Ruthenium alkynyl, carbene and alkenyl complexes containing pendant uracilgroups: an investigation into the formation of alkenyl-phosphonio complexes†
Abstract
The C
CHUr)][X] (X = PF6,
CUr)(η5-C5H5)(PPh3)2,
C{OMe}–CH2Ur)][X] and
C{PPh3}Ur)(η5-C5H5)(PPh3)2][X]. The synthesis of the related
C{PPh3}R)(η5-C5H5)(PPh3)2][X] (R = Ph, C6H4-3-OMe) is described; these undergo a further orthometallation reaction: the mechanism of this latter reaction appears to proceed via dissociation of a