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ChemicalBook CAS DataBase List [1,2,4]Triazolo[1,5-a]pyridine, 7-(2-methyl-4-nitrophenoxy)-
937263-44-0

[1,2,4]Triazolo[1,5-a]pyridine, 7-(2-methyl-4-nitrophenoxy)- synthesis

6synthesis methods
1033810-70-6 Synthesis
[1,2,4]Triazolo[1,5-a]pyridin-7-ol

1033810-70-6
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[1,2,4]Triazolo[1,5-a]pyridine, 7-(2-methyl-4-nitrophenoxy)-

937263-44-0
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Yield:937263-44-0 87%

Reaction Conditions:

with caesium carbonate in dimethyl sulfoxide at 80; for 3 h;

Steps:

1.1 Step 1. Synthesis of 7-(2-methyl-4-nitrophenoxy)-[ 1, 2, 4itriazolo[f 5-aJpyridine.

The mixture of l-fluoro-2-methyl-4-nitrobenzene (96 mg, 0.617 mmol), [l,2,4]triazolo[l,5-a]pyridin-7-ol (100 mg, 0.740 mmol) aid cesium carbonate (482 mg, 1.48 mmol) in dimethyl sulfoxide (2.5 ml) was stirred at 80 °C for 3 hr. The resulting mixture was poured into ice water and the precipitate was filtered and dried using blowing nitrogen gas to give 4-([l,2,4]triazolo[l,5-a]pyridin-7-yloxy)-3-methylaniline as a brown solid (145 mg, 87 %).

References:

WO2019/241715,2019,A1 Location in patent:Paragraph 00339

864244-98-4 Synthesis
4-(2-Methyl-4-Nitrophenoxy)Pyridin-2-Amine

864244-98-4
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[1,2,4]Triazolo[1,5-a]pyridine, 7-(2-methyl-4-nitrophenoxy)-

937263-44-0
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