Provided are compounds of formula (I)
wherein
m is 0, 1 or 2;
R
I
is a mono- or bicyclic heterocyclic ring system including one, two or three heteroatoms selected from nitrogen, sulphur and oxygen;
R
2
is selected from hydrogen, methyl and ethyl;
I) R
3
is hydrogen, methyl, or ethyl; and
R
4
and R
5
are independently selected from ethyl and isopropyl; and
R
3
, R
4
and R
5
together have at least 6 carbon atoms: or
II) any two or all of R
3
, R
4
and R
5
form together with the carbon atom to which they are attached 3-para-menthyl, bornyl, or adamantyl;
having cooling properties, their use as cooling agent and compositions including them.
提供的化合物为公式(I),其中m为0、1或2;RI为单环或双环杂环环系统,包括从氮、
硫和氧中选择的一个、两个或三个杂原子;R2选择氢、甲基和乙基;I)R3为氢、甲基或乙基;R4和R5独立选择自乙基和异丙基;且R3、R4和R5共有至少6个碳原子;或II)R3、R4和R5中的任意两个或全部与它们所连接的碳原子形成3-对薄荷基、博尔尼基或
金刚烷基;具有冷却性质,其用途为冷却剂和包括它们的组合物。