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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 9
BKCSDE 31(9)
September 20, 2010 

 
Title
Spectroscopic, Redox and Biological Studies of Push-Pull Porphyrins and Their Metal Complexes
Author
K Rajesh, A Kalilur Rahiman, K Shanmuga Bharathi, S Sreedaran, V Gangadevi, V Narayanan*
Keywords
Push-Pull porphyrins, N-Methylpiperazine, Antibacterial, Cytotoxicity
Abstract
We have synthesized a series of push-pull porphyrins containing both donor and acceptor substituents at the mesopositions and have examined their spectral and biological properties. The push-pull porphyrins containing both strong donor NH2 and acceptor NO2 at meso-positions, in which donor group condensed with the ligand, (2,6-bis(4-methylpiperazine- 1-yl-methyl)-4-formlyphenol (L) to form imine linkages with porphyrin. The Schiff base ligand 5-[4- (2,6-bis(4-methylpiperazine-1-yl-methyl)-4-iminomethylphenol)phenyl]-10,15,20-tris(4-nitrophenyl) porphyrin [an3(TPP)L] can be synthesized from 2,6-bis(4-methylpiperazine-1-yl-methyl)-4-formylphenol (L) and 5-(4-aminophenyl)- 10, 15,20-tris(4-nitrophenyl)porphyrin. The push-pull porphyrin [an3(TPP)L] was metallated to get copper, nickel and zinc complexes. The spectral, electrochemical, antibacterial, antifungal and cytotoxicity properties of all the donor- acceptor push-pull porphyrins and their complexes were characterized and studied.
Page
2656 - 2664
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