Organic derivatives of monocoordinated tellurium

Data on the methods of synthesis, structures, and reactivity of organic derivatives of monocoordinated tellurium, namely, compounds with C=Te bonds and phosphine tellurides R3P=Te, are described systematically and generalised. The use of the latter compounds as synthetic equivalents of elemental tellurium for the preparation of metal tellurides is considered. The bibliography includes 139 references.