why does in this case a protic solvent and a weak base go through an E2 mechanism?

asked by @estefaniac5 • 11 months ago • Organic Chemistry • 5 pts

 I understand that a) would go to an E1 mechanism since its in a protic solvent and heat
and then there would be a carbon rearrangement which would allow for a major product being a trisubstituted alkene and a minor product being a disubstituted alkene
but why would B) only have one product wouldn't it also proceed through an E1 mechanism?

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1 answer

Hi there! Ethanol here will not affect the reaction however it can be a source of OEt here that's why it is purposely used as solvent. Remember that solvents can help us in doing the reaction in the lab however solvents will not totally dictate the mechanism of the reaction so they are just supplemental detail in experiments and reactions. Hope that clears things up!

answered by @reyn • 11 months ago