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The condensation of aldehydes with malonic acid in the presence of organic bases

Part IX. The condensation of β-hydroxynaphthaldehyde (2-hydroxy-1-naphthaldehyde)

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Summary

It is clear that the hydroxy group in 2-hydroxy-l-naphthaldehyde does not give the same difficulty as was given by it in salicylaldehyde, and can be condensed with malonie acid with or without any organic base, but the reaction is accelerated as usual by traces of organic bases, and the product then comes out in almost quantitative yields. It may be stated that the aldehyde obtained similarly from α-naphthol has so far resisted completely all attempts at condensation with malonic acid under the usual conditions, only dark resin being obtained so far.

The authors’ thanks are due to the Education Department of the Government of the United Provinces of Agra and Oudh for the grant of a research scholarship which has enabled one of them (T. A. V.) to take part in this work.

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Authors and Affiliations

  1. Department of Chemistry, St. John’s College, Agra

    Kantilal Chhaganlal Pandya & Toquir Ahmad Vahidy

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  1. Kantilal Chhaganlal Pandya
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  2. Toquir Ahmad Vahidy
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Pandya, K.C., Vahidy, T.A. The condensation of aldehydes with malonic acid in the presence of organic bases. Proc. Indian Acad. Sci. (Math. Sci.) 6, 181–184 (1937). https://doi.org/10.1007/BF03051502

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  • DOI: https://doi.org/10.1007/BF03051502

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