L. Bouveault, Bull. Soc. Chim. France, 31, 1306, 1322 (1904)
Smith, Nichols, J.Org. Chem. 6, 489 (1941)
J. Am. Chem. Soc. 75, 3697 (1953)
Evans, Chemistry & Industry (London) 1957, 1956.

 Classic Organic Reactions Home