Synthesis and spectral characterization of 1,3-bis-(1 H -benzimidazol-2-yl)-2-oxapropane complexes with various Zn(II) salts

Tavman, Aydın; Çınarli, Adem

doi:10.1016/j.ica.2014.07.036

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Cited by 5 publications

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“…These new compounds may be useful intermediates for the synthesis of organic-metal complexes [29][30][31][32] or for the preparation of lipophilic crown or azathiacrown ethers bearing bis-benzimidazoles 33,34 (SCHEME 3).…”

Section: Resultsmentioning

confidence: 99%

Solvent-Free Synthesis of New Bis(Benzimidazole-2-Alkylthio) Polyethylene Oxides Starting from Dithiols

Akremi¹,

Noubigh²

2017

Orient. J. Chem

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Polyethylene oxide (PEO) could be incorporated in molecular structure by several ways. A series of diacid S-alkylpolyethylene oxides 4a-i have been prepared from dithiols 1a-c through multistep reaction sequence. Novel symmetric bis-benzimidazoles (polyethylene oxide) 6a-i have been synthesized over green route. The condensation of the title compounds 4a-i on o-phenylenediamine 5, via the further deamination reaction and without catalyst, afforded the corresponding bisbenzimidazoles 6a-i in acceptable yields. The new compounds were established on the basis of their elemental analysis, IR, 1 H NMR, 13C NMR and mass spectral data.

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