Synthesis and structures of boron complexes of acyl hydroxy coumarins |
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| Authors: | A V Manaev T A Chibisova K A Lyssenko M Yu Antipin V F Traven’ |
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| Institution: | (1) D. I. Mendeleev Russian University of Chemical Technology, 3 pl. Miusskaya, 125047 Moscow, Russian Federation;(2) A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 119991 Moscow, Russian Federation |
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| Abstract: | New boron chelates were synthesized by the reactions of 3-acetyl-4-hydroxycoumarin and 8-acyl-7-hydroxy-4-methylcoumarins
with boron trifluoride etherate and hydroxybenzodioxaborole. The structure of 3-acetyl-4-difluoroboryloxycoumarin containing
an intramolecular C=O...B coordination bond was established by X-ray diffraction.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2012–2015, November, 2006. |
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| Keywords: | coumarins boron complexes chelates X-ray diffraction analysis |
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