Benzaldehyde → 2-(Benzylideneamino)pentanoic acid ethyl ester

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Reaction Steps

A solution of 11.90 g of the product from stage 1 in 150 ml of diethyl ether was combined in succession with 8.3 ml of benzaldehyde, 23 ml of triethylamine and 7.0 g of anhydrous magnesium sulphate. The mixture was stirred for 24 hours at room temperature, then filtered and washed with diethyl ether. Once the solvent had been removed by distillation, 18.40 g of 2-(benzylideneamino)pentanoic acid ethyl ester (96% of th.) were obtained in the form of a yellowish, viscous mass.

Provenance & Evidence