Abstract
Abstract The new aqua-soluble rhodium(I) complex trans -[RhCl 2 (PTA)(PTAH)] ( 1 ) {PTAH = N -protonated form of 1,3,5-triaza-7-phosphaadamantane (PTA)} has been synthesized via the reaction of trans -[RhCl(CO)(PTA) 2 ] with aqueous HCl or N -chlorosuccinimide, or by the treatment of RhCl 3 with PTA. Compound 1 has been characterized by IR, 1 H and 31 P{H} NMR spectroscopies, ESI–MS(+), elemental and single crystal X-ray diffraction analyses, the latter showing a square planar {RhCl 2 P 2 } geometry. Besides, the stepwise addition of diluted HCl to an aqueous solution of trans -[RhCl(CO)(PTA) 2 ] has been monitored by 31 P{ 1 H} NMR and ESI–MS(+) techniques, allowing to detect a number of intermediate Rh(I) species.
Published Version
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