An isolable magnesium diphosphaethynolate complex

Gilliard Jr., Robert J., Heift, Dominikus, Benko, Zoltán, Keiser, Jerod M., Rheingold, Arnold L., Grutzmacher, Hansjörg and Protasiewicz, John D. (2018) An isolable magnesium diphosphaethynolate complex. Dalton Transactions, 47(3), pp. 666-669. ISSN (print) 1477-9226


The reaction of magnesium chloride with two equivalents of sodium phosphaethynolate, NaOCP?(dioxane)2.5 (1), yields a magnesium diphosphaethynolate complex, (THF)4Mg(OCP)2 (3). The formation of compound 3 goes through a monosubstituted chloromagnesium phosphaethynolate Mg(OCP)Cl (2). The structure of 3 was determined via a single crystal X-ray diffraction study. For comparison, we also report the structure of a monomeric sodium phosphaethynolate complex, Na(OCP)(dibenzo-18-crown-6) (4).

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