Re: ORGLIST: Challenge: To find Reaction with most bond forms/cleaves

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From: Herb Hedgecock (h.hedgec$##$morehead-st.edu)
Date: Mon Nov 30 1998 - 10:41:57 EST


On Mon, 30 Nov 1998, Rzepa, Henry wrote:

> Can I set the following challenge?
>
> Over the years, I and my students have studied many types of reactions
> using Quantum chemistry modelling techniques. I was recently asked
> to write a lecture on "transition states", and started to wonder about
> examples of reactions classified by the total number of bonds actually
> formed or broken in what we will presume is a concerted (but not
> necessarily synchronous) transition state.

How about the squalene cyclization to lanosterol? Probably doesn't quite
fit what you're looking for, but it's unique.

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