Reaction of polyamines with diethyloxalate: a convenient route for the synthesis of tetraazacycloalkanes - Denat, Franck; Tripier, Raphaël; Boschetti, Frédéric; Espinosa, Enrique; Guilard, Roger (ARKIVOC, 2006)
doi: 10.3998/ark.5550190.0007.415