The Student Room Group

Mechanism help!

I can't figure this out...
I thought maybe the base would go for the proton on the carbon after the R group (which is a Ph, just couldn't be bothered to draw it) and then cause elimination of Br forming the necessary double bond, but then I'm not sure how to get rid of the carbonyl group?


or.. thinking about it now... would the base take the proton, causing elimination of carbonyl and then er.. stuff happening :frown:
You can get rid of the carbonyl by decarboxylation. The only condition needed is heat.

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