5-Bromo-3-nitro-2-pyridinol (CAS# 15862-34-7)
Hadari da Tsaro
| Lambobin haɗari | R22 - Yana cutarwa idan an haɗiye shi R37 / 38 - Haushi ga tsarin numfashi da fata. R41 - Hadarin mummunan lalacewa ga idanu R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata. R20 - Yana cutar da numfashi |
| Bayanin Tsaro | S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita. S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska. S36 - Sanya tufafin kariya masu dacewa. |
| ID na UN | 2811 |
| WGK Jamus | 3 |
| HS Code | 29337900 |
| Bayanin Hazard | Mai cutarwa |
| Matsayin Hazard | HAUSHI |
Bayanan Bayani
| Amfani | 5-bromo-2-hydroxy-3-nitropyridine shine tsaka-tsakin kwayoyin halitta wanda za'a iya amfani dashi don shirya mahadi 3-amino-1- (2-oxo-2-----3-- (trifluoromethyl) - [1,1'-biphenyl ] -4-yl) ethyl)-5-(pyrrole alkyl-1-yl-sulfonyl) pyridin-2 (1H) -daya, wannan fili shine fili mai hanawa na DOCK1. |
| hanyar kira | Nitric acid (60-61%, 3.5mL) an ƙara zuwa bayani (10mL) na 5-bromopyridine -2 (1H) -daya (1.75g,10.1mmol) a cikin sulfuric acid a 0 ℃. Ana ba da izinin cakuda don zafi da zafi zuwa dakin da zafin jiki kuma ya motsa na tsawon sa'o'i 3. Ana zuba cakudawar dauki a cikin ruwan kankara kuma ana tattara sakamakon da aka samu ta hanyar tacewa. An wanke samfurin da aka samu da ruwa kuma an bushe shi a cikin injin, yana ba da 5-bromo-2-hydroxy-3-nitropyridine (960mg, 43% yawan amfanin ƙasa) a matsayin fari mai ƙarfi. 1H NMR(500MHz, CDCl3) δ:8.57(s,1H),8.26(s,1H). |
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