In the elimination of a vicinal dihalide to yield an internal alkyne, two equivalents of NaNH, are required-one for each equivalent of HX that is eliminated. When the product is a terminal alkyne, however, three equivalents of NANH2 are required. Explain why. Br 2 equiv NaNH, Br Br -Br 1. 3 equiv NaNH2 2. Hао

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter14: Elimination
Section: Chapter Questions
Problem 34E
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In the elimination of a vicinal dihalide to yield an
internal alkyne, two equivalents of NaNH, are
required-one for each equivalent of HX that is
eliminated. When the product is a terminal alkyne,
however, three equivalents of NANH2 are required.
Explain why.
Br
2 equiv NaNH,
Br
Br
-Br
1. 3 equiv NaNH2
2. Hао
Transcribed Image Text:In the elimination of a vicinal dihalide to yield an internal alkyne, two equivalents of NaNH, are required-one for each equivalent of HX that is eliminated. When the product is a terminal alkyne, however, three equivalents of NANH2 are required. Explain why. Br 2 equiv NaNH, Br Br -Br 1. 3 equiv NaNH2 2. Hао
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