Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Addition of guanidines 2 and 3 to vicinal tricarbonyls 1 and 11 leads to 2-aminoimidazole system. ... Dans le cadre d'un programme de recherche consacré aux substances neurotrophiques de synthèse, à structure guanidine, un brevet, incluant des composés imidazoliques, a ...