Unusual nicotinoylation of 4-phenyl-5,7-dihydroxycoumarin
In the present work, we report a convenient synthesis of 5- and 7-substituted-4-phenyl coumarins. In contrast to previous results obtained with 4-alkylcoumarins, nicotinoylation of 5,7-dihydroxy-4-phenylcoumarin with nicotinoyl benzotriazole or nicotinoyl azide selectively provides 5-O protected est...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Uralʹskij federalʹnyj universitet imeni pervogo Prezidenta Rossii B.N. Elʹcina
2022-01-01
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| Series: | Chimica Techno Acta |
| Subjects: | |
| Online Access: | https://chimicatechnoacta.ru/article/view/5478 |
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