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Question 10 20 pts The following reaction leads to two products: conjugated system A and unknown...
D Question 24 6 pts Provide a curved arrow mechanism for the following reaction. You will draw this mechanism separately and then upload a file of your drawing. Your file for this question must be named "Lastname_Firstname_Mechanism" JOH ОН conc. H2SO4 heat on hea se Upload Choose a File
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3. (10 pts total) Consider the following alkene addition reaction: Brz H2O НО Br a. (3 pts) This type of alkene addition reaction is mediated by both Lewis acids and bases. Of the two inorganic reactants (Br2 and H2O), place a triangle (1) around the one which functions as a Lewis acid in the above transformation b. (3 pts) of the two regioisomeric reaction products shown, only one is observed to form under the...
PM Wed Jul 29 1 pts Question 3 Use the curved arrow notation to draw the mechanism for the following reaction: 1.) Mg/ether о 2.) Br 3.) H2O C1 Upload Choose a File
Question 5 O pts Provide the complete mechanism that shows the formation of the major product for the following reaction. Include appropriate arrows, intermediates, and formal charges, and label the rate-determining step RDS, To submit this free-response answer, construct your mechanism drawing (either electronically or on paper), convert this a PDF file, then upload the PDF file: (a) as the answer to this question, and (b) to the appropriate Carmen Assignment, where the question will be graded. o H. C...
QUESTION 20 Consider the dehydration reaction using the starting material shown below to answer questions 20-23 Dehydration Which reagent(s) are required to perform a dehydration reaction? o a. HCI С. NaH o d. H2SO4 e. NaOH f, H2SO4, heat g. NaOH, heat QUESTION 21 Identify all carbocations that appear in the mechansim for this reaction. Choose all that apply iv) a. C. eNone of the above. The reaction goes by an E2 mechanism and no carbocations are formed. QUESTION 22...
Choose a File Question 2 5 pts • For the following compounds... 1. Provide molecular formula 2. Provide IUPAC name 3. Show addition of hydrogen reaction, draw structures of the products and provide IUPAC name for the products. a) b) O I • Upload your answer for this assignment. Upload Choose file
4. Predict the products of the following reactions & indicate whether they are most likely to go through an SN2, SN1, E1, or E2 mechanism. NaCN DMSO NaOH CH3OH heat Only one product is formed in the following E2 elimination reaction. Draw an arrow-pushing mechanism for the reaction and provide the correct product structure. Include a 3-D drawing (chair conformation) displaying proper stereochemistry of the transition state to explain formation of only the major product. CH3 •Br NaOCH3 ~"'CHS
7. The following reaction is monitored by GCMS. After 5 hours the reaction is complete with two major products,A and B. Draw the structures for the products A and B in the boxes below. H30*, H2O A + OH room temperature A time = 5 hours solvent peak B A Why is A the major product? retention time -> After 24 hours, the GCMS trace shows that B is the major product. Explain (in words and with arrow pushing) how...
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4. (10 pts) Draw all possible products for the following reaction including stereoisomers. Note that the addition occurs through a "syn" mechanism. Is the product solution optically active (yes or no)? 1. BAHATHF 2. NaOH, HO (8 pts) Provide a complete mechanism for the reaction below and include lone-pairs of electrons and formal charges. Show all products formed including stereoisomers. Is the product solution optically active (yes or no)? Bras 11. (8 pts) Draw all four regiochemical...
4. Provide the products of each reaction (3pts, 2pts) 1. H2O+ OCH; 2. NaOCH, CHOH OCH 3. H, A 4. NaCN 1. LDA 2. Pho 3. H , A 4. EtMgBr 5. Provide an arrow-pushing mechanism for the reaction below, and state how many product stereoisomers are possible (5 pts) NO2 cat. KOH ЕКОН