常見例句In this thesis, the synthesis and its structure modification of bioactive stilbenes have been studied. 本論文研究了具有生物活性的芪類化合物的合成與結(jié)構(gòu)修飾。The stilbenes have extensive biological activities,such as antiinflammation,antioxidation,antitumor activity and modulating the lipid metabolism etc. 二苯乙烯化合物具有廣泛的生物活性,如抗炎、抗氧化、抗腫瘤、調(diào)節(jié)脂代謝等。The general synthesis method of stilbenes was studied through the synthesis of four stilbenes with the framework of aryl substituted acrylonitrile. 對(duì)合成結(jié)構(gòu)較簡(jiǎn)單的4種以芳基取代丙烯腈為骨架的芪類化合物的常用合成方法進(jìn)行了研究。On the other hand, pharmacological experiments show that stilbenes and isoflavones, which have estrogenic effect, play the main role in that kind of activity. 藥理實(shí)驗(yàn)證實(shí),金雀根中的二苯乙烯類和異黃酮類化合物是主要的活性成分,并具有雌激素樣作用。The efficiency of the non resonant two photon (NRTP) isomerizations of stilbenes and 1,4 diphenyl 1,3 butadienes was found to depend strongly on the wavelength of the laser pulses. 實(shí)驗(yàn)發(fā)現(xiàn),芪,1,4-二苯基1,3-丁二烯等多聚烯化合物的非共振雙光子(NRTP)異構(gòu)化強(qiáng)烈地依賴于光波長(zhǎng)。Keywords Smilax china;Stilbenes;Antioxidant activity;DPPH free radicals; 金剛藤;茋類化合物;抗氧化活性;DPPH自由基; 返回 stilbenes