Unusual rearrangement of σ-vinylpalladium complexes into η<sup>2</sup>-olefin complexes. The structure of (η<sup>2</sup>-1-triphenylphosphonium-2-carbomethoxyethylene)(triphenylphosphine)iodopalladate期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Unusual rearrangement of σ-vinylpalladium complexes into η²-olefin complexes. The structure of (η²-1-triphenylphosphonium-2-carbomethoxyethylene)(triphenylphosphine)iodopalladate

Authors:	LV Rybin EA Petrovskaya MI Rubinskaya LG Kuz&#x;mina YuT Struchkov VV Kaverin NYu Koneva

Institution:	Nesmeyanov Institute of Organo -Element Compounds of the Academy of Sciences of the U.S.S.R., Vavilov Str., 28, Moscow 117813 U.S.S.R.

Abstract:	β-Substituted σ-vinylpalladium complexes Pd(σ-CHCHCOOR)(PPh₃)₂(X)] (I) (X = Cl, I; R = Me, Et) have been obtained by interaction of the E- and Z-β-halogen acrylates with tetrakis(triphenylphosphine)palladium. On heating complexes I rearrange into isomeric η²-olefin-ylidepalladium complexes $P$ $dCH(COOR)-C$ HPPh₃(PPh₃)(X)] (II). The structure of these com X-ray study of the compound with X = I, R = Me.

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