Satisfactory elemental analyses were found.~ oth/azoi-2-yntdoacetk Add (ZZa). A mixture of 1.7 g (0.01 mol) of 2-mercaptobenzothiazole and 0.8 g (0.01 mol) of chloroacetic acid in 50 mL of ethanolic potassium hydroxide (1 g of KOH in 50 mL of ethanol 70%) was refluxed for 3 h. The ethanol was evaporated, and the precipitate formed was dissolved in water and acidifled with hydrochloric acid. The precipitate formed was collected and crystallized from ...