反应详情

4-methoxy-3-nitrobenzoic acid (10.0 g, 0.051 mol), and thionyl chloride (25 g, 0.212 mol), were refluxed together for 24 h. The reaction mixture was cooled to RT and concentrated to dryness. The off-white solid was carried onto the next step.

1. concentrationconcentrated to dryness