A Vanadium‐Based Chemical Oscillator: Identification of Chemical Species Responsible for the Redox Reaction and Construction of a Simplified Model

Abstract

To identify the chemical species involved in a unique, vanadium-based chemical oscillator reaction, products derived from indole in the oscillation solution were isolated and characterized. NMR and mass spectra showed that 3,3-dichloro-2-oxoindole and isatin were formed during the oscillation [a]

Physiological roles of peroxido-vanadium complexes: Leitmotif as their signal transduction pathway

“…If the electron transfer takes place in the vanadium complex, the solution color changes dramatically. For both intra-and intermolecular electron transfer reactions, an oscillation reaction has been observed [3,4,5]. The electron transfer reaction is ubiquitous in our body, and if oxygen is present in the vicinity of the site of the electron transfer reaction, it is quite reasonable…”

Taming Chlorine Azide: Access to 1,2-Azidochlorides from Alkenes

“…Similarly, 7-azaindole ( 11 ) gave only 3-chloro-1 H -pyrollo­[2,3- b ]­pyridine ( 11a ). Indoles are well-known to undergo chlorination with hypochlorite, − although oxidation at the 2-position, as observed for 10 , is rare. − In some cases (substrates 2 , 5 , and 8 ), other oxidation products were isolated and characterized, reflecting the pathways shown in Scheme C. These results are provided in Supporting Information, since only small amounts of these byproducts were formed.…”