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Organic Syntheses: an Annual Publication of Satisfactory Methods for the Preparation of Organic Chemicals

Nature volume 131, page 604 (29 April 1933) | Download Citation



THE latest volume of this series contains details of the preparation of thirty useful substances. Among them are p-chlorobenzaldehyde, p-tolualdehyde, desyl chloride, succinic anhydride, mercury di-β-naphthyl, and diethyl zinc. The preparation of 2,4-dinitrobenzaldehyde (a reagent of value for characterising amines and substances with a reactive methylene group) is a particularly interesting process, depending upon the reaction between p-nitrosodimethylaniline and 2,4-dinitrotoluene, whereby the methyl group of the latter substance is eventually transformed into an aldehyde group, leaving p-aminodimethylaniline as a by-product.

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