Synthesis and reactivity toward acetylenic dipolarophiles of imidazo[2,1-b]thiazolium-3-olate systems

Article abstract of DOI:10.1016/0008-6215(91)89009-5

The reaction of 1-phenyl-(3,5,6-tri-O-acetyl-1,2-dideoxy-α-D-glucofurano)[2,1-d]imidaz olidine-2-thione (1) with α-bromophenylacetic acid and cyclisation with acetic anhydride-triethylamine of the thioglycolic acid intermediate led to the mesoionic deriva