Abstract
A highly efficient, metal-free, chemical oxidation of hydrazines has been implemented
using environmentally friendly TCCA as oxidant. This benign protocol provides straightforward
access to a wide range of azo compounds in THF in excellent yield. Altogether, 35
azo compounds were obtained in this way and scale-up preparations were performed.
Additionally, a plausible mechanism was also proposed. Step-economical process, mild
reaction conditions, operational simplicity, high reaction efficiency, and easy scale-up
highlight the practicality of this methodology.
Key words trichloroisocyanuric acid - dehydrogenation - hydrazines - azo compound - chemical
oxidation