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Encyclopedia Britannica - Main :: BUN-CAL |
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C6H4C CH NH NHNHz Cli.000H = 0211402 +C7H6N2. It has also been obtained by heating
benzene
C'H4 heating
\/NH ?N. These Isomers are called isindazoles, and may \/\CHI be prepared by the reduction of the nitroso-ortho-alkylaminoacetophenones with zinc dust and water or acetic acid. ' The indazoles are weak bases, which crystallize readily. Phenyl indazole, on reduction with sodium and absolute alcohol, gives a dihydro derivative (K. L. Paal, Ber., 1891, 24, p. 963). For other derivatives, see E.`Fischer and J. Tafel, Ann. 1885, 227, P. 314. End of Article: C6H4C CH NH If you wish, you can link directly to this article.
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