Abstract
Substituted 5H-benzo[c]furo[3,2-g]chromen-5-ones, modified analogs of psoralen that contain a benzene ring annelated at the 5,6-position of a furo[3,2-g]chromen-7-one system, were synthesized from 3-hydroxy- 6H-benzo[c]chromen-6-ones.
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Garazd, Y.L., Ogorodniichuk, A.S., Garazd, M.M. et al. Modified Coumarins. 6. Synthesis of Substituted 5,6-Benzopsoralens. Chemistry of Natural Compounds 38, 424–433 (2002). https://doi.org/10.1023/A:1022103524800
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DOI: https://doi.org/10.1023/A:1022103524800