α-Aryliden-6H(nitro)- and 6,8-dibromo-2,3-tetramethylen-3,4-dihydroquinazol-4-ones were synthesized by condensation of 6H(nitro)- and 6,8-dibromo-2,3-tetramethylen-3,4-dihydroquinazol-4-ones with aromatic aldehydes, furfurol, and of α-formyl-2,3-tetramethylen-3,4-dihydroquinazol-4-one with benzaldehyde and 4-nitrobenzaldehyde in glacial acetic acid.
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Acknowledgment
The work was supported financially by Basic Research of TsNT RU (Project No. FA-FZ-T047). We thank Candidate of Chemical Sciences V. I. Vinogradova for supplying the substituted vanillins.
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Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 342-347, May-June 2009.
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Abdurazakov, A.S., Elmuradov, B.Z., Turdibaev, Z.E. et al. Reaction of 2,3-tetramethylen-3,4-dihydroquinazol-4-one and its derivatives with aromatic aldehydes and furfurol. Chem Nat Compd 45, 402–408 (2009). https://doi.org/10.1007/s10600-009-9334-x
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DOI: https://doi.org/10.1007/s10600-009-9334-x