Several Imino 4-Thiazolines were prepared by condensation of disymmetr
ic thioureas and alpha-chloro ketone under microwave irradiation in so
lvent Free conditions. Hydrochlorides precursors were isolated. Iminot
hiazolines are obtained directly when reactions are performed over alu
mina. (C) 1998 Elsevier Science Ltd. All rights reserved.