... Pyrolysis of neat benzyl oxalate under nitrogen in a flask and pyrolysis of the oxalate dissolved in benzene on a hot column through which nitrogen was flowing gave us unreproducible amounts of the same products obtained ... Journal of the American Chemical Society 1 90:ll ...
[Denton, Ross M.; An, Jie; Adeniran, Beatrice; Blake, Alexander J.; Lewis, William; Poulton, Andrew M. Journal of Organic Chemistry, 2011 , vol. 76, # 16 p. 6749 - 6767]