Abstract
Zusammenfassung Trialkyldifluorophosphoranes, R 3 PF 2 (R = iPr, nBu) were found to react with chlorides or organoelement chlorides, ECl m or ER m-z Cl z (E IV , m = 4, z = 1, 2; E V , m = 3, z = 1, 2) of elements belonging to main groups IV and V with chlorine/fluorine exchange to form the halophosphonium salts [R 3 PX] + Cl − (X = F, Cl) and the fluoro derivatives, EF m or ER m-z F z . With AlCl 3 ionic products of composition [R 3 PCl][AlCl 2 F 2 ] are obtained. The transition metal chlorides, NiCl 2 , PdCl 2 NiCl 2 (PMe 3 ) 2 , and CoCl 2 were found to be less reactive. Chlorine/fluorine exchange has been observed only in the case of CoCl 2 .
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