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Where does Friedel Crafts Alkylation and Acylation occur in Napthalene? Are the reactions kinetic-thermodynamic controlled?

Here's something I came across -

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While alkylation occurs at alpha position, acylation occurs at beta position. Why is it so? Are the other possible minor products also formed? Does kinetic-thermodynamic control operate here?

Although I'm worried about Friedel Crafts Alkylation and Acylation reactions at the moment, my question isn't specific to them. In general, given an electrophile for EAS with Napthalene, how do we decide which product is major? (The one formed by attack at alpha, or beta position?)

References would be of great help too.

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