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Lithium perchlorate and lithium bromide catalysed solvent free one pot rapid synthesis of 3-carboxycoumarins under microwave irradiation

Journal of Chemical Research - Part S (2002) (1) 40-41
DOI: 10.3184/030823402103170402
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Abstract

Reaction of 2-hydroxy or 2-methoxy substituted benzaldehydes or acetophenones with Meldrum's acid in the presence of a catalytic amount of LiCIO4 or LiBr without solvent under microwave irradiation afforded 3-carboxycoumarins in excellent yields.

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Bandgar, B. P., Uppalla, L. S., & Sadavarte, V. S. (2002). Lithium perchlorate and lithium bromide catalysed solvent free one pot rapid synthesis of 3-carboxycoumarins under microwave irradiation. Journal of Chemical Research - Part S, (1), 40–41. https://doi.org/10.3184/030823402103170402

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