Abstract
It was established that mesoionic thiazoloquinazolinium oxides are formed in the action of acetic anhydride on (2-quinazolinylthio)acetic and -phenylacetic acids. The structures of the products were confirmed by their spectral characteristics and chemical transformtions.
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See [1] for Communication 17.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 817–822, June, 1989.
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Fedotov, K.V., Romanov, N.N. Mesoionic compounds with a bridged nitrogen atom. 18. Cyclization of (2-quinazolinylthio)acetic acids. Chem Heterocycl Compd 25, 678–683 (1989). https://doi.org/10.1007/BF00470029
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DOI: https://doi.org/10.1007/BF00470029