Mörsdorf JM, Bruckhoff T, Matveeva R, Rudin B, Wadepohl H, Ballmann J. Martin's Phosphino-Triol Revisited: Unexpected P-C Bond Cleavage Reactions and Their Suppression via Complexation of Al
3+ and Sc
3.
Inorg Chem 2021;
60:19414-19420. [PMID:
34847323 DOI:
10.1021/acs.inorgchem.1c03232]
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Abstract
A revised synthesis of Martin's phosphino-triols (two derivatives) is reported. Once isolated, these thermally sensitive triols were shown to disassemble selectively via an unexpected P-C bond cleavage reaction. This degradation pathway was effectively suppressed via complexation of Al3+ and Sc3+. In the resulting half-cage complexes, the ligand scaffold is bound to each metal (Al3+ and Sc3+, respectively) via all four donor atoms. So far, this κ4-P,O,O',O″-coordination mode has not been observed for any other phosphino-triol.
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