MeO 22.55 One potential synthesis of the anti-inflammatory and analgesic drug nabumetone is chloromethylation (Problem 22.48) of 2-methoxynaphthalene followed by an acetoacetic ester synthesis (Section 19.6). 5 3 6 CH₂O CI acetoacetic ester synthesis HC 7 MeO MeO 1 8 2-Methoxynaphthalene Nabumetone (a) Account for the regioselectivity of chloromethylation at carbon 6 rather than at carbon 5 or 7. (b) Show steps in the acetoacetic ester synthesis by which the synthesis of nabum- etone is completed.
MeO 22.55 One potential synthesis of the anti-inflammatory and analgesic drug nabumetone is chloromethylation (Problem 22.48) of 2-methoxynaphthalene followed by an acetoacetic ester synthesis (Section 19.6). 5 3 6 CH₂O CI acetoacetic ester synthesis HC 7 MeO MeO 1 8 2-Methoxynaphthalene Nabumetone (a) Account for the regioselectivity of chloromethylation at carbon 6 rather than at carbon 5 or 7. (b) Show steps in the acetoacetic ester synthesis by which the synthesis of nabum- etone is completed.
Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter18: Functional Derivatives Of Carboxylic Acids
Section: Chapter Questions
Problem 18.42P
Related questions
Question
![MeO
22.55 One potential synthesis of the anti-inflammatory and analgesic drug nabumetone
is chloromethylation (Problem 22.48) of 2-methoxynaphthalene followed by an
acetoacetic ester synthesis (Section 19.6).
5
3
6
CH₂O
CI
acetoacetic
ester
synthesis
HC
7
MeO
MeO
1
8
2-Methoxynaphthalene
Nabumetone
(a) Account for the regioselectivity of chloromethylation at carbon 6 rather than at
carbon 5 or 7.
(b) Show steps in the acetoacetic ester synthesis by which the synthesis of nabum-
etone is completed.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fda5b54a8-93d2-4914-9166-50d321932b22%2Fcda58f35-d9f9-4664-a98c-17fa37a24609%2Fwasy0rf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:MeO
22.55 One potential synthesis of the anti-inflammatory and analgesic drug nabumetone
is chloromethylation (Problem 22.48) of 2-methoxynaphthalene followed by an
acetoacetic ester synthesis (Section 19.6).
5
3
6
CH₂O
CI
acetoacetic
ester
synthesis
HC
7
MeO
MeO
1
8
2-Methoxynaphthalene
Nabumetone
(a) Account for the regioselectivity of chloromethylation at carbon 6 rather than at
carbon 5 or 7.
(b) Show steps in the acetoacetic ester synthesis by which the synthesis of nabum-
etone is completed.
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