The present invention provides antioxidants made of an aromatic hydroxyamine derivative having a structure represented by the general formula (I):
wherein R
1
, R
2
and R
3
are each independently a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; X is a hydrogen atom or an OH group; Y is a hydrogen atom or an NHR
1
group; A is a direct bond, —O—, —NH—, —SO
2
—, —CH
2
— or —C(CH
3
)
2
—, and when an OH group and an NHR
1
group are introduced to a unilateral benzene ring, these groups are respectively bonded to adjacent positions of the benzene ring; and n is 0 or 1 with the proviso that when n is 0, R
1
is not a hydrogen atom, as well as bisaminophenol derivatives represented by the above general formula (I) wherein n is 1; R
2
and R
3
are each a hydrogen atom; X is an OH group; Y is an NHR
1
group; A is —C(CH
3
)
2
—; and R
1
is isopropyl, isobutyl or isohexyl. The aromatic hydroxyamine derivatives having a structure represented by the general formula (I), in particular, the bisaminophenol derivatives as novel substances, exhibit an excellent oxidation-inhibiting property, and are usable as antioxidants or polymerization inhibitors.
本发明提供了一种芳香族
羟胺衍
生物制备的
抗氧化剂,其结构由通式(I)表示:其中,R1、R2和R3各自独立地是氢原子或具有1到20个碳原子的烷基基团;X是氢原子或羟基(OH)基团;Y是氢原子或NHR1基团;A是直接键、—O—、—NH—、—SO2—、—
CH2—或—C(
CH3)2—,当在一个单侧苯环上引入OH基团和NHR1基团时,这些基团分别与苯环的相邻位置结合;n为0或1,但当n为0时,R1不是氢原子。此外,本发明还提供了通式(I)所表示的双
氨基
酚衍
生物,其中n为1;R2和R3均为氢原子;X为羟基(OH)基团;Y为NHR1基团;A为—C( )2—;而R1为异丙基、异丁基或异己基。具有通式(I)所表示的芳香族
羟胺衍
生物,尤其是作为新化合物的双
氨基
酚衍
生物,表现出优异的抗氧化性能,可用作
抗氧化剂或聚合
抑制剂。