132286-69-2Relevant academic research and scientific papers
Ring Size Preference in the Intramolecular Cyclisation of Amines with Esters. Synthesis of Aminoacid Derived Hexahydropyrimidines and Tetrahydroimidazoles
Besse, Richard,Garratt, Peter J.,Hobb, Christopher J.,Rogers, Helen M.,Sueleiman, A. Mannan,et al.
, p. 7803 - 7812 (2007/10/02)
In the sequential addition of β-aminoesters and amines to diphenyl cyanocarbonimidate it has been shown that, if there is a choice, the intramolecular cyclisation of the amine to the esters gives a 5-membered rather than a 6-membered diazaheterocycle. 13C
