申请人:——
公开号:US20030068295A1
公开(公告)日:2003-04-10
This invention relates to odor neutralizers comprising esters of the formula (I) wherein R
1
is an alkyl radical with 1 to 4 carbon atoms which can optionally contain a double bond; R
2
is a hydrogen or an alkyl radical with 1 to 3 carbon atoms which can optionally contain a double bond; R
3
is a hydrogen or a methyl radical substituted by the alkyl radicals R
9
and R
10
; R
4
is a hydrogen, a methyl radical or an acyloxy radical of the general formula O—CO—R
1
wherein R
1
has the abovementioned meaning; R
5
, R
6
, R
7
, R
8
and R
10
are identical or different and is hydrogen or methyl; R
9
is a hydrogen and R
4
and R
9
can together represent a single carbon bond or a methylene or an ethylene bridge, with the proviso that i) in the case of cyclohexyl esters in which R
1
=methyl, R
2
=isopropyl, R
5
=methyl and R
6
=hydrogen, the substituents R
2
and R
5
are arranged in a cis relationship to each other; ii) in the case of cyclohexyl esters in which R
2
=isopropenyl, R
5
=methyl and R
6
=hydrogen, the substituent R
1
is an alkyl group with at least two C atoms; iii) in the case of acyclic monofunctional esters, the substituent R
1
is an alkyl group with at least two C atoms; and iv) in the case of cyclohexyl esters in which R
2
, R
7
, R
8
=hydrogen and R
5
, R
6
, R
10
=methyl, the substituent R
1
is methyl, ethyl, propyl or 1-propen-1-yl.
本发明涉及由式 (I) 的酯组成的气味中和剂,其中 R
1
是含有 1 至 4 个碳原子的烷基,可选择含有双键; R
2
是氢或 1 至 3 个碳原子的烷基,可选择含有双键; R
3
是氢或被烷基 R
9
和 R
10
; R
4
是氢、甲基或通式为 O-CO-R 的酰氧基。
1
其中 R
1
具有上述含义
5
, R
6
, R
7
, R
8
和 R
10
相同或不同,并且是氢或甲基; R
9
是氢,R
4
和 R
9
可共同代表一个碳键或一个亚甲基或一个亚乙基桥,但有以下限制条件 i) 如果是环己基酯,其中 R
1
等于甲基时,R
2
等同于异丙基,R
5
等于;甲基和 R
6
等于;氢,取代基 R
2
和 R
5
以顺式关系相互排列; ii) 如果是环己基酯,其中 R
2
等于异丙烯基时,R
5
等于甲基和 R
6
等于;氢,取代基 R
1
是至少有两个 C 原子的烷基; iii) 如果是无环单官能团酯,取代基 R
1
是至少含有两个 C 原子的烷基;以及 iv) 对于环己基酯,其中 R
2
, R
7
, R
8
等于;氢和 R
5
, R
6
, R
10
等于;甲基,取代基 R
1
是甲基、乙基、丙基或 1-丙烯-1-基。