Plumbagic acid[β-(2,3-dihydroxybenzoyl)butyric acid](1),hasbeen synthesized from commcrcially available catechol by two facile routeswith overall yields of 18.
Organic acids in 3 kinds of soy sauces wereanalyzed by HRLC.Column:C18 (?)Bondapak(10μm,3.9mmi.d.* 30cm;mobile phase:0.5%(NH<sub>4</sub>)<sub>2</sub>HPO<sub>4</sub
The electrochemical behavior of nitrofurazone in dimethylformamide has beenstudied by cyclic voltammetry and in-situ thin-layer spectroelectrochemistry.The redo
Complexes(Bu<sup>t</sup>Cp)<sub>1</sub>LmC1 react with LiCH<sub>3</sub> in molar ratio of 1:1 to give theneutral methyl complexes[Bu<sup>t</sup>Cp)<sub>2</sub>LnC
ESR and IR measurements have been carried out for a copper(Ⅱ)complex ofphenolic polymeric crown ether,As a result,the triplet ESR spectrum(S=1)of 3d_z2ground s
The products of basic hydrolysis of ethyl oxal-acetate and the preparation of 3-ethoxy carbonyl pyruvic acid 1 are reported.Esterification reaction of 1 with un