Iron-catalyzed [2π+ 2π] cycloaddition of α, ω-dienes: the importance of redox-active supporting ligands

…, AC Bowman, E Lobkovsky, PJ Chirik

文献索引：Bouwkamp, Marco W.; Bowman, Amanda C.; Lobkovsky, Emil; Chirik, Paul J. Journal of the American Chemical Society, 2006 , vol. 128, # 41 p. 13340 - 13341

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被引用次数: 188

摘要

The bis (imino) pyridine iron bis (dinitrogen) complex,(i PrPDI) Fe (N2) 2 (i PrPDI= 2, 6-(2, 6-i Pr2C6H3NCR) 2C5H3N), serves as an efficient precursor for the catalytic [2π+ 2π] cycloaddition of α, ω-dienes to yield the corresponding bicycles. For amine substrates, the rate of catalytic turnover increases with the size of the nitrogen substituents, demonstrating competing heterocycle coordination and product inhibition. In one case, a bis (imino) ...