The Williamson ether synthesis involves treatment of a haloalkane with a metal alkoxide. Which of the following reactions will proceed to give the indicated ether in highest yield? Reaction pair #1: [(a) CH3 CH3 (a) CI CH;ĊO'K* OCCH3 KCI CH3 CH3 CH3 CH;CI CH, (b) -O'K* OČCH3 KCI ČH3 Reaction pair #2:[(b) (a) -CH2O*K* (CH3)½CHCI CH2-OCH(CH3)2 KCI (b) -CH2CI (CH3)½CHOʻK* -CH2-OCH(CH3)2 KCI

The Williamson ether synthesis involves treatment of a haloalkane with a metal alkoxide. Which of the following reactions will proceed to give the indicated ether in highest yield? Reaction pair #1: [(a) CH3 CH3 (a) CI CH;ĊO'K* OCCH3 KCI CH3 CH3 CH3 CH;CI CH, (b) -O'K* OČCH3 KCI ČH3 Reaction pair #2:[(b) (a) -CH2OK (CH3)½CHCI CH2-OCH(CH3)2 KCI (b) -CH2CI (CH3)½CHOʻK* -CH2-OCH(CH3)2 KCI

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Aromatic Compounds

Aromatic organic compound or aromatic system is an important class of hydrocarbons under the branch of organic chemistry. Aromatic compounds are also called arenas. The definition of aromatic organic compounds can be stated as a class of organic compounds with a planar cyclic ring of atoms bonded through alternated single and double bonds. Due to these alternating bonds, a peculiar feature termed as ‘resonance’, that is, delocalization of pi electrons or the electrons is shared within the atoms of the ring which are present in the aromatic compounds. The word ‘aromatic’ includes a Greek word ‘aroma’ which means smell, indicating that they were named as such due to the sweet odor they produce. Many well-known flavors such as vanilla, cinnamon, and few scents from flowers are extracted from aromatic compounds. Benzene with chemical formula C6H6 is a very common aromatic compound that contains six atoms of carbon held in the cyclic ring of alternate double bonds. It is also to be noted that not all aromatic compounds contain benzene ring. This can be explained by Huckel’s rule.

Question

The Williamson ether synthesis involves treatment of a haloalkane with a metal alkoxide. Which of the following reactions will proceed to give the indicated
ether in highest yield?
Reaction pair #1: [(a)
CH3
CH3
CH3CO'K*
-OČCH3
1.
(a)
-CI
KCI
CH3
ČH3
CH3
CH3
CH3
(b)
OK*
CH;CI
-OČCH3
KCI
+
ČH3
ČH3
Reaction pair #2: (b)
(a)
-CH2O'K*
(CH3)2CHCI
CH2-OCH(CH3)2
KCI
(b)
CH2CI
(CH3)2CHOʻK*
CH2-OCH(CH3)2
KCI
+

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