Bucherer Reaction.
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R. Lepetit, Bull. Soc. Ind. Mulhouse 1903, 326
N. L. Drake, Organic reactions 1, 105 (New York, 1947)
R. Schroter, Houben-Weyl-Miiller 11 [Il, 143 (1957)
A. Rieche and H. Seeboth, Ann. 638, 66 (1960)
L. F. Fieser and M. Fieser, Advanced Organic Chemistry, p 889 (New York, 1961)