Perkins Reaction the Action of Salicylic Aldehyde On Sodium Succinate in Pres
Perkins Reaction the Action of Salicylic Aldehyde On Sodium Succinate in Pres
Gibson Dyson
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On the Action of Salicylic Aldehyde on Sodium Succinate. A MIXTURE of salicylic aldehyde, sodium succinate, * and acetic anhydride, in the proportions indicated by their respective molecular weights, was heated in a flask connected with an inverted condenser, on a water bath, for 24 hours. It is essential to the success of the experiment, that every trace of moisture be excluded from the apparatus, and that all the material used be perfectly dry. After the heating on the water bath had been pro...- ceeded with for the specified time, the contents of the flask, which had darkened considerably in colour, were treated with hot water, in order to remove the sodium succinate and acetic anhydride that still remained unacted upon ; the excess of salicylic aldehyde was next removed by distillation in a current of steam. The residue, after washing with ether to remove a tarry substance which is always formed in small quantity, consisted of a light yellow crystalline powder, insoluble in all ordinary solvents.
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