Sun Jiang-tao
2010
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Journal
Fine and Specialty Chemicals
Abstract
Triazolo[4,3a]azepin-3-one(thiol) was a kind of important heterocyclic compounds,which have upper bioactivity and additive values.The synthsis method to obtain title heterocyclic compounds were founded using hexanolactam as initiation material,the intermediate(I) was obtained by O-methylation with dimethyl sulfate, then was cyclized with carbazicacidmethylester or methyldithiocarbazate.The title compounds were confirmed by MS,~1HNMR.It was a good method to synthesize this kind of heterocyclic compounds,which have advantages of easily handle,mild conditions and low costs.It was also suitable for industrial production.