Promoting Effect of AlCl3 on the Fe-catalyzed Dimerization of Bicyclo[2.2.1]hepta-2,5-diene 


Vol. 29,  No. 7, pp. 1364-1368, Jul.  2008
10.5012/bkcs.2008.29.7.1364


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  Abstract

The activity of the catalytic system composed of Fe(acetylacetonate3 (Fe(acac3), triphenylphosphine, and diethylaluminum chloride for the dimerization of bicyclo[2.2.1]hepta-2,5-diene (2,5-norbornadiene, NBD) to produce hexacyclic endo-endo dimer (hexacyclo[7.2.1.02,8.13,7.15,13.04,6]tetradec-10-ene, nn) was significantly enhanced by the presence of AlC3, especially at the molar ratios of NBD/Fe(acac3 of 500. XPS analysis of the catalytic systems clearly demonstrates that AlC3 facilitates the reduction of Fe(acac3 to form active species, Fe(II) and Fe(0) species. The layer separation was observed when [BMIm]Cl was used along with AlC3, but catalyst recycle was not very successful.

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  Cite this article

[IEEE Style]

M. D. Nguyen, L. V. Nguyen, J. S. Lee, J. S. Han, B. H. Jeong, M. Cheong, H. S. Kim, H. Kang, "Promoting Effect of AlCl3 on the Fe-catalyzed Dimerization of Bicyclo[2.2.1]hepta-2,5-diene," Bulletin of the Korean Chemical Society, vol. 29, no. 7, pp. 1364-1368, 2008. DOI: 10.5012/bkcs.2008.29.7.1364.

[ACM Style]

Mai Dao Nguyen, Ly Vinh Nguyen, Je Seung Lee, Jeong Sik Han, Byung Hun Jeong, Minserk Cheong, Hoon Sik Kim, and Ho-Jung Kang. 2008. Promoting Effect of AlCl3 on the Fe-catalyzed Dimerization of Bicyclo[2.2.1]hepta-2,5-diene. Bulletin of the Korean Chemical Society, 29, 7, (2008), 1364-1368. DOI: 10.5012/bkcs.2008.29.7.1364.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949