Draw the mechanism arrows for the formation of the two products in the following E1 reactions....
Draw the products in the following reaction. Identify which mechanism(s) the reaction will undergo. S_N1 S_N2 E1 E2 The number of E_2 product(s): 2 The E2 products: (major) (minor)
1. indicate whether the following reactions will proceed via an Sni, Sn2, E1 or 2 mechanism. 2 NISCH reaction type SN NaOCH.CH reaction type 2 2. Briefly explain your answer to question 1b 3. Provide the missing starting material(s), reactant(s) or product(s) as necessary for the following reactions. DBN (a bulky base) Br NaBr B) heat 4. For the following reaction, draw the MAJOR and the MINOR products formed. Label the type of reaction the produced the product below it...
Question 3. Predict the major products of the reactions below. Draw the full mechanism for the reactions, using appropriate arrows to indicate electron movement and the full structures of any intermediate(s). Use the mechanism of the reaction to provide a rationale for why the major product formed. OM (1 equivalent) ansole Bry Febr (1 culle brambenzone Fer (1 equivalent Priloromethylbenzene (9 marks) Question 4. Predict the major product from the treatment of 2,5-dibromopyridine with ammonia. Draw the full mechanism for...
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
Complete the curved arrow electron-pushing mechanism and predict the major organic product of the reaction when 1-chloropentane is treated with hydroxide in ethanol as shown below. Use curved arrows to show the conversion to the product. Draw the structure of the organic product formed in the reaction. Draw lone pairs. Select the option that describes the mechanism of the reaction above. S_N1 S_N2 E1 E2
Complete the curved arrow electron-pushing mechanism and predict the major organic product of the reaction when 1-chloropentane is treated with hydroxide in ethanol as shown below. Use curved arrows to show the conversion to the product. Draw the structure of the organic product formed in the reaction. Draw lone pairs. Select the option that describes the mechanism of the reaction above. S_N1 S_N2 E1 E2
The following reaction follow an E1 mechanism. Propose an arrow-pushing mechanism for the following transformations using proper curved arrows: Conc. H2SO4 heat By what mechanisms are the following reactions likely to occur? Draw the major product(s) for each reaction. Show relevant stereochemistry if appropriate. If the expected products are racemic, just draw one enantiomer and write racemic. NaoMe NaoMe OTS NaSH OTS H20
Predict the products formed in the following reactions. Predict the product(s) formed in the following reactions. If there is no reaction, write “No Rxn" as the answer for the major product and leave the minor product box blank. If there is no minor product in the reaction, then leave the minor product box blank. If there are multiple products, make sure the products are in the appropriate box. (24 points, 4 points each) Note: Do not over complicate some questions...
25. Which two reactions will never go through an E1 or Se 1 mechanism? Why not? NaOCH V ICH,CH, OH CH,OH X Hyo 26. Substitution and elimination reactions always compete with each other. For each reaction below draw the probable substitution and elimination products, considering if a 1" or 2" order mechanism is likely. Then identify the major product 27. Draw the major organic product, then the curved arrow mechanism for each reaction, considering whether the major pathway should be...
Predict the most likely reaction mechanism (SN1, SN2, E1, E2) and draw all products. Nato=CH₂ E2 ran Br major 2. Draw complete mechanism with arrows for the SN1/E1 mechanism. Check for carbocation rearrangements. CH3 SMI 애 + H₂O7