H OH HO H Br A NaH [vahva emäs, deprotonoi OH- ryhmän] B

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter25: Biomolecules: Carbohydrates
Section25.SE: Something Extra
Problem 28VC
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Below is a convenient way to form product B from starting material A. The reaction starts when compound A treated with sodium hydride, which is a strong base and removes the proton from the OH group. Draw an arc-arrow mechanism that explains the formation of product B. The reaction takes place in several stage. Draw visible all relevant arc arrows, free electron pairs and formal charges.

H
OH
HO
H
Br
A
NaH
[vahva emäs,
deprotonoi OH-
ryhmän]
B
Transcribed Image Text:H OH HO H Br A NaH [vahva emäs, deprotonoi OH- ryhmän] B
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