5-Bromo-3-nitro-2-pyridinol (CAS# 15862-34-7)
Kotsi le Polokeho
Likhoutu tsa Kotsi | R22 – E kotsi ha e kwetswe R37/38 – E tenang tsamaiso ya ho hema le letlalo. R41 – Kotsi ya tshenyo e kgolo mahlong R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo. R20 – E kotsi ka ho hema |
Tlhaloso ea Tšireletseho | S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka. S36/37/39 - Apara liaparo tse loketseng tsa tšireletso, liatlana le tšireletso ea mahlo / sefahleho. S36 - Apara liaparo tse loketseng tsa tšireletso. |
Li-ID tsa UN | 2811 |
WGK Jeremane | 3 |
Khoutu ea HS | 29337900 |
Tsebiso ea Kotsi | E kotsi |
Sehlopha sa Likotsi | TS'OALANG |
Boitsebiso ba Litšupiso
Sebelisa | 5-bromo-2-hydroxy-3-nitropyridine ke organic intermediate e ka sebelisoang ho lokisa metsoako 3-amino-1-(2-oxo-2-(3 '-(trifluoromethyl)-[1,1'-biphenyl ]-4-yl) ethyl) -5-(pyrrole alkyl-1-yl-sulfonyl) pyridin-2 (1H)-one, motsoako ona ke motsoako o thibelang DOCK1. |
mokhoa oa ho kopanya | asiti ea nitric (60-61%,3.5mL) e ile ea eketsoa ka tharollo (10mL) ea 5-bromopyridine -2 (1H) -e le 'ngoe (1.75g,10.1mmol) ka sulfuric acid ka 0 ℃. Motsoako o lumelloa ho futhumala mocheso oa kamore ebe o hlohlelletsa lihora tse 3. Motsoako oa karabelo o tšeloa ka metsing a leqhoa 'me sephetho se hlahisoang se bokelloa ka ho sefa. Sehlahisoa se hlahisoang se ile sa hlatsuoa ka metsi 'me sa omisoa ka vacuum, ho fana ka 5-bromo-2-hydroxy-3-nitropyridine (960mg,43% chai) e le tiileng e tšoeu. 1H NMR(500MHz,CDCl3)δ:8.57(s,1H),8.26(s,1H). |
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