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Synthesis Technologies

 Cyclization Reaction

 With its unique chlorination techniques, the Division carries out cyclization reactions to form isoquinoline rings, azepine rings, benzoazepine rings, pyrrole rings, etc.


Isoquinoline Ring Formation



Pyrrolo azepine Ring Formation



Chlorination and Isoquinoline Ring Formation



Benzoazepine Ring Formation



Benzothiazepin Ring Formation



Pyrazolopyridine
3-(2-Phenyl-pyrazolo[1,5a]pyridine-3-yl)-acrlylic acid ester



Quinazoline dione
Chlorination & 1H-Quinazoline-2,4-dione ring