A three-step synthesis will yield the compound shown below from 1-propyne. Choose the sequence with the steps in the right order. Please explain why the correct answer is letter C. Include detailed steps and a drawing explaining the mechanism of the reaction. 32. CA three-step synthesis will yeild the compound shown below from1-propyne. Choose the sequence with the steps in the right order.BrBrLindlar'sBr(a)catalystBr2THF(b)Lindlar'scatalystBrHBr(၁)BrLi, EtNH2Br2-78°CTHFBrLi, EtNH2HBr(d)-78°CBrBrBrBr

Answered: Image /qna-images/answer/6f96bd34-6a43-4e7b-8cac-3d188b535d9f.jpg

32. C A three-step synthesis will yeild the compound shown below from 1-propyne. Choose the sequence with the steps in the right order. Br Br Lindlar's Br (a) catalyst Br2 THF (b) Lindlar's catalyst Br HBr (၁) Br Li, EtNH2 Br2 -78°C THF Br Li, EtNH2 HBr (d) -78°C Br Br Br Br

32. C A three-step synthesis will yeild the compound shown below from 1-propyne. Choose the sequence with the steps in the right order. Br Br Lindlar's Br (a) catalyst Br2 THF (b) Lindlar's catalyst Br HBr (၁) Br Li, EtNH2 Br2 -78°C THF Br Li, EtNH2 HBr (d) -78°C Br Br Br Br

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter15: Radical Reactions

Section: Chapter Questions

Problem 12E

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Question

A three-step synthesis will yield the compound shown below from 1-propyne. Choose the sequence with the steps in the right order. Please explain why the correct answer is letter C. Include detailed steps and a drawing explaining the mechanism of the reaction.

32. C
A three-step synthesis will yeild the compound shown below from
1-propyne. Choose the sequence with the steps in the right order.
Br
Br
Lindlar's
Br
(a)
catalyst
Br2
THF
(b)
Lindlar's
catalyst
Br
HBr
(၁)
Br
Li, EtNH2
Br2
-78°C
THF
Br
Li, EtNH2
HBr
(d)
-78°C
Br
Br
Br
Br

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