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Titanium Alkoxide-Based Regioselective Alkyne–Alkyne Reductive Coupling Mediated by In Situ Generated Arylamidate

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journal contribution
posted on 17.02.2020, 17:07 authored by Bin Cai, James S. Panek
Titanium alkoxide-based alkyne–alkyne reductive coupling mediated by in situ generated arylamidate is described. A high level of regioselectivity is achieved in 37 examples, where (E,E)-dienes are exclusively formed. To the best of our knowledge, this study represents the first example of an apparent amide and carbamate directing effect in metal-mediated reductive coupling.