study on the preparation method and application of 5,5-dimercapto-2,2-dinitrobenzoic acid_kain industrial additive
background and overview[1] it is also called dtnb (5,5′-dithiobis-(2-nitrobenzoic acid)), which is the abbreviation of 5,5-dithiobis-2,2-dinitrobenzoic acid. dtnb is widely used in analytical reagents in the field of biochemistry, preparation[1] a total synthesis method of 5,5-dimercapto-2,2-dinitrobenzoic acid, including: nitrification step: add 24.3 ml (0.2 mol) of m-bromotoluene to a 250 ml three-necked flask equipped with…
