Synthesis and reactivity of rare-earth metal phosphaethynolates

Over the course of the last six years, research on the synthesis and reactivity of molecular metal phosphaketenes (M-PCO) has gained increasing attention. However, lanthanide complexes of the heavier group 15 cyanate analogue PCO- have not been investigated so far. Herein we present exemplar studies...

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Published inDalton transactions : an international journal of inorganic chemistry Vol. 47; no. 37; pp. 13016 - 13024
Main Authors Bestgen, Sebastian, Chen, Qien, Rees, Nicholas H, Goicoechea, Jose M
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 2018
Subjects
Chemical synthesis
Crystallography
Cyanates
Neodymium
Rare earth elements
Reactivity
Samarium
Sequestering
Yttrium
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Summary:Over the course of the last six years, research on the synthesis and reactivity of molecular metal phosphaketenes (M-PCO) has gained increasing attention. However, lanthanide complexes of the heavier group 15 cyanate analogue PCO- have not been investigated so far. Herein we present exemplar studies on the nature and reactivity of rare-earth phosphaethynolato-complexes using three characteristic representatives of the rare-earth metals: Y, Nd and Sm. Our investigations comprise both +2 and +3 redox states, and one defined amidinate-based ligand set, as well as novel reaction pathways in the presence of the sequestering agents 18-crown-6 and 2,2,2-crypt.
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ISSN:1477-9226
1477-9234
DOI:10.1039/c8dt03427c