A new class of tethered-arene ruthenium(ii) complexes with pendant P and C donor atoms: synthesis of η6:η1:η1 phosphonio-azabutadienyl ruthenabicycles via allenylidene intermediates†
Chemical Communications Pub Date : 07/20/2004 00:00:00 , DOI:10.1039/B404971C
Abstract
The activation of 1,1-diphenyl-2-propyn-1-ol by complexes [RuCl(η6-p-cymene){η2-P,N-Ph2PCH2P(NR)Ph2}]+ (1a–d) results in the formation of the unusual tethered (η6-arene)–ruthenium(II) derivatives 2a–d, via an unprecedented iminophosphorane–allenylidene coupling process.