The inverse podant
[Li3(NBut)3S}]
+ stabilises a single ethylene oxide OCH
CH2
anion as a high- and low-temperature polymorph of
[(thf)3Li3(OCH
CH2){(NBu
t)3S}]
Abstract
A single ethylene oxide anion derived from the ether cleavage reaction of thf with ButLi is stabilised by the inverse podant [Li3(NBut)3S}] + to give a high- and a low-temperature polymorph with a considerable difference in conformation and packing.