Journal ArticleDOI
2-METHYLARENO[d]-3-AZATELLUROPHENES
Thomas Junk,Kurt J. Irgolic +1 more
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In this article, equimolar amounts of mercury acetate and 4-aminotoluene were refluxed in methanol for 12 hours, and they were added to the mixture to produce 2-amino-5-methylphenyl mercury chloride.Abstract:
2-6-Dimethylbenzo[d]-3-azatellurophene(22%), 2-methyl-6-tert-butylbenzo[d]-3-azatellurophene (11%), 2-methyl-6-chlorobenzo[d]-3-azatellurophene (31%) and 2-methylnaphtho[2,1-d]-3- azatellurophene (13%) were prepared from 4-methylaniline, 4-tert-butylaniline, and 2-aminonaphthalene, respectively. The yields given in parentheses are overall yields based on the arylamine. For example, equimolar amounts of mercury acetate and 4-aminotoluene were refluxed in methanol for 12 hours. Lithium chloride was added to the mixture to produce 2-amino-5-methylphenyl mercury chloride. Acetylation with excess acetic anhydride gave 2-acetamido-5-methylphenyl mercury chloride in nearly quantitative yield based on aminotoluene. The aryl mercury chloride produced 2-acetamido-5-methylphenyl tellurium trichloride in 40% yield when refluxed with an equimolar amount of tellurium tetrachloride in acetic acid. Reduction with excess sodium sulfide gave bis(2-acetamido-5-methylphenyl) ditelluride in 94% yield, which was isola...read more
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Journal ArticleDOI
Supramolecular Wiring of Benzo‐1,3‐chalcogenazoles through Programmed Chalcogen Bonding Interactions
Adrian Kremer,Andrea Fermi,Nicolas Biot,Nicolas Biot,Johan Wouters,Davide Bonifazi,Davide Bonifazi,Davide Bonifazi +7 more
TL;DR: It has been shown that the recognition properties of the chalcogen centre at the solid state could be programmed by selectively barring one of its σ-holes through a combination of electronic and steric effects exerted by the substituent at the 2-position.
Journal ArticleDOI
Reaction of Fe3(CO)12 with TelluriumNitrogen Heterocycles: A Source of Novel Organoiron Compounds
TL;DR: Heterocyclic tellurium compounds were shown to be useful precursors for the synthesis of novel organoiron compounds as discussed by the authors, and they were used for the first time in the early 1990s.
Journal ArticleDOI
Facile access to aryltellurium compounds from arylboronic acids
TL;DR: Arylboronic acids were treated with tellurium tetrachloride to generate substituted aryltellurium trichlorides, which were reduced to the corresponding diaryl ditellurides in good to excellent overall yields as discussed by the authors.
Reference EntryDOI
Organic Diselenides, Ditellurides, Polyselenides and Polytellurides. Synthesis and Reactions
TL;DR: In this paper, the main efficient and reliable approaches to organic diselenides and ditellurides and their principal chemical reactions are described, as well as a comparison of selenol-diselenide and thiol-disulfide reversible exchange reactions have been discussed.
Journal ArticleDOI
Organotellurium Chemistry: Remarkably Facile Preparation of Benzo‐1,3‐tellurazoles
TL;DR: Benzo-1,3-tellurazoles carrying alkyl or aryl substituents in position 2 were prepared in a facile two-step sequence, starting with readily available 2-haloanilines as mentioned in this paper.
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Journal ArticleDOI
The 1,3-benzotellurazole : A new heterocyclic system
TL;DR: In this article, the 1,3-benzotellurazole and its substituted derivatives were synthesized, and the synthesis of a new heterocyclic system was described.
Journal ArticleDOI
Synthese nouvelle et rapide d'alkylseleno et alkyltelluroarenes au moyen d'ethers-couronnes
André Luxen,Léon Christiaens +1 more
TL;DR: In this article, a phase transfer catalytic synthesis of alkylseleno and alkylyltelluro-arenes is described from arenediazonium tetrafluoroborates and dialkyldichalcogenides.