[1] NANH, [1] NaNH, H-C=C-H A B [2] Br [2] 'CI

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter6: Alkanes & Alkenes
Section: Chapter Questions
Problem 37CTQ: Indicate the relationship between each pair. Choose from: configurational stereoisomers,conformers,...
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Question

Forming an Internal Alkyne by Two Sequential SN2 Reactions

Identify the terminal alkyne A and the internal alkyne B in the following reaction sequence.

[1] NANH,
[1] NaNH,
H-C=C-H
A
B
[2]
Br
[2]
'CI
Transcribed Image Text:[1] NANH, [1] NaNH, H-C=C-H A B [2] Br [2] 'CI
Expert Solution
Step 1

 The SN2 reaction is a kind of reaction in which the rate of the reaction depends upon the two components. In this reaction bond breaking and making takes place simultaneously.

Step 2

H-CC-H+Chemistry homework question answer, step 2, image 1NaNH2Chemistry homework question answer, step 2, image 2+Chemistry homework question answer, step 2, image 3+NaNH2

    (Ethyne)           (Bromopropane)                              (Pentyne)              (Chloroethane)                                                                                                                                                                                             

                                                                                                                                                                                                                                                                                                                         Chemistry homework question answer, step 2, image 4  

                                                                                                                                     (Hept-3-yne)

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