METHYL 5-NITRO-1H-INDAZOLE-3-CARBOXYLATE synthesis
- Product Name:METHYL 5-NITRO-1H-INDAZOLE-3-CARBOXYLATE
- CAS Number:78155-75-6
- Molecular formula:C9H7N3O4
- Molecular Weight:221.17
67-56-1
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$9.00/25ml
78155-76-7
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$50.00/250mg
78155-75-6
69 suppliers
$43.00/250mg
Yield:78155-75-6 64%
Reaction Conditions:
with sulfuric acid at 10; for 6 h;Reflux;
Steps:
Methyl 5-nitro-1H-indazole-3-carboxylate (7)
Conc. H2SO4 (19.323 mmol) was added drop wise to areaction mixture of 8 g 6 (38.64 mmol) in 80 cm3methanol over a period of half an hour below 10 C. Thereaction mixture was refluxed for 6 h. The reaction masswas cooled to room temperature and poured into crushedice, filtered, and recrystallized from ethanol to afford 7.Yellow color solid; yield 64 % (5.45 g); m.p.: 234-236 C.
References:
Sreenivasulu, Reddymasu;Sujitha, Pombala;Jadav, Surender Singh;Ahsan, Mohamed Jawed;Kumar, C. Ganesh;Raju, Rudraraju Ramesh [Monatshefte fur Chemie,2017,vol. 148,# 2,p. 305 - 314]
67-56-1
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$9.00/25ml
201230-82-2
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70315-69-4
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78155-75-6
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$43.00/250mg
5401-94-5
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78155-75-6
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$43.00/250mg
43120-28-1
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1167056-71-4
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78155-75-6
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$43.00/250mg
4498-67-3
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78155-75-6
69 suppliers
$43.00/250mg