申请人:——
公开号:US20020155985A1
公开(公告)日:2002-10-24
The present invention relates to novel heterocyclic pro-fragrances, preferably oxazolidines, tertahydro-1,3-oxazines, thiazolidines, or tetrahydro-1,3-thiazines, more preferably oxazolidines, or tertahydro-1,3-oxazines, most preferably oxazolidines, which are capable of sustained release of fragrance raw material ketones and aldehydes and to fragrance delivery systems which comprise said pro-fragrances.
本发明涉及新型杂环前香料,优选为噁唑烷、四氢-1,3-噁唑烷、噻唑烷或四氢-1,3-噻唑烷,更优选为噁唑烷或四氢-1,3-噁唑烷,最优选为噁唑烷,这些前香料能够持续释放香料原料酮和醛,并且涉及包含该前香料的香料传递系统。