Tricyclic heteroaromatic systems. 1, 2, 4??triazolo [1, 5??a] quinoxaline

D Catarzi, L Cecchi, V Colotta…

Index: Journal of Heterocyclic Chemistry, , vol. 29, # 5 p. 1161 - 1163

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Citation Number: 9

Abstract

... Heterocyclic Chem., 29, 1161 (1992 ... Chemical shifts are reported in ò (ppm) and measured relatively to the central peak of the solvent (deuter- iochloroform = 1385 Hz ... diethyl ether, mp 174-175°, 66% yield; "H nmr (deuteriochloroform): 4.0 (br s, IH, NH), 4.79 (d,2H,CH2,J = 1.8 Hz ...