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mankhwala

1H-Pyrazole-3-carboxylicacid 5-methyl-(CAS# 696-22-0)

Chemical Property:

Molecular Formula Chithunzi cha C5H6N2O2
Misa ya Molar 126.11
Kuchulukana 1.404g/cm3
Melting Point 236-240 ℃
Boling Point 388.8 °C pa 760 mmHg
Pophulikira 188.9 °C
Kuthamanga kwa Vapor 9.69E-07mmHg pa 25°C
Mkhalidwe Wosungira 2-8 ° C
Refractive Index 1.595

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S37/39 - Valani magolovesi oyenera komanso chitetezo chamaso / kumaso

 

Mawu Oyamba

Ndi organic pawiri ndi mankhwala chilinganizo C5H5N2O2. Nthawi zambiri imakhala yopanda mtundu mpaka yotumbululuka yachikasu yolimba.

 

Pawiri ali magulu awiri zinchito, mmodzi ndi pyrazole mphete ndi ena ndi carboxylic acid zinchito gulu. Lili ndi kusungunuka kwapakatikati ndipo limasungunuka m'madzi ndi zosungunulira wamba. Gulu la methyl mu kapangidwe kake limapangitsa kukhala hydrophobic.

 

Monga heterocyclic pawiri, 5-methyl-ali ndi zosiyanasiyana zochita zamoyo. Amagwiritsidwa ntchito kwambiri pofufuza zamankhwala ndi kaphatikizidwe ka mankhwala, nthawi zambiri ngati zopangira kapena zapakatikati. Zomwe zimagwiritsidwa ntchito mwapadera zimaphatikizapo kaphatikizidwe ka ma analogi a vitamini B1, mankhwala ophera tizilombo, ma plavix inhibitors (mankhwala omwe amagwiritsidwa ntchito poletsa kukula kwa mbewu), ndi zina zotero.

 

Kukonzekera, 5-methyl-ikhoza kupezedwa pochita atomu ya nayitrogeni ya mphete ya pyrazole ndi methylating agent (mwachitsanzo methyl iodide). Njirayi imayendetsedwa ndi N-methylation reaction, njira yodziwika bwino yomwe imatengera nucleophile yogwirizana ndi N-methyl reagent.

 


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