Add time:08/03/2019 Source:sciencedirect.com
Reaction of 2-chloro-1-phenacylpyridinium bromide 1a with KSCN led to 2-amino-thiazolo[3,2-a]pyridinium salts 4a,b thus opening a novel route to fused thiazoles. In reaction with KSCN oxazolo[3,2-a]pyridinium perchlorate 2a was converted to thiocyanate 2b. Crystal structures of thiocyanates 2b and 4b were determined.
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