Endohedral dynamics of push-pull rotor-functionalized cages
A series of [Pd2L4] coordination cages featuring endohedral functionalities in central backbone positions was synthesized. Although attached via CC double bonds, the substituents behave as molecular rotors. This is explained by their pronounced donor-acceptor character which lowers rotational barriers and allows for electronic control over the spinning rates inside the cage. The dynamic behaviour of the free ligands, assembled cages and host-guest complexes is compared with the aid of NMR experiments, X-ray structure analysis and molecular modelling.
Krick, Marcel,Holstein, Julian,Würtele, Christian,Clever, Guido H.
supporting information
p. 10411 - 10414
(2016/09/02)
The Influence of Electron Delocalization on the Rate Constants for Competing BAc2 and E1cb Ester Hydrolyses
The influence of electron-pair delocalization and leaving-group basicity upon the (E1cb)anion and (BAc2)anion mechanisms of ester hydrolysis are discussed.
Inoue, Masashi,Bruice, Thomas C.
p. 884 - 886
(2007/10/02)
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