TY - DATA T1 - Solid-State and Dynamic Solution Behavior of a Cationic, Two-Coordinate Gold(I) π-Allene Complex PY - 2010/10/11 AU - Timothy J. Brown AU - Atsushi Sugie AU - Marina G. Dickens AU - Ross A. Widenhoefer UR - https://acs.figshare.com/articles/dataset/Solid_State_and_Dynamic_Solution_Behavior_of_a_Cationic_Two_Coordinate_Gold_I_Allene_Complex/2723353 DO - 10.1021/om100688t.s001 L4 - https://ndownloader.figshare.com/files/4399321 KW - Dynamic Solution Behavior KW - fluxional behavior KW - transition state KW - allene ligand KW - AgSbF 6 KW - NMR N2 - The cationic gold π-allene complex {[P(t-Bu)2o-biphenyl]Au[η2-H2CCC(CH3)2]}+SbF6− was isolated in 98% yield from reaction of 3-methyl-1,2-butadiene with a mixture of [P(t-Bu)2o-biphenyl]AuCl and AgSbF6 and was characterized by X-ray crystallography and variable-temperature NMR spectroscopy. These studies revealed preferential binding of gold to the less substituted CC bond of the allene in both the solid state and solution and also revealed fluxional behavior consistent with π-face exchange of the allene ligand via an η1-C2 allene intermediate or transition state. ER -