Solvent-free synthesis of functionalised indenothiazoles using four-component reactions of ninhydrin
2017 ◽
Vol 41
(7)
◽
pp. 403-405
◽
A one-pot synthesis of indenothiazole derivatives via four-component reactions of ninhydrin, acid chlorides, ammonium thiocyanate and primary amines at 70 °C is described. The method offers several advantages including high yields of products and an easy experimental work-up procedure.