Organocatalytic enantioselective synthesis of pyrazolidines, pyrazolines and pyrazolidinones
Enantiopure pyrazolidines, pyrazolines and pyrazolidinones have been accessed in a direct and efficient manner through an organocatalytic, enantioselective aza-Michael/hemiaminal formation cascade process from enals and N,N′-disubstituted hydrazides. The process takes place with high regio- and stereoselectivities and furnishes the target compounds in high overall yields by means of an operationally very simple methodology. Copyright
Fernandez, Maitane,Reyes, Efraim,Vicario, Jose L.,Badia, Dolores,Carrillo, Luisa
p. 371 - 376
(2012/04/10)
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