Facile access to organotellurium heterocycles by nitration of bis(3,5-dimethylphenyl) ditelluride
作者:Prabodhika R. Mallikarachy、Harry O. Brotherton、Frank R. Fronczek、Thomas Junk
DOI:10.1002/jhet.5570420210
日期:2005.3
Efficient access to bis(nitrophenyl) ditellurides was developed and their utility for the preparation of novel nitrogen-containing organotellurium heterocycles demonstrated. The nitration of diphenyl ditellurides resulted in their oxidation to benzenetellurinic acids, followed by nitration in ortho or meta positions relative to tellurium. Nitration of bis(3,5-dimethylphenyl) ditelluride furnished bis(3,5
有效地获得了双(硝基苯基)二碲化物,并证明了它们在制备新型含氮有机碲杂环化合物中的实用性。二苯基二碲化物的硝化作用将其氧化为苯碲酸,然后在相对于碲的邻位或间位进行硝化。硝化双(3,5-二甲基苯基)二碲化物提供双(3,5-二甲基-2-硝基苯基)二碲化物,将其精加工成2,4,6-三甲基苯并四氢呋喃和(Z)-2-甲氧基羰基亚甲基-3,4- dihydro-3-oxo-2 H -benzo-1,4-tellurazine,首次报道3,4-dihydro-2 H-苯并-1,4-碲脲。通过X射线晶体学表征该化合物以及2,4,6-三甲基碲金属鎓(4-二氰基亚甲基-环己-2,5-二烯基)氰基乙酸酯。