## Abstract By coupling of diazonium salts with ethyl __N__β(4βoxoβ1,4βdihydroquinolinβ2βyl)carbamate **4**, the corresponding 3βarylazocompounds **5** were obtained. These ones were cyclized thermally or in alkaline medium to the corresponding 2βarylβ2,3,5,10βtetrahydroβ[1,2,4]triazino[5,6β__b__]q
β¦ LIBER β¦
Cyclization Reactions of Hydrazones. Part 28. Synthesis of Some [1,2,4]Triazino[5,6-b]quinoline Derivatives.
β Scribed by Jakub Styskala; Antonin Lycka; Jan Slouka
- Publisher
- John Wiley and Sons
- Year
- 2003
- Weight
- 126 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0931-7597
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## Abstract Ethoxycarbonylalkylidene derivatives 2 and 6 of the title hydrazones were obtained in the reaction with ethyl pyruvate or ethyl aroylformate and ethyl acetoacetate, respectively, in methanol. Both compounds were mixtures of geometric isomers with high predominance of one of them. Nmr sp