Fu Pei-pei
2013
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Journal
Fine chemicals
Abstract
Under alkaline conditions and in aqueous solution,2-methyl-3-acetyl-5-1′,2′,3′,4′-tetrahydroxy butyl pyrrole was obtained by the reaction of D-glucosamine hydrochloride with acetyl acetone at reflux for 8 h.Then,this chemical compound was taken as raw material to react with cinnamic acid to synthesize the 4-(4-acetyl-5-methyl-1H-pyrrol-2-yl)-2′,3′,4′-trihydroxybutyl cinnamate in the presence of DCC which was used as dehydrating agent.Its structure was characterized and verified by 1HNMR,13CNMR,IR,and HRMS spectral analysis.The pyrolysis of the target product was studied at 300 ℃,600 ℃,and 900 ℃ respectively,and the application of the product in cigarette flavoring was studied as well.The results show that such aroma components as benzaldehyde,2-methyl pyridine and farnesol were detected at the three temperatures.It is proved that when 0.2% of the target product was added in tobacco,it could play an important role in enhancing the aroma quality and volume of smoke,reducing irritancy and improving the aftertaste.