Isolation of a co-ordinated ketol intermediate in the hydrolysis of PF6initiated by the labile cations [Ru(η6-arene)(acetone)3]2+; X-ray crystal structure of acetone(4-hydroxy-4-methylpentan-2-one)(η6-mesitylene)ruthenium bistetrafluoroborate

Abstract
Formation of the tri-µ-difluorophosphato complexes [Ru2(µ-PO2F2)3(η6-arene)2][PF6] from [Ru(η6-arene)(acetone)3][PF6]2 proceeds via di-cations [Ru(η6-arene)(4-hydroxy-4-methylpentan-2-one)(acetone)]2+; the mesitylene complex has been isolated as its BF4 salt and characterised by single crystal X-ray analysis.

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