By ring-closure of 1-nicotinyl-4-arylthiosemicarbazides under the catalysis of concentrated sulfuric acid or mercuric acetate, a series of 2-(3-pyridyl)-5-aryla
Introduction The electrochemical reduction of O<sub>2</sub> was investigated widely during the past two decades. O<sub>2</sub><sup>-</sup> can react with variou
Introduction The study of metal complexes with the crown ether is a quite interesting research field, but the research has mainly focused on the metal complexes
Introduction Reductive desulfurization of thioamides to amines is one of the methods to prepare amines and is generally achieved by a) Zn in acid, b) sodium or
A long chain aliphatic sulfoxide can be used as an extractant.It can extract almost all metallic ions which can be extracted by tributylphosphate (TBP).The extr
A new expert system has been developed which can be used to aid chemists in structural interpretation of infrared spectra. The system consists of five essential
The investigation on UV-visible spectra of species formed by extracting some metal picrates with benzo-15-crown-5(B15C5) and dibenzo-18-crown-6(DB18C6) verified