5-formyl-2 4-dimethyl-1H-pyrrole-3-carboxylic acid (CAS # 253870-02-9)

Ọrọ Iṣaaju

2,4-Dimethyl-5-aldehyde-pyrrole-3-carboxylic acid jẹ ẹya-ara ti ara-ara.

Didara:

- Irisi: 2,4-dimethyl-5-aldehyde-pyrrole-3-carboxylic acid jẹ kirisita ti ko ni awọ.

- Solubility: 2,4-dimethyl-5-aldehyde-pyrrole-3-carboxylic acid jẹ insoluble ninu omi, ṣugbọn tiotuka ninu awọn ohun elo ti o ni imọran gẹgẹbi ethanol, ether, ati bẹbẹ lọ.

Lo:

- 2,4-Dimethyl-5-aldehyde-pyrrole-3-carboxylic acid le ṣee lo bi agbedemeji dai ati ohun elo aise fun iṣelọpọ Organic.

Ọna:

2,4-Dimethyl-5-aldehyde-pyrrole-3-carboxylic acid le ti wa ni pese sile nipa fesi aniline ati malonic acid dianhydride. Awọn igbesẹ ifaseyin pato jẹ bi atẹle:

Aniline ati malonic acid dianhydride ti wa ni idapo ati fesi ni iwọn otutu ti o yẹ lati ṣe apẹrẹ amil kan.

Lẹhinna, labẹ awọn ipo ti o yẹ, a ṣe atunṣe redox lati dinku agbo-ara sulfyl si 2,4-dimethyl-5-aldehyde-pyrrole-3-carboxylic acid.

Alaye Abo:

Alaye aabo kan pato ti 2,4-dimethyl-5-aldehyde-pyrrole-3-carboxylic acid: Jọwọ tọka si iwe data aabo ti agbo-ara yii. Nigbati o ba wa ni lilo, o yẹ ki o tẹle awọn ilana iṣẹ ṣiṣe ailewu ti yàrá, wọ awọn ohun elo aabo ti ara ẹni, rii daju pe agbegbe idanwo ti ni afẹfẹ daradara, ki o yago fun olubasọrọ pẹlu awọ ara ati oju. O tun yẹ ki o wa ni ipamọ ni ibi ti o tutu, ibi gbigbẹ, kuro lati ina ati awọn ohun elo flammable. Ni ọran jijo, awọn igbese ti o yẹ yẹ ki o gbe lati koju rẹ. Lati rii daju aabo, wa itọsọna ti ọjọgbọn kan.