Double activation of the diphosphinite pincer proligand by a triosmium carbonyl cluster

[Display omitted] The reaction between 1,3-bis(diphenylphosphinite)-benzene and Os3(CO)10(MeCN)2 affords complex Os3(CO)10[1,3-(PhPO)2C6H4]. A thermolysis of this cluster in refluxing toluene results in the activation of O–PPh2 and C–H bonds and the formation of unsaturated triosmium cluster Os3(μ-H...

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Bibliographic Details
Published in:Mendeleev communications 2020-05, Vol.30 (3), p.374-376
Main Authors: Krivykh, Vasily V., Panov, Dmitry A., Dolgushin, Fedor M., Koridze, Avthandil A.
Format: Article
Language:English
Subjects:
NMR
osmium cluster
pincer complexes
pseudo-pincer ligand
single crystal X-ray analysis
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Summary:[Display omitted] The reaction between 1,3-bis(diphenylphosphinite)-benzene and Os3(CO)10(MeCN)2 affords complex Os3(CO)10[1,3-(PhPO)2C6H4]. A thermolysis of this cluster in refluxing toluene results in the activation of O–PPh2 and C–H bonds and the formation of unsaturated triosmium cluster Os3(μ-H)(μ-PPh2)(CO)7[(C6H3(O)(OPPh2)] that possesses a remarkable structure with the pseudo-pincer ligand containing a bridging μ-η1-aryl group.
ISSN:0959-9436
DOI:10.1016/j.mencom.2020.05.038