Abstract
Reactions of (E)-10-aryl-8-(2-arylethenyl)-7-oxaspiro[4.5]dec-8-en-6-ones with maleic anhydride result in the formation of 4,9-diaryl-3a,4,9,9a-tetrahydrospiro[furo[3,4-f]chromene-8,1′-cyclopentane]-1,3,7(9bH)-triones whose structure was established by XRD analysis.
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Original English Text © N.F. Kirillov, A.G. Gavrilov, P.A. Slepukhin, M.I. Vakhrin, 2013, published in Zhurnal Organicheskoi Khimii, 2013, Vol. 49, No. 5, pp. 734–735.
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Kirillov, N.F., Gavrilov, A.G., Slepukhin, P.A. et al. Synthesis and structure of 4,9-diaryl-3a,4,9,9a-tetrahydrospiro-[furo[3,4-f]chromene-8,1’-cyclopentane]-1,3,7(9bH)-triones. Russ J Org Chem 49, 717–718 (2013). https://doi.org/10.1134/S107042801305014X
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DOI: https://doi.org/10.1134/S107042801305014X