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Salen-type nickel(II), palladium(II) and copper(II) complexes having chiral and racemic camphoric diamine components by Ying Fan; Wei You; Wei Huang; Jian-Lan Liu; Yang-Nian Wang is a Chemistry article available to read on EtoBox.

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Chiral and racemic Salen-type Schiff-base ligands (H 2 L 1 , H 2 L 2 and H 2 L 3 ), condensed between D-(+)-and D,L-camphoric diamine (also known as (1R,3S)-1,2,2-trimethylcyclopentane-1,3-diamine) and 2hydroxybenzaldehyde or 3,5-dibromo-2-hydroxybenzaldehyde with a 1:2 molar ratio, have been synthesized and characterized. A series of new nickel(II), palladium(II) and copper(II) complexes of these chiral and racemic ligands exhibiting different coordination number (4, 5 and 6) have been characterized with the formulae 7) and [NiL 3 (DMF)(H 2 O)] ( 8). Different solvent molecules in 3 and 4 (methanol and water molecules) as well as different apical ligands in 7 and 8 (water and DMF molecules) are involved in different O-HÁÁÁO hydrogen bonding interactions to further stabilize the structures. UV-Vis (UV-Vis), circular dichroism (CD) spectra and thermogravimetric (TG) analyses for the metal complexes have also been carried out.

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Author

Ying Fan; Wei You; Wei Huang; Jian-Lan Liu; Yang-Nian Wang

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0277-5387)

Published

2010

Language

EN

Field

Chemistry (Physical Sciences)