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. Author manuscript; available in PMC: 2016 Mar 14.
Published in final edited form as: Org Biomol Chem. 2015 Mar 14;13(10):2958–2964. doi: 10.1039/c4ob02284j

Scheme 3.

Scheme 3

Substrate scope of hydrazination reaction. Reaction condition: 2-phenylimidazo[1,2-a]pyridine (1 mmol, 1.0 equiv), DEAD (2 mmol, 2.0 equiv), MeCN (5 mL), 80 °C, 6 h. Yields reported are that of the isolated material.