Tetrahedron p. 7803 - 7812 (1990)
Update date:2022-07-31
Topics:
Besse, Richard
Garratt, Peter J.
Hobb, Christopher J.
Rogers, Helen M.
Sueleiman, A. Mannan
et al.
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
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