Synthesis and thermochemical study of quinoxaline??N??oxides: enthalpies of dissociation of the N–O bond

…, JRB Gomes, P Gomes, MDMC Silva

Index: Viveiros, Miguel L. F.; Freitas, Vera L. S.; Vale, Nuno; Gomes, Jose R. B.; Gomes, Paula; Da Silva, Maria D. M. C. Ribeiro Journal of Physical Organic Chemistry, 2012 , vol. 25, # 5 p. 420 - 426

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Citation Number: 4

Abstract

Abstract The synthesis of three new quinoxaline mono-N-oxides derivatives, namely, 2-tert- butoxycarbonyl-3-methylquinoxaline-N-oxide, 2-phenylcarbamoyl-3-ethylquinoxaline-N- oxide, and 2-carbamoyl-3-methylquinoxaline-N-oxide, from their corresponding 1, 4-di-N- oxides is reported. Samples of these compounds were used for a thermochemical study, which allowed derivation of their gaseous standard molar enthalpies of formation, inline ...