Chandrashekhar N, Thomas B, Gayathri V, Ramanathan KV, Gowda NMN. Synthesis and NMR spectral assignments of novel nitrogen and sulfur heterocyclic compounds.
MAGNETIC RESONANCE IN CHEMISTRY : MRC 2008;
46:769-774. [PMID:
18470862 DOI:
10.1002/mrc.2239]
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Abstract
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.
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