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umkhiqizo

I-Methyl 2-cyanoisonicotinate (CAS# 94413-64-6)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C8H6N2O2
I-Molar Mass 162.15
Ukuminyana 1.25±0.1 g/cm3(Kubikezelwe)
I-Melting Point 107-109 ℃
I-Boling Point 296.6±25.0 °C(Kubikezelwe)
Ukuncibilika kwamanzi Incibilika kancane emanzini (6.2 g/L) (25°C).
Ukubukeka Okuqinile okunsundu ngokuphaphathekile
pKa -2.43±0.10(Kubikezelwe)
Isimo Sesitoreji Umkhathi ongenayo, izinga lokushisa legumbi
Sebenzisa I-2-cyano-4-pyridinecarboxylic acid methyl ester ingasetshenziswa njengama-organic synthesis intermediates kanye ne-pharmaceutical intermediates, ikakhulukazi esetshenziswa ku-laboratory organic synthesis kanye nenqubo yocwaningo lwemithi yamakhemikhali kanye nentuthuko.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Ubungozi Nokuphepha

I-Hazard Class 6.1

 

Indlela yokukhiqiza

inhlanganisela ehlosiwe yalungiswa nge-oxidation, i-amidation kanye nokuphelelwa amandla kwamanzi nge-methyl 2-methyl 4-pyridinecarboxylate (2) njengento yokuqala. ukwakheka kwayo kuqinisekiswe yi-1H NMR kanye ne-MS, futhi isamba sesivuno sasingu-53.0%. Imiphumela yesilinganiso sokuphakelayo, izinga lokushisa lekristalu, isikhathi sokusabela nezinye izici kumkhiqizo zacwaningwa ngokuhlolwa kwesici esisodwa, futhi izimo zenqubo zathuthukiswa: n(2):n (potassium permanganate) = 1.0:2.5, izinga lokushisa le-crystallization 0 ~5 ℃;n (methyl 2-carboxyl -4-pyridinecarboxylate):n (sulfoxide) = 1.0:1.4, ukusabela; ukusabela kokuphelelwa amanzi emzimbeni kukhetha uhlelo lwe-trifluoroacetic anhydride-triethylamine njenge-agent eqeda amanzi emzimbeni. Inqubo ilula ukuyisebenzisa, izimo zokusabela zithambile, kulula ukukhuphula ukukhiqizwa, futhi inenani elihle lesicelo esisebenzayo.

 

Sebenzisa

I-Tobisostat isetshenziselwa ukwelapha i-hyperuricemia engapheli ye-gout. Uma kuqhathaniswa nezidakamizwa zendabuko i-allopurinol (i-purine analog), ngeke ithinte i-purine ne-pyridine metabolism kanye nomsebenzi we-enzyme, futhi inciphisa i-uric acid Umphumela unamandla, akukho ukuphathwa okuphindaphindiwe komthamo omkhulu odingekayo, futhi ukuphepha kungcono. I-Methyl 2-cyano-4-pyridine carboxylate iyimpahla ebalulekile yokwenziwa kwe-Tobiso.


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