3-Nitro-4-aminoanisole, diazotization

N 21-54% orn-colored ndls + % H2O (from dil ale), mp - explodes violently at 169-72° readily sol in glacial acet ac, chlf 8c ethyl acet sol in warm alkalies, giving a blue-red soln si sol in acet 8c benz was prepd by diazotizing either 5-nitro-3-amino be nzopyro-catechol-l-methyl ether or 2-bromo-5-nitro-3-aminoanisole (Refs 1, 2 Sc 3)... 

Nitro-4-diazore orcinol-3-methyl ether [called 6-Nitro-4 diazo-resorcin-3 methylather or 5-Nitro-2-methoxy-p-chinon-diazid-(l) in Ger], C7H5N3O4 mw 195.13, N 21.54% yel ndls or flakes, mp - explodes at 178 was prepd by diazotizing 4,5-dinitro-2-aminoanisole... 

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