Abstract
A new generation of chroman bearing heterocyclic five membered ring such as 1,2,4-triazoles and thiazolidinones was designed and synthesized. New chroman based nucleus 5-(6-fluorochroman-2-yl)-4-aryl-4H-1,2,4-triazole-3-thiol and 6-fluorochroman-N-(4-oxo-2-arylthiazolidinin-3-yl) chroman-2-carboxamides were synthesized. Aryl triazole compounds 4a–4j were synthesized from 6-fluorochroman-2-carbohydrazide 2 on reaction with base in methanol and CS2 followed by reaction with substituted aniline. Thiazolidinone compounds 5a–5j were synthesized from 6-fluorochroman-2-carbohydrazide 2 on reaction with substituted aryl aldehyde and thioglycolic acid.
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