Abstract

1. The homolytic arylation of thiosemicarbazide and acetone thiosemicarbazone with phenyldiazonium borofluoride in the presence of CuCl2·2H2O and with p-nitrophenyldiazonium borofluoride in absence of the copper salt forms S-arylisothiosemicarbazide and its derivatives. 2. The radical mechanism of arylation by p-nitrophenyldiazonium borofluoride was demonstrated by ESR.

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