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. Author manuscript; available in PMC: 2020 Jul 23.
Published in final edited form as: J Am Chem Soc. 2020 May 29;142(23):10516–10525. doi: 10.1021/jacs.0c03589

Figure 3.

Figure 3.

Deuterium labeling studies: a) deuteration α to phthalimide, b) deuteration β to phthalimide, and c) formation of monodeuterated product rules out an E2 elimination.