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. Author manuscript; available in PMC: 2010 Feb 11.
Published in final edited form as: J Am Chem Soc. 2009 Feb 11;131(5):1947–1957. doi: 10.1021/ja8079548

Figure 5.

Figure 5

Side View of A2 Dienophile Fragment in (a) the Endo 2c+A2 TS, and (b) the Exo 2c+A2 TS. (c) Overlay of A2 Dienophile Fragments in TSs of 2c+A2 (Green: Endo, Other-Colored Atoms: exo).