2-Substituted benzotellurazoles

For the synthesis of various 2-substituted benzotellurazoles 12, PCI3 instead of POCI3 was used as the cyclizing reagent (88MI1). The yields of 12 are in the range of 30-50%. 

Benzotellurazole, 2-methyl-, condensation with benzaldehydes, 58, 59 Benzotellurazole, 2-phenyl-crystal structure, 58, 59 Pd(ll) and Hg(Il) complexes, 58, 56 substitution of Te by S, 58, 57 Benzotellurazolium salts, 1- and 3-methyl-2-phenyl-, 58, 56... 

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