Journal of the Chemical Society, Dalton Transactions p. 1815 - 1821 (1996)
Update date:2022-09-26
Topics:
Yamamoto, Yasuhiro
Arima, Fumiko
Reactions of [M2(RNC)6]2+ (M = Pd 1 or Pt 3) (R = 2,6-Me2C6H3) with L = tris(2,6-dimethoxyphenyl)phosphirie, bis(2,6-dimethoxyphenyl)phenylphosphine or (2,6-dimethoxyphenyl)diphenylphosphine gave [M2(RNC)4L2]2+ (M = Pd 2 or Pt 4). Reaction of the neutral complex [Pd2Cl2(RNC)4] 5 with P[C6H3(OMe)2]3 gave [Pd2(RNC)4{P[C6H3(OMe) 2]3}2]Cl2 6c. A similar reaction in the presence of NH4PF6 gave 2c {L = P[C6H3(OMe)2]3} and trans-[PdCl(RNC)2{P[C6H3(OMe)2] 3}]+ 7c. Compound 7c was obtained from the secondary reaction of 2c with NH4Cl formed initially. The structure was confirmed by an X-ray analysis. The trinuclear complex [Pt3(RNC)8]2+ reacted with the phosphines to give corresponding [Pt3(RNC)6L2]2+. A similar reaction of [Pd3(RNC)8]2+ with PPh2[C6H3(OMe)2] or PPh[C6H3(OMe)2]2 produced the corresponding [Pd3(RNC)6L2]2+, whereas with P[C6H3(OMe)2]3 cleavage of metal-metal bonds occurred to give only 2c.
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