Trans-TcX4L2 and mer-TcX3L3 (X = Cl, Br; L = PMe2Ph, PEt2Ph, PPh3) were prepd. from NH4TcO4, HX, and L in EtOH and characterized by far-ir and PMR spectra. TcCl3(PMe2Ph)3 refluxed in CCl4 gave TcCl4(PMe2Ph)2 and redn. of the latter with NaBH4 gave the former. Magnetic susceptibility and PMR results for mer-TcCl3(PMe2Ph)3 were compared with those for analogous d4 complexes.
Complexes of technetium(IV) and (III) with tertiary phosphines.
MAZZI, ULDERICO;DEPAOLI, GIOVANNI;DI BERNARDO, PLINIO;
1976
Abstract
Trans-TcX4L2 and mer-TcX3L3 (X = Cl, Br; L = PMe2Ph, PEt2Ph, PPh3) were prepd. from NH4TcO4, HX, and L in EtOH and characterized by far-ir and PMR spectra. TcCl3(PMe2Ph)3 refluxed in CCl4 gave TcCl4(PMe2Ph)2 and redn. of the latter with NaBH4 gave the former. Magnetic susceptibility and PMR results for mer-TcCl3(PMe2Ph)3 were compared with those for analogous d4 complexes.
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