5-Bromo-2-methoxy-4-methylpyridine (CAS# 164513-39-7)
Umngcipheko kunye noKhuseleko
| Iimpawu ezinobungozi | Xi – Irritant |
| Iikhowudi zoMngcipheko | 36/37/38 – Ukucaphukisa amehlo, inkqubo yokuphefumula kunye nolusu. |
| Inkcazelo yoKhuseleko | S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango. S36 – Nxiba iimpahla ezifanelekileyo ezikhuselayo. |
| WGK eJamani | 3 |
| Ikhowudi ye-HS | 29339900 |
| IKlasi yeeNgozi | OKUTHUMEKAYO |
5-Bromo-2-methoxy-4-methylpyridine (CAS# 164513-39-7) isingeniso
I-2-Methoxy-4-methyl-5-bromopyridine yi-organic compound. Oku kulandelayo sintshayelelo kubume bayo, ukusetyenziswa, iindlela zokwenza kunye nolwazi lokhuseleko:
Umgangatho:
I-2-Methoxy-4-methyl-5-bromopyridine iqinile kunye neekristale ezimhlophe ukuya kwiikristali ezimthubi kunye nevumba elikhethekileyo.
Sebenzisa:
I-2-Methoxy-4-methyl-5-bromopyridine i-reagent esetyenziswa ngokuqhelekileyo kwi-organic synthesis. Iqhele ukusetyenziswa kwiimpendulo ze-catalytic kwi-organic synthesis efana ne-Suzuki-Miyaura reaction, i-Heck reaction, njl.
Indlela:
Indlela yokulungiselela i-2-methoxy-4-methyl-5-bromopyridine ngokuqhelekileyo ifezekiswa nge-halogenation kunye ne-substitution reaction ye-pyridine. Ngokukodwa, i-pyridine kunye ne-alcohol ingaphendulwa ukulungiselela i-2-methoxy-4-methylpyridine, kwaye emva koko i-brominated ukufumana imveliso ekujoliswe kuyo.
Ulwazi ngoKhuseleko:
I-2-Methoxy-4-methyl-5-bromopyridine kufuneka igcinwe kwisitya esitywiniweyo ukuphepha ukudibanisa nomoya kunye nomswakama. Ngexesha lokusetyenziswa, kufuneka kuthathelwe ingqalelo amanyathelo okukhusela, njengokugqoka iiglavu kunye neeglasi. Kuphephe ukuphefumla, ukungeniswa, okanye ukudibana nolusu. Ingqalelo kufuneka ihlawulwe ekusetyenzisweni kwezixhobo zokungenisa umoya ngexesha lokuphatha okanye ukusebenza, kwaye iinkqubo ezifanelekileyo zokusebenza zokhuseleko kufuneka ziqwalaselwe. Ukuba ukuphefumla, ukungeniswa, okanye ukudibana kwesikhumba kwenzeka, funa unyango ngokukhawuleza.
