Abstract
A reaction of aminobisphenols EtN{CH2[(4-Alk)(6-But)(2-HO)C6H2]}2, Alk = Me (1); But (2) containing alkyl substituents in the phenol groups with trimethylaluminum and tetra(tert-butoxy)titanium gave two new aluminum derivatives with the Me–Al bond: EtN{CH2[(2-Alk)-(4-But)C6H2(2-O–)]}2Al–Me, Alk = Me (3); But (4), and two new titanium derivatives with the ButO–Ti bond: EtN{CH2[(2-Alk)(4-But)C6H2(2-O–)]}2Ti(O–But)2, Alk = Me (5); But (6). The structures of new compounds were confirmed by NMR spectroscopy and elemental analysis. The structures of complexes 3 and 6 were studied by X-ray crystallography. Complexes 3 and 6 are monomeric in the solid phase: a coordination number of Al atom is 4, that of Ti atom is 5, in addition to the M–O bonds the M←N interactions are also present. Complexes 3–6 were studied as initiators of the ring-opening polymerization of ε-caprolactone. The resulting polymers are characterized by relatively high values of number average molecular weight, with the polydispersity being relatively low.
Similar content being viewed by others
References
O. Dechy-Cabaret, B. Martin-Vaca, D. Bourissou, Chem. Rev., 2004, 104, 6147.
J. Wu, T.-L. Yu, C.-T. Chen, C.-C. Lin, Coord. Chem. Rev., 2006, 250, 602.
K. V. Zaitsev, S. S. Karlov, A. A. Selina, Yu. F. Oprunenko, A. V. Churakov, B. Neumüller, J. A. K. Howard, G. S. Zaitseva, Eur. J. Inorg. Chem., 2006, 1987.
K. V. Zaitsev, M. V. Bermeshev, A. A. Samsonov, Yu. F. Oprunenko, A. V. Churakov, J. A. K. Howard, S. S. Karlov, G. S. Zaitseva, New J. Chem., 2008, 32, 1415.
M. Huang, E. Kh. Lermontova, K. V. Zaitsev, A. V. Churakov, Yu. F. Oprunenko, J. A. K. Howard, S. S. Karlov, G. S. Zaitseva, J. Organomet. Chem., 2009, 694, 3828.
Yu. A. Piskun, I. V. Vasilenko, S. V. Kostjuk, K. V. Zaitsev, G. S. Zaitseva, S. S. Karlov, J. Polym. Sci., Part A: Polym. Chem., 2010, 48, 1230.
M. Huang, M. M. Kireenko, K. V. Zaitsev, Yu. F. Oprunenko, A. V. Churakov, J. A. K. Howard, M. V. Zabalov, E. Kh. Lermontova, J. Sundermeyer, T. Linder, S. S. Karlov, G. S. Zaitseva, J. Organomet. Chem., 2012, 706–707, 66.
M. M. Kireenko, E. A. Kuchuk, K. V. Zaitsev, V. A. Tafeenko, Y. F. Oprunenko, A. V. Churakov, E. Kh. Lermontova, G. S. Zaitseva, S. S. Karlov, Dalton Trans., 2015, 44, 11963.
C.-T. Chen, C.-A. Huang, B.-H. Huang, Macromolecules, 2004, 37, 7968.
A. J. Chmura, M. G. Davidson, M. D. Jones, M. D. Lunn, M. F. Mahon, Dalton Trans., 2006, 887.
A. J. Chmura, M. G. Davidson, M. D. Jones, M. D. Lunn, M. F. Mahon, A. F. Johnson, P. Khunkamchoo, S. L. Roberts, S. S. F. Wong, Macromolecules, 2006, 39, 7250.
C.-T. Chen, C.-A. Huang, B.-H. Huang, Dalton Trans., 2003, 3799.
O. Wichmann, R. Sillanpää, A. Lehtonen, Coord. Chem. Rev., 2012, 256, 371.
L. M. Alcazar-Roman, B. J. O’Keefe, M. A. Hillmyer, W.B. Tolman, Dalton Trans., 2003, 3082.
L.-C. Liang, S.-T. Lin, C.-C. Chien, J. Chin. Chem. Soc., 2013, 60, 710.
E. Y. Tshuva, I. Goldberg, M. Kol, Z. Goldschmidt, Inorg. Chem., 2001, 40, 4263.
L.-C. Liang, S.-T. Lin, C.-C. Chien, Inorg. Chem., 2013, 52, 1780.
K. Phomphrai, P. Chumsaeng, P. Sangtrirutnugul, P. Kongsaeree, M. Pohmakotr, Dalton Trans., 2010, 39, 1865.
Z. Tang, V. C. Gibson, Eur. Polym. J., 2007, 43, 150.
Y. Sarazin, R. H. Howard, D. L. Hughes, S. M. Humphrey, M. Bochmann, Dalton Trans., 2006, 340.
D. Peri, C. M. Manna, M. Shavit, E. Y. Tshuva, Eur. J. Inorg. Chem., 2011, 2011, 4896.
S. Barroso, P. Ado, M. T. Duarte, A. Meetsma, J. C. Pessoa, M. W. Bouwkamp, A. M. Martins, Eur. J. Inorg. Chem., 2011, 4277.
E. Safaei, M. Rasouli, T. Weyhermüller, E. Bill, Inorg. Chim. Acta, 2011, 375, 158.
A. R. Hutchison, A. Mitra, D. A. Atwood, Main Group Chem., 2005, 4, 187.
J. S. Klitzke, T. Roisnel, E. Kirillov, O. L. Casagrande, J.-F. Carpentier, Organometallics, 2014, 33, 5693.
G. M. Sheldrick, Acta Crystallogr., 2008, A64, 112.
G. M. Sheldrick, SADABS, Program for scaling and correction of area detector data, University of Göttingen, Germany, 1997.
Author information
Authors and Affiliations
Corresponding author
Additional information
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 7, pp. 1743–1749, July, 2016.
Rights and permissions
About this article
Cite this article
Kuchuk, E.A., Zaitsev, K.V., Mamedova, F.A. et al. Synthesis, structure, and catalytic activity of new aluminum and titanium complexes based on aminobisphenolate ligands containing bulky substituents. Russ Chem Bull 65, 1743–1749 (2016). https://doi.org/10.1007/s11172-016-1505-x
Received:
Revised:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11172-016-1505-x