申请人:Philip Morris Incorporated
公开号:US05256785A1
公开(公告)日:1993-10-26
In one embodiment this invention provides smoking compositions which contain a novel oxalate ester flavorant-release additive. Under cigarette smoking conditions, a combustible filler additive such as methyl 2-pyrazinyl-2-propanyl oxalate or di(2-pyrazinyl-2-propanyl) oxalate pyrolyzes and releases 2-isopropenylpyrazine flavorant as a volatile component of the cigarette smoke. ##STR1##
在一种实施例中,本发明提供了含有新型草酸酯香精释放添加剂的吸烟组合物。在香烟吸烟条件下,可燃填料添加剂,如甲基2-吡啶基-2-丙酸酯或双(2-吡啶基-2-丙基)草酸酯,热解并释放2-异丙烯基吡嗪香精作为香烟烟雾的挥发性成分。