Curly ArrowsInteresting ChemistryFree Energy Activation BarrierHistoricalΣ/π OrthogonalityChemical Sciences
Published in Henry Rzepa's Blog
Author Henry Rzepa
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. Let me set the scene on how this might be done.