Synthesis and characterization of 2,3,13,14-tetramethyl (ethyl or p-tolyl)- 1,4,12,15-tetraazacyclodocosa-1,3,12,14-tetraene complexes of Mg(II), Ca(II), Sr(II) and Ba(II) | Zendy

R. N. Prasad | Zendy; Seema Gupta | Zendy

Open Access

Synthesis and characterization of 2,3,13,14-tetramethyl (ethyl or p-tolyl)- 1,4,12,15-tetraazacyclodocosa-1,3,12,14-tetraene complexes of Mg(II), Ca(II), Sr(II) and Ba(II)

Author(s) -

R. N. Prasad,

Seema Gupta

Publication year - 2002

Publication title -

journal of the serbian chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.227

H-Index - 45

eISSN - 1820-7421

pISSN - 0352-5139

DOI - 10.2298/jsc0207523p

Subject(s) - chemistry , ring (chemistry) , elemental analysis , medicinal chemistry , conductance , ion , proton nmr , spectral analysis , stereochemistry , inorganic chemistry , organic chemistry , spectroscopy , mathematics , combinatorics , physics , quantum mechanics

2-2 Cyclocondensation of 1,7-diaminoheptane with α-diketones, viz. 2,3-butanedi-one. 3,4-hexanedione or 4,4'-dimethylbenzil, in the presence of Mg 2 + , Ca 2 + , Sr 2 + and Ba 2 - ions as templates yields a series of complexes of the type [ML(X 2 )] (where L = N 4 macrocycle having a 22-membered ring and X = Cl or NCS). The resulting complexes were characterized by elemental analysis, conductance measurements and IR and 1 H-NMR spectral studies.

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