Issue 0, 1968

Propyl- and t-butyl-beryllium complexes

Abstract

Ether-free beryllium dialkyls, R2Be (R = Et, Prn, Bun, Bui), can be obtained by prolonged boiling of the ether complexes under reflux at low pressure. All the above ether-free dialkyls are dimeric in benzene solution. The temperature-dependence of the 1H n.m.r. Spectra of some of them is described. The halides ButBeX, OEt2(X = Cl, Br) are dimeric in benzene, and the chloride is monomeric in diethyl ether. 1 : 1 Complexes between di-t-butylberyllium and MMe3(M = N, P) are described. The 1H n.m.r. spectrum of the 1 : 1 complex of tetramethylethylenediamine with Pri2 Be does not change with temperature, in contrast to that of the But2Be complex. The complexes ButBeOC2H4NMe2, PrnBeNMeC2H4NMe2, PriBeNMeC2H4NMe2, and ButBeSC2H4NMe2 are dimeric in benzene solution, as is MeZnSC2H4NMe2.

Article information

Article type
Paper

J. Chem. Soc. A, 1968, 2651-2655

Propyl- and t-butyl-beryllium complexes

G. E. Coates and P. D. Roberts, J. Chem. Soc. A, 1968, 2651 DOI: 10.1039/J19680002651

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