Polar rearrangements: What is this reaction called? I have been trying to find more information about the given reaction but cannot seem to find it? I want to know the name so I can read up more information on it. Can anyone help?
It is a Wagner–Meerwein rearrangement. Your particular example has the following mechanism:


Edit: Regarding your comment, the best way to see what is happening is to draw the product so that it resembles the reactant (like in the image below) and then in another step draw it in a more reasonable conformation: