Discussion It has already been reported3 that 3, 3'-dithiodipropionic acid (XI), even upon extensive decomposition in aqueous alkali, yields no hydrogen sulfide whatsoever: the disappearance of each mole of XI is accompanied by the appearance of 2 moles of thiol. Kreuas has suggested the mechanism in Scheme I as a possible interpretation of the data. Scaled-up experiments, designed for the isolation of the postulated 2-mercapto-3- ...
![3-[(1-carboxy-2-methylpropan-2-yl)disulfanyl]-3-methylbutanoic acid Structure](https://image.chemsrc.com/caspic/048/995-93-7.png)