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bioactive compounds
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  bioactive compounds
We conducted the present study in order to look for bioactive compounds in the medicinal plant Rabdosia excisa.
      
The inhibitory effect of several bioactive compounds on the activity of hyaluronidase enzyme purified from Naja naja venom was investigated in vitro.
      
In addition, plant-derived bioactive compounds also inhibited the activity of hyaluronidase dose dependently.
      
Enzymatic synthesis of bioactive compounds by Rhus laccase from Chinese Rhus vernicifera
      
Molecular biochromatography with human serum albumin (HSA) immobilized on silica as stationary phase was used to screen and analyse the bioactive compounds in the typical Chinese medicine ofAngelica sinensis (Oliv.) Diels.
      
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Since 1980,many new compounds,especially bioactive compounds,in

八十年代以来,海洋天然有机化学仍然继续发展,大量新的化合物,尤其是具有生理活性的化合物不断出现,海洋天然物的生物合成和人工合成研究也有新的进展。在海洋生物中,研究得最多的是海藻和海绵,其次便是珊瑚。

It is well - known that most sulfanilamides are used for the treatment infective or other diseases,whereas function of tetracarbon ring of squaric acid which has special structure and property has been proved by a large number of related studies. We have successfully introduced structural unit of some sulfanilamide into the tetracarbon ring. 14 new derivatives of sulfanilamide were obtained and their structures were determined. It is expected that combining structural unit of sulfanilamide with tetracarbon ring...

It is well - known that most sulfanilamides are used for the treatment infective or other diseases,whereas function of tetracarbon ring of squaric acid which has special structure and property has been proved by a large number of related studies. We have successfully introduced structural unit of some sulfanilamide into the tetracarbon ring. 14 new derivatives of sulfanilamide were obtained and their structures were determined. It is expected that combining structural unit of sulfanilamide with tetracarbon ring might lead to new bioactive compounds.

众所周知,大多数磺胺用于治疗各种疾病,结构奇特的方酸具有特定的功能。我们成功地将磺胺结构单元引入方酸四碳环,制得14个新的含方酰基的磺胺衍生物,确证了结构。预期这类化合物有新的生物活性。

This review describes the use of D - Quinic acid in the synthesis of various natural or un -natural bioactive compounds. Because of the presence of cis - r - hydroxyl - carboxyl subunit in quinic acid, a lactone ring can be formed easily. The thus formed rigid system provides good control elements for many regie - and stereoselective transformations. Besides, D - quinic acid is also readily available. These make this compound a useful and versatile chiron for both cyclic (hexanoids and pentanoids)...

This review describes the use of D - Quinic acid in the synthesis of various natural or un -natural bioactive compounds. Because of the presence of cis - r - hydroxyl - carboxyl subunit in quinic acid, a lactone ring can be formed easily. The thus formed rigid system provides good control elements for many regie - and stereoselective transformations. Besides, D - quinic acid is also readily available. These make this compound a useful and versatile chiron for both cyclic (hexanoids and pentanoids) and acyclic bioactive compounds.

综述了D-奎尼酸在各种环状和链状生物活性化合物合成中的应用。奎尼酸分子中特有的顺式γ-羟基羧酸的结构单元提供了区别分子中各种羟基,以及进行其它区域选择性和立体选择性控制的方便途经。奎尼酸的结构特征以及其价廉、易得的优点,使之成为一个有用的而且重要的手性合成子。

 
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