Please use this identifier to cite or link to this item: https://doi.org/10.1039/DT9930000663
Title: Synthesis and crystal structures of (CF3)2As-N=PPh3, [Os3(CO)11{(CF3)2As=N=PPh 3}] and [Os3(μ-H)2(CO)9{(CF3) 2As=N=PPh3}]
Authors: Ang, H.G. 
Kwik, W.L. 
Lee, Y.W.
Rheingold, A.L.
Issue Date: 1993
Source: Ang, H.G., Kwik, W.L., Lee, Y.W., Rheingold, A.L. (1993). Synthesis and crystal structures of (CF3)2As-N=PPh3, [Os3(CO)11{(CF3)2As=N=PPh 3}] and [Os3(μ-H)2(CO)9{(CF3) 2As=N=PPh3}]. Journal of the Chemical Society, Dalton Transactions (5) : 663-667. ScholarBank@NUS Repository. https://doi.org/10.1039/DT9930000663
Abstract: Bis(trifluoromethyl)arsinous azide (CF3)2AsN3 undergoes a Staudinger reaction with PPh3 to give the arsinophosphazene (CF3)2As-N=PPh3 which reacts with [Os3(CO)11(MeCN)] and [Os3(μ-H)2(CO)10] to give [Os3(CO)11{(CF3)2As=N=PPh 3}] 1 and [Os3(μ-H)2(CO)9{(CF3) 2As=N=PPh3}] 2 respectively. Single-crystal X-ray structural studies show that upon complexation (CF3)2As-N=PPh3 assumes a highly delocalized electronic structure over the unsymmetrical As-N=P segment with the As-N bond distance assuming that of an As=N double bond. These two complexes represent the first examples of neutral compounds containing a highly delocalized As=N=P non-linear structure.
Source Title: Journal of the Chemical Society, Dalton Transactions
URI: http://scholarbank.nus.edu.sg/handle/10635/95055
ISSN: 14727773
DOI: 10.1039/DT9930000663
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