437.

Wolffenstein-Böters Reaction

O. Böters, R. Wolffenstein, DE 194883 (1906); FR 380121 (1907); GB 17521 (1907); US 923761 (1909).

Simultaneous oxidation and nitration of aromatic compounds to nitrophenols with nitric acid or the higher oxides of nitrogen in the presence of a mercury salt as catalyst:

R. Wolffenstein, O. Böters, Ber. 46, 586 (1913); F. H. Westheimer et al., J. Am. Chem. Soc. 69, 773 (1947); M. Carmack, et al., ibid. 785; E. E. Aristoff et al., Ind. Eng. Chem. 40, 1281 (1948); W. Seidenfaden, W. Pawellek, Houben-Weyl 10/1, 815 (1971).