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Journal Articles Journal of Catalysis Year : 2017

Mono-N-methylation of anilines with methanol catalyzed by a manganese pincer-complex

Abstract

The selective mono-N-methylation of anilines derivs. was achieved under mild conditions using inexpensive methanol as C1 source. Under hydrogen borrowing conditions, using a tridentate PN3P manganese pre-catalyst (5 mol%), a catalytic amt. of base (20 mol%), for 24 h at 120 °C, a large variety of anilines derivs. was methylated in good to excellent yield. Mechanistic investigations allowed us to isolate and characterize by X-ray diffraction studies a de-aromatized manganese intermediate.
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hal-01475818 , version 1 (24-02-2017)

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Antoine Bruneau-Voisine, Ding Wang, Vincent Dorcet, Thierry Roisnel, Christophe Darcel, et al.. Mono-N-methylation of anilines with methanol catalyzed by a manganese pincer-complex. Journal of Catalysis, 2017, 347, pp.57-62. ⟨10.1016/j.jcat.2017.01.004⟩. ⟨hal-01475818⟩
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