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Pure Appl. Chem. Vol.
73, No. 2, pp. 295-298 (2001)
Pure and Applied
Vol. 73, Issue
Novel coordination behavior of unsaturated hydrocarbon ligands on
Hideo Kurosawa** and Tetsuro Murahashi
Department of Applied Chemistry, Osaka University,
Suita, Osaka 565-0871, Japan
Abstract: The dinuclear Pd (I) complexes containing substitutionally
labile acetonitrile ligands [Pd2 (CH3CN) 2 (L)
2] (BF4) 2 [L = CH3CN (1) , PPh3
(2) ] were prepared. The complex 1 was demonstrated to serve as a versatile
building block for synthesizing sandwich chain complexes made of conjugated
polyenes and linear polypalladium chains. The complex 2 reacted with
2 equiv arylacetylenes to give dinuclear organopalladium complexes arising
from formal [2s + 2p + 2p] addition with the Pd-Pd s bond participating
as one component. The reaction of 2 with 1,3-butadiene afforded a complex
regarded as an intermediate lying halfway on the [2s + 4p] reaction
* Lecture presented at the XIXth International Conference
on Organometallic Chemistry (XIX ICOMC) , Shanghai, China, 23-28 July
2000. Other presentations are published in this issue, pp. 205-376.
** Corresponding author
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