3-Nitro-2-pyridinol CAS # 6332-56-5

Taw qhia

2-Hydroxy-3-nitropyridine yog cov organic compound nrog cov mis molecular C5H4N2O3 thiab cov qauv qauv HO-NO2-C5H3N.

Xwm:

2-Hydroxy-3-nitropyridine yog ib lub pob zeb daj uas tuaj yeem yaj hauv qee cov kuab tshuaj organic xws li ethanol thiab dimethylformamide. Nws muaj qis melting thiab boiling point.

Siv:

2-Hydroxy-3-nitropyridine feem ntau yog siv rau hauv cov organic synthesis tshuaj, xws li reagents los yog raw cov ntaub ntawv. Nws tuaj yeem koom nrog ntau yam tshuaj tiv thaiv, xws li txo cov tshuaj tiv thaiv thiab cov tshuaj tiv thaiv esterification.

Txoj Kev Npaj:

Kev npaj ntawm 2-Hydroxy-3-nitropyridine feem ntau tuaj yeem tau txais los ntawm cov tshuaj tiv thaiv nitration. Ua ntej, pyridine yog reacted nrog concentrated nitric acid los ua 2-nitropyridine. 2-Nittropyridine ces reacted nrog concentrated puag tsim 2-Hydroxy-3-nitropyridine.

Cov ntaub ntawv kev nyab xeeb:

2-Hydroxy-3-nitropyridine yog ib yam tshuaj thiab yuav tsum tau siv yam xyuam xim. Tej zaum nws yuav ua rau lub qhov muag, tawv nqaij thiab ua pa. Kev sib cuag thiab nqus tau ntawm qhov sib xyaw yuav tsum zam thaum ua haujlwm. Siv cov cuab yeej tiv thaiv tus kheej xws li cov hnab looj tes tiv thaiv tshuaj thiab tsom iav thaum siv lawv. Tsis tas li ntawd, kev ua haujlwm yuav tsum tau ua nyob rau hauv qhov chaw muaj cua zoo kom muaj kev nyab xeeb.