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四氢-1,3-噻嗪-2,6-二酮的制备

Preparation of Tetrahydro-1,3-thiazin-2,6-dione
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摘要 四氢-1,3-噻嗪-2,6-二酮(1)在合成肽类化合物时应用广泛,例如在合成L-肌肽时,应用1可以简化反应步骤,减少副产物生成,提高收率等。1属硫代环羧酸酐类,具有环羧酸酐特性,可用于合成硫醇、硫代碳酸酯、烯烃、烷烃。 Tetrahydro-1,3-thiazin-2,6-dione was prepared from ethanol by successive reactions with aqueous sodium hydroxide solution / CS2, bromoethane and β-alanine with triethyl benzyl ammonium chloride as phase transfer catalyst to give N- (ethyloxythiocarbonyl) -β-alanine, which was subjected to cyclization with an overall yield of about 72 % (based on β-alanine).
出处 《中国医药工业杂志》 CAS CSCD 北大核心 2008年第9期647-649,共3页 Chinese Journal of Pharmaceuticals
基金 浙江省科技厅资助项目(2007C21156)
关键词 四氢-1 3-噻嗪-2 6-二酮 制备方法 肽类化合物 重排反应 tetrahydro-1,3-thiazin-2,6-dione intermediate preparation
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