A suzuki reaction using 4-methyl-phenyl boronic acid and 4nitrobromobenzene was ran and then purified using simple column chromatography. Boronic acid was used in excess. Why would that make the column ran much faster than if bromo compound was used instead?

A suzuki reaction using 4-methyl-phenyl boronic acid and 4nitrobromobenzene was ran and then purified using simple column chromatography. Boronic acid was used in excess. Why would that make the column ran much faster than if bromo compound was used instead?

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter43: Nitration Of Methyl Benzoate

Section: Chapter Questions

Problem 3Q

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Question

A suzuki reaction using 4-methyl-phenyl boronic acid and 4nitrobromobenzene was ran and then purified using simple column chromatography.
Boronic acid was used in excess. Why would that make the column ran much faster than if bromo compound was used instead?

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