H-Pyrazole-3-carboxylic acid 4-bromo-1 5-dimethyl-（CAS# 5775-91-7)

Folasaga

Acid, 4-bromo-1, 5-dimethanol-o se tuufaatasiga o lona fua fa'a-kemikolo o le C7H8BrNO2.

natura:

1. Fa'aaliga: acid, 4-bromo-1,5-dimethyl-white solid.

2. Liu liusuavai: O le liusuavai o le faʻafefiloi o loʻo i le va o le 128-130 ° C.

3. Solubility: E solu i nisi solvents organic, e pei o le ethanol ma le dichloromethane, ae le mafai ona solu i le vai.

Fa'aaogā:

Acid, 4-bromo-1,5-dimethyl-o loʻo i ai se aoga faʻapitoa i le faʻaogaina o meaola, ma e masani ona faʻaaogaina e fausia ai le auivi o meaola mole ma taʻitaʻia tali. E mafai ona faʻaaogaina e avea o se vaeluaga mo le tuʻufaʻatasia o vailaau faʻasaina, vailaʻau ma vali.

Sauniuniga auala:

acid, 4-bromo-1,5-dimethyl-e mafai ona faʻapipiʻiina i laasaga nei-:

1. Muamua, o le methyl methacrylate ma le aniline o loʻo faʻaalia i lalo o le catalysis o alkali e saunia ai le 1,5-dimethyl-1H-pyrazole.

2. 1,5-dimethyl -1H-pyrazole o loʻo faʻaalia i le hydrogen bromide i le i ai o le acetic acid e gaosia ai le 4-bromo-1, 5-dimethyl -1H-pyrazole.

3. Mulimuli ane, o le 4-bromo-1, 5-dimethyl-1H-pyrazole e tali atu i le sodium hydroxide poʻo le sodium carbonate e gaosia ai le acid, 4-bromo-1,5-dimethy-.

Fa'amatalaga Saogalemu:

E tusa ai ma le saogalemu o le acid, 4-bromo-1,5-dimethyl-, o mea nei e tatau ona matauina:

1. e ono fa'aita ai mata, pa'u ma le manava, fa'amolemole aloese mai le fa'afeso'ota'i sa'o.

2. A'o fa'aoga, aloese mai le manavaina o le pefu po'o le ausa o le vaifofo.

3. I le taimi o le taotoga ma le teuina, e tatau ona faia le ea lelei ma le puipuia o le tagata lava ia, e pei o le ofuina o mata tioata, totigilima ma lavalava puipuia talafeagai.

4. Afai e te fa'afeso'ota'i ma le mea lea, ia vave ona fufulu le vaega ua afaina i le tele o vai ma fa'afeso'ota'i le fautuaga a lau foma'i.

O nei fa'amatalaga e mo na'o fa'amatalaga. Fa'amolemole faitau ma mulimuli i le pepa fa'amatalaga saogalemu o le vaila'au talafeagai a'o le'i fa'aogaina.