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Synthesis of 4-alkyl functionally substituted 7-dialkylaminocoumarins

✍ Scribed by S. K. Gorozhankin; M. A. KirpichËnok; I. I. Grandberg

Publisher
Springer US
Year
1990
Tongue
English
Weight
414 KB
Volume
26
Category
Article
ISSN
0009-3122

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## Abstract ω‐Azolylacetophenones **1** and **2** react with dimethylformamide dimethylacetal to yield enaminones **7,8** that were converted into azolylazoles __via__ reaction with hydrazine and with hydroxylamine. Compounds **1,2** also coupled with aromatic diazonium salts to yield arylhydrazone