The rates of electron exchange between oxidized and reduced forms of sev-eral derivatives of ferrocene(1-3)have been measured in acetonitrile by the NMR linehoade
Acylation of 5-methyl-3-hydroxyisoxazole (1) with 3-substituted cyclopropanecarboxylic chlorides (3) in the presence of triethylamine (TEA) in acetonitrile yiel
The electrochemical potentiokinetic reactivation technique(EPR) and the potentiostatic pulse technique(PPT) have been used to detect sensitization of austenitic sta
6—O—Mcthylgossypol (3) was obtained with the methods of synthesis for the first time.For the purpose ofe一iminating some prob一ems assoeiatedwith the eliniea
The chemical investigation of the aerial parts of Artemisia argyi gave α and β - amyrin, friedelin and a new cycloartane derivative whose structure was establ
Five phospholipids in human placenta were determined by phosphorus 31 nuclearmagnetic resonance(<sup>31</sup>P NMR)spectroscopy and thin-layer chromatography(TLC