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Periodic acid and trichloroisocyanuric acid (TCCA) were found to be particularly effective

Mild and efficient procedures for deprotection of the amine nitrogen protecting p-methoxyphenyl (PMP) group are described. Periodic acid and trichloroisocyanuric acid (TCCA) were found to be particularly effective in realizing amine liberation using 1 and 0.5 equiv of the oxidant, respectively. Extension of the periodic acid-mediated conditions to simultaneous alcohol oxidation by combination with a catalytic amount of sodium dichromate led to smooth conversion of PMP-protected Mannich products into the corresponding β-amino acids in a one-pot procedure.
Most domestic water used in swimming pool disinfection products generally chlorine disinfectant, chlorine-based disinfectants are: sodium hypochlorite, chlorine dioxide, dichloroisocyanurate, trichloroisocyanuric acid (TCCA) and the like. It started mainly with sodium hypochlorite swimming pool disinfection, however, some drawbacks swimming sodium hypochlorite, and now more and more pool administrator to switch to trichloroisocyanuric acid (TCCA). 
Here we introduce the main comparative sodium hypochlorite, trichloroisocyanuric acid (TCCA) for swimming pool disinfection.