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C6H4C CH NH

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Originally appearing in Volume V14, Page 371 of the 1911 Encyclopedia Britannica.
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C6H4C CH NH •NHNHz Cli.000H = 0211402 +C7H6N2. It has also been obtained by See also:

heating ortho-diazoaminotoluene with acetic See also:acid and See also:benzene (F. Heusler, Ber., 1891, 24, p. 4161). C'See also:H4<NHN NHC7H,=C7H7NI-i 1-c 2. It crystallizes in needles (from hot See also:water), which melt at 146.5° C. and See also:boil at 269°-270 C. It is readily soluble in hot water, See also:alcohol and dilute hydrochloric acid. Nitrous acid converts it into nitrosoindazole; whilst on heating with the alkyl iodides \/NH ?N. These Isomers are called isindazoles, and may \/\CHI be prepared by the reduction of the nitroso-ortho-alkylaminoacetophenones with See also:zinc dust and water or acetic acid. ' The See also:indazoles are weak bases, which crystallize readily. Phenyl indazole, on reduction with See also:sodium and See also:absolute alcohol, gives a dihydro derivative (K. L.

Paal, Ber., 1891, 24, p. 963). For other derivatives, see E.`See also:

Fischer and J. Tafel, See also:Ann. 1885, 227, P. 314.

End of Article: C6H4C CH NH

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