6. Complete the slightly altered assigned problem that covers elements of Chapters 21 and 22 by choosing the correct product for each reaction step from the choices below each box. Write the letter corresponding to your answer in the box. [4 pts each] A o B C a. [1] LDA -78°С [2] CHO b. [3] H20 C. A A CHO Он B D C D B C но. D но. + Он Он H OH Он ОН ОН ста

HO .OH cat. H2SO4 H₂O cat. H2SO4 Complete both mechanisms above. BRIEFLY explain how the different reaction conditions (in the presence of acid) result in different products being formed. How does equilibrium play a role?

Please explain why this reaction will NOT WORK. NO2 1. HNO3, H2SO4, 2. EtCI, AICI3

Recitation Week 4 6. Complete the following reaction sequence. HNO3 H₂SO4 NO₂ OEt H₂, Pd/C CHEM 2520 NaNO2 HCI 1. ACCI, pyr. 2. Br2, FeBr3 H₂O, heat KI method #1: method #2: or 1. NBS, hv, CC14 2. NaOH, H₂O Dr. Chang MnO2 8uey

Chemistry III. reactionsGive the main product and specify the mechanism that is favored.

Draw all products that are formed during the 3 reaction steps.

In each reaction box, place the best reagent and conditions from the list provided. 1) Br 2) 3) 4) DEET (the active ingredient in over the counter insect repellant) 5) Answer Bank Mg, Et,0 HN(CH, CH, ), (1 equiv.) H,O* CH,COOH CH,CH,NH, CH,CH, Br NH(CH,CH,),(2 cquiv.) НСООСH, H,CO НСООН CH, CH, OH NaCN NaNH, Br,, FeBr, SOCI, CO,

Draw the structure for the transition state in each reaction. (see the attachment)

Can someone show a detailed reaction mechanism for this problem?

Please explain each choice.