3 5-Dibromo-2-methylpyridine（CAS# 38749-87-0)

Folasaga

3,5-Dibromo-2-methylpyriridine o se vailaʻau faʻapipiʻi faʻatasi ma se vailaʻau vailaʻau o le C6H5Br2N. O le fausaga o le 2 ma le 6 tulaga i luga o le pyridine mama ua suia e methyl ma bromine atoms, faasologa.

natura:

3,5-Dibromo-2-methylpyriridine o se tioata lanu samasama e leai se lanu ma se manogi manogi. E malo i le vevela o le potu ma e feololo le soluble. O lo'o i ai le mea fa'afefeteina o le 56-58°C ma le vevela ole 230-232°C.

Fa'aaogā:

3,5-Dibromo-2-methylpyriridine e faʻaaogaina lautele i le faʻaogaina o meaola. E mafai ona faʻaaogaina e avea o se reagent i le tuʻufaʻatasia o mea faʻapitoa eseese, e pei o vailaʻau, vailaau faʻasaina ma vali. E le gata i lea, e mafai foi ona faʻaaogaina e fai ma mea faʻamatalaga i suʻesuʻega kemisi.

Sauniuniga auala:

O le sauniuniga o le 3,5-Dibromo-2-methylpyriridine e masani lava ona faia e le alkylation reaction ma le bromination reaction o pyridine. Muamua, o le 2-tulaga i le pyridine o loʻo methylated ma se methylating agent i lalo o tulaga faʻavae e fausia ai le 2-picoline. Ona, 2-methylpyridine e tali atu i le bromine e maua ai le oloa mulimuli 3,5-Dibromo-2-methylpyridine.

Fa'amatalaga Saogalemu:

3,5-Dibromo-2-methylpyridine e faʻafefe ma faʻafefe ma faʻafesoʻotaʻi tuusaʻo ma paʻu, mata ma mucous membranes e tatau ona aloese mai ai. I le taimi o le faʻaaogaina, e tatau ona faia ni puipuiga a le tagata lava ia, e pei o le ofuina o matatioata puipui ma totigilima, ma faʻamautinoa o loʻo faia le taotoga i se nofoaga e faʻafefe lelei. E le gata i lea, o se mea foʻi e mu ma e tatau ona taofia mai le afi matala ma siosiomaga vevela maualuga. Afai e fa'amama pe 'ai i se mea sese, e tatau ona e su'e togafitiga faafoma'i ile taimi.