911237-75-7

Upstream product

• 91527-66-1 3-(2-chlorophenyl)-1-(coumarin-3-yl)prop-2-en-1-one 
• 89-98-5 2-chloro-benzaldehyde 
• 3949-36-8 3-acetylcoumarin 
• 911237-58-6 3-[2-(2-chloro-phenyl)-2,5-dihydro-benzo[b][1,4]thiazepin-4-yl]-chromen-2-one 
• 911237-66-6 3-[2-(2-chloro-phenyl)-2,3-dihydro-benzo[b][1,4]thiazepin-4-yl]-chromen-2-one 

Relevant academic research and scientific papers

A facile one pot synthesis of 2-aryl-4-[2H-2-oxo-[1]benzopyran-3-yl] 2,3-dihydro and 2,5-dihydro-1,5-benzothiazepines

3-acetyl coumarins on condensation with various aromatic aldehydes in the presence of piperidine gave corresponding chalcones in a solid state under solvent free conditions. These chalcones are isolated and characterized. The insitu-formed chalcones (1) a