Selective oxygen capture in lithium zincate chemistry: the syntheses and solid-state structures of (µ-O)Zn4[N(2-C5H4N)Bz]6 and But(µ3-O)Li3(µ6-O)Zn3[N(2-C5H4N)Me]6 (Bz = benzyl)
Abstract
Sequential reaction of ZnMe2 with the (2-pyridyl)amines HN(2-C5H4N)R (R = Bz = benzyl 1, Me 2), ButLi and oxygen affords species which demonstrate oxo-encapsulation {(µ4-O)Zn4[N(2-C5H4N)Bz]6 3}, and both encapsulation and insertion into a CLi bond {But(µ3-O)Li3(µ6-O)Zn3[N(2-C5H4N)Me]6 4}; in the solid-state 4 has a new type of fac-isomeric (µ6-O)M3M′3 octahedral core.