J. Tafel, H. Hahl, Ber. 40, 3312 (1907).
Rearrangement of the carbon skeleton of substituted acetoacetic esters to hydrocarbons with the same number of carbon atoms by electrolytic reduction at a lead cathode in alcoholic sulfuric acid:

J. Tafel, W. Jürgen, ibid. 42, 2548 (1909); J. Tafel, ibid. 45, 437 (1912); C. J. Brockman, Electro-organic Chemistry (New York, 1926) p 321; H. Stenzl, F. Fichter, Helv. Chim. Acta 17, 669 (1934); 19, 392 (1936); 20, 846 (1937); F. Asinger, H. H. Vogel, Houben-Weyl 5/1a, 280, 471 (1970).