2-3-Dimethyl pyrazine (CAS#5910-89-4)

Gabatarwa

2, 3-Dimethylpyrazine wani fili ne na kwayoyin halitta. Mai zuwa shine gabatarwa ga wasu kaddarorin sa, amfaninsa, hanyoyin masana'anta da bayanan aminci:

inganci:

2, 3-Dimethylpyrazine ba shi da launi zuwa rawaya mai ƙarfi. Yana da kamshin acetone ko ethers kuma ana iya narkar da shi a cikin alcohols da abubuwan kaushi na ether.

Amfani:

2, 3-Dimethylpyrazine an fi amfani dashi azaman kayan farawa don haɓakar kwayoyin halitta. Ana iya amfani da shi azaman mai kara kuzari don esterification, carboxylation da enolation a ƙarƙashin yanayin alkaline.

Hanya:

2, 3-dimethylpyrazine za a iya shirya ta hanyar SN2 maye gurbin ethyl iododide ko ethyl bromide tare da 2-aminopyrazine. Yawancin lokaci ana aiwatar da yanayin amsawa a gaban matsakaicin alkaline, kamar sodium ethoxide. Bayan amsawa, samfurin da aka yi niyya yana samuwa ta hanyar crystallization ko hakar.

Bayanin Tsaro:

2, 3-Dimethylpyrazine yana da ƙarancin guba a ƙarƙashin yanayin amfani na yau da kullun. A matsayin sinadari, tuntuɓar fata, idanu, da fili na numfashi na iya haifar da haushi. Ka'idojin aminci na yau da kullun na dakin gwaje-gwaje kamar saka safofin hannu na dakin gwaje-gwaje, tabarau, da kayan kariya na numfashi ya kamata a bi yayin amfani. Idan aka yi hulɗa da haɗari ko shakar numfashi, wanke ko cire wurin da abin ya shafa da sauri kuma nemi shawarar likita.