Journal of the American Chemical Society p. 14570 - 14573 (2016)
Update date:2022-08-03
Topics:
Davis-Gilbert, Zachary W.
Yao, Letitia J.
Tonks, Ian A.
The inter- or intramolecular oxidative carboamination of alkynes catalyzed by [py2TiCl2NPh]2 is reported. These multicomponent reactions couple alkenes, alkynes and diazenes to form either α,β-unsaturated imines or α-(iminomethyl)cyclopropanes via a TiII/TiIV redox cycle. Each of these products is formed from a common azatitanacyclohexene intermediate that undergoes either β-H elimination or α,γ-coupling, wherein the selectivity is under substrate control.
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