Skip to main content
. Author manuscript; available in PMC: 2019 Jun 18.
Published in final edited form as: Chem Soc Rev. 2018 Jun 18;47(12):4510–4544. doi: 10.1039/c8cs00027a

Figure 10.

Figure 10

Computed 2,2-Cycloaddition and cycloreversion transition state structures for minimum energy side-bound and bottom-bound mechanisms (Left). Relevant orbital interactions depicting d orbital backdonation into π* of NHC and alkylidene moieties (Right).