Ethylene Oligomerization by Tridentate Cobalt Complexes Bearing Pendant Donor Modified α-Diimine Ligands

Bijal Kottukkal Bahuleyan; In Yong Ahn; Vinukrishnan Appukuttan; So Hyun Lee; Chang-Sik Ha; Il Kim; Hongsuk Suh

Macromolecular Research, Vol.18, No.7, 701-704, July, 2010

DOI10.1007/s13233-010-0710-y Export Citation

Ethylene Oligomerization by Tridentate Cobalt Complexes Bearing Pendant Donor Modified α-Diimine Ligands

Bijal Kottukkal Bahuleyan, In Yong Ahn, Vinukrishnan Appukuttan, So Hyun Lee, Chang-Sik Ha , Il Kim^†, and Hongsuk Suh¹

The WCU Center for Synthetic Polymer Bioconjugate Hybrid Materials, Department of Polymer Science and Engineering, Pusan National University, Busan, 609 735, Korea
¹Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan, 609-735, Korea

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A series of tridentate cobalt complexes of the general formula [RN(CH2)2N]=An=[N(2,6-C6H3iPr)] (R=Me, Et, iPr; An=acenaphthenequinone) have been synthesized. All complexes were active towards ethylene oligomerization, showing activities exceeding 10^(4) g-oligomer/mol-Co·h·bar in the presence of a methylaluminoxane co-catalyst. 1-Butene and trans-2-hexene were the major oligomer fractions obtained.

Keywords:catalysis;ethylene oligomerization;transition metal chemistry

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[Related Articles]

[1] Skupinska J, Chem. Rev., 91, 613 (1991)

[2] Ittel SD, Johnson LK, Brookhart M, Chem. Rev., 100(4), 1169 (2000)

[3] Gibson VC, Spitzmesser SK, Chem. Rev., 103(1), 283 (2003)

[4] Schmiege BM, Carney MJ, Small BL, J. Chem. Soc.-Dalton Trans., 2547 (2007)

[5] Small BL, Rios R, Fernandez ER, Carney MJ, Organometallics, 26, 1744 (2007)

[6] Bahuleyan BK, Son GW, Park DW, Ha CS, Kim I, J. Polym. Sci. A: Polym. Chem., 46(3), 1066 (2008)

[7] Bahuleyan BK, Lee U, Ha CS, Kim I, Appl. Catal. A: Gen., 351(1), 36 (2008)

[8] Xiao L, Gao R, Zhang M, Li Y, Cao X, Sun WH, Organometallics, 28, 2225 (2009)

[9] Britovsek GJP, Mastroianni S, Solan GA, Baugh SPD, Redshaw C, Gibson VC, White AJP, Williams DJ, Elsegood MRJ, Chem. Eur. J., 6, 2221 (2000)