Reactivity of β-Diketiminatozinc Hydride toward Lewis Bases, Heterocumulenes and Cyclohexene Oxide

Bendt, Georg GND; Schulz, Stephan GND; Spielmann, Jan GND; Schmidt, Sarah GND; Bläser, Dieter; Wölper, Christoph GND

The reaction of LZnH (1) {L = Mesnacnac = [(2,4,6‐Me3C6H2)NC(Me)]2CH} with 4‐(dimethylamino)pyridine (dmap) yielded the Lewis acid–base adduct LZn(H)dmap (2), whereas LZn(Cl)dmap (3) was obtained from the equimolar reaction of LZnCl with dmap. In addition, reactions of 1 with di‐tert‐butylcarbodiimide [C(NtBu)2] and tert‐butyl thioisocyanate (tBuNCS) proceeded with insertion of the heterocumulene into the Zn–H bond and formation of [LZn(tBuNC(H)NtBu)] (4) and [LZn(tBuNC(H)S)] (5), whereas 1 reacted with Me3SiN3 with the elimination of Me3SiH and formation of [LZnN3]2 (6). Moreover, the reaction of 1 with cyclohexene oxide (CHO) occurred with ring opening and formation of [LZnOCy]2 (7) (Cy = cyclohexyl). Complexes 27 were characterized by multinuclear NMR (1H, 13C) and IR spectroscopy, elemental analyses and by single‐crystal X‐ray diffraction (2, 3, 6, 7).

Dedicated to Prof. Dieter Fenske on the occasion of his 70th birthday.

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Bendt, G., Schulz, S., Spielmann, J., Schmidt, S., Bläser, D., Wölper, C., 2020. Reactivity of β-Diketiminatozinc Hydride toward Lewis Bases, Heterocumulenes and Cyclohexene Oxide. https://doi.org/10.1002/ejic.201200378
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