[chiddler]

Hello fellow chemists and, like myself, chemist wannabes. I would really like assistance understanding pericyclic reactions.

My professor told us a rhyme..."when heat is on, 4e is con". I do not understand how to apply con/disrotary rotations to a reaction. Fodder to exemplify this can be one of my homework questions:

How should the orbitals be drawn in HOMO and LUMO? I would really appreciate an answer to this first along with any information you have patience enough to include that may help me.

Thanks very much!

[Dan]

I highly recommend you get these out of the library:

Frontier orbitals and organic chemical reactions - Ian Fleming
Pericyclic reactions (Oxford chemistry primer) - Ian Fleming

[chiddler]

Thanks I found it in the catalog; I will take a look at it.