1. Spontaneous resolution of an axially dissymmetric 3-carbamoylpyridinium iodide; intrinsic discrimination between the enantiomeric forms by the introduction of a second chiral element Loek A. M. Bastiaansen,Jan A. Kanters,Fred H. van der Steen,John A. C. de Graaf,Henk M. Buck J. Chem. Soc. Chem. Commun. 1986 536
2. The influence of chirality in the amide side chain on the carbonyl orientation in rotational isomers of 3-carbamoylpyridinium halides Loek A. M. Bastiaansen,Ton J. M. Vermeulen,Henk M. Buck,Wilberth J. J. Smeets,Jan A. Kanters,Anthony L. Spek J. Chem. Soc. Chem. Commun. 1988 230