Organic Chemistry
4th Edition
ISBN: 9780073402772
Author: Janice G. Smith
Publisher: MCG
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Textbook Question
Chapter 8, Problem 8.53P
Under certain reaction conditions, 2, 3-dibromobutane reacts with two equivalents of base to give three products, each of which contains two new
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Under certain reaction conditions, 2,3-dibromobutane reacts with twoequivalents of base to give three products, each of which contains twonew π bonds. Product A has two sp hybridized carbon atoms, product Bhas one sp hybridized carbon atom, and product C has none. What arethe structures of A, B, and C?
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Chapter 8 Solutions
Organic Chemistry
Ch. 8 - Label the and carbons in each alkyl halide. Draw...Ch. 8 - Problem 8.2 Classify each alkene in the following...Ch. 8 - Prob. 8.3PCh. 8 - Prob. 8.4PCh. 8 - Problem 8.5 Label each pair of alkenes as...Ch. 8 - Prob. 8.6PCh. 8 - Problem 8.7 Several factors can affect alkene...Ch. 8 - Prob. 8.8PCh. 8 - Prob. 8.9PCh. 8 - Prob. 8.10P
Ch. 8 - Prob. 8.11PCh. 8 - What alkenes are formed from each alkyl halide by...Ch. 8 - Prob. 8.13PCh. 8 - Prob. 8.14PCh. 8 - Problem 8.15 How does each of the following...Ch. 8 - Prob. 8.16PCh. 8 - Prob. 8.17PCh. 8 - Prob. 8.18PCh. 8 - Prob. 8.19PCh. 8 - Problem 8.19 Explain why...Ch. 8 - Prob. 8.21PCh. 8 - Draw the alkynes formed when each dihalide is...Ch. 8 - Prob. 8.23PCh. 8 - Draw a stepwise mechanism for the following...Ch. 8 - 8.24 Rank the alkenes shown in the ball-and-stick...Ch. 8 - Prob. 8.26PCh. 8 - 8.26 What is the major E2 elimination product...Ch. 8 - Prob. 8.28PCh. 8 - Prob. 8.29PCh. 8 - Prob. 8.30PCh. 8 - Prob. 8.31PCh. 8 - PGF2 is a prostaglandin, a group of compounds that...Ch. 8 - Prob. 8.33PCh. 8 - Prob. 8.34PCh. 8 - Prob. 8.35PCh. 8 - Prob. 8.36PCh. 8 - Prob. 8.37PCh. 8 - Prob. 8.38PCh. 8 - Prob. 8.39PCh. 8 - Prob. 8.40PCh. 8 - What alkene is the major product formed from each...Ch. 8 - Prob. 8.42PCh. 8 - Prob. 8.43PCh. 8 - Prob. 8.44PCh. 8 - 8.42 In the dehydrohalogenation of...Ch. 8 - Prob. 8.46PCh. 8 - Prob. 8.47PCh. 8 - Prob. 8.48PCh. 8 - Prob. 8.49PCh. 8 - Prob. 8.50PCh. 8 - Draw the products of each reaction. a.c. b.d.Ch. 8 - Draw the structure of a dihalide that could be...Ch. 8 - Under certain reaction conditions, 2,...Ch. 8 - For which reaction mechanisms, SN1, SN2, E1 or...Ch. 8 - Draw the organic products formed in each reaction....Ch. 8 - Prob. 8.56PCh. 8 - Prob. 8.57PCh. 8 - Draw all products, including stereoisomers, in...Ch. 8 - Draw all of the substitution and elimination...Ch. 8 - Prob. 8.60PCh. 8 - 8.59 Draw a stepwise, detailed mechanism for each...Ch. 8 - Draw the major product formed when...Ch. 8 - Draw a stepwise, detailed mechanism for the...Ch. 8 - Explain why the reaction of with gives ...Ch. 8 - Draw a stepwise detailed mechanism that...Ch. 8 - Prob. 8.66PCh. 8 - 8.65 Explain the selectivity observed in the...Ch. 8 - Prob. 8.68PCh. 8 - Although dehydrohalogenation occurs with anti...Ch. 8 - 8.68 (a) Draw all products formed by treatment of...
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- Compound A exhibits a peak in its 1H NMR spectrum at 7.6 ppm, indicating that it is aromatic. (a) How are the carbon atoms of the triple bonds hybridized? (b) In what type of orbitals are the π electrons of the triple bonds contained? (c) How many π electrons are delocalized around the ring in A?arrow_forwardHow many rings and π(pi) bonds are contained in compound A and draw one possible structure for this compound A. Compound A has molecular formula C6H10 and is hydrogenated to a compound having molecular formula C6H12arrow_forwardCompound A and compound B are in equilibrium. Write a stepwise mechanism from compound Ato compound B showing ALL intermediates. Use curved arrows to symbolize the flow of electrons to show how each of the intermediates and products are formed. Show all lone pairs and formal charges. Lastly, explain which compound (Aor B) will be in higher concentration.arrow_forward
- How many rings and π bonds are contained in compounds A–C? Draw one possible structure for each compound. a. Compound A has molecular formula C5H8 and is hydrogenated to a compound having molecular formula C5H10.b. Compound B has molecular formula C10H16 and is hydrogenated to a compound having molecular formula C10H18.c. Compound C has molecular formula C8H8 and is hydrogenated to a compound having molecular formula C8H16.arrow_forwardDefine the below statement ? Benzene's six π electrons make it electron rich, so it reacts withelectrophiles.arrow_forwardCompounds A and B are isomers having molecular formula C5H12. Heating A with Cl2 gives a single product of monohalogenation, whereas heating B under the same conditions forms three constitutional isomers. What are thestructures of A and B?arrow_forward
- How many rings and π bonds are contained in compounds A—C? Draw one possible structure for each compound. a.Compound A has molecular formula C5H8 and is hydrogenated to a compound having molecular formula C5H10. b.Compound B has molecular formula C10H16 and is hydrogenated to a compound having molecular formula C10H18. c.Compound C has molecular formula C8H8 and is hydrogenated to a compound having molecular formula C8H16.arrow_forwardCompound A is an aromatic compound with the molecular formula C8H8. When treated with excess BR2, compound A is converted into compound B, with the molecular formula C8H8BR2. Draw the structure of compound a. arrow_forwardThe reaction of 3,4-dimethyl-3-hexanol (3,4-dimethylhexan-3-ol) with HBr generates compound A as the major product. Treatment of compound A with a strong base gives two isomers of compound B as the major product, along with one isomer of compound C and one isomer of compound D as minor products, all of which have one double-bond equivalent. Identify compounds A, B, C, and D and give their names. By what mechanism does the reaction of 3,4-dimethyl-3-hexanol with HBr occur? By what mechanism does the reaction of A with strong base to form B occur? Propose reaction conditions for an alternative, one-step method for converting 3,4-dimethyl-3-hexanol directly to compound B.arrow_forward
- 7. Which of the following statements regarding the cyclopropenyl anion is correct? and why?a) It is aromatic.b) It is not aromatic.c) It obeys Hückel’s rule.d) It undergoes reactions characteristic of benzene.e) It has a closed shell of 6 pi electrons.arrow_forward4arrow_forwardMethotrexate, a drug that inhibits the metabolism of folic acid, is used in the treatment of a variety of cancers and autoimmune disorders such as rheumatoid arthritis. (a) GIve the hybridization of each N atom in methotrexate. (b) In what type of orbital does the lone pair of each N reside? (c) Explain why the bicyclic ring system that contains four N atoms is aromatic.arrow_forward
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