How many allylic halides can be formed when 3-methycyclohexene undergoes allylic halogenation with one equivalent of...
How many alkene products can be formed when the alkyl iodide shown below undergoes E1 elimination? 9. How many alkene products can be formed when the alkyl iodide shown below undergoes El elimination? CH3 CH CH A) 1 B) 2 C) 3 D) 4 E) 5
This is a question on free radical halogenation. How and why does the bromoethane bond form for the 2nd resonance structure? 3. The allylic bromination of the alkene below with NBS gives four different products. Draw the two initially formed free radical intermediates with any applicable resonance structures, then draw the four products. Indicate which product will be the major product and which you would predict to have the lowest yield. Br, hv ® Ýsa Ś Br sminor 3 &+Br....
Need help with: d) propagation steps for the radical formation 3a) 3 other products for allylic bromination 3b) explanation of exactly why low conc. of Br2 is important in the allylic bromination reaction above. Thank you!! d. 1,3 butadiene can undergo radical polymerization. Give the propagation for the formation of the radical shown. ROOR RO light 3. a. The reaction can produce a number of allylic bromination products besides the one shown. Draw three of these other products. NBS ROOR...
Predict the dehydrohalogenation product(s) that result when the following alkyl halides are heated in alcoholic KOH When more than one product is formed, predict the major and minor products. (a) (CH)2CH-C(CH)2 7-46 (b) (CH),CH—ҪH-СH, T (c) (CH)C-CH-CH, Br Br (e) (f) Br (d) (CH) C CH3 Br Н HD Br
7-46 Predict the dehydrohalogenation product(s) that result when the following alkyl halides are beated in asshole KOH When more than one product is formed, predict the major and minor products. (a) (CH3)2CH-C(CH3)2 (b) (CH3)-CH-CH-CH (e) (CH3)2C-CH-CH Br Br Br CH | (CHDC CI HD CI
1. a) Draw the structure of 3-hexene, circling all allylic hydrogens. b) Draw the structure of 3-hexene again, this time circling all vinylic hydrogens. 2. a) Draw the structure of chlorofornm b) What do you imagine the structure of bromoform might be? 3. Show the steps necessary to convert propyne into cis 6-methyl-2-heptene. 4. Write in the product(s). Include stereochemistry where relevant. Label major and minor products CH3 CH3 a) CH3 NBS CH3 hu b) NaCECH (R) CH3CH2CH2CHDBr (D -...
What general classification can be given to the molecule below? Highlight the correct answer. A) primary allylic bromide B) secondary vinyl bromide C) tertiary allylic bromide D) tertiary vinyl bromide E) secondary alkyl bromide Write all possible organic products formed when CH3-CH=CH-C(CH3)3 reacts with NBS in the presence of light of a certain wavelength. Use appropriate resonance structure of the reaction intermediates to justify your answer.
CНз NBS, CCI4, hv lintermediate product(s) Hас Give all resonance structures of the allylic radical intermediate that arise from reaction above. 2. All allylic C-H on the molecule are equivalent so only show the two resonance structures arising from one C-H bond reacting. 3. Are the resonance structures above equivalent or non-equivalent? Think about the degree of the atom where the radical (the dot) is. Give all the products expected from the reaction above. 4.
Help on 16, 17, and 18!!!! ? 16. How many constitutional isomer allylic bromides does the following reaction give? NBS A/hv/ROOR C. 5 a. 3 b.4 d. 6 e. not a.-d. 17. Ignoring stereochemistry, what is the overall enthalpy difference of the reaction of 3-ethylpentane, fluorine, and light going to the major mono-fluorinated product? Bond Disassociation Energies kcal/mole C-H C-F C-CI C-Br C- L X -X 98 107 81 68 53 F | 38 95 106 80 68 53 cl...
please help with 16-18 thank you! NBS Ahv/ROOR ? 16. How many constitutional isomer allylic bromides does the following reaction give? a. 3 b. 4 c. 5 d. 6 e, not a.-d. 17. Ignoring stereochemistry, what is the overall enthalpy difference of the reaction of 3-ethylpentane, fluorine, and light going to the major mono-fluorinated product? Bond Disassociation Energies kcal/mole C-H C-F C-CIC -Br C- I X -X 1° 98 107 81 68 53 F 38 2° 95 106 80 68...