PKG ORGANIC CHEMISTRY
5th Edition
ISBN: 9781259963667
Author: SMITH
Publisher: MCG
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Chapter 10, Problem 10.17P
Interpretation Introduction
Interpretation: The reaction of
Concept introduction: The reaction of hydrogen halide with
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When 3-methyl-1-butene reacts with HBr, two alkyl halides are formed: 2-bromo-3-methylbutane and 2-bromo-2-methylbutane. Propose a mechanism that explains the formation of these two products.
Treating cyclohexene with HBr in the presence of acetic acid gives bromocyclohexane
(85%) and cyclohexyl acetate (15%).
Br
OCCH
CH,COH
+ HBr
Bromocyclohexane Cyclohexyl acetate
(15%)
Cyclohexene
(85%)
Propose a mechanism for the formation of the latter product.
Reaction of hbr with 2-methylpropene yields 2 bromo 2 methylpropane. What is the structure of the carbocation formed during the reaction? Show the mechanism of reaction.
Chapter 10 Solutions
PKG ORGANIC CHEMISTRY
Ch. 10 - Prob. 10.1PCh. 10 - Problem 10.2 How many degrees of unsaturation are...Ch. 10 -
Problem 10.3 How many degrees of unsaturation...Ch. 10 - Give the IUPAC name for each alkene. abcdeCh. 10 - Give the IUPAC name for each polyfunctional...Ch. 10 - Problem 10.6 Label each C-C double bond as E or Z....Ch. 10 - Prob. 10.7PCh. 10 - Prob. 10.8PCh. 10 - Prob. 10.9PCh. 10 - Problem 10.10 Rank the following isomers in order...
Ch. 10 - Linolenic acidTable 10.2 and stearidonic acid are...Ch. 10 - Prob. 10.12PCh. 10 - Problem 10.13 What product is formed when each...Ch. 10 - Prob. 10.14PCh. 10 - Problem 10.15 Draw the products formed when each...Ch. 10 - Prob. 10.16PCh. 10 - Prob. 10.17PCh. 10 - Addition of HBr to which of the following alkenes...Ch. 10 - Problem 10.19 Draw the products, including...Ch. 10 - Prob. 10.20PCh. 10 - Problem 10.21 What two alkenes give rise to each...Ch. 10 - Prob. 10.22PCh. 10 - Problem 10.23 Draw the products of each reaction,...Ch. 10 - Problem 10.24 Draw all stereoisomers formed in...Ch. 10 - Prob. 10.25PCh. 10 - Problem 10.26 What alkylborane is formed from...Ch. 10 - Draw the products formed when each alkene is...Ch. 10 - What alkene can be used to prepare each alcohol as...Ch. 10 - Prob. 10.29PCh. 10 - Draw the products of each reaction using the two...Ch. 10 - Problem 10.31 Devise a synthesis of each compound...Ch. 10 - Give the IUPAC name for each compound. a.b.Ch. 10 - a Label the carbon-carbon double bond in A as E or...Ch. 10 - Prob. 10.34PCh. 10 - 10.35 Calculate the number of degrees of...Ch. 10 - Prob. 10.36PCh. 10 - Label the alkene in each drug as E or Z....Ch. 10 - Give the IUPAC name for each compound. a. c. e. b....Ch. 10 - Prob. 10.39PCh. 10 - 10.40 (a) Draw all possible stereoisomers of, and...Ch. 10 - Prob. 10.41PCh. 10 - 10.42 Now that you have learned how to name...Ch. 10 - Prob. 10.43PCh. 10 - Prob. 10.44PCh. 10 - Prob. 10.45PCh. 10 - Draw the products formed when (CH3)2C=CH2 is...Ch. 10 - What alkene can be used to prepare each alkyl...Ch. 10 - Prob. 10.48PCh. 10 - Draw the constitutional isomer formed in each...Ch. 10 - Prob. 10.50PCh. 10 - Draw all stereoisomers formed in each reaction. a....Ch. 10 - Draw the products of each reaction, including...Ch. 10 - Prob. 10.53PCh. 10 - Prob. 10.54PCh. 10 - Prob. 10.55PCh. 10 - 10.56 Draw a stepwise mechanism for the following...Ch. 10 - Prob. 10.57PCh. 10 - Draw a stepwise mechanism for the conversion of...Ch. 10 - Draw a stepwise mechanism that shows how all three...Ch. 10 - Less stable alkenes can be isomerized to more...Ch. 10 - Prob. 10.61PCh. 10 - Prob. 10.62PCh. 10 - Bromoetherification, the addition of the elements...Ch. 10 - Devise a synthesis of each product from the given...Ch. 10 - 10.65 Draw a synthesis of each compound from...Ch. 10 - 10.66 Explain why A is a stable compound but B is...Ch. 10 - Prob. 10.67PCh. 10 - Prob. 10.68PCh. 10 - 10.69 Lactones, cyclic esters such as compound A,...Ch. 10 - 10.70 Draw a stepwise mechanism for the following...Ch. 10 - 10.71 Like other electrophiles, carbocations add...Ch. 10 - 10.72 Draw a stepwise mechanism for the...
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- Acid-catalyzed dehydration of 3-methyl-2-butanol gives three alkenes: 2-methyl-2- butene, 3-methyl-1-butene, and 2-methyl-1-butene. Propose a mechanism to account for the formation of each productarrow_forwardAcid-catalyzed dehydration of 3-methyl-2-pentanol gives three alkenes: 3-methyl-1-pentene, 3-methyl-2-pentene, and 3-methylenepentane. Draw the structure of the carbocation intermediate leading to the formation of 3-methyl-2-pentene.arrow_forwardWhen 1-chlorocyclohexene reacts with HBr, the major product is 1-bromo- 1-chlorocyclohexane. Propose a mechanism for this reaction, and explain why your proposed intermediate is more stable than the other possible intermediate.arrow_forward
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- Give a step-by-step mechanism for the following substitution reactions:arrow_forward$ 2,6-Di-tert-butyl-4-methylphenol, alternatively known as butylated hydroxytoluene (BHT), is used as an antioxidant in foods to"retard spoilage" ( synthesized industrially from 4-methylphenol by reaction with 2-methylpropene in the presence of phosphoric acid. Propose a mechanism for this reaction. ВНT is OH OH H&PO, 4-Methylphenol 2-Methylpropene (p-Cresol) 2,6-Di-tert-butyl-4-methylphenol "Butylated hydroxytoluene" (BHT)arrow_forward1,4-Dioxane is made commercially by the acid-catalyzed condensation of an alcohol. Propose a mechanism for this reaction.arrow_forward
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