Chiral recognition of phenylalanine(Phe) was achieved in the gas phase by electrospray ionization Q-TOF tandem mass spec......

介绍了α-环已基扁桃酸的制备及拆分的各种方法,讨论了各方法的优缺点.采用由环已烯加成法制备α-环已基扁桃酸收率及纯度较高,且......

In1983,panaxytriolIwasfirstisolated'’asadiacetylenicconstituentfromPanalginseng.Sincethen,thebiologicalactivityof1h......

In1983,panaxytriolIwasfirstisolated'’asadiacetylenicconstituentfromPanalginseng.Sincethen,thebiologicalactivityof1h......

采用反式２－异硫氰式－４－基基－５，５－二甲基－２－硫代－１，３，２－二氧磷杂环己烷与不同胺的加成反应合成了１３个的反式环状硫代磷酰基硫脲衍生物，生物活性初步测试表明......

考察了一些硫代磷酰二氯(1)与(+)-1R,3S-1,2,2-三甲基-1,3-环戊二胺2的缩合反应。手性试剂2对该反应有良好的不对称诱导作用,产物......

Equol is a metabolite of soybean isoflavone, daidzein, and many health benefits are expected. Endogenous equol in urine ......

酮咯酸与L－脯氨酸苄酯在缩合剂作用下形成及酰胺，用柱层析分离了一对非对映异构体并进行了表征。用单晶X衍射测定了酮咯酸脯氨酸苄酯......

研究了高胺菊酯和苯醚 氰菊酯的非对映异反相高效液相色谱的分析方法，选用紫外检测器，通用的ＯＤＳ－Ｃ１８色谱柱，甲醇＋水为流动相，在选定的梯度洗脱......