Search results for " Aril"
showing 3 items of 3 documents
Ionic liquids/[bmim][N3] mixtures: promising media for the synthesis of aryl azides by SNAr
2008
The nucleophilic aromatic substitution of some activated aryl or heteroaryl halides has been performed in ionic liquid solution, using the 1-butyl-3-methylimidazolium azide as a nucleophile. The reaction course was studied varying the structures of both substrates and ionic liquids. In particular, in the latter case, the reaction of 2-bromo-5-nitrothiophene was carried out in five different ionic liquids ([bmim][BF 4], [bmim][PF 6], [bmim][NTf 2], [bm 2im][NTf 2], and [bmpyrr][NTf 2]). Finally, for all the substrates considered, a comparison with data obtained in MeOH solution in the presence of NaN 3 was also performed. Data collected indicate that in some cases it is possible to obtain ar…
Gudsbilde og fortapelse : en studie i Aril Edvardsens teologi
2006
Masteroppgave i Kristendomskunnskap 2006 - Høgskolen i Agder, Kristiansand
Alfa,beta-nepiesātināto arilsulfonamīdu sintēze
2020
α,β-Nepiesātināto arilsulfonamīdu sintēze. Pudnika L., zinātniskais vadītājs Dr. chem., vadošā pētniece Grandāne A. Maģistra darbs, 51 lapa, 22 attēli, 8 tabulas, 43 literatūras avoti. Latviešu valodā. Darba literatūras apskatā apkopota informācija par α,β-nepiesātināto sulfonamīdu atvasinājumu sintēzes metodēm. Darbā tika sintezēti α,β-nepiesātināto sulfonamīdu diarilatvasinājumi. Sintezēto vielu struktūra tika pierādīta ar KMR spektroskopiju.