2-Acetylpyrrole is a product of model browning systems, and has been isolated as a major flavour component of many foods[1]. 2-Acetylpyrrole has been used in the synthesis of 2-acetyl-1-pyrroline[2].
[1]. C J Wang, et al. Mutagenicity and cytotoxicity of nitropyrrole compounds derived from the reaction of 2-acetyl pyrrole with nitrite. Food Chem Toxicol. 1994 Sep;32(9):839-44. [2]. Ron G. Buttery, et al. Cooked rice aroma and 2-acetyl-1-pyrroline. J. Agric. FoodChem. 1983, 31, 4, 823-826