Citation: Grigoropoulos, Alexios; Whitehead, George F. S.; Perret, No\'emie; Katsoulidis, Alexandros P.; Chadwick, F. Mark; Davies, Robert P.; Haynes, Anthony; Brammer, Lee; Weller, Andrew S.; Xiao, Jianliang; Rosseinsky, Matthew J. (2016). Encapsulation of an organometallic cationic catalyst by direct exchange into an anionic MOF. Chem. Sci., 7, pp. 2037-.