G. Mechanisms that Racemize the &Lambda and &Delta Forms of Metal Tris Chelates
1. Non-dissociative Mechanisms: a. The Bailar Twist for GaL3

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A: &Lambda -GaL3

Color code the O atoms consistent with the color scheme for assigning absolute configurations:

Note that the Bailar twist
interconverts the &Lambda and &Delta isomers
Calculated Bailar Transition State
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Viewing Calculated Motions

  3. Compare to A

  4. Compare final point (b) to B

B: &Delta -GaL3

Color code the O atoms consistent with the color scheme for assigning absolute configurations:

For Information on our GaL3 Complex
and our Computational Model