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Royal Society of Chemistry, Chemical Communications, 77(49), p. 8701

DOI: 10.1039/c3cc44952a

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Unexpected mild C–N bond cleavage mediated by guanidine coordination to a niobium iminocarbamoyl complex

Journal article published in 2013 by David Elorriaga, Fernando Carrillo-Hermosilla ORCID, Antonio Antiñolo, Isabel López-Solera, Rafael Fernández-Galán ORCID, Elena Villaseñor
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Abstract

The complex [Nb(NMe2)2{(NMe2)C[double bond, length as m-dash]N(t)Bu}{N(2,6-(i)Pr2C6H3)}] reacts with trialkylguanidines and undergoes a room temperature C-N bond cleavage of the iminocarbamoyl moiety. This reaction affords the guanidinate complexes [Nb(NMe2)2{N(2,6-(i)Pr2C6H3)}{(N(i)Pr)2C(NH(i)Pr)}] or [Nb(NMe2)2{N(2,6-(i)Pr2C6H3)}{(N(i)Pr)2C(NH(n)Bu)}] and free isocyanide. The first crystal structure of a niobium iminocarbamoyl complex is reported.