A study of 1,2,3,4-tetrahydro-4-azafluorene-3,9-diones |
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| Authors: | Yu E Pelcher A K Aren Z A Bomika G Ya Vanag |
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| Institution: | (1) Institute of Organic Synthesis AS Latvian SSR, Riga |
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| Abstract: | Intramolecular cyclization of the diamides and N,N -dimethylamides of  -indan-1,3-dion-2-yl]benzylmalonic acids (I) has given 1-aryl-2-carbamoyl-1,2,3,4-tetrahydro-4-azafluorene-3, 9-diones and 1-aryl-4-methyl-2-methylcarbamoyl-1,2,3,4-tetrahydro-4-azafluorene-3,9-diones (II). The structure of compounds II was shown by chemical methods: bromination, xanthylation, and hydrolysis in alkaline and acid media, and also by a study of IR and UV spectra. |
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