Abstract
Substituted 2,3,4,5-tetrahydrocyclohepta[c]furo[3,2-g]chromen-6-ones, modified psoralen analogs containing a cycloheptane ring annellated to the 5,6-positions of a furo[3,2-g]chromen-7-one, were synthesized from 3-hydroxy-8,9,10,11-tetrahydrocyclohepta[c]chromen-6-ones.
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Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 534–540, November–December, 2006.
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Garazd, Y.L., Garazd, M.M., Ogorodniichuk, A.S. et al. Modified coumarins. 24. Synthesis of cycloheptane-annellated tetracyclic furocoumarins. Chem Nat Compd 42, 656–664 (2006). https://doi.org/10.1007/s10600-006-0246-8
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DOI: https://doi.org/10.1007/s10600-006-0246-8