Organic Chemistry (6th Edition)
6th Edition
ISBN: 9781260119107
Author: Janice Gorzynski Smith
Publisher: McGraw Hill Education
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Textbook Question
Chapter 8, Problem 59P
Draw a stepwise, detailed mechanism for the following reaction.
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Please help with number 6 I got a negative number could that be right?
1,4-Dimethyl-1,3-cyclohexadiene can undergo 1,2- or 1,4-addition with hydrogen halides. (a) 1,2-Addition i. Draw the carbocation intermediate(s) formed during the 1,2-addition of hydrobromic acid to 1,4-dimethyl-1,3-cyclohexadiene. ii. What is the major 1,2-addition product formed during the reaction in (i)? (b) 1,4-Addition i. Draw the carbocation intermediate(s) formed during the 1,4-addition of hydrobromic acid to 1,4-dimethyl-1,3-cyclohexadiene. ii. What is the major 1,4-addition product formed from the reaction in (i)? (c) What is the kinetic product from the reaction of one mole of hydrobromic acid with 1,4-dimethyl-1,3-cyclohexadiene? Explain your reasoning. (d) What is the thermodynamic product from the reaction of one mole of hydrobro-mic acid with 1,4-dimethyl-1,3-cyclohexadiene? Explain your reasoning. (e) What major product will result when 1,4-dimethyl-1,3-cyclohexadiene is treated with one mole of hydrobromic acid at - 78 deg * C ? Explain your reasoning.
Give the product of the bimolecular elimination from each of the isomeric halogenated compounds.
Reaction A
Reaction B.
КОВ
CH₂
HotBu
+B+
ко
HOIBU
+Br+
Templates More
QQQ
Select Cv Templates More
Cras
QQQ
One of these compounds undergoes elimination 50x faster than the other. Which one and why?
Reaction A because the conformation needed for elimination places the phenyl groups and to each other
Reaction A because the conformation needed for elimination places the phenyl groups gauche to each other.
◇ Reaction B because the conformation needed for elimination places the phenyl groups gach to each other.
Reaction B because the conformation needed for elimination places the phenyl groups anti to each other.
Chapter 8 Solutions
Organic Chemistry (6th Edition)
Ch. 8.1 - Problem 8.1 Label the and carbons in each alkyl...Ch. 8.2 - Problem 8.2 Classify each alkene in the following...Ch. 8.2 - Prob. 3PCh. 8.2 - Prob. 4PCh. 8.2 - Problem 8.5 Label each pair of alkenes as...Ch. 8.2 - Problem 8.6 Which alkene in each pair is more...Ch. 8.2 - Problem 8.7 Several factors can affect alkene...Ch. 8.4 - Prob. 8PCh. 8.4 - Prob. 9PCh. 8.4 - Prob. 10P
Ch. 8.4 - Prob. 11PCh. 8.5 - Problem 8.12 What alkenes are formed from each...Ch. 8.6 - Prob. 13PCh. 8.6 - Problem 8.14 What alkenes are formed from each...Ch. 8.6 - Problem 8.15 How does each of the following...Ch. 8 - 8.24 Rank the alkenes shown in the ball-and-stick...Ch. 8 - Prob. 25PCh. 8 - 8.26 What is the major E2 elimination product...Ch. 8 - Prob. 27PCh. 8 - Prob. 28PCh. 8 - Prob. 29PCh. 8 - 8.30 Label each pair of alkenes as constitutional...Ch. 8 - Prob. 31PCh. 8 - Prob. 32PCh. 8 - Prob. 33PCh. 8 - For each of the following alkenes, draw the...Ch. 8 - Prob. 35PCh. 8 - Prob. 36PCh. 8 - Prob. 37PCh. 8 - What alkene is the major product formed from each...Ch. 8 - Prob. 39PCh. 8 - Prob. 41PCh. 8 - Draw the products formed when each dihalide is...Ch. 8 - Draw all of the substitution and elimination...Ch. 8 - Prob. 56PCh. 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. 63PCh. 8 - 8.65 Explain the selectivity observed in the...Ch. 8 - Prob. 65PCh. 8 - Prob. 66PCh. 8 - 8.68 (a) Draw all products formed by treatment of...
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