Concomitant polymorphism of an antiferromagnetically coupled dicopper(II,II) complex with single strand helical assembly: Synthesis, structure, DSC, magnetic and heterogeneous catalytic studies

Md Mijanuddin,Atish Dipankar Jana,Michael G.B Drew,Chang Seop Hong,Basab Chattopadhyay,Monika Mukherjee,Mahasweta Nandi,Asim Bhaumik,Madeline Helliwell,Golam Mostafa,Mahammad Ali

doi:10.1016/j.poly.2008.12.047

Concomitant polymorphism of an antiferromagnetically coupled dicopper(II,II) complex with single strand helical assembly: Synthesis, structure, DSC, magnetic and heterogeneous catalytic studies

Md Mijanuddin, Atish Dipankar Jana + Show 9 more

https://doi.org/10.1016/j.poly.2008.12.047

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Journal: Journal of Inorganic and Nuclear Chemistry	Publication Date: Feb 11, 2009
Citations: 16

Affiliation: Jadavpur University, University of Reading, Korea University, Indian Association for the Cultivation of Science, University of Manchester

#Dark Blue #Presence Of TBHP + Show 8 more

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Abstract

Two concomitant polymorphic coordination complexes (dark blue – I and black – II) with the formula (Cu 2C 44H 60N 4O 4) have been synthesized and characterized crystallographically. Magnetic measurements show the presence of a strong antiferromagnetic interaction and the 2 J value corresponds extremely well to the theoretically calculated one, indicating the fact that it follows nicely the magneto-structural relationship. Immobilization of the copper(II) complex 1 on a 2D-hexagonal mesoporous silica showed good catalytic efficiency in the liquid phase partial oxidation of olefins in the presence of TBHP as an oxidant.

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