically active?
Page 4 of 16 5) (20) a) Propose a mechanism to account for the formation of the following observed reaction product(s) 1) NaBH4 CH3CH2OH 2) H30* он
6. Draw the mechanism and give the favored product for the following reaction. (10 points) [H+]( HA for mechanism)
5. Draw the mechanism and give the favored product for the following reaction. (10 points) NH [H+](HA for mechanism)
(i) Give reaction mechanisms that account for the observation that all three solvolysis reactions gave the same ratio of the three alcohol products. Aci EtOH/H20 dº 2040 EtOH/H, 204 0". anon ЕТОН/Н,0 Wci [5 marks]
Propose a mechanism for the following reaction:
PLEASE EXPLAIN!
is • (4 points) Propose a mechanism for the following reaction: > HO H+, H2O switch
j
4. Give the complete mechanism for the following reaction: Br2/H20