Pyranoneoflavonoids: synthesis and structure
DOI:
https://doi.org/10.15407/dopovidi2014.12.122Keywords:
pyranoneoflavonoids, structure, synthesisAbstract
A convenient method for the synthesis of pyranoneoflavonoids by introducing a pyrane ring to the coumarin system has been proposed. A series of pyranoneoflavonoids and spiropyranoneoflavonoids of linear structure that are analogous to the naturally occurring graveolone has been obtained using ketones – acetone, ethylmethylketone, cyclopentanone, cyclohexanone, 2-methylcyclohexanone, 3-methylcyclohexanone, and 4-t-buthylcyclohexanone – in the Kabbe condensation. The structure of the obtained compounds has been studied.
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