NMR Study of the Reaction of Pd2X2(dpm)2 (X=NCO-,CH3CO2-,SCN-,NO2-;dpm=Ph2PCH2PPh2) Complexes with H2S

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (2): 173.

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NMR Study of the Reaction of Pd₂X₂(dpm)₂ (X=NCO^-,CH₃CO₂^-,SCN^-,NO₂^-;dpm=Ph₂PCH₂PPh₂) Complexes with H₂S

WENG Wei-Zheng

Department of Chemistry, Xiamen University, Xiamen, 361005

Received:1993-03-24 Revised:1993-08-30 Online:1994-02-24 Published:1994-02-24

Abstract

Abstract: The reactions of Pd₂X₂(dpm)₂(X=NCO^-,CH₃CO,SCN^- and NO;dpm = Ph₂PCH₂PPh₂)with H₂Sin CD₂Cl₂ or CDCl₃ were studied by NMRat room and low temperature (-78--60 ℃).In the case of X = NCO^- and CH₃CO₂^-, H₂S at first reacted with the anions of the palladium complexes and generated HX and Pd₂(SH)₂(dpm)₂ that was subsequently converted to Pd₂(SH)₂(dpm)₂(μ-S)in the presence of excess amount of H₂S.In the case of X=SCN^- and NO₃^-,the reactions resulted in the formation of a dinuclear palladium complex with a possible structure of[Pd₂(H)(SH)(μ-SH)(dpm)₂]⁺.

Key words: Palladium complex, Bis(diphenylphosphino)methane, Hydrogen sulfide

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WENG Wei-Zheng. NMR Study of the Reaction of Pd₂X₂(dpm)₂ (X=NCO^-,CH₃CO₂^-,SCN^-,NO₂^-;dpm=Ph₂PCH₂PPh₂) Complexes with H₂S[J]. Chem. J. Chinese Universities, 1994, 15(2): 173.

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NMR Study of the Reaction of Pd₂X₂(dpm)₂ (X=NCO^-,CH₃CO₂^-,SCN^-,NO₂^-;dpm=Ph₂PCH₂PPh₂) Complexes with H₂S

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