2-Fluoro-3-nitropyridine (CAS# 1480-87-1)
2-Fluoro-3-nitropyridine ke motsoako oa lintho tse phelang. Se latelang ke selelekela sa sebopeho sa eona, sepheo, mokhoa oa tlhahiso, le tlhaiso-leseling ea polokeho:
tlhaho:
-Ponahalo: 2-Fluoro-3-nitropyridine ke phofo e se nang mebala ho ea mosehla o mosehla oa kristale;
- E ka bola kapa ea phatloha ka mocheso o phahameng.
Morero:
-E ka sebelisoa e le thepa e tala ea maiketsetso bakeng sa chefo e bolaeang likokoanyana, dae, li-explosive intermediates, joalo-joalo;
-E ka boela ea sebelisoa ho karabelo ea organic synthesis, joalo ka karabelo ea substitution le karabelo ea fluorination.
Mokhoa oa tlhahiso:
-Ho na le mekhoa e mengata ea ho lokisetsa 2-fluoro-3-nitropyridine, 'me e' ngoe ea mekhoa e tloaelehileng e hlahisoa ka tlase:
1. Ho itšoara ka 2,3-dibromopyridine ka nitrite ea silevera ho fumana 2-nitro-3-bromopyridine;
2. Etsa 2-nitro-3-bromopyridine ka hydrogen fluoride tlas'a maemo a alkaline ho hlahisa 2-fluoro-3-nitropyridine.
Lintlha tsa ts'ireletso:
-2-Fluoro-3-nitropyridine ke motsoako oa manyolo o nang le chefo e itseng le ho chesa;
- Qoba ho kopana le letlalo, mahlo le pampiri ea ho hema;
-Haeba o ka nooa kapa o hema ka phoso, batla thuso ea bongaka hang-hang.