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近年来,有关桥联过渡金属配合物的研究十分活跃,其中特别引人注目的是Seyferth研究组在这方面所做的工作。最近Seyferth等发现,Fe_3(CO)_(12)与硫醇或硫酚在三乙胺存在下可生成一类含桥羰基的活泼配合物;而这类活泼配合物于原位进一步同酰氯、有机卤化汞等亲电试剂作用,能方便地制得μ-酰基或μ-σ,π-烯基铁配合物。为了考
In recent years, research on bridging transition metal complexes has been very active. Of particular note is what the Seyferth research group has done in this area. Recently, Seyferth et al. Found that Fe_3 (CO) _ (12) and thiol or thiophenol can form a kind of live bridged carbonyl group-containing complex in the presence of triethylamine. These living complexes are further substituted with acid chloride in situ, Organic mercuric halide and other electrophilic reagents, can be easily obtained μ-acyl or μ-σ, π-alkenyl iron complexes. In order to test