Posts Tagged ‘σ/π orthogonality’

The first curly arrows. The dénouement.

Monday, July 23rd, 2012
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Recollect, Robinson was trying to explain why the nitroso group appears to be an o/p director of aromatic electrophilic substitution. Using σ/π orthogonality, I suggested that the (first ever) curly arrows as he drew them could not be the complete story, and that a transition state analysis would be needed. Here it is. 

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