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.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2012–2015, November, 2006.
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Manaev, A.V., Chibisova, T.A., Lyssenko, K.A. et al. Synthesis and structures of boron complexes of acyl hydroxy coumarins. Russ Chem Bull 55, 2091–2094 (2006). https://doi.org/10.1007/s11172-006-0553-z
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DOI: https://doi.org/10.1007/s11172-006-0553-z