Zincke Nitration

T. Zincke, J. Prakt. Chem. 61, 561 (1900).

Replacement of ortho- or para-bromine or iodine atoms (but not fluorine or chlorine atoms) in phenols by a nitro group on treatment with nitrous acid or a nitrite in acetic acid:

L. C. Raiford, W. Heyl, Am. Chem. J. 43, 393 (1910); 44, 209 (1911); H. H. Hodgson, J. Nixon, J. Chem. Soc. 1932, 273; L. C. Raiford, G. R. Miller, J. Am. Chem. Soc. 55, 2125 (1933); L. C. Raiford, A. L. LeRosen, ibid. 66, 1872 (1944); W. Seidenfaden, D. Pawellek, Houben-Weyl 10/1, 821 (1971).