Benzazole derivatives. IV. Reaction of 1,2,3-trimethylbenzimidazolium salts with aromatic aldehydes

1,2,3-Trimethylbenzimidazolium iodide and its analogue salts with one or two substituents on benzene ring (X = NO2, Br,Cl, CH3) are, due to the reactivity of the 2-methyl group, able to react with para-substituted aromatic aldehydes (X = OH, OCH3, CH3, NMe2, NO2) using piperidine as a catalyst. 1-Me...

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Main Authors: CORINA CERNATESCU, EUGENIA COMANITA
Format: Article
Language:English
Published: Serbian Chemical Society 2005-12-01
Series:Journal of the Serbian Chemical Society
Subjects:
Online Access:http://www.shd.org.yu/HtDocs/SHD/vol70/No12/JSCS_V70_No12-01.pdf
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author CORINA CERNATESCU
EUGENIA COMANITA
author_facet CORINA CERNATESCU
EUGENIA COMANITA
author_sort CORINA CERNATESCU
collection DOAJ
description 1,2,3-Trimethylbenzimidazolium iodide and its analogue salts with one or two substituents on benzene ring (X = NO2, Br,Cl, CH3) are, due to the reactivity of the 2-methyl group, able to react with para-substituted aromatic aldehydes (X = OH, OCH3, CH3, NMe2, NO2) using piperidine as a catalyst. 1-Methyl-2-styrylbenzimidazole iodomethylates were obtained and their structure elucidated by means of NMR and IR spectroscopy. The compounds are interesting as hemicyanine dyes. They lend themselves to studies based on electronic absorption spectroscopy and they have potential practical applications linked to their photosensitive properties.
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spelling doaj.art-314a4c005e144d88b0531ca682ccf9bb2022-12-21T19:41:06ZengSerbian Chemical SocietyJournal of the Serbian Chemical Society0352-51392005-12-01701213811388Benzazole derivatives. IV. Reaction of 1,2,3-trimethylbenzimidazolium salts with aromatic aldehydesCORINA CERNATESCUEUGENIA COMANITA1,2,3-Trimethylbenzimidazolium iodide and its analogue salts with one or two substituents on benzene ring (X = NO2, Br,Cl, CH3) are, due to the reactivity of the 2-methyl group, able to react with para-substituted aromatic aldehydes (X = OH, OCH3, CH3, NMe2, NO2) using piperidine as a catalyst. 1-Methyl-2-styrylbenzimidazole iodomethylates were obtained and their structure elucidated by means of NMR and IR spectroscopy. The compounds are interesting as hemicyanine dyes. They lend themselves to studies based on electronic absorption spectroscopy and they have potential practical applications linked to their photosensitive properties.http://www.shd.org.yu/HtDocs/SHD/vol70/No12/JSCS_V70_No12-01.pdfbenzimidazolium iodidescondensation reactions2-stryrylbenzimidazole iodomethylates
spellingShingle CORINA CERNATESCU
EUGENIA COMANITA
Benzazole derivatives. IV. Reaction of 1,2,3-trimethylbenzimidazolium salts with aromatic aldehydes
Journal of the Serbian Chemical Society
benzimidazolium iodides
condensation reactions
2-stryrylbenzimidazole iodomethylates
title Benzazole derivatives. IV. Reaction of 1,2,3-trimethylbenzimidazolium salts with aromatic aldehydes
title_full Benzazole derivatives. IV. Reaction of 1,2,3-trimethylbenzimidazolium salts with aromatic aldehydes
title_fullStr Benzazole derivatives. IV. Reaction of 1,2,3-trimethylbenzimidazolium salts with aromatic aldehydes
title_full_unstemmed Benzazole derivatives. IV. Reaction of 1,2,3-trimethylbenzimidazolium salts with aromatic aldehydes
title_short Benzazole derivatives. IV. Reaction of 1,2,3-trimethylbenzimidazolium salts with aromatic aldehydes
title_sort benzazole derivatives iv reaction of 1 2 3 trimethylbenzimidazolium salts with aromatic aldehydes
topic benzimidazolium iodides
condensation reactions
2-stryrylbenzimidazole iodomethylates
url http://www.shd.org.yu/HtDocs/SHD/vol70/No12/JSCS_V70_No12-01.pdf
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