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. Author manuscript; available in PMC: 2019 Apr 17.
Published in final edited form as: J Org Chem. 2018 Nov 19;83(23):14658–14666. doi: 10.1021/acs.joc.8b02537

Figure 7.

Figure 7.

(a) Plot of differences in the diene distortion energies (ΔΔEd-diene⧧(syn–anti)) against the change in the envelope angle required to achieve the syn and anti transition state geometries ΔΔθenv(syn–anti) (ΔΔEd-diene⧧ = 0.88ΔΔθenv + 1.2, r2 = 0.97). (b) Plot of differences in the diene distortion energies (ΔΔEd-diene⧧(syn–anti)) against the change in the bending of the C5-X bond required to achieve the syn and anti transition state geometries (ΔΔEd-diene⧧ = 0.37ΔΔθC5-X – 1.6, r2 = 0.99).