Interaction of Multiple Bonds with NacNacGa: Oxidative Cleavage vs Coupling and Cyclization.
作者信息
Kassymbek Aishabibi, Britten James F, Spasyuk Denis, Gabidullin Bulat, Nikonov Georgii I
机构信息
Department of Chemistry , Brock University , 1812 Sir Isaac Brock Way , St. Catharines , Ontario L2S 3A1 , Canada.
Department of Chemistry , McMaster University , Hamilton, Ontario, 1280 Main Street West , Hamilton , Ontario L8S 4M1 , Canada.
出版信息
Inorg Chem. 2019 Jul 1;58(13):8665-8672. doi: 10.1021/acs.inorgchem.9b01005. Epub 2019 Jun 13.
The reactivity of the gallium(I) compound NacNacGa (4) to a variety of unsaturated compounds has been studied. Whereas 4 proved surprisingly unreactive toward olefins, ketones, guanidines, and thioureas, it reacts with isocyanates and carbodiimides to furnish the products of coupling of two heterocumulenes. With isothiocyanate, the C═S cleavage occurs, leading to the dimer (NacNacGa)(μ-S)(μ-CNPh) and the cyclization product NacNacGa(SC═NPh). These compounds were characterized by multinuclear NMR spectroscopy and X-ray crystal structure analyses. Oxidative addition of S═PPh occurs at elevated temperatures and results in the known dimer [NacNacGa(μ-S)].
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