ChemInform Abstract: Reactions of Transition‐Metal σ‐Acetylide Complexes. Part 14. Cyclobutenyl, Butadienyl, and Allyl Complexes of Ruthenium Derived from 1,1‐Dicyano‐2,2‐bis(trifluoromethyl)ethene. X‐Ray Structures of Cyclic Ru(C=CPhC(CF3)2C(CN)2)(CO)(PPh3)(η‐C5H5), Ru(C(=C(CN)2)CX=C(CF3)2)(CO)(PPh3)(η‐C5H5) (X: Me, Ph), and Ru(η3‐C(CF3)2CPhC=C(CN)2)(PPh3)(η‐C5H5). | Publicación