ðə kˌɔːɹɪspˈɑːndɪŋ ɔːɹɡˌænoʊbˈoːɹɑːn ænd ɔːɹɡˌænoʊɐlˈuːmɪnəm kˈɑːmpaʊndz wɜːɹ ɔːlɹˌɛdi nˈoʊn, bˌʌt ðiːz ɑːɹ ˈɛɹsˈɛnsᵻtˌɪv ænd slˈæʃ ɔːɹ pˌaɪɹoʊfˈoːɹɪk wˈɛɹæz ɔːɹɡˌænoʊzɜːkˈoʊniəm kˈɑːmpaʊndz ɑːɹ nˈɑːt.
The corresponding organoboron and organoaluminum compounds were already known, but these are air-sensitive and/or pyrophoric whereas organozirconium compounds are not.