1H-1,2,4-Triazole → 7-(1,3-benzodioxol-5-yl)-5-methyl-N-(3,4,5-trimethoxy-phenyl)imidazo[5,1-f][1,2,4]triazin-2-amine

HRID 2374910Notes

Reaction equation

HRID 2374910 reaction equation
[CH3:1][O:2][C:3]1[CH:4]=[C:5]([NH:13][C:14]2[N:15]=[N:16][C:17]([CH:20]([NH:22][C:23]([C:25]3[CH:33]=[CH:32][C:28]4[O:29][CH2:30][O:31][C:27]=4[CH:26]=3)=O)[CH3:21])=[CH:18][N:19]=2)[CH:6]=[C:7]([O:11][CH3:12])[C:8]=1[O:9][CH3:10].N1C=NC=N1.P(Cl)(Cl)(Cl)=O>N1C=CC=CC=1>[O:29]1[C:28]2[CH:32]=[CH:33][C:25]([C:23]3[N:16]4[C:17]([CH:18]=[N:19][C:14]([NH:13][C:5]5[CH:4]=[C:3]([O:2][CH3:1])[C:8]([O:9][CH3:10])=[C:7]([O:11][CH3:12])[CH:6]=5)=[N:15]4)=[C:20]([CH3:21])[N:22]=3)=[CH:26][C:27]=2[O:31][CH2:30]1

Participants

5

Reactant 3

HCID 92571H-1,2,4-TriazoleHCID 24813Phosphorus oxychlorideHCID 58712003N-(1-{3-[(3,4,5-trimethoxyphenyl)amino]-1,2,4-triazin-6-yl}ethyl)-1,3-benzodioxole-5-carboxamide2×

Product 1

HCID 114873667-(1,3-benzodioxol-5-yl)-5-methyl-N-(3,4,5-trimethoxy-phenyl)imidazo[5,1-f][1,2,4]triazin-2-amineYield 43%

Reagents, catalysts & solvents 1

HCID 1049PyridineSolvent

Procedure

In a similar manner as described for Example 9, N-(1-{3-[(3,4,5-trimethoxyphenyl)amino]-1,2,4-triazin-6-yl}ethyl)-1,3-benzodioxole-5-carboxamide (Intermediate 29) (61 mg, 0.134 mmol), and 1,2,4-triazole (55 mg, 0.80 mmol) in pyridine (2 mL) and phosphorous oxychloride (0.037 mL, 0.40 mmol) gave 7-(1,3-benzodioxol-5-yl)-5-methyl-N-(3,4,5-trimethoxy-phenyl)imidazo[5,1-f][1,2,4]triazin-2-amine (25 mg, 43%) as a yellow solid. 1H NMR (CD3OD): δ8.99 (s, 1H), 7.87 (s, 1H), 7.84 (d, J=1.65 Hz, 1H), 7.04 (s, 2H), 6.95 (d, J=7.87 Hz, 1H), 6.04 (s, 2H), 3.80 (s, 6H), 3.74 (s, 3H), 2.56 (s, 3H). MS m/z 435 (M+1).

Sources & evidence

ORD record
ord-8a77c41cc2144c1f907af4e81224ae27
Source dataset
uspto-grants-2008_12
Patent number
US07462614B2

Reaction notes

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