Please explain in full detail. 5. (16) Propose mechanisms to explain these transformations: Br NaOCH CH, OH heat
Part II. Mechanisms!!! Propose mechanisms using arrow-pushing notations to show the transformations of the following reactions. d) CH OH heat CH, OH heel NE он EN E CH OH heat
HOHC H2O OH OH XS CH,Br HO Ag20 1. NaOCH, 2. H30+, no heat нсо. 1) NaOH, H2O (room temp) 2) cold dilute acidic workup
full mechanisms of the following transformations о ОН 5 — Т. Соон Сбон 2. 11 Br H000
Please explain the mechanisms of these reactions in detail 0 6. CrO HO OH OH 3. 1. PCC 2·PhMgBr 3. H note: Ph .CH,MgBr (xs) OCH, 2. H,O 3. HCI CI
Provide reaction mechanisms for the following transformations: (5 points each) CH3 Ph cat. Thiamine.HCI heat, NaOH OH Ph Ph H CH OH hint: consider the reversibility of the reaction
high Fill in the appropriate reagents for each of the following transformations. (16 points) Br OH Он 1. CH MS Br 2. 7 но 1 HAX 2.
2. Propose and efficient synthesis for each of the following transformations. [20] CN Br OH IIOH + enantiomer
Please explain in full detail. 8. (10 - extra credit) (a) (6) Propose la 2-4 step mechanism to explain this conversion. OH (b) (4) Draw a reasonable reaction coordinate diagram for this process.
1. NaOCH,CH, 2. HO, HP CH,NO NaOH 1. CH,ON, CH OH 2. HẠO, H" 3. heat 1. N.NO, HCI 1.H.O. 2 heat NICH
3 Propose mechanisms to account for the following transformations. Explain the regioselectivity. (4 points) HCl (excess)