00:01
Conditions for the one two sigma tropic rearrangement of the carbonation.
00:07
We'll start with the first part, which is probably one of the more important, which is proper orbital alignment.
00:25
Proper orbital alignment is going to be cyclic transition state, excuse me.
00:31
And the part that makes the proper orbital alignment work is one part of it, would be the orbital overlap.
00:50
So the mitigating group has to be positioned so that the orbital can overlap continuously with the empty p orbital at the carbonation center.
01:01
And we have to have this alignment to form the cyclic transition state.
01:07
And so the second type would be the orbital symmetry conservation of orbital symmetry.
01:25
So the cyclic arrangement is allowed only if the phases of the interacting orbitals are matched.
01:32
And the process is typically allowed for the one -two shift.
01:36
It's usually allowed when it occurs superficially.
01:40
So when the group moves on the same face of the bonding orbital through the reaction.
01:48
So proper orbital alignment is one of the first things...