Unexpected ring closures leading to 2- N , N -dialkylaminoareno[1,3]tellurazoles

Unexpected ring closures leading to 2- N , N -dialkylaminoareno[1,3]tellurazoles

A novel synthetic method has been developed to prepare 2- N , N -areno[1,3]tellurazoles following a one step procedure from readily accessible precursors. Products were obtained in yields up to 78% by reacting bis(2-aminoaryl)ditellurides with dialkylformamides in the presence of phosphorous trichlo...

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Veröffentlicht in:New journal of chemistry 2022-12, Vol.46 (47), p.22533-22538
Hauptverfasser: Pierre, Johan, Hill, Zachary M., Fronczek, Frank R., Junk, Thomas
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Sprache:eng
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Chlorides
Congeners
Crystallography
Selenium
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container_end_page 22538
container_issue 47
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container_title New journal of chemistry
container_volume 46
creator Pierre, Johan
Hill, Zachary M.
Fronczek, Frank R.
Junk, Thomas
description A novel synthetic method has been developed to prepare 2- N , N -areno[1,3]tellurazoles following a one step procedure from readily accessible precursors. Products were obtained in yields up to 78% by reacting bis(2-aminoaryl)ditellurides with dialkylformamides in the presence of phosphorous trichloride or phosphorous oxychloride. An analogous approach furnished 2-( N , N -dimethylamino)naphtho[1,2- d ][1,3]tellurazole from 3-chloronaphtho[2,1- c ]-1,2,5-oxatellurazole. This method was found to be specific to the synthesis of 2-dialkylaminotellurazoles and does not proceed with sulfur or selenium congeners. A characterization of two selected samples by X-ray crystallography found a supramolecular wire motif resulting from intermolecular Te⋯N interactions for one of them.
doi_str_mv 10.1039/D2NJ03234A
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source Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects Chlorides
Congeners
Crystallography
Selenium
title Unexpected ring closures leading to 2- N , N -dialkylaminoareno[1,3]tellurazoles
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