Synthesis of substituted 2-amino-1-arylidenaminoimidazoles and 1-arylidenaminoimidazo[1,2-a]imidazoles
A new method is proposed for the preparation of 2-amino-1-arylidenaminoimidazoles, which react with α-haloketones to give a series of 1-arylidenamino-3-acylmethyl-2-iminoimidazolines and 1-arylidenaminoimidazo[1,2-a]imidazoles depending on the conditions. 1997 Plenum Publishing Corporation.