Baudisch Reaction

O. Baudisch et al., Naturwiss. 27, 768, 769 (1939); Science 92, 336 (1940); J. Am. Chem. Soc. 63, 622 (1941).

Synthesis of o-nitrosophenols from benzene or substituted benzenes, hydroxylamine and hydrogen peroxide in the presence of copper salts:

K. Maruyama et al., Tetrahedron Letters 1966, 5889; J. Org. Chem. 32, 2516 (1967); Bull. Chem. Soc. Japan 44, 3120 (1971); W. Seidenfaden, Houben-Weyl 10/1, 1025, 1027 (1971).