Journal article Open Access

A Study on the Preparation and Reactions of p-N-Benzyl-N-Methyl Amino Benzaldehyde

I. M. HORA; (Km.) VEENA GUPTA; P. I. ITTYERAH

Department of Chemistry, St. John's College, Agra

(Received 7 April 1971; revised MSS received 29 April 1972)

p-N-Benzyl-N-methyl amino benzaldehyde was prepared by formylating p-N-benzyl-N­methyl aniline using DMF and POCl3 and its identity established by the preparation of 2 :4 DNP, Semicarbazone, Oxime, Azine etc. The aldehyde has been condensed with cyanoacetamide, ethyl cyano acetate, malonic acid, rhodanine, thiohydantoin, a-picoline methiodide, \(\alpha\)-picoline ethiodide, 1 : 6-dioxojulolidine, 8-methyl-1 : 6-dioxojulolidine and the products isolated and identified. The aldehyde has also been condensed with sub­stituted glycines, and the corresponding 5-(4)-oxazolones obtained. Acid hydrazones were also prepared by condensing the aldehyde with different acid hydrazides.

Preliminary experiments show that the aldehyde can be used as a reagent for the chromatographic detection of acyl glycine and the rhodanine derivative as a reagent for detection of certain metals.

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