Synthesis and Investigation of the Conformational Mobility of Certain (N-Benzyl-N-Nitrosoamino) azoles

…, AV Mikhailus, AF Pozharskii, DS Trishkin

Index: Dyablo; Mikhailus; Pozharskii; Trishkin Chemistry of Heterocyclic Compounds, 2005 , vol. 41, # 3 p. 329 - 339

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Abstract

Abstract The N-benzyl-N-nitroso derivatives of 1-and 4-amino-1, 2, 4-triazoles, and 2-amino- 5-phenyltetrazoles, 1-aminobenzotriazole, 7-amino-8-methyltheophylline, and 1-amino-3- methylbenzimidazol-2-one have been synthesized. The ratio of E-and Z-forms for them, arising as a result of hindered rotation about the NN (O) bond, has been determined by 1 H NMR spectroscopy. The energy of activation for the E↔ Z transition was estimated in ...