652143-37-8Relevant academic research and scientific papers
The reactivity of an iridaphosphirene complex, [Ir{=C(But)-P(Cy)}(CO)(PPh3)2], Cy = cyclohexyl, toward electrophiles
Brym, Markus,Jones, Cameron,Waugh, Mark
, p. 2889 - 2893 (2003)
The reactivity of an iridaphosphirene complex, [Ir{=C(But)P(Cy)}(CO)(PPh3)2], Cy = cyclohexyl, toward a variety of electrophiles has been examined and in all cases reactivity occurs at the phosphorus centre within the three membered ring. Reaction with several protic reagents has led to the formation of the iridaphosphirenium salts, [Ir{=C(But)P(H)(Cy)}(CO)(PPh3)2]X, X = BF4-, CF3SO3 or CF3CO2-, two of which have been crystallographically characterised. Though thermally stable in the solid state, in dichloromethane solutions these rearrange via 1,2-hydrogen migrations over seven days to give the Ir(I)-η1-phosphaalkene complexes, [Ir(CO)(PPh3)2{η1-P(Cy)=C(H)(But )}]X, one of which (X = BF4-) has been crystallographically characterised. The reactions of [Ir{=C(But)P(Cy)}(CO)(PPh3)2] with MeI, S and Se have also been investigated and found to give the complexes, [Ir{=C(But)P(Me)(Cy)}(CO)(PPh3)2]I and [Ir{=C(But)P(=E)(Cy)}(CO)(PPh3)2] E = S or Se, the former two of which have been structurally authenticated.
