3-Methyl-2-nitrobenzoic acid → 3-Methyl-2-nitrobenzoyl chloride

Participants

Reaction Steps

In this example 2.14 moles of 3-methyl-2-nitrobenzoic acid were refluxed with 6.43 moles (468 ml) of thionyl chloride for three hours and then allowed to stand overnight. The mixture was then again refluxed until the mixture turned a dark brown color. Excess thionyl chloride was removed by evaporation affording 434.4 g of the title product.

Provenance & Evidence