Synthesis and spectral characterization of Nin, Cull and znii complexes of trioxadiazamacrocycles derived from 1, 13-diamino-4, 7,1 0-trioxatridecane and benzil or 4,4' -dimethylbenzil

Department of Chemistry, University of Rajasthan, Jaipur-302 055, Rajasthan, India
E-mail: rnp_l949@yahoo.co.in
Manuscript received 10 June 2010, revised 14 January 2011, accepted 02 February 2011

1+1 Cyclocondensation of a-diketones such as benzil, 4,4' -dimethylbenzil with I ,13-diamino-4, 7,10- trioxatridecane in the presence of Ni^II , Cu^II and zn^II as templates has yielded complexes of the type [NiLCI]CI, [CuL(NO₃)](NO₃) and [ZnLCI₂) (where L = 17-membered N₂O₃ macrocycle). These complexes have been characterized by elemental analyses, molar conductances, FAB mass, IR, electronic and ¹H NMR spectra.