Facile synthesis of 2,2โฒ-dichalcogenobis
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Sungano Mhizha
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Article
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1997
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Elsevier Science
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French
โ 584 KB
Absfmct: A one pot synthesis of 2-2'-diselenobis/ditellurobis(N-alkyl/aryl benzenesulfonamides) 4a-h from N-alkyl/aryl benzenesulfonamides is elaborated. The first cyclization of 2-2' -diselenobis (N-methyl benzenesulfonamide) 4a into 2-methyl-1,3,2+enzothiaselenazole 1.1 dioxide (5a)" using 3chlor