申请人:——
公开号:US20040209951A1
公开(公告)日:2004-10-21
This invention relates to novel resveratrol analogs of the formula given below; wherein R, R
1
, R
2
and R
3
are: 1. R=OH, R
1
=R
2
=R
3
=H; 2. R=OH, R
1
=Br, R
2
=R
3
=H; 3. R=R
1
=OH, R
2
=R
3
=H; 4. R=R
1
=R
3
=H, R
2
=3,4,5-trihydroxybenzoyl; 5. R=R
1
=H, R
2
=R
3
=3,4,5-trihydroxybenzoyl; 6. R=R
1
=R
3
=H, R
2
=3,4-dihydroxycinnamoyl; 7. R=R
1
=R
3
=H, R
2
=3,4,5-trihydroxycinnamoyl; 8. R=R
1
=R
3
=H, R
2
=—CH
2
CH
2
N(CH
3
)
2
; 9. R=R
1
=R
3
=H, R
2
=—COCH
2
NH
2
.HCl. These compounds exhibited high antioxidant properties and are useful in food industry and in cosmetics. The compounds may be used in pharmaceutical composition as an antioxidant or free radical scavenger.
1
这项发明涉及以下给定公式的新型白藜芦醇类似物;其中R、R1、R2和R3分别为:1. R=OH, R1=R2=R3=H;2. R=OH, R1=Br, R2=R3=H;3. R=R1=OH, R2=R3=H;4. R=R1=R3=H, R2=3,4,5-三羟基苯甲酰;5. R=R1=H, R2=R3=3,4,5-三羟基苯甲酰;6. R=R1=R3=H, R2=3,4-二羟基肉桂酰;7. R=R1=R3=H, R2=3,4,5-三羟基肉桂酰;8. R=R1=R3=H, R2=—CH2CH2N(CH3)2;9. R=R1=R3=H, R2=—COCH2NH2.HCl。这些化合物表现出高抗氧化性能,可在食品工业和化妆品中使用。这些化合物可作为抗氧化剂或自由基清除剂用于制药组合物中。