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Draw the mechanism of the Sn-1-like Sn2 reaction of tertiary epoxide illustrated below. Upload a PDF...
1. Which reaction below occurs faster through an SN2 mechanism and why? Draw the transition states of each reaction to explain your answer. »tom, to OH Br b) b) ^ Br OH, ^ o
1. Which reaction below occurs faster through an SN2 mechanism and why? Draw the transition states of each reaction to explain your answer. OH to bomto Br OH b) OH 2. The reaction of 9.0 g of 1-butanol (MW = 76g/mol) with 13.0 g of sodium bromide (MW = 103 g/mol) with excess acid produces 8.5 g of 1-bromobutane (MW 137 g/mol). a. What is the purpose of the acid? b. What is the % yield for the reaction? Show...
8. The reaction of bromide 1 may proceed via an Sp2 mechanism. For this Sn2 mechanism, you may assume that the final deprotonation step (step 2) to form 2 is fast. CH3 on con CH; Br + H2O OH + H-Br + Br 1 (step 1) 12 + H OH + H-Br fast (step 2) a) What is most likely rate-determining step for this Sn2 mechanism? b) Please write the expected rate law for this Sn2 mechanism. c) Please draw...
23. The mechanism of the reaction shown below includes: NaCN A. Protonation of the epoxide oxygen by water B. SN1 attack of cyanide at the tertiary position C. Addtion of sodium anion D. Cyanide addition to the 1° carbon of the epoxide
Please draw the best precursors to obtain the below molecule through and SN2 reaction. Upload your work.
Show the reaction mechanism of the acid-catalyzed formation of this ester. Upload Choose a File DQuestion 6 2 pts Which of these is a tertiary amine? ?? OH
Complete the following reactions and determine whether the reaction proceeds by an Sn 1, SN2, E1, or E2 mechanism and place the answer to the left of the reaction. Show stereochemistry where relevant. whether the reaction proceeds by an x1, Sa CH3 Br Br o NON DMSO da Нас сн H3C Br --BrH-Cecna O* DMF CH30® Na CH3OH, 50°C
On a blank piece of paper, draw a complete mechanism for the reaction below. Include all intermediates and show electron movement via curved arrows. HVH H2NNH2 H2SO4 (cat.) N-H Take a picture or scan your mechanism, and submit it for your answer using the file upload option. Upload Choose a File Question 4 10 pts
3. Determine the mechanism of nucleophilic substitution (SNI or SN2) for each reaction and draw the products. Be aware of stereochemistry. 8 + CN - dletone m et och cun, DE Br + OCH₂ CH₂ DME 4. Draw all constitutional isomers formed during each elimination reaction after determining whether it is E1 or E2. habel it as El or E2. госна. a y "ocha, B b. Tă CH₃OH Br -OH
The epoxide below can be opened with acetic acid. Draw the complete mechanism. Show all electron lone-pairs, formal charges and curved arrow notation. OH The reaction above is regioselective. Draw the transition state for the rate determining step above and the Use that to explain why addition takes place at the most substituted carbon of the epoxide. Transition states should include partial charges and dashed lines to indicate partial bond formation or cleavage