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ChemicalBook CAS DataBase List 3-AMINO-7-METHYL-1,2,4-BENZOTRIAZINE-1-OXIDE

3-AMINO-7-METHYL-1,2,4-BENZOTRIAZINE-1-OXIDE synthesis

3synthesis methods
-

Yield:27281-74-9 74%

Steps:

12 Example 12

Example 12 7-Methyl-1,2,4-benzotriazin-3-amine 1-oxide (3j). Method A using 4-methyl-2-nitroaniline (1j) gave 3j (74%) as a yellow powder, mp (DMF) 270° C. (dec.) [lit. (Pazdera & Potacek, Chem. Papers 1988, 42, 527) mp (Methylcellosolve) 282° C.]; 1H NMR [(CD3)2SO] δ 7.94 (s, 1H, H-8); 7.64 (dd, J=8.7, 1.9 Hz, 1H, H-6), 7.46 (d, J=8.6 Hz, 1H, H-5), 7.21 (s, 2H, NH2), 2.42 (s, 3H, CH3); Anal. calc. for C8H8N4O: C, 54.5; H, 4.6; N, 31.8; found C, 54.8; H, 4.5; N, 31.9%.

References:

US2004/192686,2004,A1

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