2-BROMO-3-METHOXYPYRIDINE (CAS# 24100-18-3)
Matšoao a Kotsi | Xn - E Kotsi |
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 |
Tlhaloso ea Tšireletseho | S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka. S39 - Apara ts'ireletso ea mahlo / sefahleho. |
WGK Jeremane | 3 |
Khoutu ea HS | 29333990 |
Selelekela
2-bromo-3-methoxypyridine ke motsoako oa tlhaho o nang le foromo ea lik'hemik'hale C6H6BrNO. E latelang ke tlhaloso ea sebopeho sa eona, ts'ebeliso, tokiso le tlhaiso-leseling ea polokeho:
Tlhaho:
-Ponahalo: mokelikeli o se nang 'mala
-Solubility: E qhibiliha ka har'a ethanol e anhydrous le lihlapolli tsa Ether
Sebaka se belang: 167-169 ° C
- Boima ba 'mele: 1.568 g/mL
Sebelisa:
2-bromo-3-methoxypyridine e na le lits'ebetso tse itseng lefapheng la k'hemistri:
-E le ea mahareng: e ka sebelisoa ho kopanya metsoako e meng ea manyolo, joalo ka lithethefatsi, chefo e bolaeang likokoanyana le dae.
-Organic synthesis: E ka nka karolo liketsong tse fapaneng tse fapaneng, joalo ka karabelo ea li-electrophilic substitution, karabelo ea condensation, jj.
Mokhoa:
2-bromo-3-methoxypyridine synthesis mekhoa haholo-holo e latelang:
1. Ka karabelo ea 3-methoxypyridine le bromine: 3-methoxypyridine e itšoara ka bromine le ho futhumala tlas'a maemo a alkaline ho fumana sehlahisoa sa 2-bromo-3-methoxypyridine.
2. Ka karabelo ea pyridine le 2-Bromo methyl ether: pyridine le 2-Bromo methyl ether reaction, tlas'a maemo a loketseng bakeng sa ho futhumatsa kapa ho sebelisa catalyst ho hlahisa sehlahisoa se lakatsehang.
Lintlha tsa Tšireletseho:
Tšireletso ea 2-bromo-3-methoxypyridine e hloka tlhokomelo. Lintlha tse latelang ke tse ling tsa ts'ireletso:
- Qoba ho hema, ho kopana le letlalo, kapa ho kena mahlong. Apara lisebelisoa tse nepahetseng tsa ts'ireletso tse kang liatlana, likhalase le lithebe tsa sefahleho nakong ea ts'ebeliso.
-Ha e boloka, e lokela ho behoa sebakeng se nang le moea o motle, hole le mollo le li-oxidizing agents.
- Bala leqephe la lintlha tsa polokeho tse amehang ka hloko pele u li sebelisa 'me u le sebelise ho latela mekhoa e nepahetseng ea ts'ebetso.