Syntheses based on dimethylpyrazoles. 9.
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V. P. Perevalov; M. A. Andreeva; L. I. Baryshnenkova; V. Ya. Gurvich; B. I. Step
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Article
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1990
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Springer US
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English
β 360 KB
UDC 4,12,[4][5]6]pyrimido [l,2-b]benzo [d,e]isoquinoline-4,12-dione and its 8-nitro-and 8-amino-substituted derivatives were obtained starting from 4-amino-3-carbamoyl-l-methylpyrazole and naphthalic and 4-nitronaphthalic anhydrides. The spectral properties of the synthesized compounds were studied