The present invention refers to indanone derivatives of formula (I)
wherein
R
1
is selected from hydrogen, methyl and ethyl;
R
2
is selected from hydrogen, methyl and ethyl, and R
3
is selected from hydrogen and methyl; or
R
2
and R
3
form together with the carbon atoms to which they are attached C
3
-C
5
cycloalkyl; and
R
4
is selected from C
2
-C
5
alkyl, C
2
-C
5
alkenyl, C
1
-C
4
alkoxy, C
3
-C
5
cycloalkyl, and C
3
-C
6
cycloalkenyl.
The invention further refers to perfume compositions and fragrance applications comprising them.
本发明涉及式(I)的
吲哚酮衍
生物,其中R1选择氢、甲基和乙基;R2选择氢、甲基和乙基,R3选择氢和甲基;或R2和R3与它们附着的碳原子一起形成C3-C5环烷基;R4选择C2-C5烷基、C2-C5烯基、C1-C4烷氧基、C3-C5环烷基和C3-C6环烯基。该发明还涉及包含它们的香
水组合物和
香料应用。