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Investigations on organoantimony compounds

1973; Elsevier BV; Volume: 51; Linguagem: Inglês

10.1016/s0022-328x(00)93519-8

1872-8561

H. A. MEINEMA, H. F. MARTENS, J. G. NOLTES,

Chemical Synthesis and Analysis

Dialkylstibylsodium compounds have been prepared by cleavage of trialkylstibines with sodium in liquid ammonia. Reactions of the latter with epoxides, N-benzoylethylenimine and β-propiolactone have afforded several new functionally substituted organostibines. The different reactivities towards such cleavage of different alkly groups bound to antimony opens a route to the synthesis of asymmetrically substituted organostibines. Tetraalkyldistibines, which are readily available from the 21 reaction of dialkylstibylsodium compounds with 1,2-dichloroethane, have been found to be suitable starting materials for the synthesis of hitherto inaccessible chlorodialkylstibines and trichlorodialkylantimony compounds.