1: 1-bromo-3-nitrobenzene With copper in N,N-dimethyl-formamide
T=140°C;
2: m-hydroxynitrobenzene in N,N-dimethyl-formamide
T=140°C; 48 h; Further stages.;
Irie
J. Fac. Sci. Hokkaido Univ., 1951 , vol. <III> 4, p. 70,88
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Tomita; Takase
Yakugaku Zasshi, 1955 , vol. 75, p. 1077,1079
Chem.Abstr., 1956 , p. 5618