申请人:L. Givaudan & Cie, S.A.
公开号:US05144048A1
公开(公告)日:1992-09-01
The present invention provides compounds which upon thermolyis, hydrolysis or both, release an odorant molecule. They find utility, for example, in tobacco, in tobacco paper, and as additives to food, beverages or gum. These compounds are dicarboalkoxy dioxolane derivatives having the following formula: ##STR1## wherein R.sup.1 and R.sup.2 are, independently, --CO.sub.2 R.sup.3 wherein R.sup.3 is --H.sub.3 or lower alkyl, provided that in at least one of R.sup.1 and R.sup.2, R.sub.4 is lower alkyl; wherein Z is a direct bond, or --CH.dbd.C(R.sup.4)--; where R.sup.4 is an alkyl group; and Y is, when Z is a direct bond, ##STR2## where R.sup.5 is lower alkyl; and Y, when Z is --CH.dbd.C(R.sup.4)--, ##STR3## where R.sup.6 is H, lower alkyl or OR.sup.7, where R.sup.7 is H or lower alkyl.
本发明提供了一些化合物,它们在热解、水解或两者同时作用下释放出一种香味分子。例如,在烟草、烟草纸和作为食品、饮料或口香糖添加剂中,这些化合物具有实用价值。这些化合物是具有以下结构式的二羧酸二烷氧基二氧杂环己烷衍生物:
其中,R1和R2分别独立地为--CO2R3,其中R3为--H3或较低的烷基,但在R1和R2中至少有一个R4为较低的烷基;Z为直接键或--CH=C(R4)--;其中R4为烷基;当Z为直接键时,Y为
其中R5为较低的烷基;当Z为--CH=C(R4)--时,Y为
其中R6为H、较低的烷基或OR7,其中R7为H或较低的烷基。