Convenient synthesis of fused pyrano[3,2-h]- and furo[3,2-h]benzo[f]coumarins from naphthalene-2,3-diol |
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| Authors: | Konstantinos E Litinas Theodoros S Symeonidis |
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| Institution: | Laboratory of Organic Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece |
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| Abstract: | The treatment of 8-propargyloxy-benzof]coumarin with boron trifluoride diethyl etherate in N,N-dimethylformamide under reflux or MW irradiation resulted in pyrano3,2-h]benzof]coumarin, while the furo3,2-h]benzof]coumarin is received from the treatment with N-methylformamide under MW irradiation. |
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| Keywords: | Pyranocoumarins Furocoumarins N-Methylformamide Boron trifluoride N N-Dimethylformamide |
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