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Condensation of amino dichlorophosphanes R2NPCl2 with Na2Te or Te(SiMe3)2 yields the new P,Te-heterocycles 1 – 4 and the phosphino substituted cyclotetraphosphanes 5. The new compounds are fully characterized by 31P and 125Te NMR spectroscopy. Using a triphenyl-phosphonium ylidyl dichlorophosphane unexpectedly orange yellow crystals of (Ph3P)2 Te are isolated, the structure of which is determined by X-ray crystallography.
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