G. Serra et al., A CONTROLLED STEPWISE OXIDATION OF ETHYL 2-OXOTHIAZOLIDINE-4-CARBOXYLATE TO THE CORRESPONDING 2-HYDROXYTHIAZOLE, Heterocycles, 41(12), 1995, pp. 2701-2711
Methyl 2-hydroxythiazole-4-carboxylate was obtained via a controlled s
tepwise oxidative procedure from the corresponding 2-oxothiazolidine.
A series of intermediates have been isolated and characterized, suppor
ting the ionic and radical mechanisms already proposed in the literatu
re.