%0 Journal Article %T Metal-Dependent Umpolung Reactivity of Carbenes Derived from Cyclopropenes %J - %D 2019 %R https://doi.org/10.1016/j.isci.2019.04.001 %X £¿ Metals reverse the reactivity of carbenes £¿ Nucleophilic zinc carbenoids £¿ Reactive carbenoid and ylide intermediates are trapped by electrophiles £¿ Chemodivergent synthesi %U https://www.cell.com/iscience/fulltext/S2589-0042(19)30098-7