Organic Chemistry
4th Edition
ISBN: 9780073402772
Author: Janice G. Smith
Publisher: MCG
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Chapter 18, Problem 18.51P
Explain why the meta product is formed in the following reaction despite the fact that - N(CH3)2 is usually an ortho, para director.
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The attached reaction does not afford the major product that is given.Explain why this is so, and draw the structure of the major productactually formed.
1) Draw the complete electron-pushing arrow mechanism for the following reductions. Explain, using
resonance contributors (structures), the regiochemistry that results in each case.
OMe
Na, MeOH
?
NH3
CHO
Na, MeOH
?
NH3
What are the major and minor products of this reaction?
Chapter 18 Solutions
Organic Chemistry
Ch. 18 - Prob. 18.1PCh. 18 - Prob. 18.2PCh. 18 - Prob. 18.3PCh. 18 - Prob. 18.4PCh. 18 - Prob. 18.5PCh. 18 - What acid chloride would be needed to prepare each...Ch. 18 - Prob. 18.7PCh. 18 - Draw a stepwise mechanism for the following...Ch. 18 - Prob. 18.9PCh. 18 - Prob. 18.10P
Ch. 18 - Prob. 18.11PCh. 18 - Prob. 18.12PCh. 18 - Problem 18.14 Draw all resonance structures for...Ch. 18 - Classify each substituent as electron donating or...Ch. 18 - Prob. 18.15PCh. 18 - Label each compound as more or less reactive than...Ch. 18 - Rank the following compounds in order of...Ch. 18 - Problem 18.18 Rank the following compounds in...Ch. 18 - Prob. 18.19PCh. 18 - Problem 18.20 Draw the products of each...Ch. 18 - Prob. 18.21PCh. 18 - Prob. 18.22PCh. 18 - Devise a synthesis of each compound from the...Ch. 18 - Problem 18.24 Draw the products of each...Ch. 18 - Problem 18.25 Draw a stepwise mechanism for the...Ch. 18 - Problem 18.26 Draw the products of each...Ch. 18 - Prob. 18.27PCh. 18 - Prob. 18.28PCh. 18 - Problem 18.29 How could you use ethylbenzene to...Ch. 18 - Prob. 18.30PCh. 18 - Problem 18.31 What steps are needed to convert...Ch. 18 - Problem 18.32 Synthesize each compound from...Ch. 18 - Synthesize each compound from benzene.Ch. 18 - Prob. 18.34PCh. 18 - 18.35 What is the major product formed by an...Ch. 18 - Draw the products formed when phenol (C6H5OH) is...Ch. 18 - Prob. 18.37PCh. 18 - Draw the products of each reaction. a. e. i. b. f....Ch. 18 - What products are formed when benzene is treated...Ch. 18 - Draw the products of each reaction. a.d. b.e. c.f.Ch. 18 - You have learned two ways to make an alkyl...Ch. 18 - Prob. 18.42PCh. 18 - Prob. 18.43PCh. 18 - 18.45 Explain why each of the following reactions...Ch. 18 - Prob. 18.45PCh. 18 - 18.47 For each of the following substituted...Ch. 18 - Which benzene ring in each compound is more...Ch. 18 - 18.49 For each N-substituted benzene, predict...Ch. 18 - Explain each statement in detail using resonance...Ch. 18 - Prob. 18.50PCh. 18 - Explain why the meta product is formed in the...Ch. 18 - 18.53 Rank the aryl halides in each group in order...Ch. 18 - Prob. 18.53PCh. 18 - 18.54 Draw a stepwise mechanism for the following...Ch. 18 - Prob. 18.55PCh. 18 - 18.56 Draw a stepwise, detailed mechanism for the...Ch. 18 - Prob. 18.57PCh. 18 - 18.58 Draw a stepwise mechanism for the following...Ch. 18 - Draw a stepwise mechanism for the following...Ch. 18 - Prob. 18.60PCh. 18 - Draw a stepwise mechanism for the following...Ch. 18 - Prob. 18.62PCh. 18 - Prob. 18.63PCh. 18 - Synthesize each compound from benzene and any...Ch. 18 - Synthesize each compound from benzene and any...Ch. 18 - Synthesize each compound from toluene (C6H5CH3)...Ch. 18 - Prob. 18.67PCh. 18 - Use the reactions in this chapter along with those...Ch. 18 - Prob. 18.69PCh. 18 - Prob. 18.70PCh. 18 - Problem 18.69 Identify the structures of isomers A...Ch. 18 - Prob. 18.72PCh. 18 - Problem 18.71 Compound X (molecular formula ) was...Ch. 18 - Prob. 18.74PCh. 18 - The NMR spectrum of phenol () shows three...Ch. 18 - Explain the reactivity and orientation effects...Ch. 18 - Prob. 18.77PCh. 18 - Prob. 18.78PCh. 18 - Prob. 18.79PCh. 18 - Prob. 18.80P
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Explain why methyl ketones give the haloform reaction (OH-, Br2).arrow_forwardAcid-catalyzed bromination of pentan-2-one (CH3COCH2CH2CH3) forms two products: BrCH2COCH2CH2CH3 (A)and CH3COCH(Br)CH2CH3 (B). Explain why the major product is B, with the Br atom on the more substituted side of the carbonyl group.arrow_forward4) Draw the complete electron-pushing arrow mechanism for the following reductions. Explain, using resonance contributors, the regiochemistry that results in each case. ỌMe Na, MeOH ? NH3 CHO Na, MeOH ? NH3arrow_forward
- Given that an E2 reaction proceeds with anti periplanar stereochemistry, draw the products of each elimination. The alkyl halides in (a) and (b) are diastereomers of each other. How are the products of these two reactions related? Recall from Section 3.2A that C6H5 −is a phenyl group, a benzene ring bonded to another group.arrow_forwardDRAW the product of the following reaction? Justify the stereochemistry...arrow_forward. Draw the main product structure from the following Reactions. Include stereochemistry in the product where it is applied.arrow_forward
- Complete the following reactions, clearly indicating regio-and stereochemistry where applicable. In cases, where ortho-and para-products are formed, draw both.arrow_forward. Draw the main product structure from the following Reactions. Include stereochemistry in the product where it is applied.arrow_forwardThe attached reaction does not afford the major product that is given.Explain why this is so, and draw the structure of the major product actually formed.arrow_forward
- Draw an energy diagram for the reaction of (CH3)3CBr + CH3CO2- -> (CH3)3COCOCH3 + Br- including the chemical structures of transition states and intermediate.arrow_forwardIf the -CH3 group is an activator and an ortho-, para- director (directs the position of the incoming substituent to position 2 (ortho) and 4 (para) relative to the -CH3, which is the major product of the reaction? CH3 HNO3 H2S 04 2,4 - dinitrotoluene meta-sulfonitrotoluene para - nitrotoluene ortho - nitrotoluenearrow_forwardDraw the major organic product of the reaction. Indicate the stereochemistry via wedge‑and‑dash bonds, including explicit HH and DD atoms, at the stereogenic center. Omit byproducts such as salts or methanol.arrow_forward
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