e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Organometallics
[3+ 3] Cyclodimerization of Methylenecyclopropanes: Stoichiometric and Catalytic Reactions of Nickel (0) with Electron-Deficient Alkylidenecyclopropanes
[Tenorio, Manuel Jimenez; Puerta, M. Carmen; Salcedo, Isabel; Valegra, Pedro Journal of the Chemical Society, Dalton Transactions, 2001 , p. 653 - 657]