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For questions concerning all aspects of pericyclic reactions, their use in synthesis, and the orbital analyses used to describe them.

12 votes
1 answer
970 views

Exceptions to motif: nucleophile attacks electrophile

I hear this motif - nucleophile attacks electrophile - all the time with regard to organic chemistry. Are there any exceptions? I think this statement is always true in general because it's a restate …
1 vote
0 answers
509 views

What is the mechanism of a 1,2-hydride shift?

What is the mechanism of a 1,2-hydride shift? I read that there is an aromatic intermediate, in that the intermediate obeys Hückel's rule. However, Wikipedia doesn't offer any further explanation. C …