Organic Chemistry: Principles and Mechanisms (Second Edition)
2nd Edition
ISBN: 9780393663556
Author: Joel Karty
Publisher: W. W. Norton & Company
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Chapter B, Problem B.36P
Interpretation Introduction
(a)
Interpretation:
The IUPAC name of the given molecule is to be written.
Concept introduction:
Benzene derivatives have one or more substituents attached to the benzene ring. In such compounds, the root name is benzene. The ring is numbered so that the substituents attached to it get the lowest locator numbers. Prefixes and locator numbers are used for writing the number and type of substituents.
Interpretation Introduction
(b)
Interpretation:
The IUPAC name of the given compound is to be written.
Concept introduction:
Benzene derivatives have one or more substituents attached to the benzene ring. In such compounds, the root name is benzene. The ring is numbered so that the substituents attached to it get the lowest locator numbers. Prefixes and locator numbers are used for writing the number and type of substituents.
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Identify the unknown compound from its IR and proton NMR spectra.
C4H6O:
'H NMR: 82.43 (1H, t, J = 2 Hz); 8 3.41 (3H, s); 8 4.10 (2H, d, J = 2 Hz)
IR: 2125, 3300 cm¹
The C4H6O compound liberates a gas when treated with C2H5 MgBr.
Draw the unknown compound.
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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.
Chapter B Solutions
Organic Chemistry: Principles and Mechanisms (Second Edition)
Ch. B - Prob. B.1PCh. B - Prob. B.2PCh. B - Prob. B.3PCh. B - Prob. B.4PCh. B - Prob. B.5PCh. B - Prob. B.6PCh. B - Prob. B.7PCh. B - Prob. B.8PCh. B - Prob. B.9PCh. B - Prob. B.10P
Ch. B - Prob. B.11PCh. B - Prob. B.12PCh. B - Prob. B.13PCh. B - Prob. B.14PCh. B - Prob. B.15PCh. B - Prob. B.16PCh. B - Prob. B.17PCh. B - Prob. B.18PCh. B - Prob. B.19PCh. B - Prob. B.20PCh. B - Prob. B.21PCh. B - Prob. B.22PCh. B - Prob. B.23PCh. B - Prob. B.24PCh. B - Prob. B.25PCh. B - Prob. B.26PCh. B - Prob. B.27PCh. B - Prob. B.28PCh. B - Prob. B.29PCh. B - Prob. B.30PCh. B - Prob. B.31PCh. B - Prob. B.32PCh. B - Prob. B.33PCh. B - Prob. B.34PCh. B - Prob. B.35PCh. B - Prob. B.36PCh. B - Prob. B.37PCh. B - Prob. B.38PCh. B - Prob. B.39PCh. B - Prob. B.40PCh. B - Prob. B.41PCh. B - Prob. B.42PCh. B - Prob. B.43PCh. B - Prob. B.44PCh. B - Prob. B.45P
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