Synthesis and characterization of Mg11, Ca11, Sr11 and Ba11 complexes of 2, 15-dimethyl-3, 16-diethyl/propyl/phenyl-1 ,4, 14,17 -tetraazacyclohexacosa- 1,3,14,16-tetraene

Main Authors: R. N. Prasad, Seema Gupta, Sarita Jangir
Format: Article Journal
Bahasa: eng
Terbitan: , 2011
Subjects:
Online Access: https://zenodo.org/record/5769024
Daftar Isi:
  • Department of Chemistry, University of Rajasthan, Jaipur-302 055, Rajasthan, India E-mail : rnp _1949@yahoo.co.in Manuscript received 02 September 2008, revised 08 September 2010, accepted 15 September 2010 2+2 Cyclocondensation reactions of 1,9-diaminononane with a-diketones viz. 2,3-pentanedione, 2,3-hexanedione or 1-phenyl-1,2-propanedione in the presence of metal ions as templates have afforded hexacoordinated complexes of the general formula [MLX2] (where M = Mg, Ca, Sr or Ba; L = N4 macrocycle having 26-membered ring and X = Cl or NCS). The resulting macrocyclic complexes have been characterized by elemental analyses, conductance measurements and IR and 1H NMR spectra.