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Synthesis and NMR spectral assignments of novel nitrogen and sulfur heterocyclic compounds
Author(s) -
Chandrashekhar N.,
Thomas Bejoy,
Gayathri V.,
Ramanathan K. V.,
Gowda N. M. Nanje
Publication year - 2008
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.2239
Subject(s) - chemistry , benzene , tris , sulfur , denticity , proton nmr , carbon 13 nmr , stereochemistry , medicinal chemistry , organic chemistry , metal , biochemistry
Synthesis and NMR spectral studies of multidentate N and S heterocycles, 1,3,5‐tris( N ‐methylbenzimidazolyl)benzene, 1,3,5‐tris(benzimidazolyl)benzene,1,3,5‐tris(benzothiazolyl) benzene, 2,2′‐bipyridine 3,3′‐bis(benzothiazolyl)benzene and 1,2,4,5‐tetrakis(benzothiazolyl) benzene have been carried out. 2D 1 H 1 H PFG‐COSY as well as 1 H 13 C single and multiple bond correlated (2D GRASP‐HSQC and GRASP‐HMBC) experiments have been employed to characterize the compounds. 1D NOE experiments have been useful in understanding the structure of 1,3,5‐tris( N ‐methylenzimidazolyl)benzene. Copyright © 2008 John Wiley & Sons, Ltd.