申请人:Philip Morris Products Inc.
公开号:EP0148788A2
公开(公告)日:1985-07-17
57 The present invention provides a smoking composition which contains a novel type of acylpyrazine ether flavorant additive as exemplified by 1-(3-furfuryl- thio-2-pyrazinyl)-2-methyl-1-propanone:
Further aspects of the invention provide; a process for the preparation of acylpyrazine ethers; novel haloacyl- pyrazine intermediates in the process; and a process for the preparation of haloacrylpyrazine intermediates.
57 本发明提供了一种含有新型酰基吡嗪醚香料添加剂的烟用组合物,例如 1-(3-糠基-硫-2-吡嗪基)-2-甲基-1-丙酮:
本发明的其他方面提供了;一种制备酰基吡嗪醚的工艺;该工艺中的新型卤代酰基吡嗪中间体;以及一种制备卤代丙烯酰基吡嗪中间体的工艺。