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June 25, 2012
The Good Ol' Friedel-Crafts
It's not anything to shake the earth, but I'm actually happy to see new variations being discovered for ancient reactions like the Friedel-Crafts. It makes sense that an activated amide could participate in the reaction, but it looks like no one's ever quite explored the idea like this.
And yes, I know that a large Friedel-Crafts can be a pain, what with all that aluminum gunk. The biggest one I ever ran used protic conditions (methanesulfonic acid), so I haven't had the complete experience, but I've still managed to work my way through some gooey aluminum milkshakes. But it's still a useful reaction on the bench scale.
And somehow, I can read a paper like this one and be pleased, while a paper on yet another way to dehydrate an oxime to a nitrile makes me roll my eyes. I'm still trying to work out why that might be - a bit broader scope? More possible utility? Just the fact that this was something that no one had quite thought of, as opposed to another way to take the same starting material to the same product? I should figure out what my boundaries are.
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