Abstract:
The kinetic (free activation energies) and thermodynamic factors, which ensure mild conditions for the ethynylation of imines with acetylenes, have been established by quantum chemical calculations using B2PLYP/6-311+G**//B3LYP/6-31+G*. According to the calculations, the alternative route of superbase catalyzed C-vinylation requires harsher reaction conditions as compared to the ethynylation one.
Citation:
V. B. Orel, N. M. Vitkovskaya, D. Z. Absalyamov, E. Yu. Schmidt, B. A. Trofimov, “Quantum chemical comparison of ethynylation and C-vinylation routes in superbase catalyzed reaction of acetylenes with imines”, Mendeleev Commun., 29:6 (2019), 622–624
Linking options:
https://www.mathnet.ru/eng/mendc1608
https://www.mathnet.ru/eng/mendc/v29/i6/p622
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