Abstract
Hypervalent organoiodine(III/V) reagents (λ3-/λ5-iodane) have enjoyed widespread application as oxidant/electrophile in synthetic organic chemistry. In contrast, the development of the chemistry of hypervalent organo-λ3-bromane and λ3-chlorane is still just beginning. We have developed a versatile, high-yield synthesis of λ3-chloranes and λ3-bromanes through the reaction of various haloarenes/chloroalkenes with readily prepared arenediazonium tetrakis(pentafluorophenyl)borate under mild conditions. The improved accessibility enabled us to investigate the unique physico-chemical characters and unprecedented reactivity of these hypervalent organo-λ3-haloganes (e.g. onium structure, enhanced electrophilicity, etc.). The leaving group ability of λ3-haloganyl groups was also evaluated as it governs the rate of a variety of chemical transformations.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
